[ 2892.991874][ T10] unregister_netdevice: waiting for veth0 to become free. Usage count = 12 [ 2892.992487][ T10] ref_tracker: veth0@ffff888024a745e0 has 2/11 users at [ 2892.992487][ T10] dst_init+0x84/0x4a0 [ 2892.992487][ T10] dst_alloc+0x97/0x150 [ 2892.992487][ T10] ip6_dst_alloc+0x23/0x90 [ 2892.992487][ T10] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.992487][ T10] ip6_pol_route+0x56f/0x840 [ 2892.992487][ T10] fib6_rule_lookup+0x456/0x630 [ 2892.992487][ T10] ip6_route_input+0x59c/0xa50 [ 2892.992487][ T10] ipv6_rcv+0x397/0x810 [ 2892.992487][ T10] __netif_receive_skb_one_core+0x118/0x1b0 [ 2892.992487][ T10] process_backlog+0x101/0x620 [ 2892.992487][ T10] __napi_poll.constprop.0+0xa2/0x460 [ 2892.992487][ T10] net_rx_action+0x495/0xbe0 [ 2892.992487][ T10] __do_softirq+0x1b5/0x7f6 [ 2892.992487][ T10] [ 2892.994165][ T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at [ 2892.994165][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.994165][ T10] fib6_nh_init+0x3d8/0x1580 [ 2892.994165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.994165][ T10] ip6_route_add+0x1c/0x140 [ 2892.994165][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2892.994165][ T10] inet6_addr_add+0x4f8/0xa40 [ 2892.994165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.994165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.994165][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.994165][ T10] netlink_unicast+0x449/0x710 [ 2892.994165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.994165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.994165][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.994165][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.994165][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.994165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.994165][ T10] [ 2892.996218][ T10] ref_tracker: veth0@ffff888024a745e0 has 3/11 users at [ 2892.996218][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.996218][ T10] fib6_nh_init+0x3d8/0x1580 [ 2892.996218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.996218][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2892.996218][ T10] ipv6_add_addr+0x411/0x2000 [ 2892.996218][ T10] inet6_addr_add+0x30e/0xa40 [ 2892.996218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.996218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.996218][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.996218][ T10] netlink_unicast+0x449/0x710 [ 2892.996218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.996218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.996218][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.996218][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.996218][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.996218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.996218][ T10] [ 2892.998290][ T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at [ 2892.998290][ T10] netdev_get_by_index+0x5e/0x80 [ 2892.998290][ T10] fib6_nh_init+0x3d8/0x1580 [ 2892.998290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2892.998290][ T10] ip6_route_add+0x1c/0x140 [ 2892.998290][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.998290][ T10] addrconf_add_dev+0xe2/0x170 [ 2892.998290][ T10] inet6_addr_add+0x12f/0xa40 [ 2892.998290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.998290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.998290][ T10] netlink_rcv_skb+0x130/0x360 [ 2892.998290][ T10] netlink_unicast+0x449/0x710 [ 2892.998290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2892.998290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2892.998290][ T10] ___sys_sendmsg+0xee/0x170 [ 2892.998290][ T10] __sys_sendmsg+0xcd/0x170 [ 2892.998290][ T10] do_syscall_64+0xc6/0x1e0 [ 2892.998290][ T10] [ 2893.000342][ T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at [ 2893.000342][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2893.000342][ T10] ipv6_find_idev+0x102/0x170 [ 2893.000342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.000342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.000342][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.000342][ T10] netlink_unicast+0x449/0x710 [ 2893.000342][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.000342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.000342][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.000342][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.000342][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.000342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.000342][ T10] [ 2893.002062][ T10] ref_tracker: veth0@ffff888024a745e0 has 1/11 users at [ 2893.002062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2893.002062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2893.002062][ T10] ipv6_find_idev+0x102/0x170 [ 2893.002062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.002062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.002062][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.002062][ T10] netlink_unicast+0x449/0x710 [ 2893.002062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.002062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.002062][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.002062][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.002062][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.002062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.002062][ T10] [ 2893.003857][ T10] unregister_netdevice: