[ 7226.150694][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7226.151170][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7226.151170][ T1076] netdev_get_by_index+0x5e/0x80 [ 7226.151170][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7226.151170][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7226.151170][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7226.151170][ T1076] ipv6_add_addr+0x411/0x2000 [ 7226.151170][ T1076] inet6_addr_add+0x30e/0xa40 [ 7226.151170][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7226.151170][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.151170][ T1076] netlink_rcv_skb+0x130/0x360 [ 7226.151170][ T1076] netlink_unicast+0x449/0x710 [ 7226.151170][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7226.151170][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7226.151170][ T1076] ___sys_sendmsg+0xee/0x170 [ 7226.151170][ T1076] __sys_sendmsg+0xcd/0x170 [ 7226.151170][ T1076] do_syscall_64+0xc6/0x1e0 [ 7226.151170][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.151170][ T1076] [ 7226.153483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7226.153483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7226.153483][ T1076] ipv6_find_idev+0x102/0x170 [ 7226.153483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.153483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.153483][ T1076] netlink_rcv_skb+0x130/0x360 [ 7226.153483][ T1076] netlink_unicast+0x449/0x710 [ 7226.153483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7226.153483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7226.153483][ T1076] ___sys_sendmsg+0xee/0x170 [ 7226.153483][ T1076] __sys_sendmsg+0xcd/0x170 [ 7226.153483][ T1076] do_syscall_64+0xc6/0x1e0 [ 7226.153483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.153483][ T1076] [ 7226.155266][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7226.155266][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7226.155266][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7226.155266][ T1076] ipv6_find_idev+0x102/0x170 [ 7226.155266][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7226.155266][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7226.155266][ T1076] netlink_rcv_skb+0x130/0x360 [ 7226.155266][ T1076] netlink_unicast+0x449/0x710 [ 7226.155266][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7226.155266][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7226.155266][ T1076] ___sys_sendmsg+0xee/0x170 [ 7226.155266][ T1076] __sys_sendmsg+0xcd/0x170 [ 7226.155266][ T1076] do_syscall_64+0xc6/0x1e0 [ 7226.155266][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7226.155266][ T1076] [ 7236.333705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7236.334148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7236.334148][ T1076] netdev_get_by_index+0x5e/0x80 [ 7236.334148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7236.334148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7236.334148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7236.334148][ T1076] ipv6_add_addr+0x411/0x2000 [ 7236.334148][ T1076] inet6_addr_add+0x30e/0xa40 [ 7236.334148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7236.334148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7236.334148][ T1076] netlink_rcv_skb+0x130/0x360 [ 7236.334148][ T1076] netlink_unicast+0x449/0x710 [ 7236.334148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7236.334148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7236.334148][ T1076] ___sys_sendmsg+0xee/0x170 [ 7236.334148][ T1076] __sys_sendmsg+0xcd/0x170 [ 7236.334148][ T1076] do_syscall_64+0xc6/0x1e0 [ 7236.334148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7236.334148][ T1076] [ 7236.336567][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7236.336567][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7236.336567][ T1076] ipv6_find_idev+0x102/0x170 [ 7236.336567][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7236.336567][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7236.336567][ T1076] netlink_rcv_skb+0x130/0x360 [ 7236.336567][ T1076] netlink_unicast+0x449/0x710 [ 7236.336567][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7236.336567][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7236.336567][ T1076] ___sys_sendmsg+0xee/0x170 [ 7236.336567][ T1076] __sys_sendmsg+0xcd/0x170 [ 7236.336567][ T1076] do_syscall_64+0xc6/0x1e0 [ 7236.336567][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7236.336567][ T1076] [ 7236.338402][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7236.338402][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7236.338402][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7236.338402][ T1076] ipv6_find_idev+0x102/0x170 [ 7236.338402][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7236.338402][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7236.338402][ T1076] netlink_rcv_skb+0x130/0x360 [ 7236.338402][ T1076] netlink_unicast+0x449/0x710 [ 7236.338402][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7236.338402][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7236.338402][ T1076] ___sys_sendmsg+0xee/0x170 [ 7236.338402][ T1076] __sys_sendmsg+0xcd/0x170 [ 7236.338402][ T1076] do_syscall_64+0xc6/0x1e0 [ 7236.338402][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7236.338402][ T1076] [ 7244.677725][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7244.678218][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7244.678218][ T73] dst_init+0x84/0x4a0 [ 7244.678218][ T73] dst_alloc+0x97/0x150 [ 7244.678218][ T73] ip6_dst_alloc+0x23/0x90 [ 7244.678218][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7244.678218][ T73] ip6_pol_route+0x56f/0x840 [ 7244.678218][ T73] fib6_rule_lookup+0x456/0x630 [ 7244.678218][ T73] ip6_route_input+0x59c/0xa50 [ 7244.678218][ T73] ipv6_rcv+0x397/0x810 [ 7244.678218][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7244.678218][ T73] process_backlog+0x101/0x620 [ 7244.678218][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7244.678218][ T73] net_rx_action+0x495/0xbe0 [ 7244.678218][ T73] __do_softirq+0x1b5/0x7f6 [ 7244.678218][ T73] [ 7244.680383][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7244.680383][ T73] netdev_get_by_index+0x5e/0x80 [ 7244.680383][ T73] fib6_nh_init+0x3d8/0x1580 [ 7244.680383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7244.680383][ T73] ip6_route_add+0x1c/0x140 [ 7244.680383][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7244.680383][ T73] inet6_addr_add+0x4f8/0xa40 [ 7244.680383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.680383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.680383][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.680383][ T73] netlink_unicast+0x449/0x710 [ 7244.680383][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.680383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.680383][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.680383][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.680383][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.680383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.680383][ T73] [ 7244.682519][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7244.682519][ T73] netdev_get_by_index+0x5e/0x80 [ 7244.682519][ T73] fib6_nh_init+0x3d8/0x1580 [ 7244.682519][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7244.682519][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7244.682519][ T73] ipv6_add_addr+0x411/0x2000 [ 7244.682519][ T73] inet6_addr_add+0x30e/0xa40 [ 7244.682519][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.682519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.682519][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.682519][ T73] netlink_unicast+0x449/0x710 [ 7244.682519][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.682519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.682519][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.682519][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.682519][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.682519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.682519][ T73] [ 7244.684631][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7244.684631][ T73] netdev_get_by_index+0x5e/0x80 [ 7244.684631][ T73] fib6_nh_init+0x3d8/0x1580 [ 7244.684631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7244.684631][ T73] ip6_route_add+0x1c/0x140 [ 7244.684631][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7244.684631][ T73] addrconf_add_dev+0xe2/0x170 [ 7244.684631][ T73] inet6_addr_add+0x12f/0xa40 [ 7244.684631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.684631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.684631][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.684631][ T73] netlink_unicast+0x449/0x710 [ 7244.684631][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.684631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.684631][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.684631][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.684631][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.684631][ T73] [ 7244.686644][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7244.686644][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7244.686644][ T73] ipv6_find_idev+0x102/0x170 [ 7244.686644][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7244.686644][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.686644][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.686644][ T73] netlink_unicast+0x449/0x710 [ 7244.686644][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.686644][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.686644][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.686644][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.686644][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.686644][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.686644][ T73] [ 7244.688199][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7244.688199][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7244.688199][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7244.688199][ T73] ipv6_find_idev+0x102/0x170 [ 7244.688199][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7244.688199][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.688199][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.688199][ T73] netlink_unicast+0x449/0x710 [ 7244.688199][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.688199][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.688199][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.688199][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.688199][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.688199][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.688199][ T73] [ 7244.689930][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7244.690304][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7244.690304][ T73] dst_init+0x84/0x4a0 [ 7244.690304][ T73] dst_alloc+0x97/0x150 [ 7244.690304][ T73] ip6_dst_alloc+0x23/0x90 [ 7244.690304][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7244.690304][ T73] ip6_pol_route+0x56f/0x840 [ 7244.690304][ T73] fib6_rule_lookup+0x456/0x630 [ 7244.690304][ T73] ip6_route_input+0x59c/0xa50 [ 7244.690304][ T73] ipv6_rcv+0x397/0x810 [ 7244.690304][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7244.690304][ T73] process_backlog+0x101/0x620 [ 7244.690304][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7244.690304][ T73] net_rx_action+0x495/0xbe0 [ 7244.690304][ T73] __do_softirq+0x1b5/0x7f6 [ 7244.690304][ T73] [ 7244.692025][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7244.692025][ T73] netdev_get_by_index+0x5e/0x80 [ 7244.692025][ T73] fib6_nh_init+0x3d8/0x1580 [ 7244.692025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7244.692025][ T73] ip6_route_add+0x1c/0x140 [ 7244.692025][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7244.692025][ T73] inet6_addr_add+0x4f8/0xa40 [ 7244.692025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.692025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.692025][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.692025][ T73] netlink_unicast+0x449/0x710 [ 7244.692025][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.692025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.692025][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.692025][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.692025][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.692025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.692025][ T73] [ 7244.694310][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7244.694310][ T73] netdev_get_by_index+0x5e/0x80 [ 7244.694310][ T73] fib6_nh_init+0x3d8/0x1580 [ 7244.694310][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7244.694310][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7244.694310][ T73] ipv6_add_addr+0x411/0x2000 [ 7244.694310][ T73] inet6_addr_add+0x30e/0xa40 [ 7244.694310][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.694310][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.694310][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.694310][ T73] netlink_unicast+0x449/0x710 [ 7244.694310][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.694310][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.694310][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.694310][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.694310][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.694310][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.694310][ T73] [ 7244.696529][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7244.696529][ T73] netdev_get_by_index+0x5e/0x80 [ 7244.696529][ T73] fib6_nh_init+0x3d8/0x1580 [ 7244.696529][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7244.696529][ T73] ip6_route_add+0x1c/0x140 [ 7244.696529][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7244.696529][ T73] addrconf_add_dev+0xe2/0x170 [ 7244.696529][ T73] inet6_addr_add+0x12f/0xa40 [ 7244.696529][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7244.696529][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.696529][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.696529][ T73] netlink_unicast+0x449/0x710 [ 7244.696529][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.696529][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.696529][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.696529][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.696529][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.696529][ T73] [ 7244.698755][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7244.698755][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7244.698755][ T73] ipv6_find_idev+0x102/0x170 [ 7244.698755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7244.698755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.698755][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.698755][ T73] netlink_unicast+0x449/0x710 [ 7244.698755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.698755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.698755][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.698755][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.698755][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.698755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.698755][ T73] [ 7244.700537][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7244.700537][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7244.700537][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7244.700537][ T73] ipv6_find_idev+0x102/0x170 [ 7244.700537][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7244.700537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7244.700537][ T73] netlink_rcv_skb+0x130/0x360 [ 7244.700537][ T73] netlink_unicast+0x449/0x710 [ 7244.700537][ T73] netlink_sendmsg+0x723/0xbe0 [ 7244.700537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7244.700537][ T73] ___sys_sendmsg+0xee/0x170 [ 7244.700537][ T73] __sys_sendmsg+0xcd/0x170 [ 7244.700537][ T73] do_syscall_64+0xc6/0x1e0 [ 7244.700537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7244.700537][ T73] [ 7246.461744][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7246.462260][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7246.462260][ T1076] netdev_get_by_index+0x5e/0x80 [ 7246.462260][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7246.462260][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7246.462260][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7246.462260][ T1076] ipv6_add_addr+0x411/0x2000 [ 7246.462260][ T1076] inet6_addr_add+0x30e/0xa40 [ 7246.462260][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7246.462260][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.462260][ T1076] netlink_rcv_skb+0x130/0x360 [ 7246.462260][ T1076] netlink_unicast+0x449/0x710 [ 7246.462260][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7246.462260][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7246.462260][ T1076] ___sys_sendmsg+0xee/0x170 [ 7246.462260][ T1076] __sys_sendmsg+0xcd/0x170 [ 7246.462260][ T1076] do_syscall_64+0xc6/0x1e0 [ 7246.462260][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.462260][ T1076] [ 7246.464826][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7246.464826][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7246.464826][ T1076] ipv6_find_idev+0x102/0x170 [ 7246.464826][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7246.464826][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.464826][ T1076] netlink_rcv_skb+0x130/0x360 [ 7246.464826][ T1076] netlink_unicast+0x449/0x710 [ 7246.464826][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7246.464826][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7246.464826][ T1076] ___sys_sendmsg+0xee/0x170 [ 7246.464826][ T1076] __sys_sendmsg+0xcd/0x170 [ 7246.464826][ T1076] do_syscall_64+0xc6/0x1e0 [ 7246.464826][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.464826][ T1076] [ 7246.466801][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7246.466801][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7246.466801][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7246.466801][ T1076] ipv6_find_idev+0x102/0x170 [ 7246.466801][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7246.466801][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7246.466801][ T1076] netlink_rcv_skb+0x130/0x360 [ 7246.466801][ T1076] netlink_unicast+0x449/0x710 [ 7246.466801][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7246.466801][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7246.466801][ T1076] ___sys_sendmsg+0xee/0x170 [ 7246.466801][ T1076] __sys_sendmsg+0xcd/0x170 [ 7246.466801][ T1076] do_syscall_64+0xc6/0x1e0 [ 7246.466801][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7246.466801][ T1076] [ 7254.813686][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7254.814280][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7254.814280][ T73] dst_init+0x84/0x4a0 [ 7254.814280][ T73] dst_alloc+0x97/0x150 [ 7254.814280][ T73] ip6_dst_alloc+0x23/0x90 [ 7254.814280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7254.814280][ T73] ip6_pol_route+0x56f/0x840 [ 7254.814280][ T73] fib6_rule_lookup+0x456/0x630 [ 7254.814280][ T73] ip6_route_input+0x59c/0xa50 [ 7254.814280][ T73] ipv6_rcv+0x397/0x810 [ 7254.814280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7254.814280][ T73] process_backlog+0x101/0x620 [ 7254.814280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7254.814280][ T73] net_rx_action+0x495/0xbe0 [ 7254.814280][ T73] __do_softirq+0x1b5/0x7f6 [ 7254.814280][ T73] [ 7254.816976][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7254.816976][ T73] netdev_get_by_index+0x5e/0x80 [ 7254.816976][ T73] fib6_nh_init+0x3d8/0x1580 [ 7254.816976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7254.816976][ T73] ip6_route_add+0x1c/0x140 [ 7254.816976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7254.816976][ T73] inet6_addr_add+0x4f8/0xa40 [ 7254.816976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.816976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.816976][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.816976][ T73] netlink_unicast+0x449/0x710 [ 7254.816976][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.816976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.816976][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.816976][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.816976][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.816976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.816976][ T73] [ 7254.820268][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7254.820268][ T73] netdev_get_by_index+0x5e/0x80 [ 7254.820268][ T73] fib6_nh_init+0x3d8/0x1580 [ 7254.820268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7254.820268][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7254.820268][ T73] ipv6_add_addr+0x411/0x2000 [ 7254.820268][ T73] inet6_addr_add+0x30e/0xa40 [ 7254.820268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.820268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.820268][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.820268][ T73] netlink_unicast+0x449/0x710 [ 7254.820268][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.820268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.820268][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.820268][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.820268][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.820268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.820268][ T73] [ 7254.823445][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7254.823445][ T73] netdev_get_by_index+0x5e/0x80 [ 7254.823445][ T73] fib6_nh_init+0x3d8/0x1580 [ 7254.823445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7254.823445][ T73] ip6_route_add+0x1c/0x140 [ 7254.823445][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7254.823445][ T73] addrconf_add_dev+0xe2/0x170 [ 7254.823445][ T73] inet6_addr_add+0x12f/0xa40 [ 7254.823445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.823445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.823445][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.823445][ T73] netlink_unicast+0x449/0x710 [ 7254.823445][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.823445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.823445][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.823445][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.823445][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.823445][ T73] [ 7254.826582][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7254.826582][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7254.826582][ T73] ipv6_find_idev+0x102/0x170 [ 7254.826582][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7254.826582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.826582][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.826582][ T73] netlink_unicast+0x449/0x710 [ 7254.826582][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.826582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.826582][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.826582][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.826582][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.826582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.826582][ T73] [ 7254.828987][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7254.828987][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7254.828987][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7254.828987][ T73] ipv6_find_idev+0x102/0x170 [ 7254.828987][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7254.828987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.828987][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.828987][ T73] netlink_unicast+0x449/0x710 [ 7254.828987][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.828987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.828987][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.828987][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.828987][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.828987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.828987][ T73] [ 7254.831541][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7254.831928][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7254.831928][ T73] dst_init+0x84/0x4a0 [ 7254.831928][ T73] dst_alloc+0x97/0x150 [ 7254.831928][ T73] ip6_dst_alloc+0x23/0x90 [ 7254.831928][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7254.831928][ T73] ip6_pol_route+0x56f/0x840 [ 7254.831928][ T73] fib6_rule_lookup+0x456/0x630 [ 7254.831928][ T73] ip6_route_input+0x59c/0xa50 [ 7254.831928][ T73] ipv6_rcv+0x397/0x810 [ 7254.831928][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7254.831928][ T73] process_backlog+0x101/0x620 [ 7254.831928][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7254.831928][ T73] net_rx_action+0x495/0xbe0 [ 7254.831928][ T73] __do_softirq+0x1b5/0x7f6 [ 7254.831928][ T73] [ 7254.834478][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7254.834478][ T73] netdev_get_by_index+0x5e/0x80 [ 7254.834478][ T73] fib6_nh_init+0x3d8/0x1580 [ 7254.834478][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7254.834478][ T73] ip6_route_add+0x1c/0x140 [ 7254.834478][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7254.834478][ T73] inet6_addr_add+0x4f8/0xa40 [ 7254.834478][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.834478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.834478][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.834478][ T73] netlink_unicast+0x449/0x710 [ 7254.834478][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.834478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.834478][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.834478][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.834478][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.834478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.834478][ T73] [ 7254.837706][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7254.837706][ T73] netdev_get_by_index+0x5e/0x80 [ 7254.837706][ T73] fib6_nh_init+0x3d8/0x1580 [ 7254.837706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7254.837706][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7254.837706][ T73] ipv6_add_addr+0x411/0x2000 [ 7254.837706][ T73] inet6_addr_add+0x30e/0xa40 [ 7254.837706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.837706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.837706][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.837706][ T73] netlink_unicast+0x449/0x710 [ 7254.837706][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.837706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.837706][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.837706][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.837706][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.837706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.837706][ T73] [ 7254.840889][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7254.840889][ T73] netdev_get_by_index+0x5e/0x80 [ 7254.840889][ T73] fib6_nh_init+0x3d8/0x1580 [ 7254.840889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7254.840889][ T73] ip6_route_add+0x1c/0x140 [ 7254.840889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7254.840889][ T73] addrconf_add_dev+0xe2/0x170 [ 7254.840889][ T73] inet6_addr_add+0x12f/0xa40 [ 7254.840889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7254.840889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.840889][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.840889][ T73] netlink_unicast+0x449/0x710 [ 7254.840889][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.840889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.840889][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.840889][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.840889][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.840889][ T73] [ 7254.844038][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7254.844038][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7254.844038][ T73] ipv6_find_idev+0x102/0x170 [ 7254.844038][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7254.844038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.844038][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.844038][ T73] netlink_unicast+0x449/0x710 [ 7254.844038][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.844038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.844038][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.844038][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.844038][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.844038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.844038][ T73] [ 7254.846521][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7254.846521][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7254.846521][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7254.846521][ T73] ipv6_find_idev+0x102/0x170 [ 7254.846521][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7254.846521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7254.846521][ T73] netlink_rcv_skb+0x130/0x360 [ 7254.846521][ T73] netlink_unicast+0x449/0x710 [ 7254.846521][ T73] netlink_sendmsg+0x723/0xbe0 [ 7254.846521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7254.846521][ T73] ___sys_sendmsg+0xee/0x170 [ 7254.846521][ T73] __sys_sendmsg+0xcd/0x170 [ 7254.846521][ T73] do_syscall_64+0xc6/0x1e0 [ 7254.846521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7254.846521][ T73] [ 7256.717722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7256.718230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7256.718230][ T1076] netdev_get_by_index+0x5e/0x80 [ 7256.718230][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7256.718230][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7256.718230][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7256.718230][ T1076] ipv6_add_addr+0x411/0x2000 [ 7256.718230][ T1076] inet6_addr_add+0x30e/0xa40 [ 7256.718230][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7256.718230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.718230][ T1076] netlink_rcv_skb+0x130/0x360 [ 7256.718230][ T1076] netlink_unicast+0x449/0x710 [ 7256.718230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7256.718230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7256.718230][ T1076] ___sys_sendmsg+0xee/0x170 [ 7256.718230][ T1076] __sys_sendmsg+0xcd/0x170 [ 7256.718230][ T1076] do_syscall_64+0xc6/0x1e0 [ 7256.718230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.718230][ T1076] [ 7256.720813][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7256.720813][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7256.720813][ T1076] ipv6_find_idev+0x102/0x170 [ 7256.720813][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7256.720813][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.720813][ T1076] netlink_rcv_skb+0x130/0x360 [ 7256.720813][ T1076] netlink_unicast+0x449/0x710 [ 7256.720813][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7256.720813][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7256.720813][ T1076] ___sys_sendmsg+0xee/0x170 [ 7256.720813][ T1076] __sys_sendmsg+0xcd/0x170 [ 7256.720813][ T1076] do_syscall_64+0xc6/0x1e0 [ 7256.720813][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.720813][ T1076] [ 7256.722783][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7256.722783][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7256.722783][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7256.722783][ T1076] ipv6_find_idev+0x102/0x170 [ 7256.722783][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7256.722783][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7256.722783][ T1076] netlink_rcv_skb+0x130/0x360 [ 7256.722783][ T1076] netlink_unicast+0x449/0x710 [ 7256.722783][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7256.722783][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7256.722783][ T1076] ___sys_sendmsg+0xee/0x170 [ 7256.722783][ T1076] __sys_sendmsg+0xcd/0x170 [ 7256.722783][ T1076] do_syscall_64+0xc6/0x1e0 [ 7256.722783][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7256.722783][ T1076] [ 7265.085766][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7265.086207][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7265.086207][ T73] dst_init+0x84/0x4a0 [ 7265.086207][ T73] dst_alloc+0x97/0x150 [ 7265.086207][ T73] ip6_dst_alloc+0x23/0x90 [ 7265.086207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7265.086207][ T73] ip6_pol_route+0x56f/0x840 [ 7265.086207][ T73] fib6_rule_lookup+0x456/0x630 [ 7265.086207][ T73] ip6_route_input+0x59c/0xa50 [ 7265.086207][ T73] ipv6_rcv+0x397/0x810 [ 7265.086207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7265.086207][ T73] process_backlog+0x101/0x620 [ 7265.086207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7265.086207][ T73] net_rx_action+0x495/0xbe0 [ 7265.086207][ T73] __do_softirq+0x1b5/0x7f6 [ 7265.086207][ T73] [ 7265.087909][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7265.087909][ T73] netdev_get_by_index+0x5e/0x80 [ 7265.087909][ T73] fib6_nh_init+0x3d8/0x1580 [ 7265.087909][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7265.087909][ T73] ip6_route_add+0x1c/0x140 [ 7265.087909][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7265.087909][ T73] inet6_addr_add+0x4f8/0xa40 [ 7265.087909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.087909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.087909][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.087909][ T73] netlink_unicast+0x449/0x710 [ 7265.087909][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.087909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.087909][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.087909][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.087909][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.087909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.087909][ T73] [ 7265.089939][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7265.089939][ T73] netdev_get_by_index+0x5e/0x80 [ 7265.089939][ T73] fib6_nh_init+0x3d8/0x1580 [ 7265.089939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7265.089939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7265.089939][ T73] ipv6_add_addr+0x411/0x2000 [ 7265.089939][ T73] inet6_addr_add+0x30e/0xa40 [ 7265.089939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.089939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.089939][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.089939][ T73] netlink_unicast+0x449/0x710 [ 7265.089939][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.089939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.089939][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.089939][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.089939][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.089939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.089939][ T73] [ 7265.091964][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7265.091964][ T73] netdev_get_by_index+0x5e/0x80 [ 7265.091964][ T73] fib6_nh_init+0x3d8/0x1580 [ 7265.091964][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7265.091964][ T73] ip6_route_add+0x1c/0x140 [ 7265.091964][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7265.091964][ T73] addrconf_add_dev+0xe2/0x170 [ 7265.091964][ T73] inet6_addr_add+0x12f/0xa40 [ 7265.091964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.091964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.091964][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.091964][ T73] netlink_unicast+0x449/0x710 [ 7265.091964][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.091964][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.091964][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.091964][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.091964][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.091964][ T73] [ 7265.093952][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7265.093952][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7265.093952][ T73] ipv6_find_idev+0x102/0x170 [ 7265.093952][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7265.093952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.093952][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.093952][ T73] netlink_unicast+0x449/0x710 [ 7265.093952][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.093952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.093952][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.093952][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.093952][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.093952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.093952][ T73] [ 7265.095510][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7265.095510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7265.095510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7265.095510][ T73] ipv6_find_idev+0x102/0x170 [ 7265.095510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7265.095510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.095510][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.095510][ T73] netlink_unicast+0x449/0x710 [ 7265.095510][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.095510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.095510][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.095510][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.095510][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.095510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.095510][ T73] [ 7265.097220][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7265.097468][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7265.097468][ T73] dst_init+0x84/0x4a0 [ 7265.097468][ T73] dst_alloc+0x97/0x150 [ 7265.097468][ T73] ip6_dst_alloc+0x23/0x90 [ 7265.097468][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7265.097468][ T73] ip6_pol_route+0x56f/0x840 [ 7265.097468][ T73] fib6_rule_lookup+0x456/0x630 [ 7265.097468][ T73] ip6_route_input+0x59c/0xa50 [ 7265.097468][ T73] ipv6_rcv+0x397/0x810 [ 7265.097468][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7265.097468][ T73] process_backlog+0x101/0x620 [ 7265.097468][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7265.097468][ T73] net_rx_action+0x495/0xbe0 [ 7265.097468][ T73] __do_softirq+0x1b5/0x7f6 [ 7265.097468][ T73] [ 7265.099129][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7265.099129][ T73] netdev_get_by_index+0x5e/0x80 [ 7265.099129][ T73] fib6_nh_init+0x3d8/0x1580 [ 7265.099129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7265.099129][ T73] ip6_route_add+0x1c/0x140 [ 7265.099129][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7265.099129][ T73] inet6_addr_add+0x4f8/0xa40 [ 7265.099129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.099129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.099129][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.099129][ T73] netlink_unicast+0x449/0x710 [ 7265.099129][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.099129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.099129][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.099129][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.099129][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.099129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.099129][ T73] [ 7265.101155][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7265.101155][ T73] netdev_get_by_index+0x5e/0x80 [ 7265.101155][ T73] fib6_nh_init+0x3d8/0x1580 [ 7265.101155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7265.101155][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7265.101155][ T73] ipv6_add_addr+0x411/0x2000 [ 7265.101155][ T73] inet6_addr_add+0x30e/0xa40 [ 7265.101155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.101155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.101155][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.101155][ T73] netlink_unicast+0x449/0x710 [ 7265.101155][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.101155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.101155][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.101155][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.101155][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.101155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.101155][ T73] [ 7265.103177][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7265.103177][ T73] netdev_get_by_index+0x5e/0x80 [ 7265.103177][ T73] fib6_nh_init+0x3d8/0x1580 [ 7265.103177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7265.103177][ T73] ip6_route_add+0x1c/0x140 [ 7265.103177][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7265.103177][ T73] addrconf_add_dev+0xe2/0x170 [ 7265.103177][ T73] inet6_addr_add+0x12f/0xa40 [ 7265.103177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7265.103177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.103177][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.103177][ T73] netlink_unicast+0x449/0x710 [ 7265.103177][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.103177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.103177][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.103177][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.103177][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.103177][ T73] [ 7265.105175][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7265.105175][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7265.105175][ T73] ipv6_find_idev+0x102/0x170 [ 7265.105175][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7265.105175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.105175][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.105175][ T73] netlink_unicast+0x449/0x710 [ 7265.105175][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.105175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.105175][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.105175][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.105175][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.105175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.105175][ T73] [ 7265.106742][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7265.106742][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7265.106742][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7265.106742][ T73] ipv6_find_idev+0x102/0x170 [ 7265.106742][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7265.106742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7265.106742][ T73] netlink_rcv_skb+0x130/0x360 [ 7265.106742][ T73] netlink_unicast+0x449/0x710 [ 7265.106742][ T73] netlink_sendmsg+0x723/0xbe0 [ 7265.106742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7265.106742][ T73] ___sys_sendmsg+0xee/0x170 [ 7265.106742][ T73] __sys_sendmsg+0xcd/0x170 [ 7265.106742][ T73] do_syscall_64+0xc6/0x1e0 [ 7265.106742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7265.106742][ T73] [ 7266.973777][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7266.974278][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7266.974278][ T1076] netdev_get_by_index+0x5e/0x80 [ 7266.974278][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7266.974278][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7266.974278][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7266.974278][ T1076] ipv6_add_addr+0x411/0x2000 [ 7266.974278][ T1076] inet6_addr_add+0x30e/0xa40 [ 7266.974278][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7266.974278][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.974278][ T1076] netlink_rcv_skb+0x130/0x360 [ 7266.974278][ T1076] netlink_unicast+0x449/0x710 [ 7266.974278][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7266.974278][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7266.974278][ T1076] ___sys_sendmsg+0xee/0x170 [ 7266.974278][ T1076] __sys_sendmsg+0xcd/0x170 [ 7266.974278][ T1076] do_syscall_64+0xc6/0x1e0 [ 7266.974278][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.974278][ T1076] [ 7266.976820][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7266.976820][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7266.976820][ T1076] ipv6_find_idev+0x102/0x170 [ 7266.976820][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7266.976820][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.976820][ T1076] netlink_rcv_skb+0x130/0x360 [ 7266.976820][ T1076] netlink_unicast+0x449/0x710 [ 7266.976820][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7266.976820][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7266.976820][ T1076] ___sys_sendmsg+0xee/0x170 [ 7266.976820][ T1076] __sys_sendmsg+0xcd/0x170 [ 7266.976820][ T1076] do_syscall_64+0xc6/0x1e0 [ 7266.976820][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.976820][ T1076] [ 7266.978775][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7266.978775][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7266.978775][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7266.978775][ T1076] ipv6_find_idev+0x102/0x170 [ 7266.978775][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7266.978775][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7266.978775][ T1076] netlink_rcv_skb+0x130/0x360 [ 7266.978775][ T1076] netlink_unicast+0x449/0x710 [ 7266.978775][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7266.978775][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7266.978775][ T1076] ___sys_sendmsg+0xee/0x170 [ 7266.978775][ T1076] __sys_sendmsg+0xcd/0x170 [ 7266.978775][ T1076] do_syscall_64+0xc6/0x1e0 [ 7266.978775][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7266.978775][ T1076] [ 7275.349656][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7275.350090][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7275.350090][ T73] dst_init+0x84/0x4a0 [ 7275.350090][ T73] dst_alloc+0x97/0x150 [ 7275.350090][ T73] ip6_dst_alloc+0x23/0x90 [ 7275.350090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7275.350090][ T73] ip6_pol_route+0x56f/0x840 [ 7275.350090][ T73] fib6_rule_lookup+0x456/0x630 [ 7275.350090][ T73] ip6_route_input+0x59c/0xa50 [ 7275.350090][ T73] ipv6_rcv+0x397/0x810 [ 7275.350090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7275.350090][ T73] process_backlog+0x101/0x620 [ 7275.350090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7275.350090][ T73] net_rx_action+0x495/0xbe0 [ 7275.350090][ T73] __do_softirq+0x1b5/0x7f6 [ 7275.350090][ T73] [ 7275.351829][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7275.351829][ T73] netdev_get_by_index+0x5e/0x80 [ 7275.351829][ T73] fib6_nh_init+0x3d8/0x1580 [ 7275.351829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7275.351829][ T73] ip6_route_add+0x1c/0x140 [ 7275.351829][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7275.351829][ T73] inet6_addr_add+0x4f8/0xa40 [ 7275.351829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.351829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.351829][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.351829][ T73] netlink_unicast+0x449/0x710 [ 7275.351829][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.351829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.351829][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.351829][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.351829][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.351829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.351829][ T73] [ 7275.353858][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7275.353858][ T73] netdev_get_by_index+0x5e/0x80 [ 7275.353858][ T73] fib6_nh_init+0x3d8/0x1580 [ 7275.353858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7275.353858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7275.353858][ T73] ipv6_add_addr+0x411/0x2000 [ 7275.353858][ T73] inet6_addr_add+0x30e/0xa40 [ 7275.353858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.353858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.353858][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.353858][ T73] netlink_unicast+0x449/0x710 [ 7275.353858][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.353858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.353858][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.353858][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.353858][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.353858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.353858][ T73] [ 7275.355867][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7275.355867][ T73] netdev_get_by_index+0x5e/0x80 [ 7275.355867][ T73] fib6_nh_init+0x3d8/0x1580 [ 7275.355867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7275.355867][ T73] ip6_route_add+0x1c/0x140 [ 7275.355867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7275.355867][ T73] addrconf_add_dev+0xe2/0x170 [ 7275.355867][ T73] inet6_addr_add+0x12f/0xa40 [ 7275.355867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.355867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.355867][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.355867][ T73] netlink_unicast+0x449/0x710 [ 7275.355867][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.355867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.355867][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.355867][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.355867][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.355867][ T73] [ 7275.357833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7275.357833][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7275.357833][ T73] ipv6_find_idev+0x102/0x170 [ 7275.357833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7275.357833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.357833][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.357833][ T73] netlink_unicast+0x449/0x710 [ 7275.357833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.357833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.357833][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.357833][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.357833][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.357833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.357833][ T73] [ 7275.359385][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7275.359385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7275.359385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7275.359385][ T73] ipv6_find_idev+0x102/0x170 [ 7275.359385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7275.359385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.359385][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.359385][ T73] netlink_unicast+0x449/0x710 [ 7275.359385][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.359385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.359385][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.359385][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.359385][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.359385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.359385][ T73] [ 7275.361075][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7275.361324][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7275.361324][ T73] dst_init+0x84/0x4a0 [ 7275.361324][ T73] dst_alloc+0x97/0x150 [ 7275.361324][ T73] ip6_dst_alloc+0x23/0x90 [ 7275.361324][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7275.361324][ T73] ip6_pol_route+0x56f/0x840 [ 7275.361324][ T73] fib6_rule_lookup+0x456/0x630 [ 7275.361324][ T73] ip6_route_input+0x59c/0xa50 [ 7275.361324][ T73] ipv6_rcv+0x397/0x810 [ 7275.361324][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7275.361324][ T73] process_backlog+0x101/0x620 [ 7275.361324][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7275.361324][ T73] net_rx_action+0x495/0xbe0 [ 7275.361324][ T73] __do_softirq+0x1b5/0x7f6 [ 7275.361324][ T73] [ 7275.362953][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7275.362953][ T73] netdev_get_by_index+0x5e/0x80 [ 7275.362953][ T73] fib6_nh_init+0x3d8/0x1580 [ 7275.362953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7275.362953][ T73] ip6_route_add+0x1c/0x140 [ 7275.362953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7275.362953][ T73] inet6_addr_add+0x4f8/0xa40 [ 7275.362953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.362953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.362953][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.362953][ T73] netlink_unicast+0x449/0x710 [ 7275.362953][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.362953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.362953][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.362953][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.362953][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.362953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.362953][ T73] [ 7275.364958][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7275.364958][ T73] netdev_get_by_index+0x5e/0x80 [ 7275.364958][ T73] fib6_nh_init+0x3d8/0x1580 [ 7275.364958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7275.364958][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7275.364958][ T73] ipv6_add_addr+0x411/0x2000 [ 7275.364958][ T73] inet6_addr_add+0x30e/0xa40 [ 7275.364958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.364958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.364958][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.364958][ T73] netlink_unicast+0x449/0x710 [ 7275.364958][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.364958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.364958][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.364958][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.364958][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.364958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.364958][ T73] [ 7275.366955][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7275.366955][ T73] netdev_get_by_index+0x5e/0x80 [ 7275.366955][ T73] fib6_nh_init+0x3d8/0x1580 [ 7275.366955][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7275.366955][ T73] ip6_route_add+0x1c/0x140 [ 7275.366955][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7275.366955][ T73] addrconf_add_dev+0xe2/0x170 [ 7275.366955][ T73] inet6_addr_add+0x12f/0xa40 [ 7275.366955][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7275.366955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.366955][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.366955][ T73] netlink_unicast+0x449/0x710 [ 7275.366955][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.366955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.366955][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.366955][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.366955][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.366955][ T73] [ 7275.369867][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7275.369867][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7275.369867][ T73] ipv6_find_idev+0x102/0x170 [ 7275.369867][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7275.369867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.369867][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.369867][ T73] netlink_unicast+0x449/0x710 [ 7275.369867][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.369867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.369867][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.369867][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.369867][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.369867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.369867][ T73] [ 