[ 83.046201][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 83.046813][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 83.046813][ T71] netdev_get_by_index+0x5e/0x80 [ 83.046813][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.046813][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.046813][ T71] ip6_route_add+0x1c/0x140 [ 83.046813][ T71] addrconf_prefix_route+0x2a6/0x430 [ 83.046813][ T71] inet6_addr_add+0x4f8/0xa40 [ 83.046813][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 83.046813][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.046813][ T71] netlink_rcv_skb+0x130/0x360 [ 83.046813][ T71] netlink_unicast+0x449/0x710 [ 83.046813][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.046813][ T71] __sys_sendto+0x37d/0x410 [ 83.046813][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.046813][ T71] do_syscall_64+0xc6/0x1e0 [ 83.046813][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.046813][ T71] [ 83.049375][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 83.049375][ T71] netdev_get_by_index+0x5e/0x80 [ 83.049375][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.049375][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.049375][ T71] addrconf_f6i_alloc+0x315/0x560 [ 83.049375][ T71] ipv6_add_addr+0x411/0x2000 [ 83.049375][ T71] inet6_addr_add+0x30e/0xa40 [ 83.049375][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 83.049375][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.049375][ T71] netlink_rcv_skb+0x130/0x360 [ 83.049375][ T71] netlink_unicast+0x449/0x710 [ 83.049375][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.049375][ T71] __sys_sendto+0x37d/0x410 [ 83.049375][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.049375][ T71] do_syscall_64+0xc6/0x1e0 [ 83.049375][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.049375][ T71] [ 83.051401][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 83.051401][ T71] dst_init+0x84/0x4a0 [ 83.051401][ T71] dst_alloc+0x97/0x150 [ 83.051401][ T71] ip6_dst_alloc+0x23/0x90 [ 83.051401][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 83.051401][ T71] ip6_pol_route+0x56f/0x840 [ 83.051401][ T71] fib6_rule_lookup+0x334/0x630 [ 83.051401][ T71] ip6_route_output_flags+0x259/0x480 [ 83.051401][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 83.051401][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 83.051401][ T71] tcp_v6_connect+0xa69/0x1ba0 [ 83.051401][ T71] __inet_stream_connect+0x272/0x9f0 [ 83.051401][ T71] inet_stream_connect+0x57/0xa0 [ 83.051401][ T71] __sys_connect+0x217/0x2a0 [ 83.051401][ T71] __x64_sys_connect+0x72/0xb0 [ 83.051401][ T71] do_syscall_64+0xc6/0x1e0 [ 83.051401][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.051401][ T71] [ 83.053570][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 83.053570][ T71] dst_init+0x84/0x4a0 [ 83.053570][ T71] dst_alloc+0x97/0x150 [ 83.053570][ T71] ip6_dst_alloc+0x23/0x90 [ 83.053570][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 83.053570][ T71] ip6_pol_route+0x56f/0x840 [ 83.053570][ T71] fib6_rule_lookup+0x456/0x630 [ 83.053570][ T71] ip6_route_input+0x59c/0xa40 [ 83.053570][ T71] ipv6_rcv+0x184/0x520 [ 83.053570][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 83.053570][ T71] process_backlog+0x101/0x620 [ 83.053570][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 83.053570][ T71] net_rx_action+0x495/0xbe0 [ 83.053570][ T71] __do_softirq+0x1b5/0x7f6 [ 83.053570][ T71] [ 83.055285][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 83.055285][ T71] netdev_get_by_index+0x5e/0x80 [ 83.055285][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.055285][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.055285][ T71] ip6_route_add+0x1c/0x140 [ 83.055285][ T71] inet6_rtm_newroute+0x104/0x110 [ 83.055285][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.055285][ T71] netlink_rcv_skb+0x130/0x360 [ 83.055285][ T71] netlink_unicast+0x449/0x710 [ 83.055285][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.055285][ T71] __sys_sendto+0x37d/0x410 [ 83.055285][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.055285][ T71] do_syscall_64+0xc6/0x1e0 [ 83.055285][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.055285][ T71] [ 83.057379][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 83.057379][ T71] netdev_get_by_index+0x5e/0x80 [ 83.057379][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.057379][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.057379][ T71] ip6_route_add+0x1c/0x140 [ 83.057379][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 83.057379][ T71] addrconf_add_dev+0xe2/0x170 [ 83.057379][ T71] inet6_addr_add+0x12f/0xa40 [ 83.057379][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 83.057379][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.057379][ T71] netlink_rcv_skb+0x130/0x360 [ 83.057379][ T71] netlink_unicast+0x449/0x710 [ 83.057379][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.057379][ T71] __sys_sendto+0x37d/0x410 [ 83.057379][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.057379][ T71] do_syscall_64+0xc6/0x1e0 [ 83.057379][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.057379][ T71] [ 83.059830][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 83.059830][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 83.059830][ T71] ipv6_find_idev+0x102/0x170 [ 83.059830][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 83.059830][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.059830][ T71] netlink_rcv_skb+0x130/0x360 [ 83.059830][ T71] netlink_unicast+0x449/0x710 [ 83.059830][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.059830][ T71] __sys_sendto+0x37d/0x410 [ 83.059830][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.059830][ T71] do_syscall_64+0xc6/0x1e0 [ 83.059830][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.059830][ T71] [ 83.061615][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 83.061615][ T71] neigh_parms_alloc+0x1e5/0x510 [ 83.061615][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 83.061615][ T71] ipv6_find_idev+0x102/0x170 [ 83.061615][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 83.061615][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.061615][ T71] netlink_rcv_skb+0x130/0x360 [ 83.061615][ T71] netlink_unicast+0x449/0x710 [ 83.061615][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.061615][ T71] __sys_sendto+0x37d/0x410 [ 83.061615][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.061615][ T71] do_syscall_64+0xc6/0x1e0 [ 83.061615][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.061615][ T71] [ 83.063330][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8581 [ 83.064799][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 378/8580 users at [ 83.064799][ T71] dst_init+0x84/0x4a0 [ 83.064799][ T71] dst_alloc+0x97/0x150 [ 83.064799][ T71] ip6_dst_alloc+0x23/0x90 [ 83.064799][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 83.064799][ T71] ip6_pol_route+0x56f/0x840 [ 83.064799][ T71] fib6_rule_lookup+0x334/0x630 [ 83.064799][ T71] ip6_route_output_flags+0x259/0x480 [ 83.064799][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 83.064799][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 83.064799][ T71] inet6_csk_route_req+0x4af/0x6e0 [ 83.064799][ T71] tcp_conn_request+0xa5d/0x2d10 [ 83.064799][ T71] tcp_rcv_state_process+0x453/0x1fe0 [ 83.064799][ T71] tcp_v6_do_rcv+0x343/0x12f0 [ 83.064799][ T71] tcp_v6_rcv+0x2166/0x2540 [ 83.064799][ T71] ip6_protocol_deliver_rcu+0x125/0x1270 [ 83.064799][ T71] ip6_input+0x165/0x2b0 [ 83.064799][ T71] [ 83.067256][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 8193/8580 users at [ 83.067256][ T71] netdev_get_by_index+0x5e/0x80 [ 83.067256][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.067256][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.067256][ T71] ip6_route_add+0x1c/0x140 [ 83.067256][ T71] inet6_rtm_newroute+0x104/0x110 [ 83.067256][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.067256][ T71] netlink_rcv_skb+0x130/0x360 [ 83.067256][ T71] netlink_unicast+0x449/0x710 [ 83.067256][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.067256][ T71] __sys_sendto+0x37d/0x410 [ 83.067256][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.067256][ T71] do_syscall_64+0xc6/0x1e0 [ 83.067256][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.067256][ T71] [ 83.069514][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 4/8580 users at [ 83.069514][ T71] dst_init+0x84/0x4a0 [ 83.069514][ T71] dst_alloc+0x97/0x150 [ 83.069514][ T71] ip6_dst_alloc+0x23/0x90 [ 83.069514][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 83.069514][ T71] ip6_pol_route+0x56f/0x840 [ 83.069514][ T71] fib6_rule_lookup+0x456/0x630 [ 83.069514][ T71] ip6_route_input+0x59c/0xa40 [ 83.069514][ T71] ipv6_rcv+0x184/0x520 [ 83.069514][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 83.069514][ T71] process_backlog+0x101/0x620 [ 83.069514][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 83.069514][ T71] net_rx_action+0x495/0xbe0 [ 83.069514][ T71] __do_softirq+0x1b5/0x7f6 [ 83.069514][ T71] [ 83.071435][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 83.071435][ T71] netdev_get_by_index+0x5e/0x80 [ 83.071435][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.071435][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.071435][ T71] ip6_route_add+0x1c/0x140 [ 83.071435][ T71] addrconf_prefix_route+0x2a6/0x430 [ 83.071435][ T71] inet6_addr_add+0x4f8/0xa40 [ 83.071435][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 83.071435][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.071435][ T71] netlink_rcv_skb+0x130/0x360 [ 83.071435][ T71] netlink_unicast+0x449/0x710 [ 83.071435][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.071435][ T71] __sys_sendto+0x37d/0x410 [ 83.071435][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.071435][ T71] do_syscall_64+0xc6/0x1e0 [ 83.071435][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.071435][ T71] [ 83.073600][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 83.073600][ T71] netdev_get_by_index+0x5e/0x80 [ 83.073600][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.073600][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.073600][ T71] addrconf_f6i_alloc+0x315/0x560 [ 83.073600][ T71] ipv6_add_addr+0x411/0x2000 [ 83.073600][ T71] inet6_addr_add+0x30e/0xa40 [ 83.073600][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 83.073600][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.073600][ T71] netlink_rcv_skb+0x130/0x360 [ 83.073600][ T71] netlink_unicast+0x449/0x710 [ 83.073600][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.073600][ T71] __sys_sendto+0x37d/0x410 [ 83.073600][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.073600][ T71] do_syscall_64+0xc6/0x1e0 [ 83.073600][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.073600][ T71] [ 83.075837][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 83.075837][ T71] netdev_get_by_index+0x5e/0x80 [ 83.075837][ T71] fib6_nh_init+0x3d8/0x15b0 [ 83.075837][ T71] ip6_route_info_create+0xf18/0x17d0 [ 83.075837][ T71] ip6_route_add+0x1c/0x140 [ 83.075837][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 83.075837][ T71] addrconf_add_dev+0xe2/0x170 [ 83.075837][ T71] inet6_addr_add+0x12f/0xa40 [ 83.075837][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 83.075837][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.075837][ T71] netlink_rcv_skb+0x130/0x360 [ 83.075837][ T71] netlink_unicast+0x449/0x710 [ 83.075837][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.075837][ T71] __sys_sendto+0x37d/0x410 [ 83.075837][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.075837][ T71] do_syscall_64+0xc6/0x1e0 [ 83.075837][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.075837][ T71] [ 83.078068][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 83.078068][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 83.078068][ T71] ipv6_find_idev+0x102/0x170 [ 83.078068][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 83.078068][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.078068][ T71] netlink_rcv_skb+0x130/0x360 [ 83.078068][ T71] netlink_unicast+0x449/0x710 [ 83.078068][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.078068][ T71] __sys_sendto+0x37d/0x410 [ 83.078068][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.078068][ T71] do_syscall_64+0xc6/0x1e0 [ 83.078068][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.078068][ T71] [ 83.079796][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 83.079796][ T71] neigh_parms_alloc+0x1e5/0x510 [ 83.079796][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 83.079796][ T71] ipv6_find_idev+0x102/0x170 [ 83.079796][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 83.079796][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 83.079796][ T71] netlink_rcv_skb+0x130/0x360 [ 83.079796][ T71] netlink_unicast+0x449/0x710 [ 83.079796][ T71] netlink_sendmsg+0x723/0xbe0 [ 83.079796][ T71] __sys_sendto+0x37d/0x410 [ 83.079796][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 83.079796][ T71] do_syscall_64+0xc6/0x1e0 [ 83.079796][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 83.079796][ T71] [ 83.081732][ T71] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 83.082085][ T71] ref_tracker: lo@ffff8880059945b8 has 396/396 users at [ 83.082085][ T71] dst_init+0x84/0x4a0 [ 83.082085][ T71] dst_alloc+0x97/0x150 [ 83.082085][ T71] ip6_dst_alloc+0x23/0x90 [ 83.082085][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 83.082085][ T71] ip6_pol_route+0x56f/0x840 [ 83.082085][ T71] fib6_rule_lookup+0x456/0x630 [ 83.082085][ T71] ip6_route_input+0x59c/0xa40 [ 83.082085][ T71] ipv6_rcv+0x184/0x520 [ 83.082085][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 83.082085][ T71] process_backlog+0x101/0x620 [ 83.082085][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 83.082085][ T71] net_rx_action+0x495/0xbe0 [ 83.082085][ T71] __do_softirq+0x1b5/0x7f6 [ 83.082085][ T71] [ 93.206109][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 