waiting for eth1 to become free. Usage count = 7 [ 2893.004113][ T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at [ 2893.004113][ T10] netdev_get_by_index+0x5e/0x80 [ 2893.004113][ T10] fib6_nh_init+0x3d8/0x1580 [ 2893.004113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2893.004113][ T10] addrconf_f6i_alloc+0x265/0x560 [ 2893.004113][ T10] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2893.004113][ T10] addrconf_join_anycast+0x1c0/0x220 [ 2893.004113][ T10] dev_forward_change+0x2a6/0x7b0 [ 2893.004113][ T10] addrconf_fixup_forwarding+0x152/0x460 [ 2893.004113][ T10] addrconf_sysctl_forward+0x212/0x2b0 [ 2893.004113][ T10] proc_sys_call_handler+0x403/0x5e0 [ 2893.004113][ T10] vfs_write+0x9e5/0x10a0 [ 2893.004113][ T10] ksys_write+0xf5/0x1e0 [ 2893.004113][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.004113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.004113][ T10] [ 2893.005982][ T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at [ 2893.005982][ T10] netdev_get_by_index+0x5e/0x80 [ 2893.005982][ T10] fib6_nh_init+0x3d8/0x1580 [ 2893.005982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2893.005982][ T10] ip6_route_add+0x1c/0x140 [ 2893.005982][ T10] addrconf_prefix_route+0x2a6/0x430 [ 2893.005982][ T10] inet6_addr_add+0x4f8/0xa40 [ 2893.005982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.005982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.005982][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.005982][ T10] netlink_unicast+0x449/0x710 [ 2893.005982][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.005982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.005982][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.005982][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.005982][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.005982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.005982][ T10] [ 2893.008081][ T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at [ 2893.008081][ T10] netdev_get_by_index+0x5e/0x80 [ 2893.008081][ T10] fib6_nh_init+0x3d8/0x1580 [ 2893.008081][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2893.008081][ T10] addrconf_f6i_alloc+0x315/0x560 [ 2893.008081][ T10] ipv6_add_addr+0x411/0x2000 [ 2893.008081][ T10] inet6_addr_add+0x30e/0xa40 [ 2893.008081][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.008081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.008081][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.008081][ T10] netlink_unicast+0x449/0x710 [ 2893.008081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.008081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.008081][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.008081][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.008081][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.008081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.008081][ T10] [ 2893.010167][ T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at [ 2893.010167][ T10] netdev_get_by_index+0x5e/0x80 [ 2893.010167][ T10] fib6_nh_init+0x3d8/0x1580 [ 2893.010167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2893.010167][ T10] ip6_route_add+0x1c/0x140 [ 2893.010167][ T10] addrconf_add_mroute+0x1ac/0x2c0 [ 2893.010167][ T10] addrconf_add_dev+0xe2/0x170 [ 2893.010167][ T10] inet6_addr_add+0x12f/0xa40 [ 2893.010167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2893.010167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.010167][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.010167][ T10] netlink_unicast+0x449/0x710 [ 2893.010167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.010167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.010167][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.010167][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.010167][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.010167][ T10] [ 2893.012265][ T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at [ 2893.012265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2893.012265][ T10] ipv6_find_idev+0x102/0x170 [ 2893.012265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.012265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.012265][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.012265][ T10] netlink_unicast+0x449/0x710 [ 2893.012265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.012265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.012265][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.012265][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.012265][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.012265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.012265][ T10] [ 2893.013853][ T10] ref_tracker: eth1@ffff888024a715e0 has 1/6 users at [ 2893.013853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2893.013853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2893.013853][ T10] ipv6_find_idev+0x102/0x170 [ 2893.013853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2893.013853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2893.013853][ T10] netlink_rcv_skb+0x130/0x360 [ 2893.013853][ T10] netlink_unicast+0x449/0x710 [ 2893.013853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2893.013853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2893.013853][ T10] ___sys_sendmsg+0xee/0x170 [ 2893.013853][ T10] __sys_sendmsg+0xcd/0x170 [ 2893.013853][ T10] do_syscall_64+0xc6/0x1e0 [ 2893.013853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2893.013853][ T10]