7275.372303][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7275.372303][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7275.372303][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7275.372303][ T73] ipv6_find_idev+0x102/0x170 [ 7275.372303][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7275.372303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7275.372303][ T73] netlink_rcv_skb+0x130/0x360 [ 7275.372303][ T73] netlink_unicast+0x449/0x710 [ 7275.372303][ T73] netlink_sendmsg+0x723/0xbe0 [ 7275.372303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7275.372303][ T73] ___sys_sendmsg+0xee/0x170 [ 7275.372303][ T73] __sys_sendmsg+0xcd/0x170 [ 7275.372303][ T73] do_syscall_64+0xc6/0x1e0 [ 7275.372303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7275.372303][ T73] [ 7277.229650][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7277.230211][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7277.230211][ T1076] netdev_get_by_index+0x5e/0x80 [ 7277.230211][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7277.230211][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7277.230211][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7277.230211][ T1076] ipv6_add_addr+0x411/0x2000 [ 7277.230211][ T1076] inet6_addr_add+0x30e/0xa40 [ 7277.230211][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7277.230211][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7277.230211][ T1076] netlink_rcv_skb+0x130/0x360 [ 7277.230211][ T1076] netlink_unicast+0x449/0x710 [ 7277.230211][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7277.230211][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7277.230211][ T1076] ___sys_sendmsg+0xee/0x170 [ 7277.230211][ T1076] __sys_sendmsg+0xcd/0x170 [ 7277.230211][ T1076] do_syscall_64+0xc6/0x1e0 [ 7277.230211][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7277.230211][ T1076] [ 7277.232958][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7277.232958][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7277.232958][ T1076] ipv6_find_idev+0x102/0x170 [ 7277.232958][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7277.232958][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7277.232958][ T1076] netlink_rcv_skb+0x130/0x360 [ 7277.232958][ T1076] netlink_unicast+0x449/0x710 [ 7277.232958][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7277.232958][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7277.232958][ T1076] ___sys_sendmsg+0xee/0x170 [ 7277.232958][ T1076] __sys_sendmsg+0xcd/0x170 [ 7277.232958][ T1076] do_syscall_64+0xc6/0x1e0 [ 7277.232958][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7277.232958][ T1076] [ 7277.235084][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7277.235084][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7277.235084][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7277.235084][ T1076] ipv6_find_idev+0x102/0x170 [ 7277.235084][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7277.235084][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7277.235084][ T1076] netlink_rcv_skb+0x130/0x360 [ 7277.235084][ T1076] netlink_unicast+0x449/0x710 [ 7277.235084][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7277.235084][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7277.235084][ T1076] ___sys_sendmsg+0xee/0x170 [ 7277.235084][ T1076] __sys_sendmsg+0xcd/0x170 [ 7277.235084][ T1076] do_syscall_64+0xc6/0x1e0 [ 7277.235084][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7277.235084][ T1076] [ 7285.613650][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7285.614067][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7285.614067][ T73] dst_init+0x84/0x4a0 [ 7285.614067][ T73] dst_alloc+0x97/0x150 [ 7285.614067][ T73] ip6_dst_alloc+0x23/0x90 [ 7285.614067][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7285.614067][ T73] ip6_pol_route+0x56f/0x840 [ 7285.614067][ T73] fib6_rule_lookup+0x456/0x630 [ 7285.614067][ T73] ip6_route_input+0x59c/0xa50 [ 7285.614067][ T73] ipv6_rcv+0x397/0x810 [ 7285.614067][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7285.614067][ T73] process_backlog+0x101/0x620 [ 7285.614067][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7285.614067][ T73] net_rx_action+0x495/0xbe0 [ 7285.614067][ T73] __do_softirq+0x1b5/0x7f6 [ 7285.614067][ T73] [ 7285.615949][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7285.615949][ T73] netdev_get_by_index+0x5e/0x80 [ 7285.615949][ T73] fib6_nh_init+0x3d8/0x1580 [ 7285.615949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7285.615949][ T73] ip6_route_add+0x1c/0x140 [ 7285.615949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7285.615949][ T73] inet6_addr_add+0x4f8/0xa40 [ 7285.615949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.615949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.615949][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.615949][ T73] netlink_unicast+0x449/0x710 [ 7285.615949][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.615949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.615949][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.615949][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.615949][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.615949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.615949][ T73] [ 7285.618218][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7285.618218][ T73] netdev_get_by_index+0x5e/0x80 [ 7285.618218][ T73] fib6_nh_init+0x3d8/0x1580 [ 7285.618218][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7285.618218][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7285.618218][ T73] ipv6_add_addr+0x411/0x2000 [ 7285.618218][ T73] inet6_addr_add+0x30e/0xa40 [ 7285.618218][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.618218][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.618218][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.618218][ T73] netlink_unicast+0x449/0x710 [ 7285.618218][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.618218][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.618218][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.618218][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.618218][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.618218][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.618218][ T73] [ 7285.620470][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7285.620470][ T73] netdev_get_by_index+0x5e/0x80 [ 7285.620470][ T73] fib6_nh_init+0x3d8/0x1580 [ 7285.620470][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7285.620470][ T73] ip6_route_add+0x1c/0x140 [ 7285.620470][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7285.620470][ T73] addrconf_add_dev+0xe2/0x170 [ 7285.620470][ T73] inet6_addr_add+0x12f/0xa40 [ 7285.620470][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.620470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.620470][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.620470][ T73] netlink_unicast+0x449/0x710 [ 7285.620470][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.620470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.620470][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.620470][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.620470][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.620470][ T73] [ 7285.622660][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7285.622660][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7285.622660][ T73] ipv6_find_idev+0x102/0x170 [ 7285.622660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7285.622660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.622660][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.622660][ T73] netlink_unicast+0x449/0x710 [ 7285.622660][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.622660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.622660][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.622660][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.622660][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.622660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.622660][ T73] [ 7285.624382][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7285.624382][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7285.624382][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7285.624382][ T73] ipv6_find_idev+0x102/0x170 [ 7285.624382][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7285.624382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.624382][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.624382][ T73] netlink_unicast+0x449/0x710 [ 7285.624382][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.624382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.624382][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.624382][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.624382][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.624382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.624382][ T73] [ 7285.626290][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7285.626535][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7285.626535][ T73] dst_init+0x84/0x4a0 [ 7285.626535][ T73] dst_alloc+0x97/0x150 [ 7285.626535][ T73] ip6_dst_alloc+0x23/0x90 [ 7285.626535][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7285.626535][ T73] ip6_pol_route+0x56f/0x840 [ 7285.626535][ T73] fib6_rule_lookup+0x456/0x630 [ 7285.626535][ T73] ip6_route_input+0x59c/0xa50 [ 7285.626535][ T73] ipv6_rcv+0x397/0x810 [ 7285.626535][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7285.626535][ T73] process_backlog+0x101/0x620 [ 7285.626535][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7285.626535][ T73] net_rx_action+0x495/0xbe0 [ 7285.626535][ T73] __do_softirq+0x1b5/0x7f6 [ 7285.626535][ T73] [ 7285.628180][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7285.628180][ T73] netdev_get_by_index+0x5e/0x80 [ 7285.628180][ T73] fib6_nh_init+0x3d8/0x1580 [ 7285.628180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7285.628180][ T73] ip6_route_add+0x1c/0x140 [ 7285.628180][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7285.628180][ T73] inet6_addr_add+0x4f8/0xa40 [ 7285.628180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.628180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.628180][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.628180][ T73] netlink_unicast+0x449/0x710 [ 7285.628180][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.628180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.628180][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.628180][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.628180][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.628180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.628180][ T73] [ 7285.630191][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7285.630191][ T73] netdev_get_by_index+0x5e/0x80 [ 7285.630191][ T73] fib6_nh_init+0x3d8/0x1580 [ 7285.630191][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7285.630191][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7285.630191][ T73] ipv6_add_addr+0x411/0x2000 [ 7285.630191][ T73] inet6_addr_add+0x30e/0xa40 [ 7285.630191][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.630191][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.630191][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.630191][ T73] netlink_unicast+0x449/0x710 [ 7285.630191][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.630191][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.630191][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.630191][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.630191][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.630191][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.630191][ T73] [ 7285.632222][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7285.632222][ T73] netdev_get_by_index+0x5e/0x80 [ 7285.632222][ T73] fib6_nh_init+0x3d8/0x1580 [ 7285.632222][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7285.632222][ T73] ip6_route_add+0x1c/0x140 [ 7285.632222][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7285.632222][ T73] addrconf_add_dev+0xe2/0x170 [ 7285.632222][ T73] inet6_addr_add+0x12f/0xa40 [ 7285.632222][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7285.632222][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.632222][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.632222][ T73] netlink_unicast+0x449/0x710 [ 7285.632222][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.632222][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.632222][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.632222][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.632222][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.632222][ T73] [ 7285.634177][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7285.634177][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7285.634177][ T73] ipv6_find_idev+0x102/0x170 [ 7285.634177][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7285.634177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.634177][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.634177][ T73] netlink_unicast+0x449/0x710 [ 7285.634177][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.634177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.634177][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.634177][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.634177][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.634177][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.634177][ T73] [ 7285.635719][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7285.635719][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7285.635719][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7285.635719][ T73] ipv6_find_idev+0x102/0x170 [ 7285.635719][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7285.635719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7285.635719][ T73] netlink_rcv_skb+0x130/0x360 [ 7285.635719][ T73] netlink_unicast+0x449/0x710 [ 7285.635719][ T73] netlink_sendmsg+0x723/0xbe0 [ 7285.635719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7285.635719][ T73] ___sys_sendmsg+0xee/0x170 [ 7285.635719][ T73] __sys_sendmsg+0xcd/0x170 [ 7285.635719][ T73] do_syscall_64+0xc6/0x1e0 [ 7285.635719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7285.635719][ T73] [ 7287.485635][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7287.486148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7287.486148][ T1076] netdev_get_by_index+0x5e/0x80 [ 7287.486148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7287.486148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7287.486148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7287.486148][ T1076] ipv6_add_addr+0x411/0x2000 [ 7287.486148][ T1076] inet6_addr_add+0x30e/0xa40 [ 7287.486148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7287.486148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.486148][ T1076] netlink_rcv_skb+0x130/0x360 [ 7287.486148][ T1076] netlink_unicast+0x449/0x710 [ 7287.486148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7287.486148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7287.486148][ T1076] ___sys_sendmsg+0xee/0x170 [ 7287.486148][ T1076] __sys_sendmsg+0xcd/0x170 [ 7287.486148][ T1076] do_syscall_64+0xc6/0x1e0 [ 7287.486148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.486148][ T1076] [ 7287.488657][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7287.488657][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7287.488657][ T1076] ipv6_find_idev+0x102/0x170 [ 7287.488657][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7287.488657][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.488657][ T1076] netlink_rcv_skb+0x130/0x360 [ 7287.488657][ T1076] netlink_unicast+0x449/0x710 [ 7287.488657][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7287.488657][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7287.488657][ T1076] ___sys_sendmsg+0xee/0x170 [ 7287.488657][ T1076] __sys_sendmsg+0xcd/0x170 [ 7287.488657][ T1076] do_syscall_64+0xc6/0x1e0 [ 7287.488657][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.488657][ T1076] [ 7287.490579][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7287.490579][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7287.490579][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7287.490579][ T1076] ipv6_find_idev+0x102/0x170 [ 7287.490579][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7287.490579][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7287.490579][ T1076] netlink_rcv_skb+0x130/0x360 [ 7287.490579][ T1076] netlink_unicast+0x449/0x710 [ 7287.490579][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7287.490579][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7287.490579][ T1076] ___sys_sendmsg+0xee/0x170 [ 7287.490579][ T1076] __sys_sendmsg+0xcd/0x170 [ 7287.490579][ T1076] do_syscall_64+0xc6/0x1e0 [ 7287.490579][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7287.490579][ T1076] [ 7295.877745][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7295.878180][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7295.878180][ T73] dst_init+0x84/0x4a0 [ 7295.878180][ T73] dst_alloc+0x97/0x150 [ 7295.878180][ T73] ip6_dst_alloc+0x23/0x90 [ 7295.878180][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7295.878180][ T73] ip6_pol_route+0x56f/0x840 [ 7295.878180][ T73] fib6_rule_lookup+0x456/0x630 [ 7295.878180][ T73] ip6_route_input+0x59c/0xa50 [ 7295.878180][ T73] ipv6_rcv+0x397/0x810 [ 7295.878180][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7295.878180][ T73] process_backlog+0x101/0x620 [ 7295.878180][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7295.878180][ T73] net_rx_action+0x495/0xbe0 [ 7295.878180][ T73] __do_softirq+0x1b5/0x7f6 [ 7295.878180][ T73] [ 7295.879867][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7295.879867][ T73] netdev_get_by_index+0x5e/0x80 [ 7295.879867][ T73] fib6_nh_init+0x3d8/0x1580 [ 7295.879867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7295.879867][ T73] ip6_route_add+0x1c/0x140 [ 7295.879867][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7295.879867][ T73] inet6_addr_add+0x4f8/0xa40 [ 7295.879867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.879867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.879867][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.879867][ T73] netlink_unicast+0x449/0x710 [ 7295.879867][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.879867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.879867][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.879867][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.879867][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.879867][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.879867][ T73] [ 7295.881879][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7295.881879][ T73] netdev_get_by_index+0x5e/0x80 [ 7295.881879][ T73] fib6_nh_init+0x3d8/0x1580 [ 7295.881879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7295.881879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7295.881879][ T73] ipv6_add_addr+0x411/0x2000 [ 7295.881879][ T73] inet6_addr_add+0x30e/0xa40 [ 7295.881879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.881879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.881879][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.881879][ T73] netlink_unicast+0x449/0x710 [ 7295.881879][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.881879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.881879][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.881879][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.881879][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.881879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.881879][ T73] [ 7295.883873][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7295.883873][ T73] netdev_get_by_index+0x5e/0x80 [ 7295.883873][ T73] fib6_nh_init+0x3d8/0x1580 [ 7295.883873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7295.883873][ T73] ip6_route_add+0x1c/0x140 [ 7295.883873][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7295.883873][ T73] addrconf_add_dev+0xe2/0x170 [ 7295.883873][ T73] inet6_addr_add+0x12f/0xa40 [ 7295.883873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.883873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.883873][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.883873][ T73] netlink_unicast+0x449/0x710 [ 7295.883873][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.883873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.883873][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.883873][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.883873][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.883873][ T73] [ 7295.885840][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7295.885840][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7295.885840][ T73] ipv6_find_idev+0x102/0x170 [ 7295.885840][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7295.885840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.885840][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.885840][ T73] netlink_unicast+0x449/0x710 [ 7295.885840][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.885840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.885840][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.885840][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.885840][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.885840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.885840][ T73] [ 7295.887385][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7295.887385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7295.887385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7295.887385][ T73] ipv6_find_idev+0x102/0x170 [ 7295.887385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7295.887385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.887385][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.887385][ T73] netlink_unicast+0x449/0x710 [ 7295.887385][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.887385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.887385][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.887385][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.887385][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.887385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.887385][ T73] [ 7295.889072][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7295.889325][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7295.889325][ T73] dst_init+0x84/0x4a0 [ 7295.889325][ T73] dst_alloc+0x97/0x150 [ 7295.889325][ T73] ip6_dst_alloc+0x23/0x90 [ 7295.889325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7295.889325][ T73] ip6_pol_route+0x56f/0x840 [ 7295.889325][ T73] fib6_rule_lookup+0x456/0x630 [ 7295.889325][ T73] ip6_route_input+0x59c/0xa50 [ 7295.889325][ T73] ipv6_rcv+0x397/0x810 [ 7295.889325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7295.889325][ T73] process_backlog+0x101/0x620 [ 7295.889325][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7295.889325][ T73] net_rx_action+0x495/0xbe0 [ 7295.889325][ T73] __do_softirq+0x1b5/0x7f6 [ 7295.889325][ T73] [ 7295.890953][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7295.890953][ T73] netdev_get_by_index+0x5e/0x80 [ 7295.890953][ T73] fib6_nh_init+0x3d8/0x1580 [ 7295.890953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7295.890953][ T73] ip6_route_add+0x1c/0x140 [ 7295.890953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7295.890953][ T73] inet6_addr_add+0x4f8/0xa40 [ 7295.890953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.890953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.890953][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.890953][ T73] netlink_unicast+0x449/0x710 [ 7295.890953][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.890953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.890953][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.890953][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.890953][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.890953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.890953][ T73] [ 7295.892938][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7295.892938][ T73] netdev_get_by_index+0x5e/0x80 [ 7295.892938][ T73] fib6_nh_init+0x3d8/0x1580 [ 7295.892938][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7295.892938][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7295.892938][ T73] ipv6_add_addr+0x411/0x2000 [ 7295.892938][ T73] inet6_addr_add+0x30e/0xa40 [ 7295.892938][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.892938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.892938][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.892938][ T73] netlink_unicast+0x449/0x710 [ 7295.892938][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.892938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.892938][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.892938][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.892938][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.892938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.892938][ T73] [ 7295.894936][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7295.894936][ T73] netdev_get_by_index+0x5e/0x80 [ 7295.894936][ T73] fib6_nh_init+0x3d8/0x1580 [ 7295.894936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7295.894936][ T73] ip6_route_add+0x1c/0x140 [ 7295.894936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7295.894936][ T73] addrconf_add_dev+0xe2/0x170 [ 7295.894936][ T73] inet6_addr_add+0x12f/0xa40 [ 7295.894936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7295.894936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.894936][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.894936][ T73] netlink_unicast+0x449/0x710 [ 7295.894936][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.894936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.894936][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.894936][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.894936][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.894936][ T73] [ 7295.896905][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7295.896905][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7295.896905][ T73] ipv6_find_idev+0x102/0x170 [ 7295.896905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7295.896905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.896905][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.896905][ T73] netlink_unicast+0x449/0x710 [ 7295.896905][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.896905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.896905][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.896905][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.896905][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.896905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.896905][ T73] [ 7295.898440][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7295.898440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7295.898440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7295.898440][ T73] ipv6_find_idev+0x102/0x170 [ 7295.898440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7295.898440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7295.898440][ T73] netlink_rcv_skb+0x130/0x360 [ 7295.898440][ T73] netlink_unicast+0x449/0x710 [ 7295.898440][ T73] netlink_sendmsg+0x723/0xbe0 [ 7295.898440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7295.898440][ T73] ___sys_sendmsg+0xee/0x170 [ 7295.898440][ T73] __sys_sendmsg+0xcd/0x170 [ 7295.898440][ T73] do_syscall_64+0xc6/0x1e0 [ 7295.898440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7295.898440][ T73] [ 7297.741633][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7297.742202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7297.742202][ T1076] netdev_get_by_index+0x5e/0x80 [ 7297.742202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7297.742202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7297.742202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7297.742202][ T1076] ipv6_add_addr+0x411/0x2000 [ 7297.742202][ T1076] inet6_addr_add+0x30e/0xa40 [ 7297.742202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7297.742202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.742202][ T1076] netlink_rcv_skb+0x130/0x360 [ 7297.742202][ T1076] netlink_unicast+0x449/0x710 [ 7297.742202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7297.742202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7297.742202][ T1076] ___sys_sendmsg+0xee/0x170 [ 7297.742202][ T1076] __sys_sendmsg+0xcd/0x170 [ 7297.742202][ T1076] do_syscall_64+0xc6/0x1e0 [ 7297.742202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.742202][ T1076] [ 7297.744739][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7297.744739][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7297.744739][ T1076] ipv6_find_idev+0x102/0x170 [ 7297.744739][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7297.744739][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.744739][ T1076] netlink_rcv_skb+0x130/0x360 [ 7297.744739][ T1076] netlink_unicast+0x449/0x710 [ 7297.744739][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7297.744739][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7297.744739][ T1076] ___sys_sendmsg+0xee/0x170 [ 7297.744739][ T1076] __sys_sendmsg+0xcd/0x170 [ 7297.744739][ T1076] do_syscall_64+0xc6/0x1e0 [ 7297.744739][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.744739][ T1076] [ 7297.746674][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7297.746674][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7297.746674][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7297.746674][ T1076] ipv6_find_idev+0x102/0x170 [ 7297.746674][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7297.746674][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7297.746674][ T1076] netlink_rcv_skb+0x130/0x360 [ 7297.746674][ T1076] netlink_unicast+0x449/0x710 [ 7297.746674][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7297.746674][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7297.746674][ T1076] ___sys_sendmsg+0xee/0x170 [ 7297.746674][ T1076] __sys_sendmsg+0xcd/0x170 [ 7297.746674][ T1076] do_syscall_64+0xc6/0x1e0 [ 7297.746674][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7297.746674][ T1076] [ 7306.141651][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7306.142117][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7306.142117][ T73] dst_init+0x84/0x4a0 [ 7306.142117][ T73] dst_alloc+0x97/0x150 [ 7306.142117][ T73] ip6_dst_alloc+0x23/0x90 [ 7306.142117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7306.142117][ T73] ip6_pol_route+0x56f/0x840 [ 7306.142117][ T73] fib6_rule_lookup+0x456/0x630 [ 7306.142117][ T73] ip6_route_input+0x59c/0xa50 [ 7306.142117][ T73] ipv6_rcv+0x397/0x810 [ 7306.142117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7306.142117][ T73] process_backlog+0x101/0x620 [ 7306.142117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7306.142117][ T73] net_rx_action+0x495/0xbe0 [ 7306.142117][ T73] __do_softirq+0x1b5/0x7f6 [ 7306.142117][ T73] [ 7306.143809][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7306.143809][ T73] netdev_get_by_index+0x5e/0x80 [ 7306.143809][ T73] fib6_nh_init+0x3d8/0x1580 [ 7306.143809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7306.143809][ T73] ip6_route_add+0x1c/0x140 [ 7306.143809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7306.143809][ T73] inet6_addr_add+0x4f8/0xa40 [ 7306.143809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.143809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.143809][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.143809][ T73] netlink_unicast+0x449/0x710 [ 7306.143809][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.143809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.143809][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.143809][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.143809][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.143809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.143809][ T73] [ 7306.145879][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7306.145879][ T73] netdev_get_by_index+0x5e/0x80 [ 7306.145879][ T73] fib6_nh_init+0x3d8/0x1580 [ 7306.145879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7306.145879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7306.145879][ T73] ipv6_add_addr+0x411/0x2000 [ 7306.145879][ T73] inet6_addr_add+0x30e/0xa40 [ 7306.145879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.145879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.145879][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.145879][ T73] netlink_unicast+0x449/0x710 [ 7306.145879][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.145879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.145879][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.145879][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.145879][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.145879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.145879][ T73] [ 7306.147880][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7306.147880][ T73] netdev_get_by_index+0x5e/0x80 [ 7306.147880][ T73] fib6_nh_init+0x3d8/0x1580 [ 7306.147880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7306.147880][ T73] ip6_route_add+0x1c/0x140 [ 7306.147880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7306.147880][ T73] addrconf_add_dev+0xe2/0x170 [ 7306.147880][ T73] inet6_addr_add+0x12f/0xa40 [ 7306.147880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.147880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.147880][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.147880][ T73] netlink_unicast+0x449/0x710 [ 7306.147880][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.147880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.147880][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.147880][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.147880][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.147880][ T73] [ 7306.149848][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7306.149848][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7306.149848][ T73] ipv6_find_idev+0x102/0x170 [ 7306.149848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7306.149848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.149848][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.149848][ T73] netlink_unicast+0x449/0x710 [ 7306.149848][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.149848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.149848][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.149848][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.149848][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.149848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.149848][ T73] [ 7306.151394][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7306.151394][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7306.151394][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7306.151394][ T73] ipv6_find_idev+0x102/0x170 [ 7306.151394][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7306.151394][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.151394][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.151394][ T73] netlink_unicast+0x449/0x710 [ 7306.151394][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.151394][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.151394][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.151394][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.151394][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.151394][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.151394][ T73] [ 7306.153089][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7306.153334][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7306.153334][ T73] dst_init+0x84/0x4a0 [ 7306.153334][ T73] dst_alloc+0x97/0x150 [ 7306.153334][ T73] ip6_dst_alloc+0x23/0x90 [ 7306.153334][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7306.153334][ T73] ip6_pol_route+0x56f/0x840 [ 7306.153334][ T73] fib6_rule_lookup+0x456/0x630 [ 7306.153334][ T73] ip6_route_input+0x59c/0xa50 [ 7306.153334][ T73] ipv6_rcv+0x397/0x810 [ 7306.153334][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7306.153334][ T73] process_backlog+0x101/0x620 [ 7306.153334][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7306.153334][ T73] net_rx_action+0x495/0xbe0 [ 7306.153334][ T73] __do_softirq+0x1b5/0x7f6 [ 7306.153334][ T73] [ 7306.154972][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7306.154972][ T73] netdev_get_by_index+0x5e/0x80 [ 7306.154972][ T73] fib6_nh_init+0x3d8/0x1580 [ 7306.154972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7306.154972][ T73] ip6_route_add+0x1c/0x140 [ 7306.154972][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7306.154972][ T73] inet6_addr_add+0x4f8/0xa40 [ 7306.154972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.154972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.154972][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.154972][ T73] netlink_unicast+0x449/0x710 [ 7306.154972][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.154972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.154972][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.154972][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.154972][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.154972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.154972][ T73] [ 7306.157110][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7306.157110][ T73] netdev_get_by_index+0x5e/0x80 [ 7306.157110][ T73] fib6_nh_init+0x3d8/0x1580 [ 7306.157110][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7306.157110][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7306.157110][ T73] ipv6_add_addr+0x411/0x2000 [ 7306.157110][ T73] inet6_addr_add+0x30e/0xa40 [ 7306.157110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.157110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.157110][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.157110][ T73] netlink_unicast+0x449/0x710 [ 7306.157110][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.157110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.157110][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.157110][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.157110][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.157110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.157110][ T73] [ 7306.159105][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7306.159105][ T73] netdev_get_by_index+0x5e/0x80 [ 7306.159105][ T73] fib6_nh_init+0x3d8/0x1580 [ 7306.159105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7306.159105][ T73] ip6_route_add+0x1c/0x140 [ 7306.159105][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7306.159105][ T73] addrconf_add_dev+0xe2/0x170 [ 7306.159105][ T73] inet6_addr_add+0x12f/0xa40 [ 7306.159105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7306.159105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.159105][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.159105][ T73] netlink_unicast+0x449/0x710 [ 7306.159105][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.159105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.159105][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.159105][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.159105][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.159105][ T73] [ 7306.161073][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7306.161073][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7306.161073][ T73] ipv6_find_idev+0x102/0x170 [ 7306.161073][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7306.161073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.161073][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.161073][ T73] netlink_unicast+0x449/0x710 [ 7306.161073][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.161073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.161073][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.161073][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.161073][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.161073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.161073][ T73] [ 7306.162607][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7306.162607][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7306.162607][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7306.162607][ T73] ipv6_find_idev+0x102/0x170 [ 7306.162607][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7306.162607][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7306.162607][ T73] netlink_rcv_skb+0x130/0x360 [ 7306.162607][ T73] netlink_unicast+0x449/0x710 [ 7306.162607][ T73] netlink_sendmsg+0x723/0xbe0 [ 7306.162607][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7306.162607][ T73] ___sys_sendmsg+0xee/0x170 [ 7306.162607][ T73] __sys_sendmsg+0xcd/0x170 [ 7306.162607][ T73] do_syscall_64+0xc6/0x1e0 [ 7306.162607][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7306.162607][ T73] [ 7307.997640][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7307.998198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7307.998198][ T1076] netdev_get_by_index+0x5e/0x80 [ 7307.998198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7307.998198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7307.998198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7307.998198][ T1076] ipv6_add_addr+0x411/0x2000 [ 7307.998198][ T1076] inet6_addr_add+0x30e/0xa40 [ 7307.998198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7307.998198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7307.998198][ T1076] netlink_rcv_skb+0x130/0x360 [ 7307.998198][ T1076] netlink_unicast+0x449/0x710 [ 7307.998198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7307.998198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7307.998198][ T1076] ___sys_sendmsg+0xee/0x170 [ 7307.998198][ T1076] __sys_sendmsg+0xcd/0x170 [ 7307.998198][ T1076] do_syscall_64+0xc6/0x1e0 [ 7307.998198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7307.998198][ T1076] [ 7308.000730][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7308.000730][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7308.000730][ T1076] ipv6_find_idev+0x102/0x170 [ 7308.000730][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7308.000730][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7308.000730][ T1076] netlink_rcv_skb+0x130/0x360 [ 7308.000730][ T1076] netlink_unicast+0x449/0x710 [ 7308.000730][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7308.000730][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7308.000730][ T1076] ___sys_sendmsg+0xee/0x170 [ 7308.000730][ T1076] __sys_sendmsg+0xcd/0x170 [ 7308.000730][ T1076] do_syscall_64+0xc6/0x1e0 [ 7308.000730][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7308.000730][ T1076] [ 7308.002676][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7308.002676][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7308.002676][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7308.002676][ T1076] ipv6_find_idev+0x102/0x170 [ 7308.002676][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7308.002676][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7308.002676][ T1076] netlink_rcv_skb+0x130/0x360 [ 7308.002676][ T1076] netlink_unicast+0x449/0x710 [ 7308.002676][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7308.002676][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7308.002676][ T1076] ___sys_sendmsg+0xee/0x170 [ 7308.002676][ T1076] __sys_sendmsg+0xcd/0x170 [ 7308.002676][ T1076] do_syscall_64+0xc6/0x1e0 [ 7308.002676][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7308.002676][ T1076] [ 7316.405721][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7316.406216][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7316.406216][ T73] dst_init+0x84/0x4a0 [ 7316.406216][ T73] dst_alloc+0x97/0x150 [ 7316.406216][ T73] ip6_dst_alloc+0x23/0x90 [ 7316.406216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7316.406216][ T73] ip6_pol_route+0x56f/0x840 [ 7316.406216][ T73] fib6_rule_lookup+0x456/0x630 [ 7316.406216][ T73] ip6_route_input+0x59c/0xa50 [ 7316.406216][ T73] ipv6_rcv+0x397/0x810 [ 7316.406216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7316.406216][ T73] process_backlog+0x101/0x620 [ 7316.406216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7316.406216][ T73] net_rx_action+0x495/0xbe0 [ 7316.406216][ T73] __do_softirq+0x1b5/0x7f6 [ 7316.406216][ T73] [ 7316.408070][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7316.408070][ T73] netdev_get_by_index+0x5e/0x80 [ 7316.408070][ T73] fib6_nh_init+0x3d8/0x1580 [ 7316.408070][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7316.408070][ T73] ip6_route_add+0x1c/0x140 [ 7316.408070][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7316.408070][ T73] inet6_addr_add+0x4f8/0xa40 [ 7316.408070][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.408070][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.408070][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.408070][ T73] netlink_unicast+0x449/0x710 [ 7316.408070][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.408070][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.408070][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.408070][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.408070][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.408070][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.408070][ T73] [ 7316.410352][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7316.410352][ T73] netdev_get_by_index+0x5e/0x80 [ 7316.410352][ T73] fib6_nh_init+0x3d8/0x1580 [ 7316.410352][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7316.410352][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7316.410352][ T73] ipv6_add_addr+0x411/0x2000 [ 7316.410352][ T73] inet6_addr_add+0x30e/0xa40 [ 7316.410352][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.410352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.410352][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.410352][ T73] netlink_unicast+0x449/0x710 [ 7316.410352][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.410352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.410352][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.410352][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.410352][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.410352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.410352][ T73] [ 7316.412581][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7316.412581][ T73] netdev_get_by_index+0x5e/0x80 [ 7316.412581][ T73] fib6_nh_init+0x3d8/0x1580 [ 7316.412581][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7316.412581][ T73] ip6_route_add+0x1c/0x140 [ 7316.412581][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7316.412581][ T73] addrconf_add_dev+0xe2/0x170 [ 7316.412581][ T73] inet6_addr_add+0x12f/0xa40 [ 7316.412581][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.412581][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.412581][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.412581][ T73] netlink_unicast+0x449/0x710 [ 7316.412581][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.412581][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.412581][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.412581][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.412581][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.412581][ T73] [ 7316.414783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7316.414783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7316.414783][ T73] ipv6_find_idev+0x102/0x170 [ 7316.414783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7316.414783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.414783][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.414783][ T73] netlink_unicast+0x449/0x710 [ 7316.414783][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.414783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.414783][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.414783][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.414783][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.414783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.414783][ T73] [ 7316.416503][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7316.416503][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7316.416503][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7316.416503][ T73] ipv6_find_idev+0x102/0x170 [ 7316.416503][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7316.416503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.416503][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.416503][ T73] netlink_unicast+0x449/0x710 [ 7316.416503][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.416503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.416503][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.416503][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.416503][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.416503][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.416503][ T73] [ 7316.418381][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7316.418661][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7316.418661][ T73] dst_init+0x84/0x4a0 [ 7316.418661][ T73] dst_alloc+0x97/0x150 [ 7316.418661][ T73] ip6_dst_alloc+0x23/0x90 [ 7316.418661][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7316.418661][ T73] ip6_pol_route+0x56f/0x840 [ 7316.418661][ T73] fib6_rule_lookup+0x456/0x630 [ 7316.418661][ T73] ip6_route_input+0x59c/0xa50 [ 7316.418661][ T73] ipv6_rcv+0x397/0x810 [ 7316.418661][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7316.418661][ T73] process_backlog+0x101/0x620 [ 7316.418661][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7316.418661][ T73] net_rx_action+0x495/0xbe0 [ 7316.418661][ T73] __do_softirq+0x1b5/0x7f6 [ 7316.418661][ T73] [ 7316.420504][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7316.420504][ T73] netdev_get_by_index+0x5e/0x80 [ 7316.420504][ T73] fib6_nh_init+0x3d8/0x1580 [ 7316.420504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7316.420504][ T73] ip6_route_add+0x1c/0x140 [ 7316.420504][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7316.420504][ T73] inet6_addr_add+0x4f8/0xa40 [ 7316.420504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.420504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.420504][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.420504][ T73] netlink_unicast+0x449/0x710 [ 7316.420504][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.420504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.420504][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.420504][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.420504][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.420504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.420504][ T73] [ 7316.422718][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7316.422718][ T73] netdev_get_by_index+0x5e/0x80 [ 7316.422718][ T73] fib6_nh_init+0x3d8/0x1580 [ 7316.422718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7316.422718][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7316.422718][ T73] ipv6_add_addr+0x411/0x2000 [ 7316.422718][ T73] inet6_addr_add+0x30e/0xa40 [ 7316.422718][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.422718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.422718][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.422718][ T73] netlink_unicast+0x449/0x710 [ 7316.422718][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.422718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.422718][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.422718][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.422718][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.422718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.422718][ T73] [ 7316.424966][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7316.424966][ T73] netdev_get_by_index+0x5e/0x80 [ 7316.424966][ T73] fib6_nh_init+0x3d8/0x1580 [ 7316.424966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7316.424966][ T73] ip6_route_add+0x1c/0x140 [ 7316.424966][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7316.424966][ T73] addrconf_add_dev+0xe2/0x170 [ 7316.424966][ T73] inet6_addr_add+0x12f/0xa40 [ 7316.424966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7316.424966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.424966][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.424966][ T73] netlink_unicast+0x449/0x710 [ 7316.424966][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.424966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.424966][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.424966][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.424966][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.424966][ T73] [ 7316.427146][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7316.427146][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7316.427146][ T73] ipv6_find_idev+0x102/0x170 [ 7316.427146][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7316.427146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.427146][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.427146][ T73] netlink_unicast+0x449/0x710 [ 7316.427146][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.427146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.427146][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.427146][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.427146][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.427146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.427146][ T73] [ 7316.428866][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7316.428866][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7316.428866][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7316.428866][ T73] ipv6_find_idev+0x102/0x170 [ 7316.428866][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7316.428866][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7316.428866][ T73] netlink_rcv_skb+0x130/0x360 [ 7316.428866][ T73] netlink_unicast+0x449/0x710 [ 7316.428866][ T73] netlink_sendmsg+0x723/0xbe0 [ 7316.428866][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7316.428866][ T73] ___sys_sendmsg+0xee/0x170 [ 7316.428866][ T73] __sys_sendmsg+0xcd/0x170 [ 7316.428866][ T73] do_syscall_64+0xc6/0x1e0 [ 7316.428866][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7316.428866][ T73] [ 7318.253623][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7318.254180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7318.254180][ T1076] netdev_get_by_index+0x5e/0x80 [ 7318.254180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7318.254180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7318.254180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7318.254180][ T1076] ipv6_add_addr+0x411/0x2000 [ 7318.254180][ T1076] inet6_addr_add+0x30e/0xa40 [ 7318.254180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7318.254180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7318.254180][ T1076] netlink_rcv_skb+0x130/0x360 [ 7318.254180][ T1076] netlink_unicast+0x449/0x710 [ 7318.254180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7318.254180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7318.254180][ T1076] ___sys_sendmsg+0xee/0x170 [ 7318.254180][ T1076] __sys_sendmsg+0xcd/0x170 [ 7318.254180][ T1076] do_syscall_64+0xc6/0x1e0 [ 7318.254180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7318.254180][ T1076] [ 7318.256613][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7318.256613][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7318.256613][ T1076] ipv6_find_idev+0x102/0x170 [ 7318.256613][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7318.256613][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7318.256613][ T1076] netlink_rcv_skb+0x130/0x360 [ 7318.256613][ T1076] netlink_unicast+0x449/0x710 [ 7318.256613][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7318.256613][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7318.256613][ T1076] ___sys_sendmsg+0xee/0x170 [ 7318.256613][ T1076] __sys_sendmsg+0xcd/0x170 [ 7318.256613][ T1076] do_syscall_64+0xc6/0x1e0 [ 7318.256613][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7318.256613][ T1076] [ 7318.258380][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7318.258380][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7318.258380][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7318.258380][ T1076] ipv6_find_idev+0x102/0x170 [ 7318.258380][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7318.258380][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7318.258380][ T1076] netlink_rcv_skb+0x130/0x360 [ 7318.258380][ T1076] netlink_unicast+0x449/0x710 [ 7318.258380][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7318.258380][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7318.258380][ T1076] ___sys_sendmsg+0xee/0x170 [ 7318.258380][ T1076] __sys_sendmsg+0xcd/0x170 [ 7318.258380][ T1076] do_syscall_64+0xc6/0x1e0 [ 7318.258380][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7318.258380][ T1076] [ 7326.669643][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7326.670032][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7326.670032][ T73] dst_init+0x84/0x4a0 [ 7326.670032][ T73] dst_alloc+0x97/0x150 [ 7326.670032][ T73] ip6_dst_alloc+0x23/0x90 [ 7326.670032][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7326.670032][ T73] ip6_pol_route+0x56f/0x840 [ 7326.670032][ T73] fib6_rule_lookup+0x456/0x630 [ 7326.670032][ T73] ip6_route_input+0x59c/0xa50 [ 7326.670032][ T73] ipv6_rcv+0x397/0x810 [ 7326.670032][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7326.670032][ T73] process_backlog+0x101/0x620 [ 7326.670032][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7326.670032][ T73] net_rx_action+0x495/0xbe0 [ 7326.670032][ T73] __do_softirq+0x1b5/0x7f6 [ 7326.670032][ T73] [ 7326.671739][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7326.671739][ T73] netdev_get_by_index+0x5e/0x80 [ 7326.671739][ T73] fib6_nh_init+0x3d8/0x1580 [ 7326.671739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7326.671739][ T73] ip6_route_add+0x1c/0x140 [ 7326.671739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7326.671739][ T73] inet6_addr_add+0x4f8/0xa40 [ 7326.671739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.671739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.671739][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.671739][ T73] netlink_unicast+0x449/0x710 [ 7326.671739][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.671739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.671739][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.671739][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.671739][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.671739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.671739][ T73] [ 7326.673770][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7326.673770][ T73] netdev_get_by_index+0x5e/0x80 [ 7326.673770][ T73] fib6_nh_init+0x3d8/0x1580 [ 7326.673770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7326.673770][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7326.673770][ T73] ipv6_add_addr+0x411/0x2000 [ 7326.673770][ T73] inet6_addr_add+0x30e/0xa40 [ 7326.673770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.673770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.673770][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.673770][ T73] netlink_unicast+0x449/0x710 [ 7326.673770][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.673770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.673770][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.673770][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.673770][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.673770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.673770][ T73] [ 7326.675916][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7326.675916][ T73] netdev_get_by_index+0x5e/0x80 [ 7326.675916][ T73] fib6_nh_init+0x3d8/0x1580 [ 7326.675916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7326.675916][ T73] ip6_route_add+0x1c/0x140 [ 7326.675916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7326.675916][ T73] addrconf_add_dev+0xe2/0x170 [ 7326.675916][ T73] inet6_addr_add+0x12f/0xa40 [ 7326.675916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.675916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.675916][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.675916][ T73] netlink_unicast+0x449/0x710 [ 7326.675916][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.675916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.675916][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.675916][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.675916][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.675916][ T73] [ 7326.677910][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7326.677910][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7326.677910][ T73] ipv6_find_idev+0x102/0x170 [ 7326.677910][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7326.677910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.677910][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.677910][ T73] netlink_unicast+0x449/0x710 [ 7326.677910][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.677910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.677910][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.677910][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.677910][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.677910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.677910][ T73] [ 7326.679485][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7326.679485][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7326.679485][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7326.679485][ T73] ipv6_find_idev+0x102/0x170 [ 7326.679485][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7326.679485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.679485][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.679485][ T73] netlink_unicast+0x449/0x710 [ 7326.679485][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.679485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.679485][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.679485][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.679485][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.679485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.679485][ T73] [ 7326.681217][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7326.681468][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7326.681468][ T73] dst_init+0x84/0x4a0 [ 7326.681468][ T73] dst_alloc+0x97/0x150 [ 7326.681468][ T73] ip6_dst_alloc+0x23/0x90 [ 7326.681468][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7326.681468][ T73] ip6_pol_route+0x56f/0x840 [ 7326.681468][ T73] fib6_rule_lookup+0x456/0x630 [ 7326.681468][ T73] ip6_route_input+0x59c/0xa50 [ 7326.681468][ T73] ipv6_rcv+0x397/0x810 [ 7326.681468][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7326.681468][ T73] process_backlog+0x101/0x620 [ 7326.681468][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7326.681468][ T73] net_rx_action+0x495/0xbe0 [ 7326.681468][ T73] __do_softirq+0x1b5/0x7f6 [ 7326.681468][ T73] [ 7326.683127][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7326.683127][ T73] netdev_get_by_index+0x5e/0x80 [ 7326.683127][ T73] fib6_nh_init+0x3d8/0x1580 [ 7326.683127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7326.683127][ T73] ip6_route_add+0x1c/0x140 [ 7326.683127][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7326.683127][ T73] inet6_addr_add+0x4f8/0xa40 [ 7326.683127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.683127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.683127][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.683127][ T73] netlink_unicast+0x449/0x710 [ 7326.683127][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.683127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.683127][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.683127][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.683127][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.683127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.683127][ T73] [ 7326.685148][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7326.685148][ T73] netdev_get_by_index+0x5e/0x80 [ 7326.685148][ T73] fib6_nh_init+0x3d8/0x1580 [ 7326.685148][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7326.685148][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7326.685148][ T73] ipv6_add_addr+0x411/0x2000 [ 7326.685148][ T73] inet6_addr_add+0x30e/0xa40 [ 7326.685148][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.685148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.685148][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.685148][ T73] netlink_unicast+0x449/0x710 [ 7326.685148][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.685148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.685148][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.685148][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.685148][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.685148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.685148][ T73] [ 7326.687171][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7326.687171][ T73] netdev_get_by_index+0x5e/0x80 [ 7326.687171][ T73] fib6_nh_init+0x3d8/0x1580 [ 7326.687171][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7326.687171][ T73] ip6_route_add+0x1c/0x140 [ 7326.687171][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7326.687171][ T73] addrconf_add_dev+0xe2/0x170 [ 7326.687171][ T73] inet6_addr_add+0x12f/0xa40 [ 7326.687171][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7326.687171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.687171][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.687171][ T73] netlink_unicast+0x449/0x710 [ 7326.687171][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.687171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.687171][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.687171][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.687171][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.687171][ T73] [ 7326.689178][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7326.689178][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7326.689178][ T73] ipv6_find_idev+0x102/0x170 [ 7326.689178][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7326.689178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.689178][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.689178][ T73] netlink_unicast+0x449/0x710 [ 7326.689178][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.689178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.689178][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.689178][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.689178][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.689178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.689178][ T73] [ 7326.690739][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7326.690739][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7326.690739][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7326.690739][ T73] ipv6_find_idev+0x102/0x170 [ 7326.690739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7326.690739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7326.690739][ T73] netlink_rcv_skb+0x130/0x360 [ 7326.690739][ T73] netlink_unicast+0x449/0x710 [ 7326.690739][ T73] netlink_sendmsg+0x723/0xbe0 [ 7326.690739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7326.690739][ T73] ___sys_sendmsg+0xee/0x170 [ 7326.690739][ T73] __sys_sendmsg+0xcd/0x170 [ 7326.690739][ T73] do_syscall_64+0xc6/0x1e0 [ 7326.690739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7326.690739][ T73] [ 7328.509625][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7328.510090][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7328.510090][ T1076] netdev_get_by_index+0x5e/0x80 [ 7328.510090][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7328.510090][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7328.510090][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7328.510090][ T1076] ipv6_add_addr+0x411/0x2000 [ 7328.510090][ T1076] inet6_addr_add+0x30e/0xa40 [ 7328.510090][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7328.510090][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7328.510090][ T1076] netlink_rcv_skb+0x130/0x360 [ 7328.510090][ T1076] netlink_unicast+0x449/0x710 [ 7328.510090][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7328.510090][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7328.510090][ T1076] ___sys_sendmsg+0xee/0x170 [ 7328.510090][ T1076] __sys_sendmsg+0xcd/0x170 [ 7328.510090][ T1076] do_syscall_64+0xc6/0x1e0 [ 7328.510090][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7328.510090][ T1076] [ 7328.512412][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7328.512412][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7328.512412][ T1076] ipv6_find_idev+0x102/0x170 [ 7328.512412][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7328.512412][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7328.512412][ T1076] netlink_rcv_skb+0x130/0x360 [ 7328.512412][ T1076] netlink_unicast+0x449/0x710 [ 7328.512412][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7328.512412][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7328.512412][ T1076] ___sys_sendmsg+0xee/0x170 [ 7328.512412][ T1076] __sys_sendmsg+0xcd/0x170 [ 7328.512412][ T1076] do_syscall_64+0xc6/0x1e0 [ 7328.512412][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7328.512412][ T1076] [ 7328.514182][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7328.514182][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7328.514182][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7328.514182][ T1076] ipv6_find_idev+0x102/0x170 [ 7328.514182][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7328.514182][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7328.514182][ T1076] netlink_rcv_skb+0x130/0x360 [ 7328.514182][ T1076] netlink_unicast+0x449/0x710 [ 7328.514182][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7328.514182][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7328.514182][ T1076] ___sys_sendmsg+0xee/0x170 [ 7328.514182][ T1076] __sys_sendmsg+0xcd/0x170 [ 7328.514182][ T1076] do_syscall_64+0xc6/0x1e0 [ 7328.514182][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7328.514182][ T1076] [ 7336.933713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7336.934102][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7336.934102][ T73] dst_init+0x84/0x4a0 [ 7336.934102][ T73] dst_alloc+0x97/0x150 [ 7336.934102][ T73] ip6_dst_alloc+0x23/0x90 [ 7336.934102][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7336.934102][ T73] ip6_pol_route+0x56f/0x840 [ 7336.934102][ T73] fib6_rule_lookup+0x456/0x630 [ 7336.934102][ T73] ip6_route_input+0x59c/0xa50 [ 7336.934102][ T73] ipv6_rcv+0x397/0x810 [ 7336.934102][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7336.934102][ T73] process_backlog+0x101/0x620 [ 7336.934102][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7336.934102][ T73] net_rx_action+0x495/0xbe0 [ 7336.934102][ T73] __do_softirq+0x1b5/0x7f6 [ 7336.934102][ T73] [ 7336.935950][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7336.935950][ T73] netdev_get_by_index+0x5e/0x80 [ 7336.935950][ T73] fib6_nh_init+0x3d8/0x1580 [ 7336.935950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7336.935950][ T73] ip6_route_add+0x1c/0x140 [ 7336.935950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7336.935950][ T73] inet6_addr_add+0x4f8/0xa40 [ 7336.935950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7336.935950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.935950][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.935950][ T73] netlink_unicast+0x449/0x710 [ 7336.935950][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.935950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.935950][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.935950][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.935950][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.935950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.935950][ T73] [ 7336.938192][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7336.938192][ T73] netdev_get_by_index+0x5e/0x80 [ 7336.938192][ T73] fib6_nh_init+0x3d8/0x1580 [ 7336.938192][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7336.938192][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7336.938192][ T73] ipv6_add_addr+0x411/0x2000 [ 7336.938192][ T73] inet6_addr_add+0x30e/0xa40 [ 7336.938192][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7336.938192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.938192][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.938192][ T73] netlink_unicast+0x449/0x710 [ 7336.938192][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.938192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.938192][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.938192][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.938192][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.938192][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.938192][ T73] [ 7336.940434][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7336.940434][ T73] netdev_get_by_index+0x5e/0x80 [ 7336.940434][ T73] fib6_nh_init+0x3d8/0x1580 [ 7336.940434][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7336.940434][ T73] ip6_route_add+0x1c/0x140 [ 7336.940434][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7336.940434][ T73] addrconf_add_dev+0xe2/0x170 [ 7336.940434][ T73] inet6_addr_add+0x12f/0xa40 [ 7336.940434][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7336.940434][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.940434][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.940434][ T73] netlink_unicast+0x449/0x710 [ 7336.940434][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.940434][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.940434][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.940434][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.940434][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.940434][ T73] [ 7336.942639][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7336.942639][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7336.942639][ T73] ipv6_find_idev+0x102/0x170 [ 7336.942639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7336.942639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.942639][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.942639][ T73] netlink_unicast+0x449/0x710 [ 7336.942639][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.942639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.942639][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.942639][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.942639][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.942639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.942639][ T73] [ 7336.944357][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7336.944357][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7336.944357][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7336.944357][ T73] ipv6_find_idev+0x102/0x170 [ 7336.944357][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7336.944357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.944357][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.944357][ T73] netlink_unicast+0x449/0x710 [ 7336.944357][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.944357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.944357][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.944357][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.944357][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.944357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.944357][ T73] [ 7336.946339][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7336.946600][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7336.946600][ T73] dst_init+0x84/0x4a0 [ 7336.946600][ T73] dst_alloc+0x97/0x150 [ 7336.946600][ T73] ip6_dst_alloc+0x23/0x90 [ 7336.946600][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7336.946600][ T73] ip6_pol_route+0x56f/0x840 [ 7336.946600][ T73] fib6_rule_lookup+0x456/0x630 [ 7336.946600][ T73] ip6_route_input+0x59c/0xa50 [ 7336.946600][ T73] ipv6_rcv+0x397/0x810 [ 7336.946600][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7336.946600][ T73] process_backlog+0x101/0x620 [ 7336.946600][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7336.946600][ T73] net_rx_action+0x495/0xbe0 [ 7336.946600][ T73] __do_softirq+0x1b5/0x7f6 [ 7336.946600][ T73] [ 7336.948424][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7336.948424][ T73] netdev_get_by_index+0x5e/0x80 [ 7336.948424][ T73] fib6_nh_init+0x3d8/0x1580 [ 7336.948424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7336.948424][ T73] ip6_route_add+0x1c/0x140 [ 7336.948424][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7336.948424][ T73] inet6_addr_add+0x4f8/0xa40 [ 7336.948424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7336.948424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.948424][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.948424][ T73] netlink_unicast+0x449/0x710 [ 7336.948424][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.948424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.948424][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.948424][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.948424][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.948424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.948424][ T73] [ 7336.950657][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7336.950657][ T73] netdev_get_by_index+0x5e/0x80 [ 7336.950657][ T73] fib6_nh_init+0x3d8/0x1580 [ 7336.950657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7336.950657][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7336.950657][ T73] ipv6_add_addr+0x411/0x2000 [ 7336.950657][ T73] inet6_addr_add+0x30e/0xa40 [ 7336.950657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7336.950657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.950657][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.950657][ T73] netlink_unicast+0x449/0x710 [ 7336.950657][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.950657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.950657][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.950657][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.950657][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.950657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.950657][ T73] [ 7336.952894][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7336.952894][ T73] netdev_get_by_index+0x5e/0x80 [ 7336.952894][ T73] fib6_nh_init+0x3d8/0x1580 [ 7336.952894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7336.952894][ T73] ip6_route_add+0x1c/0x140 [ 7336.952894][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7336.952894][ T73] addrconf_add_dev+0xe2/0x170 [ 7336.952894][ T73] inet6_addr_add+0x12f/0xa40 [ 7336.952894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7336.952894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.952894][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.952894][ T73] netlink_unicast+0x449/0x710 [ 7336.952894][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.952894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.952894][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.952894][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.952894][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.952894][ T73] [ 7336.955146][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7336.955146][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7336.955146][ T73] ipv6_find_idev+0x102/0x170 [ 7336.955146][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7336.955146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.955146][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.955146][ T73] netlink_unicast+0x449/0x710 [ 7336.955146][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.955146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.955146][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.955146][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.955146][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.955146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.955146][ T73] [ 7336.956839][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7336.956839][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7336.956839][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7336.956839][ T73] ipv6_find_idev+0x102/0x170 [ 7336.956839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7336.956839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7336.956839][ T73] netlink_rcv_skb+0x130/0x360 [ 7336.956839][ T73] netlink_unicast+0x449/0x710 [ 7336.956839][ T73] netlink_sendmsg+0x723/0xbe0 [ 7336.956839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7336.956839][ T73] ___sys_sendmsg+0xee/0x170 [ 7336.956839][ T73] __sys_sendmsg+0xcd/0x170 [ 7336.956839][ T73] do_syscall_64+0xc6/0x1e0 [ 7336.956839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7336.956839][ T73] [ 7338.765633][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7338.766178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7338.766178][ T1076] netdev_get_by_index+0x5e/0x80 [ 7338.766178][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7338.766178][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7338.766178][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7338.766178][ T1076] ipv6_add_addr+0x411/0x2000 [ 7338.766178][ T1076] inet6_addr_add+0x30e/0xa40 [ 7338.766178][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7338.766178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.766178][ T1076] netlink_rcv_skb+0x130/0x360 [ 7338.766178][ T1076] netlink_unicast+0x449/0x710 [ 7338.766178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7338.766178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7338.766178][ T1076] ___sys_sendmsg+0xee/0x170 [ 7338.766178][ T1076] __sys_sendmsg+0xcd/0x170 [ 7338.766178][ T1076] do_syscall_64+0xc6/0x1e0 [ 7338.766178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.766178][ T1076] [ 7338.768510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7338.768510][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7338.768510][ T1076] ipv6_find_idev+0x102/0x170 [ 7338.768510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7338.768510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.768510][ T1076] netlink_rcv_skb+0x130/0x360 [ 7338.768510][ T1076] netlink_unicast+0x449/0x710 [ 7338.768510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7338.768510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7338.768510][ T1076] ___sys_sendmsg+0xee/0x170 [ 7338.768510][ T1076] __sys_sendmsg+0xcd/0x170 [ 7338.768510][ T1076] do_syscall_64+0xc6/0x1e0 [ 7338.768510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.768510][ T1076] [ 7338.770290][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7338.770290][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7338.770290][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7338.770290][ T1076] ipv6_find_idev+0x102/0x170 [ 7338.770290][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7338.770290][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7338.770290][ T1076] netlink_rcv_skb+0x130/0x360 [ 7338.770290][ T1076] netlink_unicast+0x449/0x710 [ 7338.770290][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7338.770290][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7338.770290][ T1076] ___sys_sendmsg+0xee/0x170 [ 7338.770290][ T1076] __sys_sendmsg+0xcd/0x170 [ 7338.770290][ T1076] do_syscall_64+0xc6/0x1e0 [ 7338.770290][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7338.770290][ T1076] [ 7347.197641][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7347.198079][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7347.198079][ T73] dst_init+0x84/0x4a0 [ 7347.198079][ T73] dst_alloc+0x97/0x150 [ 7347.198079][ T73] ip6_dst_alloc+0x23/0x90 [ 7347.198079][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7347.198079][ T73] ip6_pol_route+0x56f/0x840 [ 7347.198079][ T73] fib6_rule_lookup+0x456/0x630 [ 7347.198079][ T73] ip6_route_input+0x59c/0xa50 [ 7347.198079][ T73] ipv6_rcv+0x397/0x810 [ 7347.198079][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7347.198079][ T73] process_backlog+0x101/0x620 [ 7347.198079][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7347.198079][ T73] net_rx_action+0x495/0xbe0 [ 7347.198079][ T73] __do_softirq+0x1b5/0x7f6 [ 7347.198079][ T73] [ 7347.199800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7347.199800][ T73] netdev_get_by_index+0x5e/0x80 [ 7347.199800][ T73] fib6_nh_init+0x3d8/0x1580 [ 7347.199800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7347.199800][ T73] ip6_route_add+0x1c/0x140 [ 7347.199800][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7347.199800][ T73] inet6_addr_add+0x4f8/0xa40 [ 7347.199800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.199800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.199800][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.199800][ T73] netlink_unicast+0x449/0x710 [ 7347.199800][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.199800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.199800][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.199800][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.199800][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.199800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.199800][ T73] [ 7347.201863][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7347.201863][ T73] netdev_get_by_index+0x5e/0x80 [ 7347.201863][ T73] fib6_nh_init+0x3d8/0x1580 [ 7347.201863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7347.201863][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7347.201863][ T73] ipv6_add_addr+0x411/0x2000 [ 7347.201863][ T73] inet6_addr_add+0x30e/0xa40 [ 7347.201863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.201863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.201863][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.201863][ T73] netlink_unicast+0x449/0x710 [ 7347.201863][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.201863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.201863][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.201863][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.201863][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.201863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.201863][ T73] [ 7347.203889][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7347.203889][ T73] netdev_get_by_index+0x5e/0x80 [ 7347.203889][ T73] fib6_nh_init+0x3d8/0x1580 [ 7347.203889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7347.203889][ T73] ip6_route_add+0x1c/0x140 [ 7347.203889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7347.203889][ T73] addrconf_add_dev+0xe2/0x170 [ 7347.203889][ T73] inet6_addr_add+0x12f/0xa40 [ 7347.203889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.203889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.203889][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.203889][ T73] netlink_unicast+0x449/0x710 [ 7347.203889][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.203889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.203889][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.203889][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.203889][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.203889][ T73] [ 7347.205880][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7347.205880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7347.205880][ T73] ipv6_find_idev+0x102/0x170 [ 7347.205880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7347.205880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.205880][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.205880][ T73] netlink_unicast+0x449/0x710 [ 7347.205880][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.205880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.205880][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.205880][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.205880][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.205880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.205880][ T73] [ 7347.207448][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7347.207448][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7347.207448][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7347.207448][ T73] ipv6_find_idev+0x102/0x170 [ 7347.207448][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7347.207448][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.207448][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.207448][ T73] netlink_unicast+0x449/0x710 [ 7347.207448][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.207448][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.207448][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.207448][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.207448][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.207448][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.207448][ T73] [ 7347.209177][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7347.209420][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7347.209420][ T73] dst_init+0x84/0x4a0 [ 7347.209420][ T73] dst_alloc+0x97/0x150 [ 7347.209420][ T73] ip6_dst_alloc+0x23/0x90 [ 7347.209420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7347.209420][ T73] ip6_pol_route+0x56f/0x840 [ 7347.209420][ T73] fib6_rule_lookup+0x456/0x630 [ 7347.209420][ T73] ip6_route_input+0x59c/0xa50 [ 7347.209420][ T73] ipv6_rcv+0x397/0x810 [ 7347.209420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7347.209420][ T73] process_backlog+0x101/0x620 [ 7347.209420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7347.209420][ T73] net_rx_action+0x495/0xbe0 [ 7347.209420][ T73] __do_softirq+0x1b5/0x7f6 [ 7347.209420][ T73] [ 7347.211087][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7347.211087][ T73] netdev_get_by_index+0x5e/0x80 [ 7347.211087][ T73] fib6_nh_init+0x3d8/0x1580 [ 7347.211087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7347.211087][ T73] ip6_route_add+0x1c/0x140 [ 7347.211087][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7347.211087][ T73] inet6_addr_add+0x4f8/0xa40 [ 7347.211087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.211087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.211087][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.211087][ T73] netlink_unicast+0x449/0x710 [ 7347.211087][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.211087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.211087][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.211087][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.211087][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.211087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.211087][ T73] [ 7347.213115][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7347.213115][ T73] netdev_get_by_index+0x5e/0x80 [ 7347.213115][ T73] fib6_nh_init+0x3d8/0x1580 [ 7347.213115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7347.213115][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7347.213115][ T73] ipv6_add_addr+0x411/0x2000 [ 7347.213115][ T73] inet6_addr_add+0x30e/0xa40 [ 7347.213115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.213115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.213115][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.213115][ T73] netlink_unicast+0x449/0x710 [ 7347.213115][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.213115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.213115][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.213115][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.213115][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.213115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.213115][ T73] [ 7347.215144][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7347.215144][ T73] netdev_get_by_index+0x5e/0x80 [ 7347.215144][ T73] fib6_nh_init+0x3d8/0x1580 [ 7347.215144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7347.215144][ T73] ip6_route_add+0x1c/0x140 [ 7347.215144][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7347.215144][ T73] addrconf_add_dev+0xe2/0x170 [ 7347.215144][ T73] inet6_addr_add+0x12f/0xa40 [ 7347.215144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7347.215144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.215144][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.215144][ T73] netlink_unicast+0x449/0x710 [ 7347.215144][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.215144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.215144][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.215144][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.215144][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.215144][ T73] [ 7347.217171][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7347.217171][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7347.217171][ T73] ipv6_find_idev+0x102/0x170 [ 7347.217171][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7347.217171][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.217171][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.217171][ T73] netlink_unicast+0x449/0x710 [ 7347.217171][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.217171][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.217171][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.217171][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.217171][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.217171][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.217171][ T73] [ 7347.218730][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7347.218730][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7347.218730][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7347.218730][ T73] ipv6_find_idev+0x102/0x170 [ 7347.218730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7347.218730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7347.218730][ T73] netlink_rcv_skb+0x130/0x360 [ 7347.218730][ T73] netlink_unicast+0x449/0x710 [ 7347.218730][ T73] netlink_sendmsg+0x723/0xbe0 [ 7347.218730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7347.218730][ T73] ___sys_sendmsg+0xee/0x170 [ 7347.218730][ T73] __sys_sendmsg+0xcd/0x170 [ 7347.218730][ T73] do_syscall_64+0xc6/0x1e0 [ 7347.218730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7347.218730][ T73] [ 7349.021703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7349.022257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7349.022257][ T1076] netdev_get_by_index+0x5e/0x80 [ 7349.022257][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7349.022257][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7349.022257][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7349.022257][ T1076] ipv6_add_addr+0x411/0x2000 [ 7349.022257][ T1076] inet6_addr_add+0x30e/0xa40 [ 7349.022257][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7349.022257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7349.022257][ T1076] netlink_rcv_skb+0x130/0x360 [ 7349.022257][ T1076] netlink_unicast+0x449/0x710 [ 7349.022257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7349.022257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7349.022257][ T1076] ___sys_sendmsg+0xee/0x170 [ 7349.022257][ T1076] __sys_sendmsg+0xcd/0x170 [ 7349.022257][ T1076] do_syscall_64+0xc6/0x1e0 [ 7349.022257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7349.022257][ T1076] [ 7349.024811][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7349.024811][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7349.024811][ T1076] ipv6_find_idev+0x102/0x170 [ 7349.024811][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7349.024811][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7349.024811][ T1076] netlink_rcv_skb+0x130/0x360 [ 7349.024811][ T1076] netlink_unicast+0x449/0x710 [ 7349.024811][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7349.024811][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7349.024811][ T1076] ___sys_sendmsg+0xee/0x170 [ 7349.024811][ T1076] __sys_sendmsg+0xcd/0x170 [ 7349.024811][ T1076] do_syscall_64+0xc6/0x1e0 [ 7349.024811][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7349.024811][ T1076] [ 7349.026566][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7349.026566][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7349.026566][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7349.026566][ T1076] ipv6_find_idev+0x102/0x170 [ 7349.026566][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7349.026566][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7349.026566][ T1076] netlink_rcv_skb+0x130/0x360 [ 7349.026566][ T1076] netlink_unicast+0x449/0x710 [ 7349.026566][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7349.026566][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7349.026566][ T1076] ___sys_sendmsg+0xee/0x170 [ 7349.026566][ T1076] __sys_sendmsg+0xcd/0x170 [ 7349.026566][ T1076] do_syscall_64+0xc6/0x1e0 [ 7349.026566][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7349.026566][ T1076] [ 7357.461645][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7357.462163][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7357.462163][ T73] dst_init+0x84/0x4a0 [ 7357.462163][ T73] dst_alloc+0x97/0x150 [ 7357.462163][ T73] ip6_dst_alloc+0x23/0x90 [ 7357.462163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7357.462163][ T73] ip6_pol_route+0x56f/0x840 [ 7357.462163][ T73] fib6_rule_lookup+0x456/0x630 [ 7357.462163][ T73] ip6_route_input+0x59c/0xa50 [ 7357.462163][ T73] ipv6_rcv+0x397/0x810 [ 7357.462163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7357.462163][ T73] process_backlog+0x101/0x620 [ 7357.462163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7357.462163][ T73] net_rx_action+0x495/0xbe0 [ 7357.462163][ T73] __do_softirq+0x1b5/0x7f6 [ 7357.462163][ T73] [ 7357.464019][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7357.464019][ T73] netdev_get_by_index+0x5e/0x80 [ 7357.464019][ T73] fib6_nh_init+0x3d8/0x1580 [ 7357.464019][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7357.464019][ T73] ip6_route_add+0x1c/0x140 [ 7357.464019][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7357.464019][ T73] inet6_addr_add+0x4f8/0xa40 [ 7357.464019][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.464019][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.464019][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.464019][ T73] netlink_unicast+0x449/0x710 [ 7357.464019][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.464019][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.464019][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.464019][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.464019][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.464019][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.464019][ T73] [ 7357.466246][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7357.466246][ T73] netdev_get_by_index+0x5e/0x80 [ 7357.466246][ T73] fib6_nh_init+0x3d8/0x1580 [ 7357.466246][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7357.466246][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7357.466246][ T73] ipv6_add_addr+0x411/0x2000 [ 7357.466246][ T73] inet6_addr_add+0x30e/0xa40 [ 7357.466246][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.466246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.466246][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.466246][ T73] netlink_unicast+0x449/0x710 [ 7357.466246][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.466246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.466246][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.466246][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.466246][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.466246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.466246][ T73] [ 7357.468477][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7357.468477][ T73] netdev_get_by_index+0x5e/0x80 [ 7357.468477][ T73] fib6_nh_init+0x3d8/0x1580 [ 7357.468477][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7357.468477][ T73] ip6_route_add+0x1c/0x140 [ 7357.468477][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7357.468477][ T73] addrconf_add_dev+0xe2/0x170 [ 7357.468477][ T73] inet6_addr_add+0x12f/0xa40 [ 7357.468477][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.468477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.468477][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.468477][ T73] netlink_unicast+0x449/0x710 [ 7357.468477][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.468477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.468477][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.468477][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.468477][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.468477][ T73] [ 7357.470686][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7357.470686][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7357.470686][ T73] ipv6_find_idev+0x102/0x170 [ 7357.470686][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7357.470686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.470686][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.470686][ T73] netlink_unicast+0x449/0x710 [ 7357.470686][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.470686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.470686][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.470686][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.470686][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.470686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.470686][ T73] [ 7357.472420][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7357.472420][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7357.472420][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7357.472420][ T73] ipv6_find_idev+0x102/0x170 [ 7357.472420][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7357.472420][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.472420][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.472420][ T73] netlink_unicast+0x449/0x710 [ 7357.472420][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.472420][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.472420][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.472420][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.472420][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.472420][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.472420][ T73] [ 7357.474310][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7357.474574][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7357.474574][ T73] dst_init+0x84/0x4a0 [ 7357.474574][ T73] dst_alloc+0x97/0x150 [ 7357.474574][ T73] ip6_dst_alloc+0x23/0x90 [ 7357.474574][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7357.474574][ T73] ip6_pol_route+0x56f/0x840 [ 7357.474574][ T73] fib6_rule_lookup+0x456/0x630 [ 7357.474574][ T73] ip6_route_input+0x59c/0xa50 [ 7357.474574][ T73] ipv6_rcv+0x397/0x810 [ 7357.474574][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7357.474574][ T73] process_backlog+0x101/0x620 [ 7357.474574][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7357.474574][ T73] net_rx_action+0x495/0xbe0 [ 7357.474574][ T73] __do_softirq+0x1b5/0x7f6 [ 7357.474574][ T73] [ 7357.476400][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7357.476400][ T73] netdev_get_by_index+0x5e/0x80 [ 7357.476400][ T73] fib6_nh_init+0x3d8/0x1580 [ 7357.476400][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7357.476400][ T73] ip6_route_add+0x1c/0x140 [ 7357.476400][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7357.476400][ T73] inet6_addr_add+0x4f8/0xa40 [ 7357.476400][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.476400][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.476400][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.476400][ T73] netlink_unicast+0x449/0x710 [ 7357.476400][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.476400][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.476400][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.476400][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.476400][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.476400][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.476400][ T73] [ 7357.478643][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7357.478643][ T73] netdev_get_by_index+0x5e/0x80 [ 7357.478643][ T73] fib6_nh_init+0x3d8/0x1580 [ 7357.478643][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7357.478643][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7357.478643][ T73] ipv6_add_addr+0x411/0x2000 [ 7357.478643][ T73] inet6_addr_add+0x30e/0xa40 [ 7357.478643][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.478643][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.478643][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.478643][ T73] netlink_unicast+0x449/0x710 [ 7357.478643][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.478643][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.478643][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.478643][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.478643][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.478643][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.478643][ T73] [ 7357.480882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7357.480882][ T73] netdev_get_by_index+0x5e/0x80 [ 7357.480882][ T73] fib6_nh_init+0x3d8/0x1580 [ 7357.480882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7357.480882][ T73] ip6_route_add+0x1c/0x140 [ 7357.480882][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7357.480882][ T73] addrconf_add_dev+0xe2/0x170 [ 7357.480882][ T73] inet6_addr_add+0x12f/0xa40 [ 7357.480882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7357.480882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.480882][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.480882][ T73] netlink_unicast+0x449/0x710 [ 7357.480882][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.480882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.480882][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.480882][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.480882][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.480882][ T73] [ 7357.483077][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7357.483077][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7357.483077][ T73] ipv6_find_idev+0x102/0x170 [ 7357.483077][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7357.483077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.483077][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.483077][ T73] netlink_unicast+0x449/0x710 [ 7357.483077][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.483077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.483077][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.483077][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.483077][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.483077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.483077][ T73] [ 7357.484785][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7357.484785][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7357.484785][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7357.484785][ T73] ipv6_find_idev+0x102/0x170 [ 7357.484785][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7357.484785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7357.484785][ T73] netlink_rcv_skb+0x130/0x360 [ 7357.484785][ T73] netlink_unicast+0x449/0x710 [ 7357.484785][ T73] netlink_sendmsg+0x723/0xbe0 [ 7357.484785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7357.484785][ T73] ___sys_sendmsg+0xee/0x170 [ 7357.484785][ T73] __sys_sendmsg+0xcd/0x170 [ 7357.484785][ T73] do_syscall_64+0xc6/0x1e0 [ 7357.484785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7357.484785][ T73] [ 7359.277651][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7359.278176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7359.278176][ T1076] netdev_get_by_index+0x5e/0x80 [ 7359.278176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7359.278176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7359.278176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7359.278176][ T1076] ipv6_add_addr+0x411/0x2000 [ 7359.278176][ T1076] inet6_addr_add+0x30e/0xa40 [ 7359.278176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7359.278176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7359.278176][ T1076] netlink_rcv_skb+0x130/0x360 [ 7359.278176][ T1076] netlink_unicast+0x449/0x710 [ 7359.278176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7359.278176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7359.278176][ T1076] ___sys_sendmsg+0xee/0x170 [ 7359.278176][ T1076] __sys_sendmsg+0xcd/0x170 [ 7359.278176][ T1076] do_syscall_64+0xc6/0x1e0 [ 7359.278176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7359.278176][ T1076] [ 7359.280484][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7359.280484][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7359.280484][ T1076] ipv6_find_idev+0x102/0x170 [ 7359.280484][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7359.280484][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7359.280484][ T1076] netlink_rcv_skb+0x130/0x360 [ 7359.280484][ T1076] netlink_unicast+0x449/0x710 [ 7359.280484][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7359.280484][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7359.280484][ T1076] ___sys_sendmsg+0xee/0x170 [ 7359.280484][ T1076] __sys_sendmsg+0xcd/0x170 [ 7359.280484][ T1076] do_syscall_64+0xc6/0x1e0 [ 7359.280484][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7359.280484][ T1076] [ 7359.282220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7359.282220][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7359.282220][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7359.282220][ T1076] ipv6_find_idev+0x102/0x170 [ 7359.282220][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7359.282220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7359.282220][ T1076] netlink_rcv_skb+0x130/0x360 [ 7359.282220][ T1076] netlink_unicast+0x449/0x710 [ 7359.282220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7359.282220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7359.282220][ T1076] ___sys_sendmsg+0xee/0x170 [ 7359.282220][ T1076] __sys_sendmsg+0xcd/0x170 [ 7359.282220][ T1076] do_syscall_64+0xc6/0x1e0 [ 7359.282220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7359.282220][ T1076] [ 7367.709678][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7367.710219][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7367.710219][ T73] dst_init+0x84/0x4a0 [ 7367.710219][ T73] dst_alloc+0x97/0x150 [ 7367.710219][ T73] ip6_dst_alloc+0x23/0x90 [ 7367.710219][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7367.710219][ T73] ip6_pol_route+0x56f/0x840 [ 7367.710219][ T73] fib6_rule_lookup+0x456/0x630 [ 7367.710219][ T73] ip6_route_input+0x59c/0xa50 [ 7367.710219][ T73] ipv6_rcv+0x397/0x810 [ 7367.710219][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7367.710219][ T73] process_backlog+0x101/0x620 [ 7367.710219][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7367.710219][ T73] net_rx_action+0x495/0xbe0 [ 7367.710219][ T73] __do_softirq+0x1b5/0x7f6 [ 7367.710219][ T73] [ 7367.712084][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7367.712084][ T73] netdev_get_by_index+0x5e/0x80 [ 7367.712084][ T73] fib6_nh_init+0x3d8/0x1580 [ 7367.712084][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7367.712084][ T73] ip6_route_add+0x1c/0x140 [ 7367.712084][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7367.712084][ T73] inet6_addr_add+0x4f8/0xa40 [ 7367.712084][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.712084][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.712084][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.712084][ T73] netlink_unicast+0x449/0x710 [ 7367.712084][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.712084][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.712084][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.712084][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.712084][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.712084][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.712084][ T73] [ 7367.714321][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7367.714321][ T73] netdev_get_by_index+0x5e/0x80 [ 7367.714321][ T73] fib6_nh_init+0x3d8/0x1580 [ 7367.714321][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7367.714321][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7367.714321][ T73] ipv6_add_addr+0x411/0x2000 [ 7367.714321][ T73] inet6_addr_add+0x30e/0xa40 [ 7367.714321][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.714321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.714321][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.714321][ T73] netlink_unicast+0x449/0x710 [ 7367.714321][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.714321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.714321][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.714321][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.714321][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.714321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.714321][ T73] [ 7367.716551][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7367.716551][ T73] netdev_get_by_index+0x5e/0x80 [ 7367.716551][ T73] fib6_nh_init+0x3d8/0x1580 [ 7367.716551][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7367.716551][ T73] ip6_route_add+0x1c/0x140 [ 7367.716551][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7367.716551][ T73] addrconf_add_dev+0xe2/0x170 [ 7367.716551][ T73] inet6_addr_add+0x12f/0xa40 [ 7367.716551][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.716551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.716551][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.716551][ T73] netlink_unicast+0x449/0x710 [ 7367.716551][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.716551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.716551][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.716551][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.716551][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.716551][ T73] [ 7367.718748][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7367.718748][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7367.718748][ T73] ipv6_find_idev+0x102/0x170 [ 7367.718748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7367.718748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.718748][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.718748][ T73] netlink_unicast+0x449/0x710 [ 7367.718748][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.718748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.718748][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.718748][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.718748][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.718748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.718748][ T73] [ 7367.720494][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7367.720494][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7367.720494][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7367.720494][ T73] ipv6_find_idev+0x102/0x170 [ 7367.720494][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7367.720494][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.720494][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.720494][ T73] netlink_unicast+0x449/0x710 [ 7367.720494][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.720494][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.720494][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.720494][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.720494][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.720494][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.720494][ T73] [ 7367.722389][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7367.722667][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7367.722667][ T73] dst_init+0x84/0x4a0 [ 7367.722667][ T73] dst_alloc+0x97/0x150 [ 7367.722667][ T73] ip6_dst_alloc+0x23/0x90 [ 7367.722667][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7367.722667][ T73] ip6_pol_route+0x56f/0x840 [ 7367.722667][ T73] fib6_rule_lookup+0x456/0x630 [ 7367.722667][ T73] ip6_route_input+0x59c/0xa50 [ 7367.722667][ T73] ipv6_rcv+0x397/0x810 [ 7367.722667][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7367.722667][ T73] process_backlog+0x101/0x620 [ 7367.722667][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7367.722667][ T73] net_rx_action+0x495/0xbe0 [ 7367.722667][ T73] __do_softirq+0x1b5/0x7f6 [ 7367.722667][ T73] [ 7367.724504][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7367.724504][ T73] netdev_get_by_index+0x5e/0x80 [ 7367.724504][ T73] fib6_nh_init+0x3d8/0x1580 [ 7367.724504][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7367.724504][ T73] ip6_route_add+0x1c/0x140 [ 7367.724504][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7367.724504][ T73] inet6_addr_add+0x4f8/0xa40 [ 7367.724504][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.724504][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.724504][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.724504][ T73] netlink_unicast+0x449/0x710 [ 7367.724504][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.724504][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.724504][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.724504][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.724504][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.724504][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.724504][ T73] [ 7367.726740][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7367.726740][ T73] netdev_get_by_index+0x5e/0x80 [ 7367.726740][ T73] fib6_nh_init+0x3d8/0x1580 [ 7367.726740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7367.726740][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7367.726740][ T73] ipv6_add_addr+0x411/0x2000 [ 7367.726740][ T73] inet6_addr_add+0x30e/0xa40 [ 7367.726740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.726740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.726740][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.726740][ T73] netlink_unicast+0x449/0x710 [ 7367.726740][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.726740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.726740][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.726740][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.726740][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.726740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.726740][ T73] [ 7367.729001][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7367.729001][ T73] netdev_get_by_index+0x5e/0x80 [ 7367.729001][ T73] fib6_nh_init+0x3d8/0x1580 [ 7367.729001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7367.729001][ T73] ip6_route_add+0x1c/0x140 [ 7367.729001][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7367.729001][ T73] addrconf_add_dev+0xe2/0x170 [ 7367.729001][ T73] inet6_addr_add+0x12f/0xa40 [ 7367.729001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7367.729001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.729001][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.729001][ T73] netlink_unicast+0x449/0x710 [ 7367.729001][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.729001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.729001][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.729001][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.729001][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.729001][ T73] [ 7367.731185][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7367.731185][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7367.731185][ T73] ipv6_find_idev+0x102/0x170 [ 7367.731185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7367.731185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.731185][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.731185][ T73] netlink_unicast+0x449/0x710 [ 7367.731185][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.731185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.731185][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.731185][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.731185][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.731185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.731185][ T73] [ 7367.732915][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7367.732915][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7367.732915][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7367.732915][ T73] ipv6_find_idev+0x102/0x170 [ 7367.732915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7367.732915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7367.732915][ T73] netlink_rcv_skb+0x130/0x360 [ 7367.732915][ T73] netlink_unicast+0x449/0x710 [ 7367.732915][ T73] netlink_sendmsg+0x723/0xbe0 [ 7367.732915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7367.732915][ T73] ___sys_sendmsg+0xee/0x170 [ 7367.732915][ T73] __sys_sendmsg+0xcd/0x170 [ 7367.732915][ T73] do_syscall_64+0xc6/0x1e0 [ 7367.732915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7367.732915][ T73] [ 7369.501700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7369.502238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7369.502238][ T1076] netdev_get_by_index+0x5e/0x80 [ 7369.502238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7369.502238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7369.502238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7369.502238][ T1076] ipv6_add_addr+0x411/0x2000 [ 7369.502238][ T1076] inet6_addr_add+0x30e/0xa40 [ 7369.502238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7369.502238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7369.502238][ T1076] netlink_rcv_skb+0x130/0x360 [ 7369.502238][ T1076] netlink_unicast+0x449/0x710 [ 7369.502238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7369.502238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7369.502238][ T1076] ___sys_sendmsg+0xee/0x170 [ 7369.502238][ T1076] __sys_sendmsg+0xcd/0x170 [ 7369.502238][ T1076] do_syscall_64+0xc6/0x1e0 [ 7369.502238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7369.502238][ T1076] [ 7369.504497][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7369.504497][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7369.504497][ T1076] ipv6_find_idev+0x102/0x170 [ 7369.504497][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7369.504497][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7369.504497][ T1076] netlink_rcv_skb+0x130/0x360 [ 7369.504497][ T1076] netlink_unicast+0x449/0x710 [ 7369.504497][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7369.504497][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7369.504497][ T1076] ___sys_sendmsg+0xee/0x170 [ 7369.504497][ T1076] __sys_sendmsg+0xcd/0x170 [ 7369.504497][ T1076] do_syscall_64+0xc6/0x1e0 [ 7369.504497][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7369.504497][ T1076] [ 7369.506223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7369.506223][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7369.506223][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7369.506223][ T1076] ipv6_find_idev+0x102/0x170 [ 7369.506223][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7369.506223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7369.506223][ T1076] netlink_rcv_skb+0x130/0x360 [ 7369.506223][ T1076] netlink_unicast+0x449/0x710 [ 7369.506223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7369.506223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7369.506223][ T1076] ___sys_sendmsg+0xee/0x170 [ 7369.506223][ T1076] __sys_sendmsg+0xcd/0x170 [ 7369.506223][ T1076] do_syscall_64+0xc6/0x1e0 [ 7369.506223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7369.506223][ T1076] [ 7374.117742][ T42] INFO: task modprobe:1264 blocked for more than 122 seconds. [ 7374.118238][ T42] Not tainted 6.8.0-virtme #1 [ 7374.118360][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7374.118623][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 7374.118885][ T42] Call Trace: [ 7374.119228][ T42] [ 7374.119301][ T42] __schedule+0x705/0x1ac0 [ 7374.119444][ T42] ? __pfx___schedule+0x10/0x10 [ 7374.119574][ T42] ? schedule+0x1a5/0x210 [ 7374.119685][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7374.119814][ T42] ? mark_lock+0x38/0x3e0 [ 7374.119908][ T42] ? do_raw_spin_lock+0x131/0x270 [ 7374.120035][ T42] ? schedule+0x1a5/0x210 [ 7374.120132][ T42] schedule+0xdf/0x210 [ 7374.120230][ T42] schedule_preempt_disabled+0x15/0x30 [ 7374.120460][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 7374.120602][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 7374.120754][ T42] ? kasan_save_stack+0x34/0x50 [ 7374.120876][ T42] ? kasan_save_stack+0x24/0x50 [ 7374.121002][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7374.121131][ T42] ? lock_acquire+0x1c1/0x220 [ 7374.121256][ T42] ? register_pernet_subsys+0x1a/0x50 [ 7374.121397][ T42] down_write+0x1c9/0x200 [ 7374.121496][ T42] ? __pfx_down_write+0x10/0x10 [ 7374.121628][ T42] ? __pfx___lock_release+0x10/0x10 [ 7374.121756][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 7374.121917][ T42] register_pernet_subsys+0x1a/0x50 [ 7374.122045][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 7374.122199][ T42] do_one_initcall+0xc8/0x3f0 [ 7374.122324][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 7374.122452][ T42] ? __create_object+0x5e/0xb0 [ 7374.122580][ T42] ? kasan_unpoison+0x27/0x60 [ 7374.122717][ T42] do_init_module+0x233/0x740 [ 7374.122852][ T42] load_module+0x16b5/0x2350 [ 7374.122986][ T42] ? __pfx_load_module+0x10/0x10 [ 7374.123110][ T42] ? kernel_read_file+0x3d2/0x520 [ 7374.123237][ T42] ? kernel_read_file+0x300/0x520 [ 7374.123362][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 7374.123494][ T42] ? init_module_from_file+0xd2/0x130 [ 7374.123624][ T42] init_module_from_file+0xd2/0x130 [ 7374.123751][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 7374.123904][ T42] ? __lock_release+0x103/0x460 [ 7374.124024][ T42] ? idempotent_init_module+0x32a/0x620 [ 7374.124157][ T42] ? idempotent_init_module+0x32a/0x620 [ 7374.124282][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 7374.124407][ T42] idempotent_init_module+0x342/0x620 [ 7374.124537][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 7374.124714][ T42] __x64_sys_finit_module+0xbe/0x130 [ 7374.124840][ T42] do_syscall_64+0xc6/0x1e0 [ 7374.124966][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7374.125119][ T42] RIP: 0033:0x7f6e8f82ce5d [ 7374.125253][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7374.125442][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 7374.125634][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 7374.125826][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 7374.126008][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 7374.126193][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 7374.126394][ T42] [ 7374.126491][ T42] [ 7374.126491][ T42] Showing all locks held in the system: [ 7374.126679][ T42] 1 lock held by khungtaskd/42: [ 7374.126800][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 7374.127032][ T42] 3 locks held by kworker/u16:1/73: [ 7374.127149][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7374.127397][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7374.127627][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 7374.127841][ T42] 2 locks held by kworker/u20:1/76: [ 7374.127958][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7374.128201][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7374.128483][ T42] 1 lock held by modprobe/1264: [ 7374.128609][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 7374.128857][ T42] [ 7374.128927][ T42] ============================================= [ 7374.128927][ T42] [ 7377.973646][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7377.974157][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7377.974157][ T73] dst_init+0x84/0x4a0 [ 7377.974157][ T73] dst_alloc+0x97/0x150 [ 7377.974157][ T73] ip6_dst_alloc+0x23/0x90 [ 7377.974157][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7377.974157][ T73] ip6_pol_route+0x56f/0x840 [ 7377.974157][ T73] fib6_rule_lookup+0x456/0x630 [ 7377.974157][ T73] ip6_route_input+0x59c/0xa50 [ 7377.974157][ T73] ipv6_rcv+0x397/0x810 [ 7377.974157][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7377.974157][ T73] process_backlog+0x101/0x620 [ 7377.974157][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7377.974157][ T73] net_rx_action+0x495/0xbe0 [ 7377.974157][ T73] __do_softirq+0x1b5/0x7f6 [ 7377.974157][ T73] [ 7377.976025][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7377.976025][ T73] netdev_get_by_index+0x5e/0x80 [ 7377.976025][ T73] fib6_nh_init+0x3d8/0x1580 [ 7377.976025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7377.976025][ T73] ip6_route_add+0x1c/0x140 [ 7377.976025][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7377.976025][ T73] inet6_addr_add+0x4f8/0xa40 [ 7377.976025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7377.976025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.976025][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.976025][ T73] netlink_unicast+0x449/0x710 [ 7377.976025][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.976025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.976025][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.976025][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.976025][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.976025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.976025][ T73] [ 7377.978252][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7377.978252][ T73] netdev_get_by_index+0x5e/0x80 [ 7377.978252][ T73] fib6_nh_init+0x3d8/0x1580 [ 7377.978252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7377.978252][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7377.978252][ T73] ipv6_add_addr+0x411/0x2000 [ 7377.978252][ T73] inet6_addr_add+0x30e/0xa40 [ 7377.978252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7377.978252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.978252][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.978252][ T73] netlink_unicast+0x449/0x710 [ 7377.978252][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.978252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.978252][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.978252][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.978252][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.978252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.978252][ T73] [ 7377.980579][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7377.980579][ T73] netdev_get_by_index+0x5e/0x80 [ 7377.980579][ T73] fib6_nh_init+0x3d8/0x1580 [ 7377.980579][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7377.980579][ T73] ip6_route_add+0x1c/0x140 [ 7377.980579][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7377.980579][ T73] addrconf_add_dev+0xe2/0x170 [ 7377.980579][ T73] inet6_addr_add+0x12f/0xa40 [ 7377.980579][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7377.980579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.980579][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.980579][ T73] netlink_unicast+0x449/0x710 [ 7377.980579][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.980579][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.980579][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.980579][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.980579][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.980579][ T73] [ 7377.982775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7377.982775][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7377.982775][ T73] ipv6_find_idev+0x102/0x170 [ 7377.982775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7377.982775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.982775][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.982775][ T73] netlink_unicast+0x449/0x710 [ 7377.982775][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.982775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.982775][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.982775][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.982775][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.982775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.982775][ T73] [ 7377.984513][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7377.984513][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7377.984513][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7377.984513][ T73] ipv6_find_idev+0x102/0x170 [ 7377.984513][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7377.984513][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.984513][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.984513][ T73] netlink_unicast+0x449/0x710 [ 7377.984513][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.984513][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.984513][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.984513][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.984513][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.984513][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.984513][ T73] [ 7377.986404][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7377.986689][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7377.986689][ T73] dst_init+0x84/0x4a0 [ 7377.986689][ T73] dst_alloc+0x97/0x150 [ 7377.986689][ T73] ip6_dst_alloc+0x23/0x90 [ 7377.986689][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7377.986689][ T73] ip6_pol_route+0x56f/0x840 [ 7377.986689][ T73] fib6_rule_lookup+0x456/0x630 [ 7377.986689][ T73] ip6_route_input+0x59c/0xa50 [ 7377.986689][ T73] ipv6_rcv+0x397/0x810 [ 7377.986689][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7377.986689][ T73] process_backlog+0x101/0x620 [ 7377.986689][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7377.986689][ T73] net_rx_action+0x495/0xbe0 [ 7377.986689][ T73] __do_softirq+0x1b5/0x7f6 [ 7377.986689][ T73] [ 7377.988520][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7377.988520][ T73] netdev_get_by_index+0x5e/0x80 [ 7377.988520][ T73] fib6_nh_init+0x3d8/0x1580 [ 7377.988520][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7377.988520][ T73] ip6_route_add+0x1c/0x140 [ 7377.988520][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7377.988520][ T73] inet6_addr_add+0x4f8/0xa40 [ 7377.988520][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7377.988520][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.988520][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.988520][ T73] netlink_unicast+0x449/0x710 [ 7377.988520][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.988520][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.988520][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.988520][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.988520][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.988520][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.988520][ T73] [ 7377.990764][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7377.990764][ T73] netdev_get_by_index+0x5e/0x80 [ 7377.990764][ T73] fib6_nh_init+0x3d8/0x1580 [ 7377.990764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7377.990764][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7377.990764][ T73] ipv6_add_addr+0x411/0x2000 [ 7377.990764][ T73] inet6_addr_add+0x30e/0xa40 [ 7377.990764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7377.990764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.990764][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.990764][ T73] netlink_unicast+0x449/0x710 [ 7377.990764][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.990764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.990764][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.990764][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.990764][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.990764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.990764][ T73] [ 7377.992993][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7377.992993][ T73] netdev_get_by_index+0x5e/0x80 [ 7377.992993][ T73] fib6_nh_init+0x3d8/0x1580 [ 7377.992993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7377.992993][ T73] ip6_route_add+0x1c/0x140 [ 7377.992993][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7377.992993][ T73] addrconf_add_dev+0xe2/0x170 [ 7377.992993][ T73] inet6_addr_add+0x12f/0xa40 [ 7377.992993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7377.992993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.992993][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.992993][ T73] netlink_unicast+0x449/0x710 [ 7377.992993][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.992993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.992993][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.992993][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.992993][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.992993][ T73] [ 7377.995201][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7377.995201][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7377.995201][ T73] ipv6_find_idev+0x102/0x170 [ 7377.995201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7377.995201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.995201][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.995201][ T73] netlink_unicast+0x449/0x710 [ 7377.995201][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.995201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.995201][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.995201][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.995201][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.995201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.995201][ T73] [ 7377.996924][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7377.996924][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7377.996924][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7377.996924][ T73] ipv6_find_idev+0x102/0x170 [ 7377.996924][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7377.996924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7377.996924][ T73] netlink_rcv_skb+0x130/0x360 [ 7377.996924][ T73] netlink_unicast+0x449/0x710 [ 7377.996924][ T73] netlink_sendmsg+0x723/0xbe0 [ 7377.996924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7377.996924][ T73] ___sys_sendmsg+0xee/0x170 [ 7377.996924][ T73] __sys_sendmsg+0xcd/0x170 [ 7377.996924][ T73] do_syscall_64+0xc6/0x1e0 [ 7377.996924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7377.996924][ T73] [ 7379.749756][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7379.750275][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7379.750275][ T1076] netdev_get_by_index+0x5e/0x80 [ 7379.750275][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7379.750275][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7379.750275][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7379.750275][ T1076] ipv6_add_addr+0x411/0x2000 [ 7379.750275][ T1076] inet6_addr_add+0x30e/0xa40 [ 7379.750275][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7379.750275][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.750275][ T1076] netlink_rcv_skb+0x130/0x360 [ 7379.750275][ T1076] netlink_unicast+0x449/0x710 [ 7379.750275][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7379.750275][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7379.750275][ T1076] ___sys_sendmsg+0xee/0x170 [ 7379.750275][ T1076] __sys_sendmsg+0xcd/0x170 [ 7379.750275][ T1076] do_syscall_64+0xc6/0x1e0 [ 7379.750275][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.750275][ T1076] [ 7379.752521][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7379.752521][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7379.752521][ T1076] ipv6_find_idev+0x102/0x170 [ 7379.752521][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7379.752521][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.752521][ T1076] netlink_rcv_skb+0x130/0x360 [ 7379.752521][ T1076] netlink_unicast+0x449/0x710 [ 7379.752521][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7379.752521][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7379.752521][ T1076] ___sys_sendmsg+0xee/0x170 [ 7379.752521][ T1076] __sys_sendmsg+0xcd/0x170 [ 7379.752521][ T1076] do_syscall_64+0xc6/0x1e0 [ 7379.752521][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.752521][ T1076] [ 7379.754256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7379.754256][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7379.754256][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7379.754256][ T1076] ipv6_find_idev+0x102/0x170 [ 7379.754256][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7379.754256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7379.754256][ T1076] netlink_rcv_skb+0x130/0x360 [ 7379.754256][ T1076] netlink_unicast+0x449/0x710 [ 7379.754256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7379.754256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7379.754256][ T1076] ___sys_sendmsg+0xee/0x170 [ 7379.754256][ T1076] __sys_sendmsg+0xcd/0x170 [ 7379.754256][ T1076] do_syscall_64+0xc6/0x1e0 [ 7379.754256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7379.754256][ T1076] [ 7388.237629][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7388.238111][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7388.238111][ T73] dst_init+0x84/0x4a0 [ 7388.238111][ T73] dst_alloc+0x97/0x150 [ 7388.238111][ T73] ip6_dst_alloc+0x23/0x90 [ 7388.238111][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7388.238111][ T73] ip6_pol_route+0x56f/0x840 [ 7388.238111][ T73] fib6_rule_lookup+0x456/0x630 [ 7388.238111][ T73] ip6_route_input+0x59c/0xa50 [ 7388.238111][ T73] ipv6_rcv+0x397/0x810 [ 7388.238111][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7388.238111][ T73] process_backlog+0x101/0x620 [ 7388.238111][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7388.238111][ T73] net_rx_action+0x495/0xbe0 [ 7388.238111][ T73] __do_softirq+0x1b5/0x7f6 [ 7388.238111][ T73] [ 7388.239966][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7388.239966][ T73] netdev_get_by_index+0x5e/0x80 [ 7388.239966][ T73] fib6_nh_init+0x3d8/0x1580 [ 7388.239966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7388.239966][ T73] ip6_route_add+0x1c/0x140 [ 7388.239966][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7388.239966][ T73] inet6_addr_add+0x4f8/0xa40 [ 7388.239966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.239966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.239966][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.239966][ T73] netlink_unicast+0x449/0x710 [ 7388.239966][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.239966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.239966][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.239966][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.239966][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.239966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.239966][ T73] [ 7388.242209][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7388.242209][ T73] netdev_get_by_index+0x5e/0x80 [ 7388.242209][ T73] fib6_nh_init+0x3d8/0x1580 [ 7388.242209][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7388.242209][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7388.242209][ T73] ipv6_add_addr+0x411/0x2000 [ 7388.242209][ T73] inet6_addr_add+0x30e/0xa40 [ 7388.242209][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.242209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.242209][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.242209][ T73] netlink_unicast+0x449/0x710 [ 7388.242209][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.242209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.242209][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.242209][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.242209][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.242209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.242209][ T73] [ 7388.244445][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7388.244445][ T73] netdev_get_by_index+0x5e/0x80 [ 7388.244445][ T73] fib6_nh_init+0x3d8/0x1580 [ 7388.244445][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7388.244445][ T73] ip6_route_add+0x1c/0x140 [ 7388.244445][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7388.244445][ T73] addrconf_add_dev+0xe2/0x170 [ 7388.244445][ T73] inet6_addr_add+0x12f/0xa40 [ 7388.244445][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.244445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.244445][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.244445][ T73] netlink_unicast+0x449/0x710 [ 7388.244445][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.244445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.244445][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.244445][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.244445][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.244445][ T73] [ 7388.246626][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7388.246626][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7388.246626][ T73] ipv6_find_idev+0x102/0x170 [ 7388.246626][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7388.246626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.246626][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.246626][ T73] netlink_unicast+0x449/0x710 [ 7388.246626][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.246626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.246626][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.246626][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.246626][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.246626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.246626][ T73] [ 7388.248342][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7388.248342][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7388.248342][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7388.248342][ T73] ipv6_find_idev+0x102/0x170 [ 7388.248342][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7388.248342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.248342][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.248342][ T73] netlink_unicast+0x449/0x710 [ 7388.248342][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.248342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.248342][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.248342][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.248342][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.248342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.248342][ T73] [ 7388.250246][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7388.250517][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7388.250517][ T73] dst_init+0x84/0x4a0 [ 7388.250517][ T73] dst_alloc+0x97/0x150 [ 7388.250517][ T73] ip6_dst_alloc+0x23/0x90 [ 7388.250517][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7388.250517][ T73] ip6_pol_route+0x56f/0x840 [ 7388.250517][ T73] fib6_rule_lookup+0x456/0x630 [ 7388.250517][ T73] ip6_route_input+0x59c/0xa50 [ 7388.250517][ T73] ipv6_rcv+0x397/0x810 [ 7388.250517][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7388.250517][ T73] process_backlog+0x101/0x620 [ 7388.250517][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7388.250517][ T73] net_rx_action+0x495/0xbe0 [ 7388.250517][ T73] __do_softirq+0x1b5/0x7f6 [ 7388.250517][ T73] [ 7388.252357][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7388.252357][ T73] netdev_get_by_index+0x5e/0x80 [ 7388.252357][ T73] fib6_nh_init+0x3d8/0x1580 [ 7388.252357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7388.252357][ T73] ip6_route_add+0x1c/0x140 [ 7388.252357][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7388.252357][ T73] inet6_addr_add+0x4f8/0xa40 [ 7388.252357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.252357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.252357][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.252357][ T73] netlink_unicast+0x449/0x710 [ 7388.252357][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.252357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.252357][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.252357][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.252357][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.252357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.252357][ T73] [ 7388.254610][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7388.254610][ T73] netdev_get_by_index+0x5e/0x80 [ 7388.254610][ T73] fib6_nh_init+0x3d8/0x1580 [ 7388.254610][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7388.254610][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7388.254610][ T73] ipv6_add_addr+0x411/0x2000 [ 7388.254610][ T73] inet6_addr_add+0x30e/0xa40 [ 7388.254610][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.254610][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.254610][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.254610][ T73] netlink_unicast+0x449/0x710 [ 7388.254610][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.254610][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.254610][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.254610][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.254610][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.254610][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.254610][ T73] [ 7388.256841][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7388.256841][ T73] netdev_get_by_index+0x5e/0x80 [ 7388.256841][ T73] fib6_nh_init+0x3d8/0x1580 [ 7388.256841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7388.256841][ T73] ip6_route_add+0x1c/0x140 [ 7388.256841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7388.256841][ T73] addrconf_add_dev+0xe2/0x170 [ 7388.256841][ T73] inet6_addr_add+0x12f/0xa40 [ 7388.256841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7388.256841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.256841][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.256841][ T73] netlink_unicast+0x449/0x710 [ 7388.256841][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.256841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.256841][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.256841][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.256841][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.256841][ T73] [ 7388.259050][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7388.259050][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7388.259050][ T73] ipv6_find_idev+0x102/0x170 [ 7388.259050][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7388.259050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.259050][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.259050][ T73] netlink_unicast+0x449/0x710 [ 7388.259050][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.259050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.259050][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.259050][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.259050][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.259050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.259050][ T73] [ 7388.260774][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7388.260774][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7388.260774][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7388.260774][ T73] ipv6_find_idev+0x102/0x170 [ 7388.260774][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7388.260774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7388.260774][ T73] netlink_rcv_skb+0x130/0x360 [ 7388.260774][ T73] netlink_unicast+0x449/0x710 [ 7388.260774][ T73] netlink_sendmsg+0x723/0xbe0 [ 7388.260774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7388.260774][ T73] ___sys_sendmsg+0xee/0x170 [ 7388.260774][ T73] __sys_sendmsg+0xcd/0x170 [ 7388.260774][ T73] do_syscall_64+0xc6/0x1e0 [ 7388.260774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7388.260774][ T73] [ 7389.997642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7389.998191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7389.998191][ T1076] netdev_get_by_index+0x5e/0x80 [ 7389.998191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7389.998191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7389.998191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7389.998191][ T1076] ipv6_add_addr+0x411/0x2000 [ 7389.998191][ T1076] inet6_addr_add+0x30e/0xa40 [ 7389.998191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7389.998191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7389.998191][ T1076] netlink_rcv_skb+0x130/0x360 [ 7389.998191][ T1076] netlink_unicast+0x449/0x710 [ 7389.998191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7389.998191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7389.998191][ T1076] ___sys_sendmsg+0xee/0x170 [ 7389.998191][ T1076] __sys_sendmsg+0xcd/0x170 [ 7389.998191][ T1076] do_syscall_64+0xc6/0x1e0 [ 7389.998191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7389.998191][ T1076] [ 7390.000709][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7390.000709][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7390.000709][ T1076] ipv6_find_idev+0x102/0x170 [ 7390.000709][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7390.000709][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7390.000709][ T1076] netlink_rcv_skb+0x130/0x360 [ 7390.000709][ T1076] netlink_unicast+0x449/0x710 [ 7390.000709][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7390.000709][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7390.000709][ T1076] ___sys_sendmsg+0xee/0x170 [ 7390.000709][ T1076] __sys_sendmsg+0xcd/0x170 [ 7390.000709][ T1076] do_syscall_64+0xc6/0x1e0 [ 7390.000709][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7390.000709][ T1076] [ 7390.002635][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7390.002635][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7390.002635][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7390.002635][ T1076] ipv6_find_idev+0x102/0x170 [ 7390.002635][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7390.002635][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7390.002635][ T1076] netlink_rcv_skb+0x130/0x360 [ 7390.002635][ T1076] netlink_unicast+0x449/0x710 [ 7390.002635][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7390.002635][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7390.002635][ T1076] ___sys_sendmsg+0xee/0x170 [ 7390.002635][ T1076] __sys_sendmsg+0xcd/0x170 [ 7390.002635][ T1076] do_syscall_64+0xc6/0x1e0 [ 7390.002635][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7390.002635][ T1076] [ 7398.445655][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7398.446124][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7398.446124][ T73] dst_init+0x84/0x4a0 [ 7398.446124][ T73] dst_alloc+0x97/0x150 [ 7398.446124][ T73] ip6_dst_alloc+0x23/0x90 [ 7398.446124][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7398.446124][ T73] ip6_pol_route+0x56f/0x840 [ 7398.446124][ T73] fib6_rule_lookup+0x456/0x630 [ 7398.446124][ T73] ip6_route_input+0x59c/0xa50 [ 7398.446124][ T73] ipv6_rcv+0x397/0x810 [ 7398.446124][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7398.446124][ T73] process_backlog+0x101/0x620 [ 7398.446124][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7398.446124][ T73] net_rx_action+0x495/0xbe0 [ 7398.446124][ T73] __do_softirq+0x1b5/0x7f6 [ 7398.446124][ T73] [ 7398.448004][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7398.448004][ T73] netdev_get_by_index+0x5e/0x80 [ 7398.448004][ T73] fib6_nh_init+0x3d8/0x1580 [ 7398.448004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7398.448004][ T73] ip6_route_add+0x1c/0x140 [ 7398.448004][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7398.448004][ T73] inet6_addr_add+0x4f8/0xa40 [ 7398.448004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.448004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.448004][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.448004][ T73] netlink_unicast+0x449/0x710 [ 7398.448004][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.448004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.448004][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.448004][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.448004][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.448004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.448004][ T73] [ 7398.450249][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7398.450249][ T73] netdev_get_by_index+0x5e/0x80 [ 7398.450249][ T73] fib6_nh_init+0x3d8/0x1580 [ 7398.450249][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7398.450249][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7398.450249][ T73] ipv6_add_addr+0x411/0x2000 [ 7398.450249][ T73] inet6_addr_add+0x30e/0xa40 [ 7398.450249][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.450249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.450249][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.450249][ T73] netlink_unicast+0x449/0x710 [ 7398.450249][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.450249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.450249][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.450249][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.450249][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.450249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.450249][ T73] [ 7398.452479][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7398.452479][ T73] netdev_get_by_index+0x5e/0x80 [ 7398.452479][ T73] fib6_nh_init+0x3d8/0x1580 [ 7398.452479][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7398.452479][ T73] ip6_route_add+0x1c/0x140 [ 7398.452479][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7398.452479][ T73] addrconf_add_dev+0xe2/0x170 [ 7398.452479][ T73] inet6_addr_add+0x12f/0xa40 [ 7398.452479][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.452479][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.452479][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.452479][ T73] netlink_unicast+0x449/0x710 [ 7398.452479][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.452479][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.452479][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.452479][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.452479][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.452479][ T73] [ 7398.454673][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7398.454673][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7398.454673][ T73] ipv6_find_idev+0x102/0x170 [ 7398.454673][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7398.454673][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.454673][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.454673][ T73] netlink_unicast+0x449/0x710 [ 7398.454673][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.454673][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.454673][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.454673][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.454673][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.454673][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.454673][ T73] [ 7398.456399][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7398.456399][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7398.456399][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7398.456399][ T73] ipv6_find_idev+0x102/0x170 [ 7398.456399][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7398.456399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.456399][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.456399][ T73] netlink_unicast+0x449/0x710 [ 7398.456399][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.456399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.456399][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.456399][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.456399][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.456399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.456399][ T73] [ 7398.458324][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7398.458601][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7398.458601][ T73] dst_init+0x84/0x4a0 [ 7398.458601][ T73] dst_alloc+0x97/0x150 [ 7398.458601][ T73] ip6_dst_alloc+0x23/0x90 [ 7398.458601][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7398.458601][ T73] ip6_pol_route+0x56f/0x840 [ 7398.458601][ T73] fib6_rule_lookup+0x456/0x630 [ 7398.458601][ T73] ip6_route_input+0x59c/0xa50 [ 7398.458601][ T73] ipv6_rcv+0x397/0x810 [ 7398.458601][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7398.458601][ T73] process_backlog+0x101/0x620 [ 7398.458601][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7398.458601][ T73] net_rx_action+0x495/0xbe0 [ 7398.458601][ T73] __do_softirq+0x1b5/0x7f6 [ 7398.458601][ T73] [ 7398.460438][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7398.460438][ T73] netdev_get_by_index+0x5e/0x80 [ 7398.460438][ T73] fib6_nh_init+0x3d8/0x1580 [ 7398.460438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7398.460438][ T73] ip6_route_add+0x1c/0x140 [ 7398.460438][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7398.460438][ T73] inet6_addr_add+0x4f8/0xa40 [ 7398.460438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.460438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.460438][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.460438][ T73] netlink_unicast+0x449/0x710 [ 7398.460438][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.460438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.460438][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.460438][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.460438][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.460438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.460438][ T73] [ 7398.462670][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7398.462670][ T73] netdev_get_by_index+0x5e/0x80 [ 7398.462670][ T73] fib6_nh_init+0x3d8/0x1580 [ 7398.462670][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7398.462670][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7398.462670][ T73] ipv6_add_addr+0x411/0x2000 [ 7398.462670][ T73] inet6_addr_add+0x30e/0xa40 [ 7398.462670][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.462670][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.462670][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.462670][ T73] netlink_unicast+0x449/0x710 [ 7398.462670][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.462670][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.462670][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.462670][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.462670][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.462670][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.462670][ T73] [ 7398.464916][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7398.464916][ T73] netdev_get_by_index+0x5e/0x80 [ 7398.464916][ T73] fib6_nh_init+0x3d8/0x1580 [ 7398.464916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7398.464916][ T73] ip6_route_add+0x1c/0x140 [ 7398.464916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7398.464916][ T73] addrconf_add_dev+0xe2/0x170 [ 7398.464916][ T73] inet6_addr_add+0x12f/0xa40 [ 7398.464916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7398.464916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.464916][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.464916][ T73] netlink_unicast+0x449/0x710 [ 7398.464916][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.464916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.464916][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.464916][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.464916][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.464916][ T73] [ 7398.467103][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7398.467103][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7398.467103][ T73] ipv6_find_idev+0x102/0x170 [ 7398.467103][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7398.467103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.467103][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.467103][ T73] netlink_unicast+0x449/0x710 [ 7398.467103][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.467103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.467103][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.467103][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.467103][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.467103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.467103][ T73] [ 7398.468831][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7398.468831][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7398.468831][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7398.468831][ T73] ipv6_find_idev+0x102/0x170 [ 7398.468831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7398.468831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7398.468831][ T73] netlink_rcv_skb+0x130/0x360 [ 7398.468831][ T73] netlink_unicast+0x449/0x710 [ 7398.468831][ T73] netlink_sendmsg+0x723/0xbe0 [ 7398.468831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7398.468831][ T73] ___sys_sendmsg+0xee/0x170 [ 7398.468831][ T73] __sys_sendmsg+0xcd/0x170 [ 7398.468831][ T73] do_syscall_64+0xc6/0x1e0 [ 7398.468831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7398.468831][ T73] [ 7400.013659][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7400.014143][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7400.014143][ T1076] netdev_get_by_index+0x5e/0x80 [ 7400.014143][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7400.014143][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7400.014143][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7400.014143][ T1076] ipv6_add_addr+0x411/0x2000 [ 7400.014143][ T1076] inet6_addr_add+0x30e/0xa40 [ 7400.014143][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7400.014143][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7400.014143][ T1076] netlink_rcv_skb+0x130/0x360 [ 7400.014143][ T1076] netlink_unicast+0x449/0x710 [ 