93.206627][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 93.206627][ T71] netdev_get_by_index+0x5e/0x80 [ 93.206627][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.206627][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.206627][ T71] ip6_route_add+0x1c/0x140 [ 93.206627][ T71] addrconf_prefix_route+0x2a6/0x430 [ 93.206627][ T71] inet6_addr_add+0x4f8/0xa40 [ 93.206627][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 93.206627][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.206627][ T71] netlink_rcv_skb+0x130/0x360 [ 93.206627][ T71] netlink_unicast+0x449/0x710 [ 93.206627][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.206627][ T71] __sys_sendto+0x37d/0x410 [ 93.206627][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.206627][ T71] do_syscall_64+0xc6/0x1e0 [ 93.206627][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.206627][ T71] [ 93.209095][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 93.209095][ T71] netdev_get_by_index+0x5e/0x80 [ 93.209095][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.209095][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.209095][ T71] addrconf_f6i_alloc+0x315/0x560 [ 93.209095][ T71] ipv6_add_addr+0x411/0x2000 [ 93.209095][ T71] inet6_addr_add+0x30e/0xa40 [ 93.209095][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 93.209095][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.209095][ T71] netlink_rcv_skb+0x130/0x360 [ 93.209095][ T71] netlink_unicast+0x449/0x710 [ 93.209095][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.209095][ T71] __sys_sendto+0x37d/0x410 [ 93.209095][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.209095][ T71] do_syscall_64+0xc6/0x1e0 [ 93.209095][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.209095][ T71] [ 93.211556][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 93.211556][ T71] dst_init+0x84/0x4a0 [ 93.211556][ T71] dst_alloc+0x97/0x150 [ 93.211556][ T71] ip6_dst_alloc+0x23/0x90 [ 93.211556][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 93.211556][ T71] ip6_pol_route+0x56f/0x840 [ 93.211556][ T71] fib6_rule_lookup+0x334/0x630 [ 93.211556][ T71] ip6_route_output_flags+0x259/0x480 [ 93.211556][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 93.211556][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 93.211556][ T71] tcp_v6_connect+0xa69/0x1ba0 [ 93.211556][ T71] __inet_stream_connect+0x272/0x9f0 [ 93.211556][ T71] inet_stream_connect+0x57/0xa0 [ 93.211556][ T71] __sys_connect+0x217/0x2a0 [ 93.211556][ T71] __x64_sys_connect+0x72/0xb0 [ 93.211556][ T71] do_syscall_64+0xc6/0x1e0 [ 93.211556][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.211556][ T71] [ 93.214143][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 93.214143][ T71] dst_init+0x84/0x4a0 [ 93.214143][ T71] dst_alloc+0x97/0x150 [ 93.214143][ T71] ip6_dst_alloc+0x23/0x90 [ 93.214143][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 93.214143][ T71] ip6_pol_route+0x56f/0x840 [ 93.214143][ T71] fib6_rule_lookup+0x456/0x630 [ 93.214143][ T71] ip6_route_input+0x59c/0xa40 [ 93.214143][ T71] ipv6_rcv+0x184/0x520 [ 93.214143][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 93.214143][ T71] process_backlog+0x101/0x620 [ 93.214143][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 93.214143][ T71] net_rx_action+0x495/0xbe0 [ 93.214143][ T71] __do_softirq+0x1b5/0x7f6 [ 93.214143][ T71] [ 93.216208][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 93.216208][ T71] netdev_get_by_index+0x5e/0x80 [ 93.216208][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.216208][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.216208][ T71] ip6_route_add+0x1c/0x140 [ 93.216208][ T71] inet6_rtm_newroute+0x104/0x110 [ 93.216208][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.216208][ T71] netlink_rcv_skb+0x130/0x360 [ 93.216208][ T71] netlink_unicast+0x449/0x710 [ 93.216208][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.216208][ T71] __sys_sendto+0x37d/0x410 [ 93.216208][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.216208][ T71] do_syscall_64+0xc6/0x1e0 [ 93.216208][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.216208][ T71] [ 93.218381][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 93.218381][ T71] netdev_get_by_index+0x5e/0x80 [ 93.218381][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.218381][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.218381][ T71] ip6_route_add+0x1c/0x140 [ 93.218381][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 93.218381][ T71] addrconf_add_dev+0xe2/0x170 [ 93.218381][ T71] inet6_addr_add+0x12f/0xa40 [ 93.218381][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 93.218381][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.218381][ T71] netlink_rcv_skb+0x130/0x360 [ 93.218381][ T71] netlink_unicast+0x449/0x710 [ 93.218381][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.218381][ T71] __sys_sendto+0x37d/0x410 [ 93.218381][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.218381][ T71] do_syscall_64+0xc6/0x1e0 [ 93.218381][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.218381][ T71] [ 93.221030][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 93.221030][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 93.221030][ T71] ipv6_find_idev+0x102/0x170 [ 93.221030][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 93.221030][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.221030][ T71] netlink_rcv_skb+0x130/0x360 [ 93.221030][ T71] netlink_unicast+0x449/0x710 [ 93.221030][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.221030][ T71] __sys_sendto+0x37d/0x410 [ 93.221030][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.221030][ T71] do_syscall_64+0xc6/0x1e0 [ 93.221030][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.221030][ T71] [ 93.222983][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 93.222983][ T71] neigh_parms_alloc+0x1e5/0x510 [ 93.222983][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 93.222983][ T71] ipv6_find_idev+0x102/0x170 [ 93.222983][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 93.222983][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.222983][ T71] netlink_rcv_skb+0x130/0x360 [ 93.222983][ T71] netlink_unicast+0x449/0x710 [ 93.222983][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.222983][ T71] __sys_sendto+0x37d/0x410 [ 93.222983][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.222983][ T71] do_syscall_64+0xc6/0x1e0 [ 93.222983][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.222983][ T71] [ 93.225083][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8581 [ 93.226639][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 378/8580 users at [ 93.226639][ T71] dst_init+0x84/0x4a0 [ 93.226639][ T71] dst_alloc+0x97/0x150 [ 93.226639][ T71] ip6_dst_alloc+0x23/0x90 [ 93.226639][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 93.226639][ T71] ip6_pol_route+0x56f/0x840 [ 93.226639][ T71] fib6_rule_lookup+0x334/0x630 [ 93.226639][ T71] ip6_route_output_flags+0x259/0x480 [ 93.226639][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 