7400.014143][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7400.014143][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7400.014143][ T1076] ___sys_sendmsg+0xee/0x170 [ 7400.014143][ T1076] __sys_sendmsg+0xcd/0x170 [ 7400.014143][ T1076] do_syscall_64+0xc6/0x1e0 [ 7400.014143][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7400.014143][ T1076] [ 7400.016446][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7400.016446][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7400.016446][ T1076] ipv6_find_idev+0x102/0x170 [ 7400.016446][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7400.016446][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7400.016446][ T1076] netlink_rcv_skb+0x130/0x360 [ 7400.016446][ T1076] netlink_unicast+0x449/0x710 [ 7400.016446][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7400.016446][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7400.016446][ T1076] ___sys_sendmsg+0xee/0x170 [ 7400.016446][ T1076] __sys_sendmsg+0xcd/0x170 [ 7400.016446][ T1076] do_syscall_64+0xc6/0x1e0 [ 7400.016446][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7400.016446][ T1076] [ 7400.018194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7400.018194][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7400.018194][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7400.018194][ T1076] ipv6_find_idev+0x102/0x170 [ 7400.018194][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7400.018194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7400.018194][ T1076] netlink_rcv_skb+0x130/0x360 [ 7400.018194][ T1076] netlink_unicast+0x449/0x710 [ 7400.018194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7400.018194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7400.018194][ T1076] ___sys_sendmsg+0xee/0x170 [ 7400.018194][ T1076] __sys_sendmsg+0xcd/0x170 [ 7400.018194][ T1076] do_syscall_64+0xc6/0x1e0 [ 7400.018194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7400.018194][ T1076] [ 7408.717627][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7408.718100][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7408.718100][ T73] dst_init+0x84/0x4a0 [ 7408.718100][ T73] dst_alloc+0x97/0x150 [ 7408.718100][ T73] ip6_dst_alloc+0x23/0x90 [ 7408.718100][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7408.718100][ T73] ip6_pol_route+0x56f/0x840 [ 7408.718100][ T73] fib6_rule_lookup+0x456/0x630 [ 7408.718100][ T73] ip6_route_input+0x59c/0xa50 [ 7408.718100][ T73] ipv6_rcv+0x397/0x810 [ 7408.718100][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7408.718100][ T73] process_backlog+0x101/0x620 [ 7408.718100][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7408.718100][ T73] net_rx_action+0x495/0xbe0 [ 7408.718100][ T73] __do_softirq+0x1b5/0x7f6 [ 7408.718100][ T73] [ 7408.719981][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7408.719981][ T73] netdev_get_by_index+0x5e/0x80 [ 7408.719981][ T73] fib6_nh_init+0x3d8/0x1580 [ 7408.719981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7408.719981][ T73] ip6_route_add+0x1c/0x140 [ 7408.719981][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7408.719981][ T73] inet6_addr_add+0x4f8/0xa40 [ 7408.719981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.719981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.719981][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.719981][ T73] netlink_unicast+0x449/0x710 [ 7408.719981][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.719981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.719981][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.719981][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.719981][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.719981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.719981][ T73] [ 7408.722213][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7408.722213][ T73] netdev_get_by_index+0x5e/0x80 [ 7408.722213][ T73] fib6_nh_init+0x3d8/0x1580 [ 7408.722213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7408.722213][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7408.722213][ T73] ipv6_add_addr+0x411/0x2000 [ 7408.722213][ T73] inet6_addr_add+0x30e/0xa40 [ 7408.722213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.722213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.722213][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.722213][ T73] netlink_unicast+0x449/0x710 [ 7408.722213][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.722213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.722213][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.722213][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.722213][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.722213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.722213][ T73] [ 7408.724442][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7408.724442][ T73] netdev_get_by_index+0x5e/0x80 [ 7408.724442][ T73] fib6_nh_init+0x3d8/0x1580 [ 7408.724442][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7408.724442][ T73] ip6_route_add+0x1c/0x140 [ 7408.724442][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7408.724442][ T73] addrconf_add_dev+0xe2/0x170 [ 7408.724442][ T73] inet6_addr_add+0x12f/0xa40 [ 7408.724442][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.724442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.724442][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.724442][ T73] netlink_unicast+0x449/0x710 [ 7408.724442][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.724442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.724442][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.724442][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.724442][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.724442][ T73] [ 7408.726654][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7408.726654][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7408.726654][ T73] ipv6_find_idev+0x102/0x170 [ 7408.726654][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7408.726654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.726654][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.726654][ T73] netlink_unicast+0x449/0x710 [ 7408.726654][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.726654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.726654][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.726654][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.726654][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.726654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.726654][ T73] [ 7408.728378][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7408.728378][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7408.728378][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7408.728378][ T73] ipv6_find_idev+0x102/0x170 [ 7408.728378][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7408.728378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.728378][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.728378][ T73] netlink_unicast+0x449/0x710 [ 7408.728378][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.728378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.728378][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.728378][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.728378][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.728378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.728378][ T73] [ 7408.730290][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7408.730564][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7408.730564][ T73] dst_init+0x84/0x4a0 [ 7408.730564][ T73] dst_alloc+0x97/0x150 [ 7408.730564][ T73] ip6_dst_alloc+0x23/0x90 [ 7408.730564][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7408.730564][ T73] ip6_pol_route+0x56f/0x840 [ 7408.730564][ T73] fib6_rule_lookup+0x456/0x630 [ 7408.730564][ T73] ip6_route_input+0x59c/0xa50 [ 7408.730564][ T73] ipv6_rcv+0x397/0x810 [ 7408.730564][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7408.730564][ T73] process_backlog+0x101/0x620 [ 7408.730564][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7408.730564][ T73] net_rx_action+0x495/0xbe0 [ 7408.730564][ T73] __do_softirq+0x1b5/0x7f6 [ 7408.730564][ T73] [ 7408.732397][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7408.732397][ T73] netdev_get_by_index+0x5e/0x80 [ 7408.732397][ T73] fib6_nh_init+0x3d8/0x1580 [ 7408.732397][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7408.732397][ T73] ip6_route_add+0x1c/0x140 [ 7408.732397][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7408.732397][ T73] inet6_addr_add+0x4f8/0xa40 [ 7408.732397][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.732397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.732397][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.732397][ T73] netlink_unicast+0x449/0x710 [ 7408.732397][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.732397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.732397][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.732397][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.732397][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.732397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.732397][ T73] [ 7408.734650][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7408.734650][ T73] netdev_get_by_index+0x5e/0x80 [ 7408.734650][ T73] fib6_nh_init+0x3d8/0x1580 [ 7408.734650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7408.734650][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7408.734650][ T73] ipv6_add_addr+0x411/0x2000 [ 7408.734650][ T73] inet6_addr_add+0x30e/0xa40 [ 7408.734650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.734650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.734650][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.734650][ T73] netlink_unicast+0x449/0x710 [ 7408.734650][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.734650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.734650][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.734650][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.734650][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.734650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.734650][ T73] [ 7408.736902][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7408.736902][ T73] netdev_get_by_index+0x5e/0x80 [ 7408.736902][ T73] fib6_nh_init+0x3d8/0x1580 [ 7408.736902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7408.736902][ T73] ip6_route_add+0x1c/0x140 [ 7408.736902][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7408.736902][ T73] addrconf_add_dev+0xe2/0x170 [ 7408.736902][ T73] inet6_addr_add+0x12f/0xa40 [ 7408.736902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7408.736902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.736902][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.736902][ T73] netlink_unicast+0x449/0x710 [ 7408.736902][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.736902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.736902][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.736902][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.736902][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.736902][ T73] [ 7408.739139][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7408.739139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7408.739139][ T73] ipv6_find_idev+0x102/0x170 [ 7408.739139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7408.739139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.739139][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.739139][ T73] netlink_unicast+0x449/0x710 [ 7408.739139][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.739139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.739139][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.739139][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.739139][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.739139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.739139][ T73] [ 7408.740864][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7408.740864][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7408.740864][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7408.740864][ T73] ipv6_find_idev+0x102/0x170 [ 7408.740864][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7408.740864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7408.740864][ T73] netlink_rcv_skb+0x130/0x360 [ 7408.740864][ T73] netlink_unicast+0x449/0x710 [ 7408.740864][ T73] netlink_sendmsg+0x723/0xbe0 [ 7408.740864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7408.740864][ T73] ___sys_sendmsg+0xee/0x170 [ 7408.740864][ T73] __sys_sendmsg+0xcd/0x170 [ 7408.740864][ T73] do_syscall_64+0xc6/0x1e0 [ 7408.740864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7408.740864][ T73] [ 7410.021759][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7410.022269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7410.022269][ T1076] netdev_get_by_index+0x5e/0x80 [ 7410.022269][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7410.022269][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7410.022269][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7410.022269][ T1076] ipv6_add_addr+0x411/0x2000 [ 7410.022269][ T1076] inet6_addr_add+0x30e/0xa40 [ 7410.022269][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7410.022269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7410.022269][ T1076] netlink_rcv_skb+0x130/0x360 [ 7410.022269][ T1076] netlink_unicast+0x449/0x710 [ 7410.022269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7410.022269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7410.022269][ T1076] ___sys_sendmsg+0xee/0x170 [ 7410.022269][ T1076] __sys_sendmsg+0xcd/0x170 [ 7410.022269][ T1076] do_syscall_64+0xc6/0x1e0 [ 7410.022269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7410.022269][ T1076] [ 7410.024559][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7410.024559][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7410.024559][ T1076] ipv6_find_idev+0x102/0x170 [ 7410.024559][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7410.024559][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7410.024559][ T1076] netlink_rcv_skb+0x130/0x360 [ 7410.024559][ T1076] netlink_unicast+0x449/0x710 [ 7410.024559][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7410.024559][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7410.024559][ T1076] ___sys_sendmsg+0xee/0x170 [ 7410.024559][ T1076] __sys_sendmsg+0xcd/0x170 [ 7410.024559][ T1076] do_syscall_64+0xc6/0x1e0 [ 7410.024559][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7410.024559][ T1076] [ 7410.026314][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7410.026314][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7410.026314][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7410.026314][ T1076] ipv6_find_idev+0x102/0x170 [ 7410.026314][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7410.026314][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7410.026314][ T1076] netlink_rcv_skb+0x130/0x360 [ 7410.026314][ T1076] netlink_unicast+0x449/0x710 [ 7410.026314][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7410.026314][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7410.026314][ T1076] ___sys_sendmsg+0xee/0x170 [ 7410.026314][ T1076] __sys_sendmsg+0xcd/0x170 [ 7410.026314][ T1076] do_syscall_64+0xc6/0x1e0 [ 7410.026314][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7410.026314][ T1076] [ 7418.989711][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7418.990159][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7418.990159][ T73] dst_init+0x84/0x4a0 [ 7418.990159][ T73] dst_alloc+0x97/0x150 [ 7418.990159][ T73] ip6_dst_alloc+0x23/0x90 [ 7418.990159][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7418.990159][ T73] ip6_pol_route+0x56f/0x840 [ 7418.990159][ T73] fib6_rule_lookup+0x456/0x630 [ 7418.990159][ T73] ip6_route_input+0x59c/0xa50 [ 7418.990159][ T73] ipv6_rcv+0x397/0x810 [ 7418.990159][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7418.990159][ T73] process_backlog+0x101/0x620 [ 7418.990159][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7418.990159][ T73] net_rx_action+0x495/0xbe0 [ 7418.990159][ T73] __do_softirq+0x1b5/0x7f6 [ 7418.990159][ T73] [ 7418.991840][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7418.991840][ T73] netdev_get_by_index+0x5e/0x80 [ 7418.991840][ T73] fib6_nh_init+0x3d8/0x1580 [ 7418.991840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7418.991840][ T73] ip6_route_add+0x1c/0x140 [ 7418.991840][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7418.991840][ T73] inet6_addr_add+0x4f8/0xa40 [ 7418.991840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7418.991840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.991840][ T73] netlink_rcv_skb+0x130/0x360 [ 7418.991840][ T73] netlink_unicast+0x449/0x710 [ 7418.991840][ T73] netlink_sendmsg+0x723/0xbe0 [ 7418.991840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7418.991840][ T73] ___sys_sendmsg+0xee/0x170 [ 7418.991840][ T73] __sys_sendmsg+0xcd/0x170 [ 7418.991840][ T73] do_syscall_64+0xc6/0x1e0 [ 7418.991840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.991840][ T73] [ 7418.993859][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7418.993859][ T73] netdev_get_by_index+0x5e/0x80 [ 7418.993859][ T73] fib6_nh_init+0x3d8/0x1580 [ 7418.993859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7418.993859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7418.993859][ T73] ipv6_add_addr+0x411/0x2000 [ 7418.993859][ T73] inet6_addr_add+0x30e/0xa40 [ 7418.993859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7418.993859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.993859][ T73] netlink_rcv_skb+0x130/0x360 [ 7418.993859][ T73] netlink_unicast+0x449/0x710 [ 7418.993859][ T73] netlink_sendmsg+0x723/0xbe0 [ 7418.993859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7418.993859][ T73] ___sys_sendmsg+0xee/0x170 [ 7418.993859][ T73] __sys_sendmsg+0xcd/0x170 [ 7418.993859][ T73] do_syscall_64+0xc6/0x1e0 [ 7418.993859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.993859][ T73] [ 7418.995879][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7418.995879][ T73] netdev_get_by_index+0x5e/0x80 [ 7418.995879][ T73] fib6_nh_init+0x3d8/0x1580 [ 7418.995879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7418.995879][ T73] ip6_route_add+0x1c/0x140 [ 7418.995879][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7418.995879][ T73] addrconf_add_dev+0xe2/0x170 [ 7418.995879][ T73] inet6_addr_add+0x12f/0xa40 [ 7418.995879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7418.995879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.995879][ T73] netlink_rcv_skb+0x130/0x360 [ 7418.995879][ T73] netlink_unicast+0x449/0x710 [ 7418.995879][ T73] netlink_sendmsg+0x723/0xbe0 [ 7418.995879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7418.995879][ T73] ___sys_sendmsg+0xee/0x170 [ 7418.995879][ T73] __sys_sendmsg+0xcd/0x170 [ 7418.995879][ T73] do_syscall_64+0xc6/0x1e0 [ 7418.995879][ T73] [ 7418.997860][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7418.997860][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7418.997860][ T73] ipv6_find_idev+0x102/0x170 [ 7418.997860][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7418.997860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.997860][ T73] netlink_rcv_skb+0x130/0x360 [ 7418.997860][ T73] netlink_unicast+0x449/0x710 [ 7418.997860][ T73] netlink_sendmsg+0x723/0xbe0 [ 7418.997860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7418.997860][ T73] ___sys_sendmsg+0xee/0x170 [ 7418.997860][ T73] __sys_sendmsg+0xcd/0x170 [ 7418.997860][ T73] do_syscall_64+0xc6/0x1e0 [ 7418.997860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.997860][ T73] [ 7418.999439][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7418.999439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7418.999439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7418.999439][ T73] ipv6_find_idev+0x102/0x170 [ 7418.999439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7418.999439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7418.999439][ T73] netlink_rcv_skb+0x130/0x360 [ 7418.999439][ T73] netlink_unicast+0x449/0x710 [ 7418.999439][ T73] netlink_sendmsg+0x723/0xbe0 [ 7418.999439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7418.999439][ T73] ___sys_sendmsg+0xee/0x170 [ 7418.999439][ T73] __sys_sendmsg+0xcd/0x170 [ 7418.999439][ T73] do_syscall_64+0xc6/0x1e0 [ 7418.999439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7418.999439][ T73] [ 7419.001165][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7419.001411][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7419.001411][ T73] dst_init+0x84/0x4a0 [ 7419.001411][ T73] dst_alloc+0x97/0x150 [ 7419.001411][ T73] ip6_dst_alloc+0x23/0x90 [ 7419.001411][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7419.001411][ T73] ip6_pol_route+0x56f/0x840 [ 7419.001411][ T73] fib6_rule_lookup+0x456/0x630 [ 7419.001411][ T73] ip6_route_input+0x59c/0xa50 [ 7419.001411][ T73] ipv6_rcv+0x397/0x810 [ 7419.001411][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7419.001411][ T73] process_backlog+0x101/0x620 [ 7419.001411][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7419.001411][ T73] net_rx_action+0x495/0xbe0 [ 7419.001411][ T73] __do_softirq+0x1b5/0x7f6 [ 7419.001411][ T73] [ 7419.003080][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7419.003080][ T73] netdev_get_by_index+0x5e/0x80 [ 7419.003080][ T73] fib6_nh_init+0x3d8/0x1580 [ 7419.003080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7419.003080][ T73] ip6_route_add+0x1c/0x140 [ 7419.003080][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7419.003080][ T73] inet6_addr_add+0x4f8/0xa40 [ 7419.003080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7419.003080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.003080][ T73] netlink_rcv_skb+0x130/0x360 [ 7419.003080][ T73] netlink_unicast+0x449/0x710 [ 7419.003080][ T73] netlink_sendmsg+0x723/0xbe0 [ 7419.003080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7419.003080][ T73] ___sys_sendmsg+0xee/0x170 [ 7419.003080][ T73] __sys_sendmsg+0xcd/0x170 [ 7419.003080][ T73] do_syscall_64+0xc6/0x1e0 [ 7419.003080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.003080][ T73] [ 7419.005098][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7419.005098][ T73] netdev_get_by_index+0x5e/0x80 [ 7419.005098][ T73] fib6_nh_init+0x3d8/0x1580 [ 7419.005098][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7419.005098][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7419.005098][ T73] ipv6_add_addr+0x411/0x2000 [ 7419.005098][ T73] inet6_addr_add+0x30e/0xa40 [ 7419.005098][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7419.005098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.005098][ T73] netlink_rcv_skb+0x130/0x360 [ 7419.005098][ T73] netlink_unicast+0x449/0x710 [ 7419.005098][ T73] netlink_sendmsg+0x723/0xbe0 [ 7419.005098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7419.005098][ T73] ___sys_sendmsg+0xee/0x170 [ 7419.005098][ T73] __sys_sendmsg+0xcd/0x170 [ 7419.005098][ T73] do_syscall_64+0xc6/0x1e0 [ 7419.005098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.005098][ T73] [ 7419.007127][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7419.007127][ T73] netdev_get_by_index+0x5e/0x80 [ 7419.007127][ T73] fib6_nh_init+0x3d8/0x1580 [ 7419.007127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7419.007127][ T73] ip6_route_add+0x1c/0x140 [ 7419.007127][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7419.007127][ T73] addrconf_add_dev+0xe2/0x170 [ 7419.007127][ T73] inet6_addr_add+0x12f/0xa40 [ 7419.007127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7419.007127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.007127][ T73] netlink_rcv_skb+0x130/0x360 [ 7419.007127][ T73] netlink_unicast+0x449/0x710 [ 7419.007127][ T73] netlink_sendmsg+0x723/0xbe0 [ 7419.007127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7419.007127][ T73] ___sys_sendmsg+0xee/0x170 [ 7419.007127][ T73] __sys_sendmsg+0xcd/0x170 [ 7419.007127][ T73] do_syscall_64+0xc6/0x1e0 [ 7419.007127][ T73] [ 7419.009105][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7419.009105][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7419.009105][ T73] ipv6_find_idev+0x102/0x170 [ 7419.009105][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7419.009105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.009105][ T73] netlink_rcv_skb+0x130/0x360 [ 7419.009105][ T73] netlink_unicast+0x449/0x710 [ 7419.009105][ T73] netlink_sendmsg+0x723/0xbe0 [ 7419.009105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7419.009105][ T73] ___sys_sendmsg+0xee/0x170 [ 7419.009105][ T73] __sys_sendmsg+0xcd/0x170 [ 7419.009105][ T73] do_syscall_64+0xc6/0x1e0 [ 7419.009105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.009105][ T73] [ 7419.010657][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7419.010657][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7419.010657][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7419.010657][ T73] ipv6_find_idev+0x102/0x170 [ 7419.010657][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7419.010657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7419.010657][ T73] netlink_rcv_skb+0x130/0x360 [ 7419.010657][ T73] netlink_unicast+0x449/0x710 [ 7419.010657][ T73] netlink_sendmsg+0x723/0xbe0 [ 7419.010657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7419.010657][ T73] ___sys_sendmsg+0xee/0x170 [ 7419.010657][ T73] __sys_sendmsg+0xcd/0x170 [ 7419.010657][ T73] do_syscall_64+0xc6/0x1e0 [ 7419.010657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7419.010657][ T73] [ 7420.269743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7420.270344][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7420.270344][ T1076] netdev_get_by_index+0x5e/0x80 [ 7420.270344][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7420.270344][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7420.270344][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7420.270344][ T1076] ipv6_add_addr+0x411/0x2000 [ 7420.270344][ T1076] inet6_addr_add+0x30e/0xa40 [ 7420.270344][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7420.270344][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7420.270344][ T1076] netlink_rcv_skb+0x130/0x360 [ 7420.270344][ T1076] netlink_unicast+0x449/0x710 [ 7420.270344][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7420.270344][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7420.270344][ T1076] ___sys_sendmsg+0xee/0x170 [ 7420.270344][ T1076] __sys_sendmsg+0xcd/0x170 [ 7420.270344][ T1076] do_syscall_64+0xc6/0x1e0 [ 7420.270344][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7420.270344][ T1076] [ 7420.272848][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7420.272848][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7420.272848][ T1076] ipv6_find_idev+0x102/0x170 [ 7420.272848][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7420.272848][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7420.272848][ T1076] netlink_rcv_skb+0x130/0x360 [ 7420.272848][ T1076] netlink_unicast+0x449/0x710 [ 7420.272848][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7420.272848][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7420.272848][ T1076] ___sys_sendmsg+0xee/0x170 [ 7420.272848][ T1076] __sys_sendmsg+0xcd/0x170 [ 7420.272848][ T1076] do_syscall_64+0xc6/0x1e0 [ 7420.272848][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7420.272848][ T1076] [ 7420.274758][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7420.274758][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7420.274758][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7420.274758][ T1076] ipv6_find_idev+0x102/0x170 [ 7420.274758][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7420.274758][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7420.274758][ T1076] netlink_rcv_skb+0x130/0x360 [ 7420.274758][ T1076] netlink_unicast+0x449/0x710 [ 7420.274758][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7420.274758][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7420.274758][ T1076] ___sys_sendmsg+0xee/0x170 [ 7420.274758][ T1076] __sys_sendmsg+0xcd/0x170 [ 7420.274758][ T1076] do_syscall_64+0xc6/0x1e0 [ 7420.274758][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7420.274758][ T1076] [ 7429.261706][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7429.262159][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7429.262159][ T73] dst_init+0x84/0x4a0 [ 7429.262159][ T73] dst_alloc+0x97/0x150 [ 7429.262159][ T73] ip6_dst_alloc+0x23/0x90 [ 7429.262159][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7429.262159][ T73] ip6_pol_route+0x56f/0x840 [ 7429.262159][ T73] fib6_rule_lookup+0x456/0x630 [ 7429.262159][ T73] ip6_route_input+0x59c/0xa50 [ 7429.262159][ T73] ipv6_rcv+0x397/0x810 [ 7429.262159][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7429.262159][ T73] process_backlog+0x101/0x620 [ 7429.262159][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7429.262159][ T73] net_rx_action+0x495/0xbe0 [ 7429.262159][ T73] __do_softirq+0x1b5/0x7f6 [ 7429.262159][ T73] [ 7429.263846][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7429.263846][ T73] netdev_get_by_index+0x5e/0x80 [ 7429.263846][ T73] fib6_nh_init+0x3d8/0x1580 [ 7429.263846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7429.263846][ T73] ip6_route_add+0x1c/0x140 [ 7429.263846][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7429.263846][ T73] inet6_addr_add+0x4f8/0xa40 [ 7429.263846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.263846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.263846][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.263846][ T73] netlink_unicast+0x449/0x710 [ 7429.263846][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.263846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.263846][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.263846][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.263846][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.263846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.263846][ T73] [ 7429.265874][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7429.265874][ T73] netdev_get_by_index+0x5e/0x80 [ 7429.265874][ T73] fib6_nh_init+0x3d8/0x1580 [ 7429.265874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7429.265874][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7429.265874][ T73] ipv6_add_addr+0x411/0x2000 [ 7429.265874][ T73] inet6_addr_add+0x30e/0xa40 [ 7429.265874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.265874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.265874][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.265874][ T73] netlink_unicast+0x449/0x710 [ 7429.265874][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.265874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.265874][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.265874][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.265874][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.265874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.265874][ T73] [ 7429.267885][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7429.267885][ T73] netdev_get_by_index+0x5e/0x80 [ 7429.267885][ T73] fib6_nh_init+0x3d8/0x1580 [ 7429.267885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7429.267885][ T73] ip6_route_add+0x1c/0x140 [ 7429.267885][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7429.267885][ T73] addrconf_add_dev+0xe2/0x170 [ 7429.267885][ T73] inet6_addr_add+0x12f/0xa40 [ 7429.267885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.267885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.267885][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.267885][ T73] netlink_unicast+0x449/0x710 [ 7429.267885][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.267885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.267885][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.267885][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.267885][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.267885][ T73] [ 7429.269877][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7429.269877][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7429.269877][ T73] ipv6_find_idev+0x102/0x170 [ 7429.269877][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7429.269877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.269877][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.269877][ T73] netlink_unicast+0x449/0x710 [ 7429.269877][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.269877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.269877][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.269877][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.269877][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.269877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.269877][ T73] [ 7429.271445][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7429.271445][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7429.271445][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7429.271445][ T73] ipv6_find_idev+0x102/0x170 [ 7429.271445][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7429.271445][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.271445][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.271445][ T73] netlink_unicast+0x449/0x710 [ 7429.271445][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.271445][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.271445][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.271445][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.271445][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.271445][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.271445][ T73] [ 7429.273174][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7429.273420][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7429.273420][ T73] dst_init+0x84/0x4a0 [ 7429.273420][ T73] dst_alloc+0x97/0x150 [ 7429.273420][ T73] ip6_dst_alloc+0x23/0x90 [ 7429.273420][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7429.273420][ T73] ip6_pol_route+0x56f/0x840 [ 7429.273420][ T73] fib6_rule_lookup+0x456/0x630 [ 7429.273420][ T73] ip6_route_input+0x59c/0xa50 [ 7429.273420][ T73] ipv6_rcv+0x397/0x810 [ 7429.273420][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7429.273420][ T73] process_backlog+0x101/0x620 [ 7429.273420][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7429.273420][ T73] net_rx_action+0x495/0xbe0 [ 7429.273420][ T73] __do_softirq+0x1b5/0x7f6 [ 7429.273420][ T73] [ 7429.275078][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7429.275078][ T73] netdev_get_by_index+0x5e/0x80 [ 7429.275078][ T73] fib6_nh_init+0x3d8/0x1580 [ 7429.275078][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7429.275078][ T73] ip6_route_add+0x1c/0x140 [ 7429.275078][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7429.275078][ T73] inet6_addr_add+0x4f8/0xa40 [ 7429.275078][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.275078][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.275078][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.275078][ T73] netlink_unicast+0x449/0x710 [ 7429.275078][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.275078][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.275078][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.275078][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.275078][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.275078][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.275078][ T73] [ 7429.277089][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7429.277089][ T73] netdev_get_by_index+0x5e/0x80 [ 7429.277089][ T73] fib6_nh_init+0x3d8/0x1580 [ 7429.277089][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7429.277089][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7429.277089][ T73] ipv6_add_addr+0x411/0x2000 [ 7429.277089][ T73] inet6_addr_add+0x30e/0xa40 [ 7429.277089][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.277089][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.277089][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.277089][ T73] netlink_unicast+0x449/0x710 [ 7429.277089][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.277089][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.277089][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.277089][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.277089][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.277089][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.277089][ T73] [ 7429.279117][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7429.279117][ T73] netdev_get_by_index+0x5e/0x80 [ 7429.279117][ T73] fib6_nh_init+0x3d8/0x1580 [ 7429.279117][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7429.279117][ T73] ip6_route_add+0x1c/0x140 [ 7429.279117][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7429.279117][ T73] addrconf_add_dev+0xe2/0x170 [ 7429.279117][ T73] inet6_addr_add+0x12f/0xa40 [ 7429.279117][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7429.279117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.279117][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.279117][ T73] netlink_unicast+0x449/0x710 [ 7429.279117][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.279117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.279117][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.279117][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.279117][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.279117][ T73] [ 7429.281097][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7429.281097][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7429.281097][ T73] ipv6_find_idev+0x102/0x170 [ 7429.281097][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7429.281097][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.281097][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.281097][ T73] netlink_unicast+0x449/0x710 [ 7429.281097][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.281097][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.281097][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.281097][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.281097][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.281097][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.281097][ T73] [ 7429.282659][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7429.282659][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7429.282659][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7429.282659][ T73] ipv6_find_idev+0x102/0x170 [ 7429.282659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7429.282659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7429.282659][ T73] netlink_rcv_skb+0x130/0x360 [ 7429.282659][ T73] netlink_unicast+0x449/0x710 [ 7429.282659][ T73] netlink_sendmsg+0x723/0xbe0 [ 7429.282659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7429.282659][ T73] ___sys_sendmsg+0xee/0x170 [ 7429.282659][ T73] __sys_sendmsg+0xcd/0x170 [ 7429.282659][ T73] do_syscall_64+0xc6/0x1e0 [ 7429.282659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7429.282659][ T73] [ 7430.517760][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7430.518264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7430.518264][ T1076] netdev_get_by_index+0x5e/0x80 [ 7430.518264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7430.518264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7430.518264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7430.518264][ T1076] ipv6_add_addr+0x411/0x2000 [ 7430.518264][ T1076] inet6_addr_add+0x30e/0xa40 [ 7430.518264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7430.518264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.518264][ T1076] netlink_rcv_skb+0x130/0x360 [ 7430.518264][ T1076] netlink_unicast+0x449/0x710 [ 7430.518264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7430.518264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7430.518264][ T1076] ___sys_sendmsg+0xee/0x170 [ 7430.518264][ T1076] __sys_sendmsg+0xcd/0x170 [ 7430.518264][ T1076] do_syscall_64+0xc6/0x1e0 [ 7430.518264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.518264][ T1076] [ 7430.520618][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7430.520618][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7430.520618][ T1076] ipv6_find_idev+0x102/0x170 [ 7430.520618][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7430.520618][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.520618][ T1076] netlink_rcv_skb+0x130/0x360 [ 7430.520618][ T1076] netlink_unicast+0x449/0x710 [ 7430.520618][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7430.520618][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7430.520618][ T1076] ___sys_sendmsg+0xee/0x170 [ 7430.520618][ T1076] __sys_sendmsg+0xcd/0x170 [ 7430.520618][ T1076] do_syscall_64+0xc6/0x1e0 [ 7430.520618][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.520618][ T1076] [ 7430.522351][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7430.522351][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7430.522351][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7430.522351][ T1076] ipv6_find_idev+0x102/0x170 [ 7430.522351][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7430.522351][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7430.522351][ T1076] netlink_rcv_skb+0x130/0x360 [ 7430.522351][ T1076] netlink_unicast+0x449/0x710 [ 7430.522351][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7430.522351][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7430.522351][ T1076] ___sys_sendmsg+0xee/0x170 [ 7430.522351][ T1076] __sys_sendmsg+0xcd/0x170 [ 7430.522351][ T1076] do_syscall_64+0xc6/0x1e0 [ 7430.522351][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7430.522351][ T1076] [ 7439.533715][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7439.534158][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7439.534158][ T73] dst_init+0x84/0x4a0 [ 7439.534158][ T73] dst_alloc+0x97/0x150 [ 7439.534158][ T73] ip6_dst_alloc+0x23/0x90 [ 7439.534158][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7439.534158][ T73] ip6_pol_route+0x56f/0x840 [ 7439.534158][ T73] fib6_rule_lookup+0x456/0x630 [ 7439.534158][ T73] ip6_route_input+0x59c/0xa50 [ 7439.534158][ T73] ipv6_rcv+0x397/0x810 [ 7439.534158][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7439.534158][ T73] process_backlog+0x101/0x620 [ 7439.534158][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7439.534158][ T73] net_rx_action+0x495/0xbe0 [ 7439.534158][ T73] __do_softirq+0x1b5/0x7f6 [ 7439.534158][ T73] [ 7439.535834][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7439.535834][ T73] netdev_get_by_index+0x5e/0x80 [ 7439.535834][ T73] fib6_nh_init+0x3d8/0x1580 [ 7439.535834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7439.535834][ T73] ip6_route_add+0x1c/0x140 [ 7439.535834][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7439.535834][ T73] inet6_addr_add+0x4f8/0xa40 [ 7439.535834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.535834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.535834][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.535834][ T73] netlink_unicast+0x449/0x710 [ 7439.535834][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.535834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.535834][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.535834][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.535834][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.535834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.535834][ T73] [ 7439.537856][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7439.537856][ T73] netdev_get_by_index+0x5e/0x80 [ 7439.537856][ T73] fib6_nh_init+0x3d8/0x1580 [ 7439.537856][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7439.537856][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7439.537856][ T73] ipv6_add_addr+0x411/0x2000 [ 7439.537856][ T73] inet6_addr_add+0x30e/0xa40 [ 7439.537856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.537856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.537856][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.537856][ T73] netlink_unicast+0x449/0x710 [ 7439.537856][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.537856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.537856][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.537856][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.537856][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.537856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.537856][ T73] [ 7439.539878][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7439.539878][ T73] netdev_get_by_index+0x5e/0x80 [ 7439.539878][ T73] fib6_nh_init+0x3d8/0x1580 [ 7439.539878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7439.539878][ T73] ip6_route_add+0x1c/0x140 [ 7439.539878][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7439.539878][ T73] addrconf_add_dev+0xe2/0x170 [ 7439.539878][ T73] inet6_addr_add+0x12f/0xa40 [ 7439.539878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.539878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.539878][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.539878][ T73] netlink_unicast+0x449/0x710 [ 7439.539878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.539878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.539878][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.539878][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.539878][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.539878][ T73] [ 7439.541865][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7439.541865][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7439.541865][ T73] ipv6_find_idev+0x102/0x170 [ 7439.541865][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7439.541865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.541865][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.541865][ T73] netlink_unicast+0x449/0x710 [ 7439.541865][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.541865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.541865][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.541865][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.541865][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.541865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.541865][ T73] [ 7439.543423][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7439.543423][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7439.543423][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7439.543423][ T73] ipv6_find_idev+0x102/0x170 [ 7439.543423][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7439.543423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.543423][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.543423][ T73] netlink_unicast+0x449/0x710 [ 7439.543423][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.543423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.543423][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.543423][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.543423][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.543423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.543423][ T73] [ 7439.545143][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7439.545390][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7439.545390][ T73] dst_init+0x84/0x4a0 [ 7439.545390][ T73] dst_alloc+0x97/0x150 [ 7439.545390][ T73] ip6_dst_alloc+0x23/0x90 [ 7439.545390][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7439.545390][ T73] ip6_pol_route+0x56f/0x840 [ 7439.545390][ T73] fib6_rule_lookup+0x456/0x630 [ 7439.545390][ T73] ip6_route_input+0x59c/0xa50 [ 7439.545390][ T73] ipv6_rcv+0x397/0x810 [ 7439.545390][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7439.545390][ T73] process_backlog+0x101/0x620 [ 7439.545390][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7439.545390][ T73] net_rx_action+0x495/0xbe0 [ 7439.545390][ T73] __do_softirq+0x1b5/0x7f6 [ 7439.545390][ T73] [ 7439.547060][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7439.547060][ T73] netdev_get_by_index+0x5e/0x80 [ 7439.547060][ T73] fib6_nh_init+0x3d8/0x1580 [ 7439.547060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7439.547060][ T73] ip6_route_add+0x1c/0x140 [ 7439.547060][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7439.547060][ T73] inet6_addr_add+0x4f8/0xa40 [ 7439.547060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.547060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.547060][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.547060][ T73] netlink_unicast+0x449/0x710 [ 7439.547060][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.547060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.547060][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.547060][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.547060][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.547060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.547060][ T73] [ 7439.549068][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7439.549068][ T73] netdev_get_by_index+0x5e/0x80 [ 7439.549068][ T73] fib6_nh_init+0x3d8/0x1580 [ 7439.549068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7439.549068][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7439.549068][ T73] ipv6_add_addr+0x411/0x2000 [ 7439.549068][ T73] inet6_addr_add+0x30e/0xa40 [ 7439.549068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.549068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.549068][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.549068][ T73] netlink_unicast+0x449/0x710 [ 7439.549068][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.549068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.549068][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.549068][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.549068][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.549068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.549068][ T73] [ 7439.551174][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7439.551174][ T73] netdev_get_by_index+0x5e/0x80 [ 7439.551174][ T73] fib6_nh_init+0x3d8/0x1580 [ 7439.551174][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7439.551174][ T73] ip6_route_add+0x1c/0x140 [ 7439.551174][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7439.551174][ T73] addrconf_add_dev+0xe2/0x170 [ 7439.551174][ T73] inet6_addr_add+0x12f/0xa40 [ 7439.551174][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7439.551174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.551174][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.551174][ T73] netlink_unicast+0x449/0x710 [ 7439.551174][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.551174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.551174][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.551174][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.551174][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.551174][ T73] [ 7439.553144][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7439.553144][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7439.553144][ T73] ipv6_find_idev+0x102/0x170 [ 7439.553144][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7439.553144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.553144][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.553144][ T73] netlink_unicast+0x449/0x710 [ 7439.553144][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.553144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.553144][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.553144][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.553144][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.553144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.553144][ T73] [ 7439.554698][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7439.554698][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7439.554698][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7439.554698][ T73] ipv6_find_idev+0x102/0x170 [ 7439.554698][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7439.554698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7439.554698][ T73] netlink_rcv_skb+0x130/0x360 [ 7439.554698][ T73] netlink_unicast+0x449/0x710 [ 7439.554698][ T73] netlink_sendmsg+0x723/0xbe0 [ 7439.554698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7439.554698][ T73] ___sys_sendmsg+0xee/0x170 [ 7439.554698][ T73] __sys_sendmsg+0xcd/0x170 [ 7439.554698][ T73] do_syscall_64+0xc6/0x1e0 [ 7439.554698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7439.554698][ T73] [ 7440.765730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7440.766243][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7440.766243][ T1076] netdev_get_by_index+0x5e/0x80 [ 7440.766243][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7440.766243][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7440.766243][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7440.766243][ T1076] ipv6_add_addr+0x411/0x2000 [ 7440.766243][ T1076] inet6_addr_add+0x30e/0xa40 [ 7440.766243][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7440.766243][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.766243][ T1076] netlink_rcv_skb+0x130/0x360 [ 7440.766243][ T1076] netlink_unicast+0x449/0x710 [ 7440.766243][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7440.766243][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7440.766243][ T1076] ___sys_sendmsg+0xee/0x170 [ 7440.766243][ T1076] __sys_sendmsg+0xcd/0x170 [ 7440.766243][ T1076] do_syscall_64+0xc6/0x1e0 [ 7440.766243][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.766243][ T1076] [ 7440.768519][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7440.768519][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7440.768519][ T1076] ipv6_find_idev+0x102/0x170 [ 7440.768519][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7440.768519][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.768519][ T1076] netlink_rcv_skb+0x130/0x360 [ 7440.768519][ T1076] netlink_unicast+0x449/0x710 [ 7440.768519][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7440.768519][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7440.768519][ T1076] ___sys_sendmsg+0xee/0x170 [ 7440.768519][ T1076] __sys_sendmsg+0xcd/0x170 [ 7440.768519][ T1076] do_syscall_64+0xc6/0x1e0 [ 7440.768519][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.768519][ T1076] [ 7440.770265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7440.770265][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7440.770265][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7440.770265][ T1076] ipv6_find_idev+0x102/0x170 [ 7440.770265][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7440.770265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7440.770265][ T1076] netlink_rcv_skb+0x130/0x360 [ 7440.770265][ T1076] netlink_unicast+0x449/0x710 [ 7440.770265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7440.770265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7440.770265][ T1076] ___sys_sendmsg+0xee/0x170 [ 7440.770265][ T1076] __sys_sendmsg+0xcd/0x170 [ 7440.770265][ T1076] do_syscall_64+0xc6/0x1e0 [ 7440.770265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7440.770265][ T1076] [ 7449.805647][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7449.806080][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7449.806080][ T73] dst_init+0x84/0x4a0 [ 7449.806080][ T73] dst_alloc+0x97/0x150 [ 7449.806080][ T73] ip6_dst_alloc+0x23/0x90 [ 7449.806080][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7449.806080][ T73] ip6_pol_route+0x56f/0x840 [ 7449.806080][ T73] fib6_rule_lookup+0x456/0x630 [ 7449.806080][ T73] ip6_route_input+0x59c/0xa50 [ 7449.806080][ T73] ipv6_rcv+0x397/0x810 [ 7449.806080][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7449.806080][ T73] process_backlog+0x101/0x620 [ 7449.806080][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7449.806080][ T73] net_rx_action+0x495/0xbe0 [ 7449.806080][ T73] __do_softirq+0x1b5/0x7f6 [ 7449.806080][ T73] [ 7449.807763][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7449.807763][ T73] netdev_get_by_index+0x5e/0x80 [ 7449.807763][ T73] fib6_nh_init+0x3d8/0x1580 [ 7449.807763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7449.807763][ T73] ip6_route_add+0x1c/0x140 [ 7449.807763][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7449.807763][ T73] inet6_addr_add+0x4f8/0xa40 [ 7449.807763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.807763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.807763][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.807763][ T73] netlink_unicast+0x449/0x710 [ 7449.807763][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.807763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.807763][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.807763][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.807763][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.807763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.807763][ T73] [ 7449.809767][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7449.809767][ T73] netdev_get_by_index+0x5e/0x80 [ 7449.809767][ T73] fib6_nh_init+0x3d8/0x1580 [ 7449.809767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7449.809767][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7449.809767][ T73] ipv6_add_addr+0x411/0x2000 [ 7449.809767][ T73] inet6_addr_add+0x30e/0xa40 [ 7449.809767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.809767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.809767][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.809767][ T73] netlink_unicast+0x449/0x710 [ 7449.809767][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.809767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.809767][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.809767][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.809767][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.809767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.809767][ T73] [ 7449.811765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7449.811765][ T73] netdev_get_by_index+0x5e/0x80 [ 7449.811765][ T73] fib6_nh_init+0x3d8/0x1580 [ 7449.811765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7449.811765][ T73] ip6_route_add+0x1c/0x140 [ 7449.811765][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7449.811765][ T73] addrconf_add_dev+0xe2/0x170 [ 7449.811765][ T73] inet6_addr_add+0x12f/0xa40 [ 7449.811765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.811765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.811765][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.811765][ T73] netlink_unicast+0x449/0x710 [ 7449.811765][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.811765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.811765][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.811765][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.811765][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.811765][ T73] [ 7449.813720][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7449.813720][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7449.813720][ T73] ipv6_find_idev+0x102/0x170 [ 7449.813720][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7449.813720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.813720][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.813720][ T73] netlink_unicast+0x449/0x710 [ 7449.813720][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.813720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.813720][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.813720][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.813720][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.813720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.813720][ T73] [ 7449.815249][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7449.815249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7449.815249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7449.815249][ T73] ipv6_find_idev+0x102/0x170 [ 7449.815249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7449.815249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.815249][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.815249][ T73] netlink_unicast+0x449/0x710 [ 7449.815249][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.815249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.815249][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.815249][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.815249][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.815249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.815249][ T73] [ 7449.816947][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7449.817186][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7449.817186][ T73] dst_init+0x84/0x4a0 [ 7449.817186][ T73] dst_alloc+0x97/0x150 [ 7449.817186][ T73] ip6_dst_alloc+0x23/0x90 [ 7449.817186][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7449.817186][ T73] ip6_pol_route+0x56f/0x840 [ 7449.817186][ T73] fib6_rule_lookup+0x456/0x630 [ 7449.817186][ T73] ip6_route_input+0x59c/0xa50 [ 7449.817186][ T73] ipv6_rcv+0x397/0x810 [ 7449.817186][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7449.817186][ T73] process_backlog+0x101/0x620 [ 7449.817186][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7449.817186][ T73] net_rx_action+0x495/0xbe0 [ 7449.817186][ T73] __do_softirq+0x1b5/0x7f6 [ 7449.817186][ T73] [ 7449.818818][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7449.818818][ T73] netdev_get_by_index+0x5e/0x80 [ 7449.818818][ T73] fib6_nh_init+0x3d8/0x1580 [ 7449.818818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7449.818818][ T73] ip6_route_add+0x1c/0x140 [ 7449.818818][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7449.818818][ T73] inet6_addr_add+0x4f8/0xa40 [ 7449.818818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.818818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.818818][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.818818][ T73] netlink_unicast+0x449/0x710 [ 7449.818818][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.818818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.818818][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.818818][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.818818][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.818818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.818818][ T73] [ 7449.820801][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7449.820801][ T73] netdev_get_by_index+0x5e/0x80 [ 7449.820801][ T73] fib6_nh_init+0x3d8/0x1580 [ 7449.820801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7449.820801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7449.820801][ T73] ipv6_add_addr+0x411/0x2000 [ 7449.820801][ T73] inet6_addr_add+0x30e/0xa40 [ 7449.820801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.820801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.820801][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.820801][ T73] netlink_unicast+0x449/0x710 [ 7449.820801][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.820801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.820801][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.820801][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.820801][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.820801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.820801][ T73] [ 7449.822786][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7449.822786][ T73] netdev_get_by_index+0x5e/0x80 [ 7449.822786][ T73] fib6_nh_init+0x3d8/0x1580 [ 7449.822786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7449.822786][ T73] ip6_route_add+0x1c/0x140 [ 7449.822786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7449.822786][ T73] addrconf_add_dev+0xe2/0x170 [ 7449.822786][ T73] inet6_addr_add+0x12f/0xa40 [ 7449.822786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7449.822786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.822786][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.822786][ T73] netlink_unicast+0x449/0x710 [ 7449.822786][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.822786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.822786][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.822786][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.822786][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.822786][ T73] [ 7449.824765][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7449.824765][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7449.824765][ T73] ipv6_find_idev+0x102/0x170 [ 7449.824765][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7449.824765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.824765][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.824765][ T73] netlink_unicast+0x449/0x710 [ 7449.824765][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.824765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.824765][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.824765][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.824765][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.824765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.824765][ T73] [ 7449.826294][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7449.826294][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7449.826294][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7449.826294][ T73] ipv6_find_idev+0x102/0x170 [ 7449.826294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7449.826294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7449.826294][ T73] netlink_rcv_skb+0x130/0x360 [ 7449.826294][ T73] netlink_unicast+0x449/0x710 [ 7449.826294][ T73] netlink_sendmsg+0x723/0xbe0 [ 7449.826294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7449.826294][ T73] ___sys_sendmsg+0xee/0x170 [ 7449.826294][ T73] __sys_sendmsg+0xcd/0x170 [ 7449.826294][ T73] do_syscall_64+0xc6/0x1e0 [ 7449.826294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7449.826294][ T73] [ 7451.013714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7451.014215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7451.014215][ T1076] netdev_get_by_index+0x5e/0x80 [ 7451.014215][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7451.014215][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7451.014215][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7451.014215][ T1076] ipv6_add_addr+0x411/0x2000 [ 7451.014215][ T1076] inet6_addr_add+0x30e/0xa40 [ 7451.014215][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7451.014215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7451.014215][ T1076] netlink_rcv_skb+0x130/0x360 [ 7451.014215][ T1076] netlink_unicast+0x449/0x710 [ 7451.014215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7451.014215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7451.014215][ T1076] ___sys_sendmsg+0xee/0x170 [ 7451.014215][ T1076] __sys_sendmsg+0xcd/0x170 [ 7451.014215][ T1076] do_syscall_64+0xc6/0x1e0 [ 7451.014215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7451.014215][ T1076] [ 7451.016478][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7451.016478][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7451.016478][ T1076] ipv6_find_idev+0x102/0x170 [ 7451.016478][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7451.016478][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7451.016478][ T1076] netlink_rcv_skb+0x130/0x360 [ 7451.016478][ T1076] netlink_unicast+0x449/0x710 [ 7451.016478][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7451.016478][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7451.016478][ T1076] ___sys_sendmsg+0xee/0x170 [ 7451.016478][ T1076] __sys_sendmsg+0xcd/0x170 [ 7451.016478][ T1076] do_syscall_64+0xc6/0x1e0 [ 7451.016478][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7451.016478][ T1076] [ 7451.018213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7451.018213][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7451.018213][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7451.018213][ T1076] ipv6_find_idev+0x102/0x170 [ 7451.018213][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7451.018213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7451.018213][ T1076] netlink_rcv_skb+0x130/0x360 [ 7451.018213][ T1076] netlink_unicast+0x449/0x710 [ 7451.018213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7451.018213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7451.018213][ T1076] ___sys_sendmsg+0xee/0x170 [ 7451.018213][ T1076] __sys_sendmsg+0xcd/0x170 [ 7451.018213][ T1076] do_syscall_64+0xc6/0x1e0 [ 7451.018213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7451.018213][ T1076] [ 7459.893717][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7459.894198][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7459.894198][ T73] dst_init+0x84/0x4a0 [ 7459.894198][ T73] dst_alloc+0x97/0x150 [ 7459.894198][ T73] ip6_dst_alloc+0x23/0x90 [ 7459.894198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7459.894198][ T73] ip6_pol_route+0x56f/0x840 [ 7459.894198][ T73] fib6_rule_lookup+0x456/0x630 [ 7459.894198][ T73] ip6_route_input+0x59c/0xa50 [ 7459.894198][ T73] ipv6_rcv+0x397/0x810 [ 7459.894198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7459.894198][ T73] process_backlog+0x101/0x620 [ 7459.894198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7459.894198][ T73] net_rx_action+0x495/0xbe0 [ 7459.894198][ T73] __do_softirq+0x1b5/0x7f6 [ 7459.894198][ T73] [ 7459.895910][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7459.895910][ T73] netdev_get_by_index+0x5e/0x80 [ 7459.895910][ T73] fib6_nh_init+0x3d8/0x1580 [ 7459.895910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7459.895910][ T73] ip6_route_add+0x1c/0x140 [ 7459.895910][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7459.895910][ T73] inet6_addr_add+0x4f8/0xa40 [ 7459.895910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.895910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.895910][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.895910][ T73] netlink_unicast+0x449/0x710 [ 7459.895910][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.895910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.895910][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.895910][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.895910][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.895910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.895910][ T73] [ 7459.898039][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7459.898039][ T73] netdev_get_by_index+0x5e/0x80 [ 7459.898039][ T73] fib6_nh_init+0x3d8/0x1580 [ 7459.898039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7459.898039][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7459.898039][ T73] ipv6_add_addr+0x411/0x2000 [ 7459.898039][ T73] inet6_addr_add+0x30e/0xa40 [ 7459.898039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.898039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.898039][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.898039][ T73] netlink_unicast+0x449/0x710 [ 7459.898039][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.898039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.898039][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.898039][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.898039][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.898039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.898039][ T73] [ 7459.900082][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7459.900082][ T73] netdev_get_by_index+0x5e/0x80 [ 7459.900082][ T73] fib6_nh_init+0x3d8/0x1580 [ 7459.900082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7459.900082][ T73] ip6_route_add+0x1c/0x140 [ 7459.900082][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7459.900082][ T73] addrconf_add_dev+0xe2/0x170 [ 7459.900082][ T73] inet6_addr_add+0x12f/0xa40 [ 7459.900082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.900082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.900082][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.900082][ T73] netlink_unicast+0x449/0x710 [ 7459.900082][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.900082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.900082][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.900082][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.900082][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.900082][ T73] [ 7459.902068][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7459.902068][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7459.902068][ T73] ipv6_find_idev+0x102/0x170 [ 7459.902068][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7459.902068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.902068][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.902068][ T73] netlink_unicast+0x449/0x710 [ 7459.902068][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.902068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.902068][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.902068][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.902068][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.902068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.902068][ T73] [ 7459.903651][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7459.903651][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7459.903651][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7459.903651][ T73] ipv6_find_idev+0x102/0x170 [ 7459.903651][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7459.903651][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.903651][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.903651][ T73] netlink_unicast+0x449/0x710 [ 7459.903651][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.903651][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.903651][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.903651][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.903651][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.903651][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.903651][ T73] [ 7459.905380][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7459.905627][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7459.905627][ T73] dst_init+0x84/0x4a0 [ 7459.905627][ T73] dst_alloc+0x97/0x150 [ 7459.905627][ T73] ip6_dst_alloc+0x23/0x90 [ 7459.905627][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7459.905627][ T73] ip6_pol_route+0x56f/0x840 [ 7459.905627][ T73] fib6_rule_lookup+0x456/0x630 [ 7459.905627][ T73] ip6_route_input+0x59c/0xa50 [ 7459.905627][ T73] ipv6_rcv+0x397/0x810 [ 7459.905627][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7459.905627][ T73] process_backlog+0x101/0x620 [ 7459.905627][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7459.905627][ T73] net_rx_action+0x495/0xbe0 [ 7459.905627][ T73] __do_softirq+0x1b5/0x7f6 [ 7459.905627][ T73] [ 7459.907275][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7459.907275][ T73] netdev_get_by_index+0x5e/0x80 [ 7459.907275][ T73] fib6_nh_init+0x3d8/0x1580 [ 7459.907275][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7459.907275][ T73] ip6_route_add+0x1c/0x140 [ 7459.907275][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7459.907275][ T73] inet6_addr_add+0x4f8/0xa40 [ 7459.907275][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.907275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.907275][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.907275][ T73] netlink_unicast+0x449/0x710 [ 7459.907275][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.907275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.907275][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.907275][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.907275][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.907275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.907275][ T73] [ 7459.909299][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7459.909299][ T73] netdev_get_by_index+0x5e/0x80 [ 7459.909299][ T73] fib6_nh_init+0x3d8/0x1580 [ 7459.909299][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7459.909299][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7459.909299][ T73] ipv6_add_addr+0x411/0x2000 [ 7459.909299][ T73] inet6_addr_add+0x30e/0xa40 [ 7459.909299][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.909299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.909299][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.909299][ T73] netlink_unicast+0x449/0x710 [ 7459.909299][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.909299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.909299][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.909299][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.909299][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.909299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.909299][ T73] [ 7459.911304][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7459.911304][ T73] netdev_get_by_index+0x5e/0x80 [ 7459.911304][ T73] fib6_nh_init+0x3d8/0x1580 [ 7459.911304][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7459.911304][ T73] ip6_route_add+0x1c/0x140 [ 7459.911304][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7459.911304][ T73] addrconf_add_dev+0xe2/0x170 [ 7459.911304][ T73] inet6_addr_add+0x12f/0xa40 [ 7459.911304][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7459.911304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.911304][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.911304][ T73] netlink_unicast+0x449/0x710 [ 7459.911304][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.911304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.911304][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.911304][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.911304][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.911304][ T73] [ 7459.913280][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7459.913280][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7459.913280][ T73] ipv6_find_idev+0x102/0x170 [ 7459.913280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7459.913280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.913280][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.913280][ T73] netlink_unicast+0x449/0x710 [ 7459.913280][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.913280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.913280][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.913280][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.913280][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.913280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.913280][ T73] [ 7459.914832][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7459.914832][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7459.914832][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7459.914832][ T73] ipv6_find_idev+0x102/0x170 [ 7459.914832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7459.914832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7459.914832][ T73] netlink_rcv_skb+0x130/0x360 [ 7459.914832][ T73] netlink_unicast+0x449/0x710 [ 7459.914832][ T73] netlink_sendmsg+0x723/0xbe0 [ 7459.914832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7459.914832][ T73] ___sys_sendmsg+0xee/0x170 [ 7459.914832][ T73] __sys_sendmsg+0xcd/0x170 [ 7459.914832][ T73] do_syscall_64+0xc6/0x1e0 [ 7459.914832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7459.914832][ T73] [ 7461.173718][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7461.174210][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7461.174210][ T1076] netdev_get_by_index+0x5e/0x80 [ 7461.174210][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7461.174210][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7461.174210][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7461.174210][ T1076] ipv6_add_addr+0x411/0x2000 [ 7461.174210][ T1076] inet6_addr_add+0x30e/0xa40 [ 7461.174210][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7461.174210][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7461.174210][ T1076] netlink_rcv_skb+0x130/0x360 [ 7461.174210][ T1076] netlink_unicast+0x449/0x710 [ 7461.174210][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7461.174210][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7461.174210][ T1076] ___sys_sendmsg+0xee/0x170 [ 7461.174210][ T1076] __sys_sendmsg+0xcd/0x170 [ 7461.174210][ T1076] do_syscall_64+0xc6/0x1e0 [ 7461.174210][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7461.174210][ T1076] [ 7461.176540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7461.176540][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7461.176540][ T1076] ipv6_find_idev+0x102/0x170 [ 7461.176540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7461.176540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7461.176540][ T1076] netlink_rcv_skb+0x130/0x360 [ 7461.176540][ T1076] netlink_unicast+0x449/0x710 [ 7461.176540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7461.176540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7461.176540][ T1076] ___sys_sendmsg+0xee/0x170 [ 7461.176540][ T1076] __sys_sendmsg+0xcd/0x170 [ 7461.176540][ T1076] do_syscall_64+0xc6/0x1e0 [ 7461.176540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7461.176540][ T1076] [ 7461.178276][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7461.178276][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7461.178276][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7461.178276][ T1076] ipv6_find_idev+0x102/0x170 [ 7461.178276][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7461.178276][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7461.178276][ T1076] netlink_rcv_skb+0x130/0x360 [ 7461.178276][ T1076] netlink_unicast+0x449/0x710 [ 7461.178276][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7461.178276][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7461.178276][ T1076] ___sys_sendmsg+0xee/0x170 [ 7461.178276][ T1076] __sys_sendmsg+0xcd/0x170 [ 7461.178276][ T1076] do_syscall_64+0xc6/0x1e0 [ 7461.178276][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7461.178276][ T1076] [ 7470.013714][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7470.014132][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7470.014132][ T73] dst_init+0x84/0x4a0 [ 7470.014132][ T73] dst_alloc+0x97/0x150 [ 7470.014132][ T73] ip6_dst_alloc+0x23/0x90 [ 7470.014132][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7470.014132][ T73] ip6_pol_route+0x56f/0x840 [ 7470.014132][ T73] fib6_rule_lookup+0x456/0x630 [ 7470.014132][ T73] ip6_route_input+0x59c/0xa50 [ 7470.014132][ T73] ipv6_rcv+0x397/0x810 [ 7470.014132][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7470.014132][ T73] process_backlog+0x101/0x620 [ 7470.014132][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7470.014132][ T73] net_rx_action+0x495/0xbe0 [ 7470.014132][ T73] __do_softirq+0x1b5/0x7f6 [ 7470.014132][ T73] [ 7470.015838][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7470.015838][ T73] netdev_get_by_index+0x5e/0x80 [ 7470.015838][ T73] fib6_nh_init+0x3d8/0x1580 [ 7470.015838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7470.015838][ T73] ip6_route_add+0x1c/0x140 [ 7470.015838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7470.015838][ T73] inet6_addr_add+0x4f8/0xa40 [ 7470.015838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.015838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.015838][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.015838][ T73] netlink_unicast+0x449/0x710 [ 7470.015838][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.015838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.015838][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.015838][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.015838][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.015838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.015838][ T73] [ 7470.017902][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7470.017902][ T73] netdev_get_by_index+0x5e/0x80 [ 7470.017902][ T73] fib6_nh_init+0x3d8/0x1580 [ 7470.017902][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7470.017902][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7470.017902][ T73] ipv6_add_addr+0x411/0x2000 [ 7470.017902][ T73] inet6_addr_add+0x30e/0xa40 [ 7470.017902][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.017902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.017902][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.017902][ T73] netlink_unicast+0x449/0x710 [ 7470.017902][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.017902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.017902][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.017902][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.017902][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.017902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.017902][ T73] [ 7470.019911][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7470.019911][ T73] netdev_get_by_index+0x5e/0x80 [ 7470.019911][ T73] fib6_nh_init+0x3d8/0x1580 [ 7470.019911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7470.019911][ T73] ip6_route_add+0x1c/0x140 [ 7470.019911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7470.019911][ T73] addrconf_add_dev+0xe2/0x170 [ 7470.019911][ T73] inet6_addr_add+0x12f/0xa40 [ 7470.019911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.019911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.019911][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.019911][ T73] netlink_unicast+0x449/0x710 [ 7470.019911][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.019911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.019911][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.019911][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.019911][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.019911][ T73] [ 7470.021869][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7470.021869][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7470.021869][ T73] ipv6_find_idev+0x102/0x170 [ 7470.021869][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7470.021869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.021869][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.021869][ T73] netlink_unicast+0x449/0x710 [ 7470.021869][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.021869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.021869][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.021869][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.021869][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.021869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.021869][ T73] [ 7470.023411][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7470.023411][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7470.023411][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7470.023411][ T73] ipv6_find_idev+0x102/0x170 [ 7470.023411][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7470.023411][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.023411][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.023411][ T73] netlink_unicast+0x449/0x710 [ 7470.023411][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.023411][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.023411][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.023411][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.023411][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.023411][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.023411][ T73] [ 7470.025138][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7470.025382][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7470.025382][ T73] dst_init+0x84/0x4a0 [ 7470.025382][ T73] dst_alloc+0x97/0x150 [ 7470.025382][ T73] ip6_dst_alloc+0x23/0x90 [ 7470.025382][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7470.025382][ T73] ip6_pol_route+0x56f/0x840 [ 7470.025382][ T73] fib6_rule_lookup+0x456/0x630 [ 7470.025382][ T73] ip6_route_input+0x59c/0xa50 [ 7470.025382][ T73] ipv6_rcv+0x397/0x810 [ 7470.025382][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7470.025382][ T73] process_backlog+0x101/0x620 [ 7470.025382][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7470.025382][ T73] net_rx_action+0x495/0xbe0 [ 7470.025382][ T73] __do_softirq+0x1b5/0x7f6 [ 7470.025382][ T73] [ 7470.027014][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7470.027014][ T73] netdev_get_by_index+0x5e/0x80 [ 7470.027014][ T73] fib6_nh_init+0x3d8/0x1580 [ 7470.027014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7470.027014][ T73] ip6_route_add+0x1c/0x140 [ 7470.027014][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7470.027014][ T73] inet6_addr_add+0x4f8/0xa40 [ 7470.027014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.027014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.027014][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.027014][ T73] netlink_unicast+0x449/0x710 [ 7470.027014][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.027014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.027014][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.027014][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.027014][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.027014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.027014][ T73] [ 7470.029009][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7470.029009][ T73] netdev_get_by_index+0x5e/0x80 [ 7470.029009][ T73] fib6_nh_init+0x3d8/0x1580 [ 7470.029009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7470.029009][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7470.029009][ T73] ipv6_add_addr+0x411/0x2000 [ 7470.029009][ T73] inet6_addr_add+0x30e/0xa40 [ 7470.029009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.029009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.029009][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.029009][ T73] netlink_unicast+0x449/0x710 [ 7470.029009][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.029009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.029009][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.029009][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.029009][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.029009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.029009][ T73] [ 7470.031000][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7470.031000][ T73] netdev_get_by_index+0x5e/0x80 [ 7470.031000][ T73] fib6_nh_init+0x3d8/0x1580 [ 7470.031000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7470.031000][ T73] ip6_route_add+0x1c/0x140 [ 7470.031000][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7470.031000][ T73] addrconf_add_dev+0xe2/0x170 [ 7470.031000][ T73] inet6_addr_add+0x12f/0xa40 [ 7470.031000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7470.031000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.031000][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.031000][ T73] netlink_unicast+0x449/0x710 [ 7470.031000][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.031000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.031000][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.031000][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.031000][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.031000][ T73] [ 7470.032972][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7470.032972][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7470.032972][ T73] ipv6_find_idev+0x102/0x170 [ 7470.032972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7470.032972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.032972][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.032972][ T73] netlink_unicast+0x449/0x710 [ 7470.032972][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.032972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.032972][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.032972][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.032972][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.032972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.032972][ T73] [ 7470.034499][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7470.034499][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7470.034499][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7470.034499][ T73] ipv6_find_idev+0x102/0x170 [ 7470.034499][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7470.034499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7470.034499][ T73] netlink_rcv_skb+0x130/0x360 [ 7470.034499][ T73] netlink_unicast+0x449/0x710 [ 7470.034499][ T73] netlink_sendmsg+0x723/0xbe0 [ 7470.034499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7470.034499][ T73] ___sys_sendmsg+0xee/0x170 [ 7470.034499][ T73] __sys_sendmsg+0xcd/0x170 [ 7470.034499][ T73] do_syscall_64+0xc6/0x1e0 [ 7470.034499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7470.034499][ T73] [ 7471.293711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7471.294231][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7471.294231][ T1076] netdev_get_by_index+0x5e/0x80 [ 7471.294231][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7471.294231][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7471.294231][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7471.294231][ T1076] ipv6_add_addr+0x411/0x2000 [ 7471.294231][ T1076] inet6_addr_add+0x30e/0xa40 [ 7471.294231][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7471.294231][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.294231][ T1076] netlink_rcv_skb+0x130/0x360 [ 7471.294231][ T1076] netlink_unicast+0x449/0x710 [ 7471.294231][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7471.294231][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7471.294231][ T1076] ___sys_sendmsg+0xee/0x170 [ 7471.294231][ T1076] __sys_sendmsg+0xcd/0x170 [ 7471.294231][ T1076] do_syscall_64+0xc6/0x1e0 [ 7471.294231][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.294231][ T1076] [ 7471.296509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7471.296509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7471.296509][ T1076] ipv6_find_idev+0x102/0x170 [ 7471.296509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7471.296509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.296509][ T1076] netlink_rcv_skb+0x130/0x360 [ 7471.296509][ T1076] netlink_unicast+0x449/0x710 [ 7471.296509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7471.296509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7471.296509][ T1076] ___sys_sendmsg+0xee/0x170 [ 7471.296509][ T1076] __sys_sendmsg+0xcd/0x170 [ 7471.296509][ T1076] do_syscall_64+0xc6/0x1e0 [ 7471.296509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.296509][ T1076] [ 7471.298253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7471.298253][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7471.298253][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7471.298253][ T1076] ipv6_find_idev+0x102/0x170 [ 7471.298253][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7471.298253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7471.298253][ T1076] netlink_rcv_skb+0x130/0x360 [ 7471.298253][ T1076] netlink_unicast+0x449/0x710 [ 7471.298253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7471.298253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7471.298253][ T1076] ___sys_sendmsg+0xee/0x170 [ 7471.298253][ T1076] __sys_sendmsg+0xcd/0x170 [ 7471.298253][ T1076] do_syscall_64+0xc6/0x1e0 [ 7471.298253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7471.298253][ T1076] [ 7480.277721][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7480.278147][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7480.278147][ T73] dst_init+0x84/0x4a0 [ 7480.278147][ T73] dst_alloc+0x97/0x150 [ 7480.278147][ T73] ip6_dst_alloc+0x23/0x90 [ 7480.278147][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7480.278147][ T73] ip6_pol_route+0x56f/0x840 [ 7480.278147][ T73] fib6_rule_lookup+0x456/0x630 [ 7480.278147][ T73] ip6_route_input+0x59c/0xa50 [ 7480.278147][ T73] ipv6_rcv+0x397/0x810 [ 7480.278147][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7480.278147][ T73] process_backlog+0x101/0x620 [ 7480.278147][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7480.278147][ T73] net_rx_action+0x495/0xbe0 [ 7480.278147][ T73] __do_softirq+0x1b5/0x7f6 [ 7480.278147][ T73] [ 7480.279827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7480.279827][ T73] netdev_get_by_index+0x5e/0x80 [ 7480.279827][ T73] fib6_nh_init+0x3d8/0x1580 [ 7480.279827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7480.279827][ T73] ip6_route_add+0x1c/0x140 [ 7480.279827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7480.279827][ T73] inet6_addr_add+0x4f8/0xa40 [ 7480.279827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.279827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.279827][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.279827][ T73] netlink_unicast+0x449/0x710 [ 7480.279827][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.279827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.279827][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.279827][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.279827][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.279827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.279827][ T73] [ 7480.281845][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7480.281845][ T73] netdev_get_by_index+0x5e/0x80 [ 7480.281845][ T73] fib6_nh_init+0x3d8/0x1580 [ 7480.281845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7480.281845][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7480.281845][ T73] ipv6_add_addr+0x411/0x2000 [ 7480.281845][ T73] inet6_addr_add+0x30e/0xa40 [ 7480.281845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.281845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.281845][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.281845][ T73] netlink_unicast+0x449/0x710 [ 7480.281845][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.281845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.281845][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.281845][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.281845][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.281845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.281845][ T73] [ 7480.283846][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7480.283846][ T73] netdev_get_by_index+0x5e/0x80 [ 7480.283846][ T73] fib6_nh_init+0x3d8/0x1580 [ 7480.283846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7480.283846][ T73] ip6_route_add+0x1c/0x140 [ 7480.283846][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7480.283846][ T73] addrconf_add_dev+0xe2/0x170 [ 7480.283846][ T73] inet6_addr_add+0x12f/0xa40 [ 7480.283846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.283846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.283846][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.283846][ T73] netlink_unicast+0x449/0x710 [ 7480.283846][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.283846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.283846][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.283846][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.283846][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.283846][ T73] [ 7480.285810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7480.285810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7480.285810][ T73] ipv6_find_idev+0x102/0x170 [ 7480.285810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7480.285810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.285810][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.285810][ T73] netlink_unicast+0x449/0x710 [ 7480.285810][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.285810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.285810][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.285810][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.285810][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.285810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.285810][ T73] [ 7480.287357][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7480.287357][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7480.287357][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7480.287357][ T73] ipv6_find_idev+0x102/0x170 [ 7480.287357][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7480.287357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.287357][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.287357][ T73] netlink_unicast+0x449/0x710 [ 7480.287357][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.287357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.287357][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.287357][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.287357][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.287357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.287357][ T73] [ 7480.289057][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7480.289301][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7480.289301][ T73] dst_init+0x84/0x4a0 [ 7480.289301][ T73] dst_alloc+0x97/0x150 [ 7480.289301][ T73] ip6_dst_alloc+0x23/0x90 [ 7480.289301][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7480.289301][ T73] ip6_pol_route+0x56f/0x840 [ 7480.289301][ T73] fib6_rule_lookup+0x456/0x630 [ 7480.289301][ T73] ip6_route_input+0x59c/0xa50 [ 7480.289301][ T73] ipv6_rcv+0x397/0x810 [ 7480.289301][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7480.289301][ T73] process_backlog+0x101/0x620 [ 7480.289301][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7480.289301][ T73] net_rx_action+0x495/0xbe0 [ 7480.289301][ T73] __do_softirq+0x1b5/0x7f6 [ 7480.289301][ T73] [ 7480.290950][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7480.290950][ T73] netdev_get_by_index+0x5e/0x80 [ 7480.290950][ T73] fib6_nh_init+0x3d8/0x1580 [ 7480.290950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7480.290950][ T73] ip6_route_add+0x1c/0x140 [ 7480.290950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7480.290950][ T73] inet6_addr_add+0x4f8/0xa40 [ 7480.290950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.290950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.290950][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.290950][ T73] netlink_unicast+0x449/0x710 [ 7480.290950][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.290950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.290950][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.290950][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.290950][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.290950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.290950][ T73] [ 7480.292952][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7480.292952][ T73] netdev_get_by_index+0x5e/0x80 [ 7480.292952][ T73] fib6_nh_init+0x3d8/0x1580 [ 7480.292952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7480.292952][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7480.292952][ T73] ipv6_add_addr+0x411/0x2000 [ 7480.292952][ T73] inet6_addr_add+0x30e/0xa40 [ 7480.292952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.292952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.292952][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.292952][ T73] netlink_unicast+0x449/0x710 [ 7480.292952][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.292952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.292952][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.292952][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.292952][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.292952][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.292952][ T73] [ 7480.294987][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7480.294987][ T73] netdev_get_by_index+0x5e/0x80 [ 7480.294987][ T73] fib6_nh_init+0x3d8/0x1580 [ 7480.294987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7480.294987][ T73] ip6_route_add+0x1c/0x140 [ 7480.294987][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7480.294987][ T73] addrconf_add_dev+0xe2/0x170 [ 7480.294987][ T73] inet6_addr_add+0x12f/0xa40 [ 7480.294987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7480.294987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.294987][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.294987][ T73] netlink_unicast+0x449/0x710 [ 7480.294987][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.294987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.294987][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.294987][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.294987][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.294987][ T73] [ 7480.296957][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7480.296957][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7480.296957][ T73] ipv6_find_idev+0x102/0x170 [ 7480.296957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7480.296957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.296957][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.296957][ T73] netlink_unicast+0x449/0x710 [ 7480.296957][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.296957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.296957][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.296957][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.296957][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.296957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.296957][ T73] [ 7480.298505][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7480.298505][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7480.298505][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7480.298505][ T73] ipv6_find_idev+0x102/0x170 [ 7480.298505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7480.298505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7480.298505][ T73] netlink_rcv_skb+0x130/0x360 [ 7480.298505][ T73] netlink_unicast+0x449/0x710 [ 7480.298505][ T73] netlink_sendmsg+0x723/0xbe0 [ 7480.298505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7480.298505][ T73] ___sys_sendmsg+0xee/0x170 [ 7480.298505][ T73] __sys_sendmsg+0xcd/0x170 [ 7480.298505][ T73] do_syscall_64+0xc6/0x1e0 [ 7480.298505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7480.298505][ T73] [ 7481.541709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7481.542204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7481.542204][ T1076] netdev_get_by_index+0x5e/0x80 [ 7481.542204][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7481.542204][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7481.542204][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7481.542204][ T1076] ipv6_add_addr+0x411/0x2000 [ 7481.542204][ T1076] inet6_addr_add+0x30e/0xa40 [ 7481.542204][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7481.542204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.542204][ T1076] netlink_rcv_skb+0x130/0x360 [ 7481.542204][ T1076] netlink_unicast+0x449/0x710 [ 7481.542204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7481.542204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7481.542204][ T1076] ___sys_sendmsg+0xee/0x170 [ 7481.542204][ T1076] __sys_sendmsg+0xcd/0x170 [ 7481.542204][ T1076] do_syscall_64+0xc6/0x1e0 [ 7481.542204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.542204][ T1076] [ 7481.544484][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7481.544484][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7481.544484][ T1076] ipv6_find_idev+0x102/0x170 [ 7481.544484][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7481.544484][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.544484][ T1076] netlink_rcv_skb+0x130/0x360 [ 7481.544484][ T1076] netlink_unicast+0x449/0x710 [ 7481.544484][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7481.544484][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7481.544484][ T1076] ___sys_sendmsg+0xee/0x170 [ 7481.544484][ T1076] __sys_sendmsg+0xcd/0x170 [ 7481.544484][ T1076] do_syscall_64+0xc6/0x1e0 [ 7481.544484][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.544484][ T1076] [ 7481.546226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7481.546226][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7481.546226][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7481.546226][ T1076] ipv6_find_idev+0x102/0x170 [ 7481.546226][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7481.546226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7481.546226][ T1076] netlink_rcv_skb+0x130/0x360 [ 7481.546226][ T1076] netlink_unicast+0x449/0x710 [ 7481.546226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7481.546226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7481.546226][ T1076] ___sys_sendmsg+0xee/0x170 [ 7481.546226][ T1076] __sys_sendmsg+0xcd/0x170 [ 7481.546226][ T1076] do_syscall_64+0xc6/0x1e0 [ 7481.546226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7481.546226][ T1076] [ 7490.477773][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7490.478190][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7490.478190][ T73] dst_init+0x84/0x4a0 [ 7490.478190][ T73] dst_alloc+0x97/0x150 [ 7490.478190][ T73] ip6_dst_alloc+0x23/0x90 [ 7490.478190][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7490.478190][ T73] ip6_pol_route+0x56f/0x840 [ 7490.478190][ T73] fib6_rule_lookup+0x456/0x630 [ 7490.478190][ T73] ip6_route_input+0x59c/0xa50 [ 7490.478190][ T73] ipv6_rcv+0x397/0x810 [ 7490.478190][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7490.478190][ T73] process_backlog+0x101/0x620 [ 7490.478190][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7490.478190][ T73] net_rx_action+0x495/0xbe0 [ 7490.478190][ T73] __do_softirq+0x1b5/0x7f6 [ 7490.478190][ T73] [ 7490.479878][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7490.479878][ T73] netdev_get_by_index+0x5e/0x80 [ 7490.479878][ T73] fib6_nh_init+0x3d8/0x1580 [ 7490.479878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7490.479878][ T73] ip6_route_add+0x1c/0x140 [ 7490.479878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7490.479878][ T73] inet6_addr_add+0x4f8/0xa40 [ 7490.479878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.479878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.479878][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.479878][ T73] netlink_unicast+0x449/0x710 [ 7490.479878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.479878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.479878][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.479878][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.479878][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.479878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.479878][ T73] [ 7490.481900][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7490.481900][ T73] netdev_get_by_index+0x5e/0x80 [ 7490.481900][ T73] fib6_nh_init+0x3d8/0x1580 [ 7490.481900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7490.481900][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7490.481900][ T73] ipv6_add_addr+0x411/0x2000 [ 7490.481900][ T73] inet6_addr_add+0x30e/0xa40 [ 7490.481900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.481900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.481900][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.481900][ T73] netlink_unicast+0x449/0x710 [ 