93.226639][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 93.226639][ T71] inet6_csk_route_req+0x4af/0x6e0 [ 93.226639][ T71] tcp_conn_request+0xa5d/0x2d10 [ 93.226639][ T71] tcp_rcv_state_process+0x453/0x1fe0 [ 93.226639][ T71] tcp_v6_do_rcv+0x343/0x12f0 [ 93.226639][ T71] tcp_v6_rcv+0x2166/0x2540 [ 93.226639][ T71] ip6_protocol_deliver_rcu+0x125/0x1270 [ 93.226639][ T71] ip6_input+0x165/0x2b0 [ 93.226639][ T71] [ 93.229348][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 8193/8580 users at [ 93.229348][ T71] netdev_get_by_index+0x5e/0x80 [ 93.229348][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.229348][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.229348][ T71] ip6_route_add+0x1c/0x140 [ 93.229348][ T71] inet6_rtm_newroute+0x104/0x110 [ 93.229348][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.229348][ T71] netlink_rcv_skb+0x130/0x360 [ 93.229348][ T71] netlink_unicast+0x449/0x710 [ 93.229348][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.229348][ T71] __sys_sendto+0x37d/0x410 [ 93.229348][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.229348][ T71] do_syscall_64+0xc6/0x1e0 [ 93.229348][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.229348][ T71] [ 93.231493][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 4/8580 users at [ 93.231493][ T71] dst_init+0x84/0x4a0 [ 93.231493][ T71] dst_alloc+0x97/0x150 [ 93.231493][ T71] ip6_dst_alloc+0x23/0x90 [ 93.231493][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 93.231493][ T71] ip6_pol_route+0x56f/0x840 [ 93.231493][ T71] fib6_rule_lookup+0x456/0x630 [ 93.231493][ T71] ip6_route_input+0x59c/0xa40 [ 93.231493][ T71] ipv6_rcv+0x184/0x520 [ 93.231493][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 93.231493][ T71] process_backlog+0x101/0x620 [ 93.231493][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 93.231493][ T71] net_rx_action+0x495/0xbe0 [ 93.231493][ T71] __do_softirq+0x1b5/0x7f6 [ 93.231493][ T71] [ 93.233619][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 93.233619][ T71] netdev_get_by_index+0x5e/0x80 [ 93.233619][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.233619][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.233619][ T71] ip6_route_add+0x1c/0x140 [ 93.233619][ T71] addrconf_prefix_route+0x2a6/0x430 [ 93.233619][ T71] inet6_addr_add+0x4f8/0xa40 [ 93.233619][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 93.233619][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.233619][ T71] netlink_rcv_skb+0x130/0x360 [ 93.233619][ T71] netlink_unicast+0x449/0x710 [ 93.233619][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.233619][ T71] __sys_sendto+0x37d/0x410 [ 93.233619][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.233619][ T71] do_syscall_64+0xc6/0x1e0 [ 93.233619][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.233619][ T71] [ 93.236197][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 93.236197][ T71] netdev_get_by_index+0x5e/0x80 [ 93.236197][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.236197][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.236197][ T71] addrconf_f6i_alloc+0x315/0x560 [ 93.236197][ T71] ipv6_add_addr+0x411/0x2000 [ 93.236197][ T71] inet6_addr_add+0x30e/0xa40 [ 93.236197][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 93.236197][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.236197][ T71] netlink_rcv_skb+0x130/0x360 [ 93.236197][ T71] netlink_unicast+0x449/0x710 [ 93.236197][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.236197][ T71] __sys_sendto+0x37d/0x410 [ 93.236197][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.236197][ T71] do_syscall_64+0xc6/0x1e0 [ 93.236197][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.236197][ T71] [ 93.238672][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 93.238672][ T71] netdev_get_by_index+0x5e/0x80 [ 93.238672][ T71] fib6_nh_init+0x3d8/0x15b0 [ 93.238672][ T71] ip6_route_info_create+0xf18/0x17d0 [ 93.238672][ T71] ip6_route_add+0x1c/0x140 [ 93.238672][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 93.238672][ T71] addrconf_add_dev+0xe2/0x170 [ 93.238672][ T71] inet6_addr_add+0x12f/0xa40 [ 93.238672][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 93.238672][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.238672][ T71] netlink_rcv_skb+0x130/0x360 [ 93.238672][ T71] netlink_unicast+0x449/0x710 [ 93.238672][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.238672][ T71] __sys_sendto+0x37d/0x410 [ 93.238672][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.238672][ T71] do_syscall_64+0xc6/0x1e0 [ 93.238672][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.238672][ T71] [ 93.241311][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 93.241311][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 93.241311][ T71] ipv6_find_idev+0x102/0x170 [ 93.241311][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 93.241311][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.241311][ T71] netlink_rcv_skb+0x130/0x360 [ 93.241311][ T71] netlink_unicast+0x449/0x710 [ 93.241311][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.241311][ T71] __sys_sendto+0x37d/0x410 [ 93.241311][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.241311][ T71] do_syscall_64+0xc6/0x1e0 [ 93.241311][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.241311][ T71] [ 93.243188][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 93.243188][ T71] neigh_parms_alloc+0x1e5/0x510 [ 93.243188][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 93.243188][ T71] ipv6_find_idev+0x102/0x170 [ 93.243188][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 93.243188][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 93.243188][ T71] netlink_rcv_skb+0x130/0x360 [ 93.243188][ T71] netlink_unicast+0x449/0x710 [ 93.243188][ T71] netlink_sendmsg+0x723/0xbe0 [ 93.243188][ T71] __sys_sendto+0x37d/0x410 [ 93.243188][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 93.243188][ T71] do_syscall_64+0xc6/0x1e0 [ 93.243188][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 93.243188][ T71] [ 93.245653][ T71] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 93.245995][ T71] ref_tracker: lo@ffff8880059945b8 has 396/396 users at [ 93.245995][ T71] dst_init+0x84/0x4a0 [ 93.245995][ T71] dst_alloc+0x97/0x150 [ 93.245995][ T71] ip6_dst_alloc+0x23/0x90 [ 93.245995][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 93.245995][ T71] ip6_pol_route+0x56f/0x840 [ 93.245995][ T71] fib6_rule_lookup+0x456/0x630 [ 93.245995][ T71] ip6_route_input+0x59c/0xa40 [ 93.245995][ T71] ipv6_rcv+0x184/0x520 [ 93.245995][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 93.245995][ T71] process_backlog+0x101/0x620 [ 93.245995][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 93.245995][ T71] net_rx_action+0x495/0xbe0 [ 93.245995][ T71] __do_softirq+0x1b5/0x7f6 [ 93.245995][ T71] [ 103.438056][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 103.439045][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 103.439045][ T71] netdev_get_by_index+0x5e/0x80 [ 103.439045][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.439045][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.439045][ T71] ip6_route_add+0x1c/0x140 [ 103.439045][ T71] addrconf_prefix_route+0x2a6/0x430 [ 103.439045][ T71] inet6_addr_add+0x4f8/0xa40 [ 103.439045][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 103.439045][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.439045][ T71] netlink_rcv_skb+0x130/0x360 [ 103.439045][ T71] netlink_unicast+0x449/0x710 [ 103.439045][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.439045][ T71] __sys_sendto+0x37d/0x410 [ 103.439045][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.439045][ T71] do_syscall_64+0xc6/0x1e0 [ 103.439045][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.439045][ T71] [ 103.441040][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 103.441040][ T71] netdev_get_by_index+0x5e/0x80 [ 103.441040][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.441040][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.441040][ T71] addrconf_f6i_alloc+0x315/0x560 [ 103.441040][ T71] ipv6_add_addr+0x411/0x2000 [ 103.441040][ T71] inet6_addr_add+0x30e/0xa40 [ 103.441040][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 103.441040][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.441040][ T71] netlink_rcv_skb+0x130/0x360 [ 103.441040][ T71] netlink_unicast+0x449/0x710 [ 103.441040][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.441040][ T71] __sys_sendto+0x37d/0x410 [ 103.441040][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.441040][ T71] do_syscall_64+0xc6/0x1e0 [ 103.441040][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.441040][ T71] [ 103.443079][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 103.443079][ T71] dst_init+0x84/0x4a0 [ 103.443079][ T71] dst_alloc+0x97/0x150 [ 103.443079][ T71] ip6_dst_alloc+0x23/0x90 [ 103.443079][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.443079][ T71] ip6_pol_route+0x56f/0x840 [ 103.443079][ T71] fib6_rule_lookup+0x334/0x630 [ 103.443079][ T71] ip6_route_output_flags+0x259/0x480 [ 103.443079][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 103.443079][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 103.443079][ T71] tcp_v6_connect+0xa69/0x1ba0 [ 103.443079][ T71] __inet_stream_connect+0x272/0x9f0 [ 103.443079][ T71] inet_stream_connect+0x57/0xa0 [ 103.443079][ T71] __sys_connect+0x217/0x2a0 [ 103.443079][ T71] __x64_sys_connect+0x72/0xb0 [ 103.443079][ T71] do_syscall_64+0xc6/0x1e0 [ 103.443079][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.443079][ T71] [ 103.445195][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 103.445195][ T71] dst_init+0x84/0x4a0 [ 103.445195][ T71] dst_alloc+0x97/0x150 [ 103.445195][ T71] ip6_dst_alloc+0x23/0x90 [ 103.445195][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.445195][ T71] ip6_pol_route+0x56f/0x840 [ 103.445195][ T71] fib6_rule_lookup+0x456/0x630 [ 103.445195][ T71] ip6_route_input+0x59c/0xa40 [ 103.445195][ T71] ipv6_rcv+0x184/0x520 [ 103.445195][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.445195][ T71] process_backlog+0x101/0x620 [ 103.445195][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 103.445195][ T71] net_rx_action+0x495/0xbe0 [ 103.445195][ T71] __do_softirq+0x1b5/0x7f6 [ 103.445195][ T71] [ 103.446917][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 103.446917][ T71] netdev_get_by_index+0x5e/0x80 [ 103.446917][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.446917][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.446917][ T71] ip6_route_add+0x1c/0x140 [ 103.446917][ T71] inet6_rtm_newroute+0x104/0x110 [ 103.446917][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.446917][ T71] netlink_rcv_skb+0x130/0x360 [ 103.446917][ T71] netlink_unicast+0x449/0x710 [ 103.446917][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.446917][ T71] __sys_sendto+0x37d/0x410 [ 103.446917][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.446917][ T71] do_syscall_64+0xc6/0x1e0 [ 103.446917][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.446917][ T71] [ 103.448672][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 103.448672][ T71] netdev_get_by_index+0x5e/0x80 [ 103.448672][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.448672][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.448672][ T71] ip6_route_add+0x1c/0x140 [ 103.448672][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 103.448672][ T71] addrconf_add_dev+0xe2/0x170 [ 103.448672][ T71] inet6_addr_add+0x12f/0xa40 [ 103.448672][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 103.448672][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.448672][ T71] netlink_rcv_skb+0x130/0x360 [ 103.448672][ T71] netlink_unicast+0x449/0x710 [ 103.448672][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.448672][ T71] __sys_sendto+0x37d/0x410 [ 103.448672][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.448672][ T71] do_syscall_64+0xc6/0x1e0 [ 103.448672][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.448672][ T71] [ 103.450887][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 103.450887][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 103.450887][ T71] ipv6_find_idev+0x102/0x170 [ 103.450887][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.450887][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.450887][ T71] netlink_rcv_skb+0x130/0x360 [ 103.450887][ T71] netlink_unicast+0x449/0x710 [ 103.450887][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.450887][ T71] __sys_sendto+0x37d/0x410 [ 103.450887][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.450887][ T71] do_syscall_64+0xc6/0x1e0 [ 103.450887][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.450887][ T71] [ 103.452533][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 103.452533][ T71] neigh_parms_alloc+0x1e5/0x510 [ 103.452533][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 103.452533][ T71] ipv6_find_idev+0x102/0x170 [ 103.452533][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.452533][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.452533][ T71] netlink_rcv_skb+0x130/0x360 [ 103.452533][ T71] netlink_unicast+0x449/0x710 [ 103.452533][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.452533][ T71] __sys_sendto+0x37d/0x410 [ 103.452533][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.452533][ T71] do_syscall_64+0xc6/0x1e0 [ 103.452533][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.452533][ T71] [ 103.454455][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8581 [ 103.455998][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 378/8580 users at [ 103.455998][ T71] dst_init+0x84/0x4a0 [ 103.455998][ T71] dst_alloc+0x97/0x150 [ 103.455998][ T71] ip6_dst_alloc+0x23/0x90 [ 103.455998][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.455998][ T71] ip6_pol_route+0x56f/0x840 [ 103.455998][ T71] fib6_rule_lookup+0x334/0x630 [ 103.455998][ T71] ip6_route_output_flags+0x259/0x480 [ 103.455998][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 