7490.481900][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.481900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.481900][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.481900][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.481900][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.481900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.481900][ T73] [ 7490.483894][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7490.483894][ T73] netdev_get_by_index+0x5e/0x80 [ 7490.483894][ T73] fib6_nh_init+0x3d8/0x1580 [ 7490.483894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7490.483894][ T73] ip6_route_add+0x1c/0x140 [ 7490.483894][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7490.483894][ T73] addrconf_add_dev+0xe2/0x170 [ 7490.483894][ T73] inet6_addr_add+0x12f/0xa40 [ 7490.483894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.483894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.483894][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.483894][ T73] netlink_unicast+0x449/0x710 [ 7490.483894][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.483894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.483894][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.483894][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.483894][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.483894][ T73] [ 7490.485842][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7490.485842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7490.485842][ T73] ipv6_find_idev+0x102/0x170 [ 7490.485842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7490.485842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.485842][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.485842][ T73] netlink_unicast+0x449/0x710 [ 7490.485842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.485842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.485842][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.485842][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.485842][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.485842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.485842][ T73] [ 7490.487351][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7490.487351][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7490.487351][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7490.487351][ T73] ipv6_find_idev+0x102/0x170 [ 7490.487351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7490.487351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.487351][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.487351][ T73] netlink_unicast+0x449/0x710 [ 7490.487351][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.487351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.487351][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.487351][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.487351][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.487351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.487351][ T73] [ 7490.489068][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7490.489320][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7490.489320][ T73] dst_init+0x84/0x4a0 [ 7490.489320][ T73] dst_alloc+0x97/0x150 [ 7490.489320][ T73] ip6_dst_alloc+0x23/0x90 [ 7490.489320][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7490.489320][ T73] ip6_pol_route+0x56f/0x840 [ 7490.489320][ T73] fib6_rule_lookup+0x456/0x630 [ 7490.489320][ T73] ip6_route_input+0x59c/0xa50 [ 7490.489320][ T73] ipv6_rcv+0x397/0x810 [ 7490.489320][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7490.489320][ T73] process_backlog+0x101/0x620 [ 7490.489320][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7490.489320][ T73] net_rx_action+0x495/0xbe0 [ 7490.489320][ T73] __do_softirq+0x1b5/0x7f6 [ 7490.489320][ T73] [ 7490.490945][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7490.490945][ T73] netdev_get_by_index+0x5e/0x80 [ 7490.490945][ T73] fib6_nh_init+0x3d8/0x1580 [ 7490.490945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7490.490945][ T73] ip6_route_add+0x1c/0x140 [ 7490.490945][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7490.490945][ T73] inet6_addr_add+0x4f8/0xa40 [ 7490.490945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.490945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.490945][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.490945][ T73] netlink_unicast+0x449/0x710 [ 7490.490945][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.490945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.490945][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.490945][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.490945][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.490945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.490945][ T73] [ 7490.492963][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7490.492963][ T73] netdev_get_by_index+0x5e/0x80 [ 7490.492963][ T73] fib6_nh_init+0x3d8/0x1580 [ 7490.492963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7490.492963][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7490.492963][ T73] ipv6_add_addr+0x411/0x2000 [ 7490.492963][ T73] inet6_addr_add+0x30e/0xa40 [ 7490.492963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.492963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.492963][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.492963][ T73] netlink_unicast+0x449/0x710 [ 7490.492963][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.492963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.492963][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.492963][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.492963][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.492963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.492963][ T73] [ 7490.494969][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7490.494969][ T73] netdev_get_by_index+0x5e/0x80 [ 7490.494969][ T73] fib6_nh_init+0x3d8/0x1580 [ 7490.494969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7490.494969][ T73] ip6_route_add+0x1c/0x140 [ 7490.494969][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7490.494969][ T73] addrconf_add_dev+0xe2/0x170 [ 7490.494969][ T73] inet6_addr_add+0x12f/0xa40 [ 7490.494969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7490.494969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.494969][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.494969][ T73] netlink_unicast+0x449/0x710 [ 7490.494969][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.494969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.494969][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.494969][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.494969][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.494969][ T73] [ 7490.496909][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7490.496909][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7490.496909][ T73] ipv6_find_idev+0x102/0x170 [ 7490.496909][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7490.496909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.496909][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.496909][ T73] netlink_unicast+0x449/0x710 [ 7490.496909][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.496909][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.496909][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.496909][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.496909][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.496909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.496909][ T73] [ 7490.498478][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7490.498478][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7490.498478][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7490.498478][ T73] ipv6_find_idev+0x102/0x170 [ 7490.498478][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7490.498478][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7490.498478][ T73] netlink_rcv_skb+0x130/0x360 [ 7490.498478][ T73] netlink_unicast+0x449/0x710 [ 7490.498478][ T73] netlink_sendmsg+0x723/0xbe0 [ 7490.498478][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7490.498478][ T73] ___sys_sendmsg+0xee/0x170 [ 7490.498478][ T73] __sys_sendmsg+0xcd/0x170 [ 7490.498478][ T73] do_syscall_64+0xc6/0x1e0 [ 7490.498478][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7490.498478][ T73] [ 7491.789779][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7491.790210][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7491.790210][ T1076] netdev_get_by_index+0x5e/0x80 [ 7491.790210][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7491.790210][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7491.790210][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7491.790210][ T1076] ipv6_add_addr+0x411/0x2000 [ 7491.790210][ T1076] inet6_addr_add+0x30e/0xa40 [ 7491.790210][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7491.790210][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.790210][ T1076] netlink_rcv_skb+0x130/0x360 [ 7491.790210][ T1076] netlink_unicast+0x449/0x710 [ 7491.790210][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7491.790210][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7491.790210][ T1076] ___sys_sendmsg+0xee/0x170 [ 7491.790210][ T1076] __sys_sendmsg+0xcd/0x170 [ 7491.790210][ T1076] do_syscall_64+0xc6/0x1e0 [ 7491.790210][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.790210][ T1076] [ 7491.792476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7491.792476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7491.792476][ T1076] ipv6_find_idev+0x102/0x170 [ 7491.792476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7491.792476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.792476][ T1076] netlink_rcv_skb+0x130/0x360 [ 7491.792476][ T1076] netlink_unicast+0x449/0x710 [ 7491.792476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7491.792476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7491.792476][ T1076] ___sys_sendmsg+0xee/0x170 [ 7491.792476][ T1076] __sys_sendmsg+0xcd/0x170 [ 7491.792476][ T1076] do_syscall_64+0xc6/0x1e0 [ 7491.792476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.792476][ T1076] [ 7491.794212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7491.794212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7491.794212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7491.794212][ T1076] ipv6_find_idev+0x102/0x170 [ 7491.794212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7491.794212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7491.794212][ T1076] netlink_rcv_skb+0x130/0x360 [ 7491.794212][ T1076] netlink_unicast+0x449/0x710 [ 7491.794212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7491.794212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7491.794212][ T1076] ___sys_sendmsg+0xee/0x170 [ 7491.794212][ T1076] __sys_sendmsg+0xcd/0x170 [ 7491.794212][ T1076] do_syscall_64+0xc6/0x1e0 [ 7491.794212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7491.794212][ T1076] [ 7496.997730][ T42] INFO: task modprobe:1264 blocked for more than 245 seconds. [ 7496.998072][ T42] Not tainted 6.8.0-virtme #1 [ 7496.998201][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7496.998409][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 7496.998687][ T42] Call Trace: [ 7496.998784][ T42] [ 7496.998856][ T42] __schedule+0x705/0x1ac0 [ 7496.998995][ T42] ? __pfx___schedule+0x10/0x10 [ 7496.999120][ T42] ? schedule+0x1a5/0x210 [ 7496.999217][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7496.999351][ T42] ? mark_lock+0x38/0x3e0 [ 7496.999446][ T42] ? do_raw_spin_lock+0x131/0x270 [ 7496.999574][ T42] ? schedule+0x1a5/0x210 [ 7496.999685][ T42] schedule+0xdf/0x210 [ 7496.999785][ T42] schedule_preempt_disabled+0x15/0x30 [ 7496.999910][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 7497.000041][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 7497.000195][ T42] ? kasan_save_stack+0x34/0x50 [ 7497.000331][ T42] ? kasan_save_stack+0x24/0x50 [ 7497.000456][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7497.000586][ T42] ? lock_acquire+0x1c1/0x220 [ 7497.000719][ T42] ? register_pernet_subsys+0x1a/0x50 [ 7497.000855][ T42] down_write+0x1c9/0x200 [ 7497.000950][ T42] ? __pfx_down_write+0x10/0x10 [ 7497.001074][ T42] ? __pfx___lock_release+0x10/0x10 [ 7497.001202][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 7497.001365][ T42] register_pernet_subsys+0x1a/0x50 [ 7497.001491][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 7497.001656][ T42] do_one_initcall+0xc8/0x3f0 [ 7497.001782][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 7497.001913][ T42] ? __create_object+0x5e/0xb0 [ 7497.002042][ T42] ? kasan_unpoison+0x27/0x60 [ 7497.002171][ T42] do_init_module+0x233/0x740 [ 7497.002309][ T42] load_module+0x16b5/0x2350 [ 7497.002447][ T42] ? __pfx_load_module+0x10/0x10 [ 7497.002575][ T42] ? kernel_read_file+0x3d2/0x520 [ 7497.002730][ T42] ? kernel_read_file+0x300/0x520 [ 7497.002859][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 7497.002991][ T42] ? init_module_from_file+0xd2/0x130 [ 7497.003115][ T42] init_module_from_file+0xd2/0x130 [ 7497.003240][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 7497.003398][ T42] ? __lock_release+0x103/0x460 [ 7497.003524][ T42] ? idempotent_init_module+0x32a/0x620 [ 7497.003672][ T42] ? idempotent_init_module+0x32a/0x620 [ 7497.003797][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 7497.003925][ T42] idempotent_init_module+0x342/0x620 [ 7497.004052][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 7497.004229][ T42] __x64_sys_finit_module+0xbe/0x130 [ 7497.004356][ T42] do_syscall_64+0xc6/0x1e0 [ 7497.004487][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7497.004649][ T42] RIP: 0033:0x7f6e8f82ce5d [ 7497.004784][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7497.004974][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 7497.005157][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 7497.005341][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 7497.005526][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 7497.005721][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 7497.005922][ T42] [ 7497.006018][ T42] [ 7497.006018][ T42] Showing all locks held in the system: [ 7497.006195][ T42] 1 lock held by khungtaskd/42: [ 7497.006319][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 7497.006549][ T42] 3 locks held by kworker/u16:1/73: [ 7497.006689][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7497.006944][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7497.007165][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 7497.007389][ T42] 2 locks held by kworker/u20:1/76: [ 7497.007512][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7497.007768][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7497.008049][ T42] 1 lock held by modprobe/1264: [ 7497.008168][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 7497.008422][ T42] [ 7497.008486][ T42] ============================================= [ 7497.008486][ T42] [ 7500.605715][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7500.606133][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7500.606133][ T73] dst_init+0x84/0x4a0 [ 7500.606133][ T73] dst_alloc+0x97/0x150 [ 7500.606133][ T73] ip6_dst_alloc+0x23/0x90 [ 7500.606133][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7500.606133][ T73] ip6_pol_route+0x56f/0x840 [ 7500.606133][ T73] fib6_rule_lookup+0x456/0x630 [ 7500.606133][ T73] ip6_route_input+0x59c/0xa50 [ 7500.606133][ T73] ipv6_rcv+0x397/0x810 [ 7500.606133][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7500.606133][ T73] process_backlog+0x101/0x620 [ 7500.606133][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7500.606133][ T73] net_rx_action+0x495/0xbe0 [ 7500.606133][ T73] __do_softirq+0x1b5/0x7f6 [ 7500.606133][ T73] [ 7500.607834][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7500.607834][ T73] netdev_get_by_index+0x5e/0x80 [ 7500.607834][ T73] fib6_nh_init+0x3d8/0x1580 [ 7500.607834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7500.607834][ T73] ip6_route_add+0x1c/0x140 [ 7500.607834][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7500.607834][ T73] inet6_addr_add+0x4f8/0xa40 [ 7500.607834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.607834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.607834][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.607834][ T73] netlink_unicast+0x449/0x710 [ 7500.607834][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.607834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.607834][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.607834][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.607834][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.607834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.607834][ T73] [ 7500.609887][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7500.609887][ T73] netdev_get_by_index+0x5e/0x80 [ 7500.609887][ T73] fib6_nh_init+0x3d8/0x1580 [ 7500.609887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7500.609887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7500.609887][ T73] ipv6_add_addr+0x411/0x2000 [ 7500.609887][ T73] inet6_addr_add+0x30e/0xa40 [ 7500.609887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.609887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.609887][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.609887][ T73] netlink_unicast+0x449/0x710 [ 7500.609887][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.609887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.609887][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.609887][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.609887][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.609887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.609887][ T73] [ 7500.611896][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7500.611896][ T73] netdev_get_by_index+0x5e/0x80 [ 7500.611896][ T73] fib6_nh_init+0x3d8/0x1580 [ 7500.611896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7500.611896][ T73] ip6_route_add+0x1c/0x140 [ 7500.611896][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7500.611896][ T73] addrconf_add_dev+0xe2/0x170 [ 7500.611896][ T73] inet6_addr_add+0x12f/0xa40 [ 7500.611896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.611896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.611896][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.611896][ T73] netlink_unicast+0x449/0x710 [ 7500.611896][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.611896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.611896][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.611896][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.611896][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.611896][ T73] [ 7500.613870][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7500.613870][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7500.613870][ T73] ipv6_find_idev+0x102/0x170 [ 7500.613870][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7500.613870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.613870][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.613870][ T73] netlink_unicast+0x449/0x710 [ 7500.613870][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.613870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.613870][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.613870][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.613870][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.613870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.613870][ T73] [ 7500.615398][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7500.615398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7500.615398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7500.615398][ T73] ipv6_find_idev+0x102/0x170 [ 7500.615398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7500.615398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.615398][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.615398][ T73] netlink_unicast+0x449/0x710 [ 7500.615398][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.615398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.615398][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.615398][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.615398][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.615398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.615398][ T73] [ 7500.617037][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7500.617293][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7500.617293][ T73] dst_init+0x84/0x4a0 [ 7500.617293][ T73] dst_alloc+0x97/0x150 [ 7500.617293][ T73] ip6_dst_alloc+0x23/0x90 [ 7500.617293][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7500.617293][ T73] ip6_pol_route+0x56f/0x840 [ 7500.617293][ T73] fib6_rule_lookup+0x456/0x630 [ 7500.617293][ T73] ip6_route_input+0x59c/0xa50 [ 7500.617293][ T73] ipv6_rcv+0x397/0x810 [ 7500.617293][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7500.617293][ T73] process_backlog+0x101/0x620 [ 7500.617293][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7500.617293][ T73] net_rx_action+0x495/0xbe0 [ 7500.617293][ T73] __do_softirq+0x1b5/0x7f6 [ 7500.617293][ T73] [ 7500.618930][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7500.618930][ T73] netdev_get_by_index+0x5e/0x80 [ 7500.618930][ T73] fib6_nh_init+0x3d8/0x1580 [ 7500.618930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7500.618930][ T73] ip6_route_add+0x1c/0x140 [ 7500.618930][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7500.618930][ T73] inet6_addr_add+0x4f8/0xa40 [ 7500.618930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.618930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.618930][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.618930][ T73] netlink_unicast+0x449/0x710 [ 7500.618930][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.618930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.618930][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.618930][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.618930][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.618930][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.618930][ T73] [ 7500.620888][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7500.620888][ T73] netdev_get_by_index+0x5e/0x80 [ 7500.620888][ T73] fib6_nh_init+0x3d8/0x1580 [ 7500.620888][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7500.620888][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7500.620888][ T73] ipv6_add_addr+0x411/0x2000 [ 7500.620888][ T73] inet6_addr_add+0x30e/0xa40 [ 7500.620888][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.620888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.620888][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.620888][ T73] netlink_unicast+0x449/0x710 [ 7500.620888][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.620888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.620888][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.620888][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.620888][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.620888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.620888][ T73] [ 7500.622881][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7500.622881][ T73] netdev_get_by_index+0x5e/0x80 [ 7500.622881][ T73] fib6_nh_init+0x3d8/0x1580 [ 7500.622881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7500.622881][ T73] ip6_route_add+0x1c/0x140 [ 7500.622881][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7500.622881][ T73] addrconf_add_dev+0xe2/0x170 [ 7500.622881][ T73] inet6_addr_add+0x12f/0xa40 [ 7500.622881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7500.622881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.622881][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.622881][ T73] netlink_unicast+0x449/0x710 [ 7500.622881][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.622881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.622881][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.622881][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.622881][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.622881][ T73] [ 7500.624826][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7500.624826][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7500.624826][ T73] ipv6_find_idev+0x102/0x170 [ 7500.624826][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7500.624826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.624826][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.624826][ T73] netlink_unicast+0x449/0x710 [ 7500.624826][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.624826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.624826][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.624826][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.624826][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.624826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.624826][ T73] [ 7500.626365][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7500.626365][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7500.626365][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7500.626365][ T73] ipv6_find_idev+0x102/0x170 [ 7500.626365][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7500.626365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7500.626365][ T73] netlink_rcv_skb+0x130/0x360 [ 7500.626365][ T73] netlink_unicast+0x449/0x710 [ 7500.626365][ T73] netlink_sendmsg+0x723/0xbe0 [ 7500.626365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7500.626365][ T73] ___sys_sendmsg+0xee/0x170 [ 7500.626365][ T73] __sys_sendmsg+0xcd/0x170 [ 7500.626365][ T73] do_syscall_64+0xc6/0x1e0 [ 7500.626365][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7500.626365][ T73] [ 7501.885706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7501.886149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7501.886149][ T1076] netdev_get_by_index+0x5e/0x80 [ 7501.886149][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7501.886149][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7501.886149][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7501.886149][ T1076] ipv6_add_addr+0x411/0x2000 [ 7501.886149][ T1076] inet6_addr_add+0x30e/0xa40 [ 7501.886149][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7501.886149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.886149][ T1076] netlink_rcv_skb+0x130/0x360 [ 7501.886149][ T1076] netlink_unicast+0x449/0x710 [ 7501.886149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7501.886149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7501.886149][ T1076] ___sys_sendmsg+0xee/0x170 [ 7501.886149][ T1076] __sys_sendmsg+0xcd/0x170 [ 7501.886149][ T1076] do_syscall_64+0xc6/0x1e0 [ 7501.886149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.886149][ T1076] [ 7501.888404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7501.888404][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7501.888404][ T1076] ipv6_find_idev+0x102/0x170 [ 7501.888404][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7501.888404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.888404][ T1076] netlink_rcv_skb+0x130/0x360 [ 7501.888404][ T1076] netlink_unicast+0x449/0x710 [ 7501.888404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7501.888404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7501.888404][ T1076] ___sys_sendmsg+0xee/0x170 [ 7501.888404][ T1076] __sys_sendmsg+0xcd/0x170 [ 7501.888404][ T1076] do_syscall_64+0xc6/0x1e0 [ 7501.888404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.888404][ T1076] [ 7501.890115][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7501.890115][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7501.890115][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7501.890115][ T1076] ipv6_find_idev+0x102/0x170 [ 7501.890115][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7501.890115][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7501.890115][ T1076] netlink_rcv_skb+0x130/0x360 [ 7501.890115][ T1076] netlink_unicast+0x449/0x710 [ 7501.890115][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7501.890115][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7501.890115][ T1076] ___sys_sendmsg+0xee/0x170 [ 7501.890115][ T1076] __sys_sendmsg+0xcd/0x170 [ 7501.890115][ T1076] do_syscall_64+0xc6/0x1e0 [ 7501.890115][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7501.890115][ T1076] [ 7510.869666][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7510.870249][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7510.870249][ T73] dst_init+0x84/0x4a0 [ 7510.870249][ T73] dst_alloc+0x97/0x150 [ 7510.870249][ T73] ip6_dst_alloc+0x23/0x90 [ 7510.870249][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7510.870249][ T73] ip6_pol_route+0x56f/0x840 [ 7510.870249][ T73] fib6_rule_lookup+0x456/0x630 [ 7510.870249][ T73] ip6_route_input+0x59c/0xa50 [ 7510.870249][ T73] ipv6_rcv+0x397/0x810 [ 7510.870249][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7510.870249][ T73] process_backlog+0x101/0x620 [ 7510.870249][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7510.870249][ T73] net_rx_action+0x495/0xbe0 [ 7510.870249][ T73] __do_softirq+0x1b5/0x7f6 [ 7510.870249][ T73] [ 7510.872390][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7510.872390][ T73] netdev_get_by_index+0x5e/0x80 [ 7510.872390][ T73] fib6_nh_init+0x3d8/0x1580 [ 7510.872390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7510.872390][ T73] ip6_route_add+0x1c/0x140 [ 7510.872390][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7510.872390][ T73] inet6_addr_add+0x4f8/0xa40 [ 7510.872390][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7510.872390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.872390][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.872390][ T73] netlink_unicast+0x449/0x710 [ 7510.872390][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.872390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.872390][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.872390][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.872390][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.872390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.872390][ T73] [ 7510.874382][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7510.874382][ T73] netdev_get_by_index+0x5e/0x80 [ 7510.874382][ T73] fib6_nh_init+0x3d8/0x1580 [ 7510.874382][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7510.874382][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7510.874382][ T73] ipv6_add_addr+0x411/0x2000 [ 7510.874382][ T73] inet6_addr_add+0x30e/0xa40 [ 7510.874382][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7510.874382][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.874382][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.874382][ T73] netlink_unicast+0x449/0x710 [ 7510.874382][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.874382][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.874382][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.874382][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.874382][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.874382][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.874382][ T73] [ 7510.876366][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7510.876366][ T73] netdev_get_by_index+0x5e/0x80 [ 7510.876366][ T73] fib6_nh_init+0x3d8/0x1580 [ 7510.876366][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7510.876366][ T73] ip6_route_add+0x1c/0x140 [ 7510.876366][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7510.876366][ T73] addrconf_add_dev+0xe2/0x170 [ 7510.876366][ T73] inet6_addr_add+0x12f/0xa40 [ 7510.876366][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7510.876366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.876366][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.876366][ T73] netlink_unicast+0x449/0x710 [ 7510.876366][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.876366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.876366][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.876366][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.876366][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.876366][ T73] [ 7510.878345][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7510.878345][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7510.878345][ T73] ipv6_find_idev+0x102/0x170 [ 7510.878345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7510.878345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.878345][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.878345][ T73] netlink_unicast+0x449/0x710 [ 7510.878345][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.878345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.878345][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.878345][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.878345][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.878345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.878345][ T73] [ 7510.879874][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7510.879874][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7510.879874][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7510.879874][ T73] ipv6_find_idev+0x102/0x170 [ 7510.879874][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7510.879874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.879874][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.879874][ T73] netlink_unicast+0x449/0x710 [ 7510.879874][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.879874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.879874][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.879874][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.879874][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.879874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.879874][ T73] [ 7510.881567][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7510.881819][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7510.881819][ T73] dst_init+0x84/0x4a0 [ 7510.881819][ T73] dst_alloc+0x97/0x150 [ 7510.881819][ T73] ip6_dst_alloc+0x23/0x90 [ 7510.881819][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7510.881819][ T73] ip6_pol_route+0x56f/0x840 [ 7510.881819][ T73] fib6_rule_lookup+0x456/0x630 [ 7510.881819][ T73] ip6_route_input+0x59c/0xa50 [ 7510.881819][ T73] ipv6_rcv+0x397/0x810 [ 7510.881819][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7510.881819][ T73] process_backlog+0x101/0x620 [ 7510.881819][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7510.881819][ T73] net_rx_action+0x495/0xbe0 [ 7510.881819][ T73] __do_softirq+0x1b5/0x7f6 [ 7510.881819][ T73] [ 7510.883446][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7510.883446][ T73] netdev_get_by_index+0x5e/0x80 [ 7510.883446][ T73] fib6_nh_init+0x3d8/0x1580 [ 7510.883446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7510.883446][ T73] ip6_route_add+0x1c/0x140 [ 7510.883446][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7510.883446][ T73] inet6_addr_add+0x4f8/0xa40 [ 7510.883446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7510.883446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.883446][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.883446][ T73] netlink_unicast+0x449/0x710 [ 7510.883446][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.883446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.883446][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.883446][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.883446][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.883446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.883446][ T73] [ 7510.885424][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7510.885424][ T73] netdev_get_by_index+0x5e/0x80 [ 7510.885424][ T73] fib6_nh_init+0x3d8/0x1580 [ 7510.885424][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7510.885424][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7510.885424][ T73] ipv6_add_addr+0x411/0x2000 [ 7510.885424][ T73] inet6_addr_add+0x30e/0xa40 [ 7510.885424][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7510.885424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.885424][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.885424][ T73] netlink_unicast+0x449/0x710 [ 7510.885424][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.885424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.885424][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.885424][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.885424][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.885424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.885424][ T73] [ 7510.887414][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7510.887414][ T73] netdev_get_by_index+0x5e/0x80 [ 7510.887414][ T73] fib6_nh_init+0x3d8/0x1580 [ 7510.887414][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7510.887414][ T73] ip6_route_add+0x1c/0x140 [ 7510.887414][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7510.887414][ T73] addrconf_add_dev+0xe2/0x170 [ 7510.887414][ T73] inet6_addr_add+0x12f/0xa40 [ 7510.887414][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7510.887414][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.887414][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.887414][ T73] netlink_unicast+0x449/0x710 [ 7510.887414][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.887414][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.887414][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.887414][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.887414][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.887414][ T73] [ 7510.889369][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7510.889369][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7510.889369][ T73] ipv6_find_idev+0x102/0x170 [ 7510.889369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7510.889369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.889369][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.889369][ T73] netlink_unicast+0x449/0x710 [ 7510.889369][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.889369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.889369][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.889369][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.889369][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.889369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.889369][ T73] [ 7510.890902][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7510.890902][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7510.890902][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7510.890902][ T73] ipv6_find_idev+0x102/0x170 [ 7510.890902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7510.890902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7510.890902][ T73] netlink_rcv_skb+0x130/0x360 [ 7510.890902][ T73] netlink_unicast+0x449/0x710 [ 7510.890902][ T73] netlink_sendmsg+0x723/0xbe0 [ 7510.890902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7510.890902][ T73] ___sys_sendmsg+0xee/0x170 [ 7510.890902][ T73] __sys_sendmsg+0xcd/0x170 [ 7510.890902][ T73] do_syscall_64+0xc6/0x1e0 [ 7510.890902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7510.890902][ T73] [ 7512.133736][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7512.134261][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7512.134261][ T1076] netdev_get_by_index+0x5e/0x80 [ 7512.134261][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7512.134261][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7512.134261][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7512.134261][ T1076] ipv6_add_addr+0x411/0x2000 [ 7512.134261][ T1076] inet6_addr_add+0x30e/0xa40 [ 7512.134261][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7512.134261][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.134261][ T1076] netlink_rcv_skb+0x130/0x360 [ 7512.134261][ T1076] netlink_unicast+0x449/0x710 [ 7512.134261][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7512.134261][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7512.134261][ T1076] ___sys_sendmsg+0xee/0x170 [ 7512.134261][ T1076] __sys_sendmsg+0xcd/0x170 [ 7512.134261][ T1076] do_syscall_64+0xc6/0x1e0 [ 7512.134261][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.134261][ T1076] [ 7512.136516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7512.136516][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7512.136516][ T1076] ipv6_find_idev+0x102/0x170 [ 7512.136516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7512.136516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.136516][ T1076] netlink_rcv_skb+0x130/0x360 [ 7512.136516][ T1076] netlink_unicast+0x449/0x710 [ 7512.136516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7512.136516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7512.136516][ T1076] ___sys_sendmsg+0xee/0x170 [ 7512.136516][ T1076] __sys_sendmsg+0xcd/0x170 [ 7512.136516][ T1076] do_syscall_64+0xc6/0x1e0 [ 7512.136516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.136516][ T1076] [ 7512.138263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7512.138263][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7512.138263][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7512.138263][ T1076] ipv6_find_idev+0x102/0x170 [ 7512.138263][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7512.138263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7512.138263][ T1076] netlink_rcv_skb+0x130/0x360 [ 7512.138263][ T1076] netlink_unicast+0x449/0x710 [ 7512.138263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7512.138263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7512.138263][ T1076] ___sys_sendmsg+0xee/0x170 [ 7512.138263][ T1076] __sys_sendmsg+0xcd/0x170 [ 7512.138263][ T1076] do_syscall_64+0xc6/0x1e0 [ 7512.138263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7512.138263][ T1076] [ 7521.133726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7521.134148][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7521.134148][ T73] dst_init+0x84/0x4a0 [ 7521.134148][ T73] dst_alloc+0x97/0x150 [ 7521.134148][ T73] ip6_dst_alloc+0x23/0x90 [ 7521.134148][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7521.134148][ T73] ip6_pol_route+0x56f/0x840 [ 7521.134148][ T73] fib6_rule_lookup+0x456/0x630 [ 7521.134148][ T73] ip6_route_input+0x59c/0xa50 [ 7521.134148][ T73] ipv6_rcv+0x397/0x810 [ 7521.134148][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7521.134148][ T73] process_backlog+0x101/0x620 [ 7521.134148][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7521.134148][ T73] net_rx_action+0x495/0xbe0 [ 7521.134148][ T73] __do_softirq+0x1b5/0x7f6 [ 7521.134148][ T73] [ 7521.135812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7521.135812][ T73] netdev_get_by_index+0x5e/0x80 [ 7521.135812][ T73] fib6_nh_init+0x3d8/0x1580 [ 7521.135812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7521.135812][ T73] ip6_route_add+0x1c/0x140 [ 7521.135812][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7521.135812][ T73] inet6_addr_add+0x4f8/0xa40 [ 7521.135812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.135812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.135812][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.135812][ T73] netlink_unicast+0x449/0x710 [ 7521.135812][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.135812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.135812][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.135812][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.135812][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.135812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.135812][ T73] [ 7521.137800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7521.137800][ T73] netdev_get_by_index+0x5e/0x80 [ 7521.137800][ T73] fib6_nh_init+0x3d8/0x1580 [ 7521.137800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7521.137800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7521.137800][ T73] ipv6_add_addr+0x411/0x2000 [ 7521.137800][ T73] inet6_addr_add+0x30e/0xa40 [ 7521.137800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.137800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.137800][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.137800][ T73] netlink_unicast+0x449/0x710 [ 7521.137800][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.137800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.137800][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.137800][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.137800][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.137800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.137800][ T73] [ 7521.139804][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7521.139804][ T73] netdev_get_by_index+0x5e/0x80 [ 7521.139804][ T73] fib6_nh_init+0x3d8/0x1580 [ 7521.139804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7521.139804][ T73] ip6_route_add+0x1c/0x140 [ 7521.139804][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7521.139804][ T73] addrconf_add_dev+0xe2/0x170 [ 7521.139804][ T73] inet6_addr_add+0x12f/0xa40 [ 7521.139804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.139804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.139804][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.139804][ T73] netlink_unicast+0x449/0x710 [ 7521.139804][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.139804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.139804][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.139804][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.139804][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.139804][ T73] [ 7521.141912][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7521.141912][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7521.141912][ T73] ipv6_find_idev+0x102/0x170 [ 7521.141912][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7521.141912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.141912][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.141912][ T73] netlink_unicast+0x449/0x710 [ 7521.141912][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.141912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.141912][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.141912][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.141912][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.141912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.141912][ T73] [ 7521.143439][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7521.143439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7521.143439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7521.143439][ T73] ipv6_find_idev+0x102/0x170 [ 7521.143439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7521.143439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.143439][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.143439][ T73] netlink_unicast+0x449/0x710 [ 7521.143439][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.143439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.143439][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.143439][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.143439][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.143439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.143439][ T73] [ 7521.145117][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7521.145598][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7521.145598][ T73] dst_init+0x84/0x4a0 [ 7521.145598][ T73] dst_alloc+0x97/0x150 [ 7521.145598][ T73] ip6_dst_alloc+0x23/0x90 [ 7521.145598][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7521.145598][ T73] ip6_pol_route+0x56f/0x840 [ 7521.145598][ T73] fib6_rule_lookup+0x456/0x630 [ 7521.145598][ T73] ip6_route_input+0x59c/0xa50 [ 7521.145598][ T73] ipv6_rcv+0x397/0x810 [ 7521.145598][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7521.145598][ T73] process_backlog+0x101/0x620 [ 7521.145598][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7521.145598][ T73] net_rx_action+0x495/0xbe0 [ 7521.145598][ T73] __do_softirq+0x1b5/0x7f6 [ 7521.145598][ T73] [ 7521.147227][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7521.147227][ T73] netdev_get_by_index+0x5e/0x80 [ 7521.147227][ T73] fib6_nh_init+0x3d8/0x1580 [ 7521.147227][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7521.147227][ T73] ip6_route_add+0x1c/0x140 [ 7521.147227][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7521.147227][ T73] inet6_addr_add+0x4f8/0xa40 [ 7521.147227][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.147227][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.147227][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.147227][ T73] netlink_unicast+0x449/0x710 [ 7521.147227][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.147227][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.147227][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.147227][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.147227][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.147227][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.147227][ T73] [ 7521.149226][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7521.149226][ T73] netdev_get_by_index+0x5e/0x80 [ 7521.149226][ T73] fib6_nh_init+0x3d8/0x1580 [ 7521.149226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7521.149226][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7521.149226][ T73] ipv6_add_addr+0x411/0x2000 [ 7521.149226][ T73] inet6_addr_add+0x30e/0xa40 [ 7521.149226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.149226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.149226][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.149226][ T73] netlink_unicast+0x449/0x710 [ 7521.149226][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.149226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.149226][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.149226][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.149226][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.149226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.149226][ T73] [ 7521.151207][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7521.151207][ T73] netdev_get_by_index+0x5e/0x80 [ 7521.151207][ T73] fib6_nh_init+0x3d8/0x1580 [ 7521.151207][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7521.151207][ T73] ip6_route_add+0x1c/0x140 [ 7521.151207][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7521.151207][ T73] addrconf_add_dev+0xe2/0x170 [ 7521.151207][ T73] inet6_addr_add+0x12f/0xa40 [ 7521.151207][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7521.151207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.151207][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.151207][ T73] netlink_unicast+0x449/0x710 [ 7521.151207][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.151207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.151207][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.151207][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.151207][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.151207][ T73] [ 7521.153153][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7521.153153][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7521.153153][ T73] ipv6_find_idev+0x102/0x170 [ 7521.153153][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7521.153153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.153153][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.153153][ T73] netlink_unicast+0x449/0x710 [ 7521.153153][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.153153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.153153][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.153153][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.153153][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.153153][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.153153][ T73] [ 7521.154686][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7521.154686][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7521.154686][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7521.154686][ T73] ipv6_find_idev+0x102/0x170 [ 7521.154686][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7521.154686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7521.154686][ T73] netlink_rcv_skb+0x130/0x360 [ 7521.154686][ T73] netlink_unicast+0x449/0x710 [ 7521.154686][ T73] netlink_sendmsg+0x723/0xbe0 [ 7521.154686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7521.154686][ T73] ___sys_sendmsg+0xee/0x170 [ 7521.154686][ T73] __sys_sendmsg+0xcd/0x170 [ 7521.154686][ T73] do_syscall_64+0xc6/0x1e0 [ 7521.154686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7521.154686][ T73] [ 7522.381709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7522.382222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7522.382222][ T1076] netdev_get_by_index+0x5e/0x80 [ 7522.382222][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7522.382222][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7522.382222][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7522.382222][ T1076] ipv6_add_addr+0x411/0x2000 [ 7522.382222][ T1076] inet6_addr_add+0x30e/0xa40 [ 7522.382222][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7522.382222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.382222][ T1076] netlink_rcv_skb+0x130/0x360 [ 7522.382222][ T1076] netlink_unicast+0x449/0x710 [ 7522.382222][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7522.382222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7522.382222][ T1076] ___sys_sendmsg+0xee/0x170 [ 7522.382222][ T1076] __sys_sendmsg+0xcd/0x170 [ 7522.382222][ T1076] do_syscall_64+0xc6/0x1e0 [ 7522.382222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.382222][ T1076] [ 7522.384538][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7522.384538][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7522.384538][ T1076] ipv6_find_idev+0x102/0x170 [ 7522.384538][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7522.384538][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.384538][ T1076] netlink_rcv_skb+0x130/0x360 [ 7522.384538][ T1076] netlink_unicast+0x449/0x710 [ 7522.384538][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7522.384538][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7522.384538][ T1076] ___sys_sendmsg+0xee/0x170 [ 7522.384538][ T1076] __sys_sendmsg+0xcd/0x170 [ 7522.384538][ T1076] do_syscall_64+0xc6/0x1e0 [ 7522.384538][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.384538][ T1076] [ 7522.386310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7522.386310][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7522.386310][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7522.386310][ T1076] ipv6_find_idev+0x102/0x170 [ 7522.386310][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7522.386310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7522.386310][ T1076] netlink_rcv_skb+0x130/0x360 [ 7522.386310][ T1076] netlink_unicast+0x449/0x710 [ 7522.386310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7522.386310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7522.386310][ T1076] ___sys_sendmsg+0xee/0x170 [ 7522.386310][ T1076] __sys_sendmsg+0xcd/0x170 [ 7522.386310][ T1076] do_syscall_64+0xc6/0x1e0 [ 7522.386310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7522.386310][ T1076] [ 7531.397701][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7531.398140][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7531.398140][ T73] dst_init+0x84/0x4a0 [ 7531.398140][ T73] dst_alloc+0x97/0x150 [ 7531.398140][ T73] ip6_dst_alloc+0x23/0x90 [ 7531.398140][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7531.398140][ T73] ip6_pol_route+0x56f/0x840 [ 7531.398140][ T73] fib6_rule_lookup+0x456/0x630 [ 