103.455998][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 103.455998][ T71] inet6_csk_route_req+0x4af/0x6e0 [ 103.455998][ T71] tcp_conn_request+0xa5d/0x2d10 [ 103.455998][ T71] tcp_rcv_state_process+0x453/0x1fe0 [ 103.455998][ T71] tcp_v6_do_rcv+0x343/0x12f0 [ 103.455998][ T71] tcp_v6_rcv+0x2166/0x2540 [ 103.455998][ T71] ip6_protocol_deliver_rcu+0x125/0x1270 [ 103.455998][ T71] ip6_input+0x165/0x2b0 [ 103.455998][ T71] [ 103.458299][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 8193/8580 users at [ 103.458299][ T71] netdev_get_by_index+0x5e/0x80 [ 103.458299][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.458299][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.458299][ T71] ip6_route_add+0x1c/0x140 [ 103.458299][ T71] inet6_rtm_newroute+0x104/0x110 [ 103.458299][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.458299][ T71] netlink_rcv_skb+0x130/0x360 [ 103.458299][ T71] netlink_unicast+0x449/0x710 [ 103.458299][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.458299][ T71] __sys_sendto+0x37d/0x410 [ 103.458299][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.458299][ T71] do_syscall_64+0xc6/0x1e0 [ 103.458299][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.458299][ T71] [ 103.460209][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 4/8580 users at [ 103.460209][ T71] dst_init+0x84/0x4a0 [ 103.460209][ T71] dst_alloc+0x97/0x150 [ 103.460209][ T71] ip6_dst_alloc+0x23/0x90 [ 103.460209][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.460209][ T71] ip6_pol_route+0x56f/0x840 [ 103.460209][ T71] fib6_rule_lookup+0x456/0x630 [ 103.460209][ T71] ip6_route_input+0x59c/0xa40 [ 103.460209][ T71] ipv6_rcv+0x184/0x520 [ 103.460209][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.460209][ T71] process_backlog+0x101/0x620 [ 103.460209][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 103.460209][ T71] net_rx_action+0x495/0xbe0 [ 103.460209][ T71] __do_softirq+0x1b5/0x7f6 [ 103.460209][ T71] [ 103.462031][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 103.462031][ T71] netdev_get_by_index+0x5e/0x80 [ 103.462031][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.462031][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.462031][ T71] ip6_route_add+0x1c/0x140 [ 103.462031][ T71] addrconf_prefix_route+0x2a6/0x430 [ 103.462031][ T71] inet6_addr_add+0x4f8/0xa40 [ 103.462031][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 103.462031][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.462031][ T71] netlink_rcv_skb+0x130/0x360 [ 103.462031][ T71] netlink_unicast+0x449/0x710 [ 103.462031][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.462031][ T71] __sys_sendto+0x37d/0x410 [ 103.462031][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.462031][ T71] do_syscall_64+0xc6/0x1e0 [ 103.462031][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.462031][ T71] [ 103.464146][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 103.464146][ T71] netdev_get_by_index+0x5e/0x80 [ 103.464146][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.464146][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.464146][ T71] addrconf_f6i_alloc+0x315/0x560 [ 103.464146][ T71] ipv6_add_addr+0x411/0x2000 [ 103.464146][ T71] inet6_addr_add+0x30e/0xa40 [ 103.464146][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 103.464146][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.464146][ T71] netlink_rcv_skb+0x130/0x360 [ 103.464146][ T71] netlink_unicast+0x449/0x710 [ 103.464146][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.464146][ T71] __sys_sendto+0x37d/0x410 [ 103.464146][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.464146][ T71] do_syscall_64+0xc6/0x1e0 [ 103.464146][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.464146][ T71] [ 103.466267][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 103.466267][ T71] netdev_get_by_index+0x5e/0x80 [ 103.466267][ T71] fib6_nh_init+0x3d8/0x15b0 [ 103.466267][ T71] ip6_route_info_create+0xf18/0x17d0 [ 103.466267][ T71] ip6_route_add+0x1c/0x140 [ 103.466267][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 103.466267][ T71] addrconf_add_dev+0xe2/0x170 [ 103.466267][ T71] inet6_addr_add+0x12f/0xa40 [ 103.466267][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 103.466267][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.466267][ T71] netlink_rcv_skb+0x130/0x360 [ 103.466267][ T71] netlink_unicast+0x449/0x710 [ 103.466267][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.466267][ T71] __sys_sendto+0x37d/0x410 [ 103.466267][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.466267][ T71] do_syscall_64+0xc6/0x1e0 [ 103.466267][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.466267][ T71] [ 103.468497][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 103.468497][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 103.468497][ T71] ipv6_find_idev+0x102/0x170 [ 103.468497][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.468497][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.468497][ T71] netlink_rcv_skb+0x130/0x360 [ 103.468497][ T71] netlink_unicast+0x449/0x710 [ 103.468497][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.468497][ T71] __sys_sendto+0x37d/0x410 [ 103.468497][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.468497][ T71] do_syscall_64+0xc6/0x1e0 [ 103.468497][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.468497][ T71] [ 103.470118][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 103.470118][ T71] neigh_parms_alloc+0x1e5/0x510 [ 103.470118][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 103.470118][ T71] ipv6_find_idev+0x102/0x170 [ 103.470118][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 103.470118][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 103.470118][ T71] netlink_rcv_skb+0x130/0x360 [ 103.470118][ T71] netlink_unicast+0x449/0x710 [ 103.470118][ T71] netlink_sendmsg+0x723/0xbe0 [ 103.470118][ T71] __sys_sendto+0x37d/0x410 [ 103.470118][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 103.470118][ T71] do_syscall_64+0xc6/0x1e0 [ 103.470118][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 103.470118][ T71] [ 103.472040][ T71] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 103.472440][ T71] ref_tracker: lo@ffff8880059945b8 has 396/396 users at [ 103.472440][ T71] dst_init+0x84/0x4a0 [ 103.472440][ T71] dst_alloc+0x97/0x150 [ 103.472440][ T71] ip6_dst_alloc+0x23/0x90 [ 103.472440][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 103.472440][ T71] ip6_pol_route+0x56f/0x840 [ 103.472440][ T71] fib6_rule_lookup+0x456/0x630 [ 103.472440][ T71] ip6_route_input+0x59c/0xa40 [ 103.472440][ T71] ipv6_rcv+0x184/0x520 [ 103.472440][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 103.472440][ T71] process_backlog+0x101/0x620 [ 103.472440][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 103.472440][ T71] net_rx_action+0x495/0xbe0 [ 103.472440][ T71] __do_softirq+0x1b5/0x7f6 [ 103.472440][ T71] [ 113.590016][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 213 [ 113.590531][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 113.590531][ T71] netdev_get_by_index+0x5e/0x80 [ 113.590531][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.590531][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.590531][ T71] ip6_route_add+0x1c/0x140 [ 113.590531][ T71] addrconf_prefix_route+0x2a6/0x430 [ 113.590531][ T71] inet6_addr_add+0x4f8/0xa40 [ 113.590531][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 113.590531][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.590531][ T71] netlink_rcv_skb+0x130/0x360 [ 113.590531][ T71] netlink_unicast+0x449/0x710 [ 113.590531][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.590531][ T71] __sys_sendto+0x37d/0x410 [ 113.590531][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.590531][ T71] do_syscall_64+0xc6/0x1e0 [ 113.590531][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.590531][ T71] [ 113.592934][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 100/212 users at [ 113.592934][ T71] netdev_get_by_index+0x5e/0x80 [ 113.592934][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.592934][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.592934][ T71] addrconf_f6i_alloc+0x315/0x560 [ 113.592934][ T71] ipv6_add_addr+0x411/0x2000 [ 113.592934][ T71] inet6_addr_add+0x30e/0xa40 [ 113.592934][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 113.592934][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.592934][ T71] netlink_rcv_skb+0x130/0x360 [ 113.592934][ T71] netlink_unicast+0x449/0x710 [ 113.592934][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.592934][ T71] __sys_sendto+0x37d/0x410 [ 113.592934][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.592934][ T71] do_syscall_64+0xc6/0x1e0 [ 113.592934][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.592934][ T71] [ 113.595304][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 113.595304][ T71] dst_init+0x84/0x4a0 [ 113.595304][ T71] dst_alloc+0x97/0x150 [ 113.595304][ T71] ip6_dst_alloc+0x23/0x90 [ 113.595304][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.595304][ T71] ip6_pol_route+0x56f/0x840 [ 113.595304][ T71] fib6_rule_lookup+0x334/0x630 [ 113.595304][ T71] ip6_route_output_flags+0x259/0x480 [ 113.595304][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 113.595304][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 113.595304][ T71] tcp_v6_connect+0xa69/0x1ba0 [ 113.595304][ T71] __inet_stream_connect+0x272/0x9f0 [ 113.595304][ T71] inet_stream_connect+0x57/0xa0 [ 113.595304][ T71] __sys_connect+0x217/0x2a0 [ 113.595304][ T71] __x64_sys_connect+0x72/0xb0 [ 113.595304][ T71] do_syscall_64+0xc6/0x1e0 [ 113.595304][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.595304][ T71] [ 113.597866][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 4/212 users at [ 113.597866][ T71] dst_init+0x84/0x4a0 [ 113.597866][ T71] dst_alloc+0x97/0x150 [ 113.597866][ T71] ip6_dst_alloc+0x23/0x90 [ 113.597866][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.597866][ T71] ip6_pol_route+0x56f/0x840 [ 113.597866][ T71] fib6_rule_lookup+0x456/0x630 [ 113.597866][ T71] ip6_route_input+0x59c/0xa40 [ 113.597866][ T71] ipv6_rcv+0x184/0x520 [ 113.597866][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.597866][ T71] process_backlog+0x101/0x620 [ 113.597866][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 113.597866][ T71] net_rx_action+0x495/0xbe0 [ 113.597866][ T71] __do_softirq+0x1b5/0x7f6 [ 113.597866][ T71] [ 113.599911][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 113.599911][ T71] netdev_get_by_index+0x5e/0x80 [ 113.599911][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.599911][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.599911][ T71] ip6_route_add+0x1c/0x140 [ 113.599911][ T71] inet6_rtm_newroute+0x104/0x110 [ 113.599911][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.599911][ T71] netlink_rcv_skb+0x130/0x360 [ 113.599911][ T71] netlink_unicast+0x449/0x710 [ 113.599911][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.599911][ T71] __sys_sendto+0x37d/0x410 [ 113.599911][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.599911][ T71] do_syscall_64+0xc6/0x1e0 [ 113.599911][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.599911][ T71] [ 113.601976][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 113.601976][ T71] netdev_get_by_index+0x5e/0x80 [ 113.601976][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.601976][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.601976][ T71] ip6_route_add+0x1c/0x140 [ 113.601976][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 113.601976][ T71] addrconf_add_dev+0xe2/0x170 [ 113.601976][ T71] inet6_addr_add+0x12f/0xa40 [ 113.601976][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 113.601976][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.601976][ T71] netlink_rcv_skb+0x130/0x360 [ 113.601976][ T71] netlink_unicast+0x449/0x710 [ 113.601976][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.601976][ T71] __sys_sendto+0x37d/0x410 [ 113.601976][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.601976][ T71] do_syscall_64+0xc6/0x1e0 [ 113.601976][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.601976][ T71] [ 113.604402][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 113.604402][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 113.604402][ T71] ipv6_find_idev+0x102/0x170 [ 113.604402][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.604402][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.604402][ T71] netlink_rcv_skb+0x130/0x360 [ 113.604402][ T71] netlink_unicast+0x449/0x710 [ 113.604402][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.604402][ T71] __sys_sendto+0x37d/0x410 [ 113.604402][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.604402][ T71] do_syscall_64+0xc6/0x1e0 [ 113.604402][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.604402][ T71] [ 113.606164][ T71] ref_tracker: ktst-veth@ffff88801b6595b8 has 1/212 users at [ 113.606164][ T71] neigh_parms_alloc+0x1e5/0x510 [ 113.606164][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 113.606164][ T71] ipv6_find_idev+0x102/0x170 [ 113.606164][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.606164][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.606164][ T71] netlink_rcv_skb+0x130/0x360 [ 113.606164][ T71] netlink_unicast+0x449/0x710 [ 113.606164][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.606164][ T71] __sys_sendto+0x37d/0x410 [ 113.606164][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.606164][ T71] do_syscall_64+0xc6/0x1e0 [ 113.606164][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.606164][ T71] [ 113.608140][ T71] unregister_netdevice: waiting for ktst-veth to become free. Usage count = 8581 [ 113.609474][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 378/8580 users at [ 113.609474][ T71] dst_init+0x84/0x4a0 [ 113.609474][ T71] dst_alloc+0x97/0x150 [ 113.609474][ T71] ip6_dst_alloc+0x23/0x90 [ 113.609474][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.609474][ T71] ip6_pol_route+0x56f/0x840 [ 113.609474][ T71] fib6_rule_lookup+0x334/0x630 [ 113.609474][ T71] ip6_route_output_flags+0x259/0x480 [ 113.609474][ T71] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 113.609474][ T71] ip6_dst_lookup_flow+0x88/0x190 [ 113.609474][ T71] inet6_csk_route_req+0x4af/0x6e0 [ 113.609474][ T71] tcp_conn_request+0xa5d/0x2d10 [ 113.609474][ T71] tcp_rcv_state_process+0x453/0x1fe0 [ 113.609474][ T71] tcp_v6_do_rcv+0x343/0x12f0 [ 113.609474][ T71] tcp_v6_rcv+0x2166/0x2540 [ 113.609474][ T71] ip6_protocol_deliver_rcu+0x125/0x1270 [ 113.609474][ T71] ip6_input+0x165/0x2b0 [ 113.609474][ T71] [ 113.612027][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 8193/8580 users at [ 113.612027][ T71] netdev_get_by_index+0x5e/0x80 [ 113.612027][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.612027][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.612027][ T71] ip6_route_add+0x1c/0x140 [ 113.612027][ T71] inet6_rtm_newroute+0x104/0x110 [ 113.612027][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.612027][ T71] netlink_rcv_skb+0x130/0x360 [ 113.612027][ T71] netlink_unicast+0x449/0x710 [ 113.612027][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.612027][ T71] __sys_sendto+0x37d/0x410 [ 113.612027][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.612027][ T71] do_syscall_64+0xc6/0x1e0 [ 113.612027][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.612027][ T71] [ 113.614114][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 4/8580 users at [ 113.614114][ T71] dst_init+0x84/0x4a0 [ 113.614114][ T71] dst_alloc+0x97/0x150 [ 113.614114][ T71] ip6_dst_alloc+0x23/0x90 [ 113.614114][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.614114][ T71] ip6_pol_route+0x56f/0x840 [ 113.614114][ T71] fib6_rule_lookup+0x456/0x630 [ 113.614114][ T71] ip6_route_input+0x59c/0xa40 [ 113.614114][ T71] ipv6_rcv+0x184/0x520 [ 113.614114][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.614114][ T71] process_backlog+0x101/0x620 [ 113.614114][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 113.614114][ T71] net_rx_action+0x495/0xbe0 [ 113.614114][ T71] __do_softirq+0x1b5/0x7f6 [ 113.614114][ T71] [ 113.616188][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 113.616188][ T71] netdev_get_by_index+0x5e/0x80 [ 113.616188][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.616188][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.616188][ T71] ip6_route_add+0x1c/0x140 [ 113.616188][ T71] addrconf_prefix_route+0x2a6/0x430 [ 113.616188][ T71] inet6_addr_add+0x4f8/0xa40 [ 113.616188][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 113.616188][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.616188][ T71] netlink_rcv_skb+0x130/0x360 [ 113.616188][ T71] netlink_unicast+0x449/0x710 [ 113.616188][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.616188][ T71] __sys_sendto+0x37d/0x410 [ 113.616188][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.616188][ T71] do_syscall_64+0xc6/0x1e0 [ 113.616188][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.616188][ T71] [ 113.619094][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 113.619094][ T71] netdev_get_by_index+0x5e/0x80 [ 113.619094][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.619094][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.619094][ T71] addrconf_f6i_alloc+0x315/0x560 [ 113.619094][ T71] ipv6_add_addr+0x411/0x2000 [ 113.619094][ T71] inet6_addr_add+0x30e/0xa40 [ 113.619094][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 113.619094][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.619094][ T71] netlink_rcv_skb+0x130/0x360 [ 113.619094][ T71] netlink_unicast+0x449/0x710 [ 113.619094][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.619094][ T71] __sys_sendto+0x37d/0x410 [ 113.619094][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.619094][ T71] do_syscall_64+0xc6/0x1e0 [ 113.619094][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.619094][ T71] [ 113.621565][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 113.621565][ T71] netdev_get_by_index+0x5e/0x80 [ 113.621565][ T71] fib6_nh_init+0x3d8/0x15b0 [ 113.621565][ T71] ip6_route_info_create+0xf18/0x17d0 [ 113.621565][ T71] ip6_route_add+0x1c/0x140 [ 113.621565][ T71] addrconf_add_mroute+0x1ac/0x2c0 [ 113.621565][ T71] addrconf_add_dev+0xe2/0x170 [ 113.621565][ T71] inet6_addr_add+0x12f/0xa40 [ 113.621565][ T71] inet6_rtm_newaddr+0x560/0x6b0 [ 113.621565][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.621565][ T71] netlink_rcv_skb+0x130/0x360 [ 113.621565][ T71] netlink_unicast+0x449/0x710 [ 113.621565][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.621565][ T71] __sys_sendto+0x37d/0x410 [ 113.621565][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.621565][ T71] do_syscall_64+0xc6/0x1e0 [ 113.621565][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.621565][ T71] [ 113.624164][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 113.624164][ T71] ipv6_add_dev+0x3ba/0x11c0 [ 113.624164][ T71] ipv6_find_idev+0x102/0x170 [ 113.624164][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.624164][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.624164][ T71] netlink_rcv_skb+0x130/0x360 [ 113.624164][ T71] netlink_unicast+0x449/0x710 [ 113.624164][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.624164][ T71] __sys_sendto+0x37d/0x410 [ 113.624164][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.624164][ T71] do_syscall_64+0xc6/0x1e0 [ 113.624164][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.624164][ T71] [ 113.625924][ T71] ref_tracker: ktst-veth@ffff888005d895b8 has 1/8580 users at [ 113.625924][ T71] neigh_parms_alloc+0x1e5/0x510 [ 113.625924][ T71] ipv6_add_dev+0x2fe/0x11c0 [ 113.625924][ T71] ipv6_find_idev+0x102/0x170 [ 113.625924][ T71] inet6_rtm_newaddr+0x37c/0x6b0 [ 113.625924][ T71] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 113.625924][ T71] netlink_rcv_skb+0x130/0x360 [ 113.625924][ T71] netlink_unicast+0x449/0x710 [ 113.625924][ T71] netlink_sendmsg+0x723/0xbe0 [ 113.625924][ T71] __sys_sendto+0x37d/0x410 [ 113.625924][ T71] __x64_sys_sendto+0xe0/0x1c0 [ 113.625924][ T71] do_syscall_64+0xc6/0x1e0 [ 113.625924][ T71] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.625924][ T71] [ 113.628149][ T71] unregister_netdevice: waiting for lo to become free. Usage count = 397 [ 113.628504][ T71] ref_tracker: lo@ffff8880059945b8 has 396/396 users at [ 113.628504][ T71] dst_init+0x84/0x4a0 [ 113.628504][ T71] dst_alloc+0x97/0x150 [ 113.628504][ T71] ip6_dst_alloc+0x23/0x90 [ 113.628504][ T71] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 113.628504][ T71] ip6_pol_route+0x56f/0x840 [ 113.628504][ T71] fib6_rule_lookup+0x456/0x630 [ 113.628504][ T71] ip6_route_input+0x59c/0xa40 [ 113.628504][ T71] ipv6_rcv+0x184/0x520 [ 113.628504][ T71] __netif_receive_skb_one_core+0x118/0x1b0 [ 113.628504][ T71] process_backlog+0x101/0x620 [ 113.628504][ T71] __napi_poll.constprop.0+0xa2/0x460 [ 113.628504][ T71] net_rx_action+0x495/0xbe0 [ 113.628504][ T71] __do_softirq+0x1b5/0x7f6 [ 113.628504][ T71]