7531.398140][ T73] ip6_route_input+0x59c/0xa50 [ 7531.398140][ T73] ipv6_rcv+0x397/0x810 [ 7531.398140][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7531.398140][ T73] process_backlog+0x101/0x620 [ 7531.398140][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7531.398140][ T73] net_rx_action+0x495/0xbe0 [ 7531.398140][ T73] __do_softirq+0x1b5/0x7f6 [ 7531.398140][ T73] [ 7531.399799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7531.399799][ T73] netdev_get_by_index+0x5e/0x80 [ 7531.399799][ T73] fib6_nh_init+0x3d8/0x1580 [ 7531.399799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7531.399799][ T73] ip6_route_add+0x1c/0x140 [ 7531.399799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7531.399799][ T73] inet6_addr_add+0x4f8/0xa40 [ 7531.399799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.399799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.399799][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.399799][ T73] netlink_unicast+0x449/0x710 [ 7531.399799][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.399799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.399799][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.399799][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.399799][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.399799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.399799][ T73] [ 7531.401790][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7531.401790][ T73] netdev_get_by_index+0x5e/0x80 [ 7531.401790][ T73] fib6_nh_init+0x3d8/0x1580 [ 7531.401790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7531.401790][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7531.401790][ T73] ipv6_add_addr+0x411/0x2000 [ 7531.401790][ T73] inet6_addr_add+0x30e/0xa40 [ 7531.401790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.401790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.401790][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.401790][ T73] netlink_unicast+0x449/0x710 [ 7531.401790][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.401790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.401790][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.401790][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.401790][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.401790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.401790][ T73] [ 7531.403792][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7531.403792][ T73] netdev_get_by_index+0x5e/0x80 [ 7531.403792][ T73] fib6_nh_init+0x3d8/0x1580 [ 7531.403792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7531.403792][ T73] ip6_route_add+0x1c/0x140 [ 7531.403792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7531.403792][ T73] addrconf_add_dev+0xe2/0x170 [ 7531.403792][ T73] inet6_addr_add+0x12f/0xa40 [ 7531.403792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.403792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.403792][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.403792][ T73] netlink_unicast+0x449/0x710 [ 7531.403792][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.403792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.403792][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.403792][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.403792][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.403792][ T73] [ 7531.405748][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7531.405748][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7531.405748][ T73] ipv6_find_idev+0x102/0x170 [ 7531.405748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7531.405748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.405748][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.405748][ T73] netlink_unicast+0x449/0x710 [ 7531.405748][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.405748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.405748][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.405748][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.405748][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.405748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.405748][ T73] [ 7531.407274][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7531.407274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7531.407274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7531.407274][ T73] ipv6_find_idev+0x102/0x170 [ 7531.407274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7531.407274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.407274][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.407274][ T73] netlink_unicast+0x449/0x710 [ 7531.407274][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.407274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.407274][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.407274][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.407274][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.407274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.407274][ T73] [ 7531.408954][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7531.409193][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7531.409193][ T73] dst_init+0x84/0x4a0 [ 7531.409193][ T73] dst_alloc+0x97/0x150 [ 7531.409193][ T73] ip6_dst_alloc+0x23/0x90 [ 7531.409193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7531.409193][ T73] ip6_pol_route+0x56f/0x840 [ 7531.409193][ T73] fib6_rule_lookup+0x456/0x630 [ 7531.409193][ T73] ip6_route_input+0x59c/0xa50 [ 7531.409193][ T73] ipv6_rcv+0x397/0x810 [ 7531.409193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7531.409193][ T73] process_backlog+0x101/0x620 [ 7531.409193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7531.409193][ T73] net_rx_action+0x495/0xbe0 [ 7531.409193][ T73] __do_softirq+0x1b5/0x7f6 [ 7531.409193][ T73] [ 7531.410828][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7531.410828][ T73] netdev_get_by_index+0x5e/0x80 [ 7531.410828][ T73] fib6_nh_init+0x3d8/0x1580 [ 7531.410828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7531.410828][ T73] ip6_route_add+0x1c/0x140 [ 7531.410828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7531.410828][ T73] inet6_addr_add+0x4f8/0xa40 [ 7531.410828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.410828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.410828][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.410828][ T73] netlink_unicast+0x449/0x710 [ 7531.410828][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.410828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.410828][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.410828][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.410828][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.410828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.410828][ T73] [ 7531.412801][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7531.412801][ T73] netdev_get_by_index+0x5e/0x80 [ 7531.412801][ T73] fib6_nh_init+0x3d8/0x1580 [ 7531.412801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7531.412801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7531.412801][ T73] ipv6_add_addr+0x411/0x2000 [ 7531.412801][ T73] inet6_addr_add+0x30e/0xa40 [ 7531.412801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.412801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.412801][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.412801][ T73] netlink_unicast+0x449/0x710 [ 7531.412801][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.412801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.412801][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.412801][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.412801][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.412801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.412801][ T73] [ 7531.414782][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7531.414782][ T73] netdev_get_by_index+0x5e/0x80 [ 7531.414782][ T73] fib6_nh_init+0x3d8/0x1580 [ 7531.414782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7531.414782][ T73] ip6_route_add+0x1c/0x140 [ 7531.414782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7531.414782][ T73] addrconf_add_dev+0xe2/0x170 [ 7531.414782][ T73] inet6_addr_add+0x12f/0xa40 [ 7531.414782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7531.414782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.414782][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.414782][ T73] netlink_unicast+0x449/0x710 [ 7531.414782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.414782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.414782][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.414782][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.414782][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.414782][ T73] [ 7531.416737][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7531.416737][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7531.416737][ T73] ipv6_find_idev+0x102/0x170 [ 7531.416737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7531.416737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.416737][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.416737][ T73] netlink_unicast+0x449/0x710 [ 7531.416737][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.416737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.416737][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.416737][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.416737][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.416737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.416737][ T73] [ 7531.418276][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7531.418276][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7531.418276][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7531.418276][ T73] ipv6_find_idev+0x102/0x170 [ 7531.418276][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7531.418276][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7531.418276][ T73] netlink_rcv_skb+0x130/0x360 [ 7531.418276][ T73] netlink_unicast+0x449/0x710 [ 7531.418276][ T73] netlink_sendmsg+0x723/0xbe0 [ 7531.418276][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7531.418276][ T73] ___sys_sendmsg+0xee/0x170 [ 7531.418276][ T73] __sys_sendmsg+0xcd/0x170 [ 7531.418276][ T73] do_syscall_64+0xc6/0x1e0 [ 7531.418276][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7531.418276][ T73] [ 7532.629709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7532.630160][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7532.630160][ T1076] netdev_get_by_index+0x5e/0x80 [ 7532.630160][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7532.630160][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7532.630160][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7532.630160][ T1076] ipv6_add_addr+0x411/0x2000 [ 7532.630160][ T1076] inet6_addr_add+0x30e/0xa40 [ 7532.630160][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7532.630160][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.630160][ T1076] netlink_rcv_skb+0x130/0x360 [ 7532.630160][ T1076] netlink_unicast+0x449/0x710 [ 7532.630160][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7532.630160][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7532.630160][ T1076] ___sys_sendmsg+0xee/0x170 [ 7532.630160][ T1076] __sys_sendmsg+0xcd/0x170 [ 7532.630160][ T1076] do_syscall_64+0xc6/0x1e0 [ 7532.630160][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.630160][ T1076] [ 7532.632491][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7532.632491][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7532.632491][ T1076] ipv6_find_idev+0x102/0x170 [ 7532.632491][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7532.632491][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.632491][ T1076] netlink_rcv_skb+0x130/0x360 [ 7532.632491][ T1076] netlink_unicast+0x449/0x710 [ 7532.632491][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7532.632491][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7532.632491][ T1076] ___sys_sendmsg+0xee/0x170 [ 7532.632491][ T1076] __sys_sendmsg+0xcd/0x170 [ 7532.632491][ T1076] do_syscall_64+0xc6/0x1e0 [ 7532.632491][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.632491][ T1076] [ 7532.634221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7532.634221][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7532.634221][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7532.634221][ T1076] ipv6_find_idev+0x102/0x170 [ 7532.634221][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7532.634221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7532.634221][ T1076] netlink_rcv_skb+0x130/0x360 [ 7532.634221][ T1076] netlink_unicast+0x449/0x710 [ 7532.634221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7532.634221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7532.634221][ T1076] ___sys_sendmsg+0xee/0x170 [ 7532.634221][ T1076] __sys_sendmsg+0xcd/0x170 [ 7532.634221][ T1076] do_syscall_64+0xc6/0x1e0 [ 7532.634221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7532.634221][ T1076] [ 7541.661710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7541.662125][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7541.662125][ T73] dst_init+0x84/0x4a0 [ 7541.662125][ T73] dst_alloc+0x97/0x150 [ 7541.662125][ T73] ip6_dst_alloc+0x23/0x90 [ 7541.662125][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7541.662125][ T73] ip6_pol_route+0x56f/0x840 [ 7541.662125][ T73] fib6_rule_lookup+0x456/0x630 [ 7541.662125][ T73] ip6_route_input+0x59c/0xa50 [ 7541.662125][ T73] ipv6_rcv+0x397/0x810 [ 7541.662125][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7541.662125][ T73] process_backlog+0x101/0x620 [ 7541.662125][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7541.662125][ T73] net_rx_action+0x495/0xbe0 [ 7541.662125][ T73] __do_softirq+0x1b5/0x7f6 [ 7541.662125][ T73] [ 7541.663782][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7541.663782][ T73] netdev_get_by_index+0x5e/0x80 [ 7541.663782][ T73] fib6_nh_init+0x3d8/0x1580 [ 7541.663782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7541.663782][ T73] ip6_route_add+0x1c/0x140 [ 7541.663782][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7541.663782][ T73] inet6_addr_add+0x4f8/0xa40 [ 7541.663782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.663782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.663782][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.663782][ T73] netlink_unicast+0x449/0x710 [ 7541.663782][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.663782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.663782][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.663782][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.663782][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.663782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.663782][ T73] [ 7541.665780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7541.665780][ T73] netdev_get_by_index+0x5e/0x80 [ 7541.665780][ T73] fib6_nh_init+0x3d8/0x1580 [ 7541.665780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7541.665780][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7541.665780][ T73] ipv6_add_addr+0x411/0x2000 [ 7541.665780][ T73] inet6_addr_add+0x30e/0xa40 [ 7541.665780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.665780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.665780][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.665780][ T73] netlink_unicast+0x449/0x710 [ 7541.665780][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.665780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.665780][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.665780][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.665780][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.665780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.665780][ T73] [ 7541.667765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7541.667765][ T73] netdev_get_by_index+0x5e/0x80 [ 7541.667765][ T73] fib6_nh_init+0x3d8/0x1580 [ 7541.667765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7541.667765][ T73] ip6_route_add+0x1c/0x140 [ 7541.667765][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7541.667765][ T73] addrconf_add_dev+0xe2/0x170 [ 7541.667765][ T73] inet6_addr_add+0x12f/0xa40 [ 7541.667765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.667765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.667765][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.667765][ T73] netlink_unicast+0x449/0x710 [ 7541.667765][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.667765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.667765][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.667765][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.667765][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.667765][ T73] [ 7541.669735][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7541.669735][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7541.669735][ T73] ipv6_find_idev+0x102/0x170 [ 7541.669735][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7541.669735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.669735][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.669735][ T73] netlink_unicast+0x449/0x710 [ 7541.669735][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.669735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.669735][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.669735][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.669735][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.669735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.669735][ T73] [ 7541.671267][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7541.671267][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7541.671267][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7541.671267][ T73] ipv6_find_idev+0x102/0x170 [ 7541.671267][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7541.671267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.671267][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.671267][ T73] netlink_unicast+0x449/0x710 [ 7541.671267][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.671267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.671267][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.671267][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.671267][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.671267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.671267][ T73] [ 7541.672947][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7541.673184][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7541.673184][ T73] dst_init+0x84/0x4a0 [ 7541.673184][ T73] dst_alloc+0x97/0x150 [ 7541.673184][ T73] ip6_dst_alloc+0x23/0x90 [ 7541.673184][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7541.673184][ T73] ip6_pol_route+0x56f/0x840 [ 7541.673184][ T73] fib6_rule_lookup+0x456/0x630 [ 7541.673184][ T73] ip6_route_input+0x59c/0xa50 [ 7541.673184][ T73] ipv6_rcv+0x397/0x810 [ 7541.673184][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7541.673184][ T73] process_backlog+0x101/0x620 [ 7541.673184][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7541.673184][ T73] net_rx_action+0x495/0xbe0 [ 7541.673184][ T73] __do_softirq+0x1b5/0x7f6 [ 7541.673184][ T73] [ 7541.674813][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7541.674813][ T73] netdev_get_by_index+0x5e/0x80 [ 7541.674813][ T73] fib6_nh_init+0x3d8/0x1580 [ 7541.674813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7541.674813][ T73] ip6_route_add+0x1c/0x140 [ 7541.674813][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7541.674813][ T73] inet6_addr_add+0x4f8/0xa40 [ 7541.674813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.674813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.674813][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.674813][ T73] netlink_unicast+0x449/0x710 [ 7541.674813][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.674813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.674813][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.674813][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.674813][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.674813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.674813][ T73] [ 7541.676796][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7541.676796][ T73] netdev_get_by_index+0x5e/0x80 [ 7541.676796][ T73] fib6_nh_init+0x3d8/0x1580 [ 7541.676796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7541.676796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7541.676796][ T73] ipv6_add_addr+0x411/0x2000 [ 7541.676796][ T73] inet6_addr_add+0x30e/0xa40 [ 7541.676796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.676796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.676796][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.676796][ T73] netlink_unicast+0x449/0x710 [ 7541.676796][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.676796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.676796][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.676796][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.676796][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.676796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.676796][ T73] [ 7541.678789][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7541.678789][ T73] netdev_get_by_index+0x5e/0x80 [ 7541.678789][ T73] fib6_nh_init+0x3d8/0x1580 [ 7541.678789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7541.678789][ T73] ip6_route_add+0x1c/0x140 [ 7541.678789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7541.678789][ T73] addrconf_add_dev+0xe2/0x170 [ 7541.678789][ T73] inet6_addr_add+0x12f/0xa40 [ 7541.678789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7541.678789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.678789][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.678789][ T73] netlink_unicast+0x449/0x710 [ 7541.678789][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.678789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.678789][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.678789][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.678789][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.678789][ T73] [ 7541.680738][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7541.680738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7541.680738][ T73] ipv6_find_idev+0x102/0x170 [ 7541.680738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7541.680738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.680738][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.680738][ T73] netlink_unicast+0x449/0x710 [ 7541.680738][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.680738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.680738][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.680738][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.680738][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.680738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.680738][ T73] [ 7541.682284][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7541.682284][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7541.682284][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7541.682284][ T73] ipv6_find_idev+0x102/0x170 [ 7541.682284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7541.682284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7541.682284][ T73] netlink_rcv_skb+0x130/0x360 [ 7541.682284][ T73] netlink_unicast+0x449/0x710 [ 7541.682284][ T73] netlink_sendmsg+0x723/0xbe0 [ 7541.682284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7541.682284][ T73] ___sys_sendmsg+0xee/0x170 [ 7541.682284][ T73] __sys_sendmsg+0xcd/0x170 [ 7541.682284][ T73] do_syscall_64+0xc6/0x1e0 [ 7541.682284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7541.682284][ T73] [ 7542.877707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7542.878317][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7542.878317][ T1076] netdev_get_by_index+0x5e/0x80 [ 7542.878317][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7542.878317][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7542.878317][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7542.878317][ T1076] ipv6_add_addr+0x411/0x2000 [ 7542.878317][ T1076] inet6_addr_add+0x30e/0xa40 [ 7542.878317][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7542.878317][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.878317][ T1076] netlink_rcv_skb+0x130/0x360 [ 7542.878317][ T1076] netlink_unicast+0x449/0x710 [ 7542.878317][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7542.878317][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7542.878317][ T1076] ___sys_sendmsg+0xee/0x170 [ 7542.878317][ T1076] __sys_sendmsg+0xcd/0x170 [ 7542.878317][ T1076] do_syscall_64+0xc6/0x1e0 [ 7542.878317][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.878317][ T1076] [ 7542.880772][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7542.880772][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7542.880772][ T1076] ipv6_find_idev+0x102/0x170 [ 7542.880772][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7542.880772][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.880772][ T1076] netlink_rcv_skb+0x130/0x360 [ 7542.880772][ T1076] netlink_unicast+0x449/0x710 [ 7542.880772][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7542.880772][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7542.880772][ T1076] ___sys_sendmsg+0xee/0x170 [ 7542.880772][ T1076] __sys_sendmsg+0xcd/0x170 [ 7542.880772][ T1076] do_syscall_64+0xc6/0x1e0 [ 7542.880772][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.880772][ T1076] [ 7542.882847][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7542.882847][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7542.882847][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7542.882847][ T1076] ipv6_find_idev+0x102/0x170 [ 7542.882847][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7542.882847][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7542.882847][ T1076] netlink_rcv_skb+0x130/0x360 [ 7542.882847][ T1076] netlink_unicast+0x449/0x710 [ 7542.882847][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7542.882847][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7542.882847][ T1076] ___sys_sendmsg+0xee/0x170 [ 7542.882847][ T1076] __sys_sendmsg+0xcd/0x170 [ 7542.882847][ T1076] do_syscall_64+0xc6/0x1e0 [ 7542.882847][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7542.882847][ T1076] [ 7551.925703][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7551.926140][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7551.926140][ T73] dst_init+0x84/0x4a0 [ 7551.926140][ T73] dst_alloc+0x97/0x150 [ 7551.926140][ T73] ip6_dst_alloc+0x23/0x90 [ 7551.926140][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7551.926140][ T73] ip6_pol_route+0x56f/0x840 [ 7551.926140][ T73] fib6_rule_lookup+0x456/0x630 [ 7551.926140][ T73] ip6_route_input+0x59c/0xa50 [ 7551.926140][ T73] ipv6_rcv+0x397/0x810 [ 7551.926140][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7551.926140][ T73] process_backlog+0x101/0x620 [ 7551.926140][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7551.926140][ T73] net_rx_action+0x495/0xbe0 [ 7551.926140][ T73] __do_softirq+0x1b5/0x7f6 [ 7551.926140][ T73] [ 7551.927809][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7551.927809][ T73] netdev_get_by_index+0x5e/0x80 [ 7551.927809][ T73] fib6_nh_init+0x3d8/0x1580 [ 7551.927809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7551.927809][ T73] ip6_route_add+0x1c/0x140 [ 7551.927809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7551.927809][ T73] inet6_addr_add+0x4f8/0xa40 [ 7551.927809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7551.927809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.927809][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.927809][ T73] netlink_unicast+0x449/0x710 [ 7551.927809][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.927809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.927809][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.927809][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.927809][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.927809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.927809][ T73] [ 7551.929819][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7551.929819][ T73] netdev_get_by_index+0x5e/0x80 [ 7551.929819][ T73] fib6_nh_init+0x3d8/0x1580 [ 7551.929819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7551.929819][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7551.929819][ T73] ipv6_add_addr+0x411/0x2000 [ 7551.929819][ T73] inet6_addr_add+0x30e/0xa40 [ 7551.929819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7551.929819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.929819][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.929819][ T73] netlink_unicast+0x449/0x710 [ 7551.929819][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.929819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.929819][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.929819][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.929819][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.929819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.929819][ T73] [ 7551.931814][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7551.931814][ T73] netdev_get_by_index+0x5e/0x80 [ 7551.931814][ T73] fib6_nh_init+0x3d8/0x1580 [ 7551.931814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7551.931814][ T73] ip6_route_add+0x1c/0x140 [ 7551.931814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7551.931814][ T73] addrconf_add_dev+0xe2/0x170 [ 7551.931814][ T73] inet6_addr_add+0x12f/0xa40 [ 7551.931814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7551.931814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.931814][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.931814][ T73] netlink_unicast+0x449/0x710 [ 7551.931814][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.931814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.931814][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.931814][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.931814][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.931814][ T73] [ 7551.933763][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7551.933763][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7551.933763][ T73] ipv6_find_idev+0x102/0x170 [ 7551.933763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7551.933763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.933763][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.933763][ T73] netlink_unicast+0x449/0x710 [ 7551.933763][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.933763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.933763][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.933763][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.933763][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.933763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.933763][ T73] [ 7551.935296][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7551.935296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7551.935296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7551.935296][ T73] ipv6_find_idev+0x102/0x170 [ 7551.935296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7551.935296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.935296][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.935296][ T73] netlink_unicast+0x449/0x710 [ 7551.935296][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.935296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.935296][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.935296][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.935296][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.935296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.935296][ T73] [ 7551.936967][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7551.937207][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7551.937207][ T73] dst_init+0x84/0x4a0 [ 7551.937207][ T73] dst_alloc+0x97/0x150 [ 7551.937207][ T73] ip6_dst_alloc+0x23/0x90 [ 7551.937207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7551.937207][ T73] ip6_pol_route+0x56f/0x840 [ 7551.937207][ T73] fib6_rule_lookup+0x456/0x630 [ 7551.937207][ T73] ip6_route_input+0x59c/0xa50 [ 7551.937207][ T73] ipv6_rcv+0x397/0x810 [ 7551.937207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7551.937207][ T73] process_backlog+0x101/0x620 [ 7551.937207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7551.937207][ T73] net_rx_action+0x495/0xbe0 [ 7551.937207][ T73] __do_softirq+0x1b5/0x7f6 [ 7551.937207][ T73] [ 7551.938849][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7551.938849][ T73] netdev_get_by_index+0x5e/0x80 [ 7551.938849][ T73] fib6_nh_init+0x3d8/0x1580 [ 7551.938849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7551.938849][ T73] ip6_route_add+0x1c/0x140 [ 7551.938849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7551.938849][ T73] inet6_addr_add+0x4f8/0xa40 [ 7551.938849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7551.938849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.938849][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.938849][ T73] netlink_unicast+0x449/0x710 [ 7551.938849][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.938849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.938849][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.938849][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.938849][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.938849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.938849][ T73] [ 7551.940833][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7551.940833][ T73] netdev_get_by_index+0x5e/0x80 [ 7551.940833][ T73] fib6_nh_init+0x3d8/0x1580 [ 7551.940833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7551.940833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7551.940833][ T73] ipv6_add_addr+0x411/0x2000 [ 7551.940833][ T73] inet6_addr_add+0x30e/0xa40 [ 7551.940833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7551.940833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.940833][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.940833][ T73] netlink_unicast+0x449/0x710 [ 7551.940833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.940833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.940833][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.940833][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.940833][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.940833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.940833][ T73] [ 7551.942825][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7551.942825][ T73] netdev_get_by_index+0x5e/0x80 [ 7551.942825][ T73] fib6_nh_init+0x3d8/0x1580 [ 7551.942825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7551.942825][ T73] ip6_route_add+0x1c/0x140 [ 7551.942825][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7551.942825][ T73] addrconf_add_dev+0xe2/0x170 [ 7551.942825][ T73] inet6_addr_add+0x12f/0xa40 [ 7551.942825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7551.942825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.942825][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.942825][ T73] netlink_unicast+0x449/0x710 [ 7551.942825][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.942825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.942825][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.942825][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.942825][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.942825][ T73] [ 7551.944772][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7551.944772][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7551.944772][ T73] ipv6_find_idev+0x102/0x170 [ 7551.944772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7551.944772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.944772][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.944772][ T73] netlink_unicast+0x449/0x710 [ 7551.944772][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.944772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.944772][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.944772][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.944772][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.944772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.944772][ T73] [ 7551.946302][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7551.946302][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7551.946302][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7551.946302][ T73] ipv6_find_idev+0x102/0x170 [ 7551.946302][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7551.946302][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7551.946302][ T73] netlink_rcv_skb+0x130/0x360 [ 7551.946302][ T73] netlink_unicast+0x449/0x710 [ 7551.946302][ T73] netlink_sendmsg+0x723/0xbe0 [ 7551.946302][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7551.946302][ T73] ___sys_sendmsg+0xee/0x170 [ 7551.946302][ T73] __sys_sendmsg+0xcd/0x170 [ 7551.946302][ T73] do_syscall_64+0xc6/0x1e0 [ 7551.946302][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7551.946302][ T73] [ 7553.125731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7553.126236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7553.126236][ T1076] netdev_get_by_index+0x5e/0x80 [ 7553.126236][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7553.126236][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7553.126236][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7553.126236][ T1076] ipv6_add_addr+0x411/0x2000 [ 7553.126236][ T1076] inet6_addr_add+0x30e/0xa40 [ 7553.126236][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7553.126236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7553.126236][ T1076] netlink_rcv_skb+0x130/0x360 [ 7553.126236][ T1076] netlink_unicast+0x449/0x710 [ 7553.126236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7553.126236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7553.126236][ T1076] ___sys_sendmsg+0xee/0x170 [ 7553.126236][ T1076] __sys_sendmsg+0xcd/0x170 [ 7553.126236][ T1076] do_syscall_64+0xc6/0x1e0 [ 7553.126236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7553.126236][ T1076] [ 7553.128507][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7553.128507][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7553.128507][ T1076] ipv6_find_idev+0x102/0x170 [ 7553.128507][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7553.128507][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7553.128507][ T1076] netlink_rcv_skb+0x130/0x360 [ 7553.128507][ T1076] netlink_unicast+0x449/0x710 [ 7553.128507][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7553.128507][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7553.128507][ T1076] ___sys_sendmsg+0xee/0x170 [ 7553.128507][ T1076] __sys_sendmsg+0xcd/0x170 [ 7553.128507][ T1076] do_syscall_64+0xc6/0x1e0 [ 7553.128507][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7553.128507][ T1076] [ 7553.130251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7553.130251][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7553.130251][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7553.130251][ T1076] ipv6_find_idev+0x102/0x170 [ 7553.130251][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7553.130251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7553.130251][ T1076] netlink_rcv_skb+0x130/0x360 [ 7553.130251][ T1076] netlink_unicast+0x449/0x710 [ 7553.130251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7553.130251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7553.130251][ T1076] ___sys_sendmsg+0xee/0x170 [ 7553.130251][ T1076] __sys_sendmsg+0xcd/0x170 [ 7553.130251][ T1076] do_syscall_64+0xc6/0x1e0 [ 7553.130251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7553.130251][ T1076] [ 7562.093731][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7562.094207][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7562.094207][ T73] dst_init+0x84/0x4a0 [ 7562.094207][ T73] dst_alloc+0x97/0x150 [ 7562.094207][ T73] ip6_dst_alloc+0x23/0x90 [ 7562.094207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7562.094207][ T73] ip6_pol_route+0x56f/0x840 [ 7562.094207][ T73] fib6_rule_lookup+0x456/0x630 [ 7562.094207][ T73] ip6_route_input+0x59c/0xa50 [ 7562.094207][ T73] ipv6_rcv+0x397/0x810 [ 7562.094207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7562.094207][ T73] process_backlog+0x101/0x620 [ 7562.094207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7562.094207][ T73] net_rx_action+0x495/0xbe0 [ 7562.094207][ T73] __do_softirq+0x1b5/0x7f6 [ 7562.094207][ T73] [ 7562.095870][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7562.095870][ T73] netdev_get_by_index+0x5e/0x80 [ 7562.095870][ T73] fib6_nh_init+0x3d8/0x1580 [ 7562.095870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7562.095870][ T73] ip6_route_add+0x1c/0x140 [ 7562.095870][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7562.095870][ T73] inet6_addr_add+0x4f8/0xa40 [ 7562.095870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.095870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.095870][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.095870][ T73] netlink_unicast+0x449/0x710 [ 7562.095870][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.095870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.095870][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.095870][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.095870][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.095870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.095870][ T73] [ 7562.097882][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7562.097882][ T73] netdev_get_by_index+0x5e/0x80 [ 7562.097882][ T73] fib6_nh_init+0x3d8/0x1580 [ 7562.097882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7562.097882][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7562.097882][ T73] ipv6_add_addr+0x411/0x2000 [ 7562.097882][ T73] inet6_addr_add+0x30e/0xa40 [ 7562.097882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.097882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.097882][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.097882][ T73] netlink_unicast+0x449/0x710 [ 7562.097882][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.097882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.097882][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.097882][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.097882][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.097882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.097882][ T73] [ 7562.099899][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7562.099899][ T73] netdev_get_by_index+0x5e/0x80 [ 7562.099899][ T73] fib6_nh_init+0x3d8/0x1580 [ 7562.099899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7562.099899][ T73] ip6_route_add+0x1c/0x140 [ 7562.099899][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7562.099899][ T73] addrconf_add_dev+0xe2/0x170 [ 7562.099899][ T73] inet6_addr_add+0x12f/0xa40 [ 7562.099899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.099899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.099899][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.099899][ T73] netlink_unicast+0x449/0x710 [ 7562.099899][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.099899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.099899][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.099899][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.099899][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.099899][ T73] [ 7562.101869][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7562.101869][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7562.101869][ T73] ipv6_find_idev+0x102/0x170 [ 7562.101869][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7562.101869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.101869][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.101869][ T73] netlink_unicast+0x449/0x710 [ 7562.101869][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.101869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.101869][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.101869][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.101869][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.101869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.101869][ T73] [ 7562.103406][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7562.103406][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7562.103406][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7562.103406][ T73] ipv6_find_idev+0x102/0x170 [ 7562.103406][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7562.103406][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.103406][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.103406][ T73] netlink_unicast+0x449/0x710 [ 7562.103406][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.103406][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.103406][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.103406][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.103406][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.103406][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.103406][ T73] [ 7562.105089][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7562.105324][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7562.105324][ T73] dst_init+0x84/0x4a0 [ 7562.105324][ T73] dst_alloc+0x97/0x150 [ 7562.105324][ T73] ip6_dst_alloc+0x23/0x90 [ 7562.105324][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7562.105324][ T73] ip6_pol_route+0x56f/0x840 [ 7562.105324][ T73] fib6_rule_lookup+0x456/0x630 [ 7562.105324][ T73] ip6_route_input+0x59c/0xa50 [ 7562.105324][ T73] ipv6_rcv+0x397/0x810 [ 7562.105324][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7562.105324][ T73] process_backlog+0x101/0x620 [ 7562.105324][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7562.105324][ T73] net_rx_action+0x495/0xbe0 [ 7562.105324][ T73] __do_softirq+0x1b5/0x7f6 [ 7562.105324][ T73] [ 7562.106953][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7562.106953][ T73] netdev_get_by_index+0x5e/0x80 [ 7562.106953][ T73] fib6_nh_init+0x3d8/0x1580 [ 7562.106953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7562.106953][ T73] ip6_route_add+0x1c/0x140 [ 7562.106953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7562.106953][ T73] inet6_addr_add+0x4f8/0xa40 [ 7562.106953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.106953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.106953][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.106953][ T73] netlink_unicast+0x449/0x710 [ 7562.106953][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.106953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.106953][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.106953][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.106953][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.106953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.106953][ T73] [ 7562.108957][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7562.108957][ T73] netdev_get_by_index+0x5e/0x80 [ 7562.108957][ T73] fib6_nh_init+0x3d8/0x1580 [ 7562.108957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7562.108957][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7562.108957][ T73] ipv6_add_addr+0x411/0x2000 [ 7562.108957][ T73] inet6_addr_add+0x30e/0xa40 [ 7562.108957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.108957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.108957][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.108957][ T73] netlink_unicast+0x449/0x710 [ 7562.108957][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.108957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.108957][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.108957][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.108957][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.108957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.108957][ T73] [ 7562.110941][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7562.110941][ T73] netdev_get_by_index+0x5e/0x80 [ 7562.110941][ T73] fib6_nh_init+0x3d8/0x1580 [ 7562.110941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7562.110941][ T73] ip6_route_add+0x1c/0x140 [ 7562.110941][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7562.110941][ T73] addrconf_add_dev+0xe2/0x170 [ 7562.110941][ T73] inet6_addr_add+0x12f/0xa40 [ 7562.110941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7562.110941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.110941][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.110941][ T73] netlink_unicast+0x449/0x710 [ 7562.110941][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.110941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.110941][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.110941][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.110941][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.110941][ T73] [ 7562.112876][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7562.112876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7562.112876][ T73] ipv6_find_idev+0x102/0x170 [ 7562.112876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7562.112876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.112876][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.112876][ T73] netlink_unicast+0x449/0x710 [ 7562.112876][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.112876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.112876][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.112876][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.112876][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.112876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.112876][ T73] [ 7562.114389][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7562.114389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7562.114389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7562.114389][ T73] ipv6_find_idev+0x102/0x170 [ 7562.114389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7562.114389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7562.114389][ T73] netlink_rcv_skb+0x130/0x360 [ 7562.114389][ T73] netlink_unicast+0x449/0x710 [ 7562.114389][ T73] netlink_sendmsg+0x723/0xbe0 [ 7562.114389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7562.114389][ T73] ___sys_sendmsg+0xee/0x170 [ 7562.114389][ T73] __sys_sendmsg+0xcd/0x170 [ 7562.114389][ T73] do_syscall_64+0xc6/0x1e0 [ 7562.114389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7562.114389][ T73] [ 7563.373704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7563.374156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7563.374156][ T1076] netdev_get_by_index+0x5e/0x80 [ 7563.374156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7563.374156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7563.374156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7563.374156][ T1076] ipv6_add_addr+0x411/0x2000 [ 7563.374156][ T1076] inet6_addr_add+0x30e/0xa40 [ 7563.374156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7563.374156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.374156][ T1076] netlink_rcv_skb+0x130/0x360 [ 7563.374156][ T1076] netlink_unicast+0x449/0x710 [ 7563.374156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7563.374156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7563.374156][ T1076] ___sys_sendmsg+0xee/0x170 [ 7563.374156][ T1076] __sys_sendmsg+0xcd/0x170 [ 7563.374156][ T1076] do_syscall_64+0xc6/0x1e0 [ 7563.374156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.374156][ T1076] [ 7563.376429][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7563.376429][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7563.376429][ T1076] ipv6_find_idev+0x102/0x170 [ 7563.376429][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7563.376429][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.376429][ T1076] netlink_rcv_skb+0x130/0x360 [ 7563.376429][ T1076] netlink_unicast+0x449/0x710 [ 7563.376429][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7563.376429][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7563.376429][ T1076] ___sys_sendmsg+0xee/0x170 [ 7563.376429][ T1076] __sys_sendmsg+0xcd/0x170 [ 7563.376429][ T1076] do_syscall_64+0xc6/0x1e0 [ 7563.376429][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.376429][ T1076] [ 7563.378154][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7563.378154][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7563.378154][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7563.378154][ T1076] ipv6_find_idev+0x102/0x170 [ 7563.378154][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7563.378154][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7563.378154][ T1076] netlink_rcv_skb+0x130/0x360 [ 7563.378154][ T1076] netlink_unicast+0x449/0x710 [ 7563.378154][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7563.378154][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7563.378154][ T1076] ___sys_sendmsg+0xee/0x170 [ 7563.378154][ T1076] __sys_sendmsg+0xcd/0x170 [ 7563.378154][ T1076] do_syscall_64+0xc6/0x1e0 [ 7563.378154][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7563.378154][ T1076] [ 7572.357704][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7572.358066][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7572.358066][ T73] dst_init+0x84/0x4a0 [ 7572.358066][ T73] dst_alloc+0x97/0x150 [ 7572.358066][ T73] ip6_dst_alloc+0x23/0x90 [ 7572.358066][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7572.358066][ T73] ip6_pol_route+0x56f/0x840 [ 7572.358066][ T73] fib6_rule_lookup+0x456/0x630 [ 7572.358066][ T73] ip6_route_input+0x59c/0xa50 [ 7572.358066][ T73] ipv6_rcv+0x397/0x810 [ 7572.358066][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7572.358066][ T73] process_backlog+0x101/0x620 [ 7572.358066][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7572.358066][ T73] net_rx_action+0x495/0xbe0 [ 7572.358066][ T73] __do_softirq+0x1b5/0x7f6 [ 7572.358066][ T73] [ 7572.359732][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7572.359732][ T73] netdev_get_by_index+0x5e/0x80 [ 7572.359732][ T73] fib6_nh_init+0x3d8/0x1580 [ 7572.359732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7572.359732][ T73] ip6_route_add+0x1c/0x140 [ 7572.359732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7572.359732][ T73] inet6_addr_add+0x4f8/0xa40 [ 7572.359732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.359732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.359732][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.359732][ T73] netlink_unicast+0x449/0x710 [ 7572.359732][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.359732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.359732][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.359732][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.359732][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.359732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.359732][ T73] [ 7572.361747][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7572.361747][ T73] netdev_get_by_index+0x5e/0x80 [ 7572.361747][ T73] fib6_nh_init+0x3d8/0x1580 [ 7572.361747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7572.361747][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7572.361747][ T73] ipv6_add_addr+0x411/0x2000 [ 7572.361747][ T73] inet6_addr_add+0x30e/0xa40 [ 7572.361747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.361747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.361747][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.361747][ T73] netlink_unicast+0x449/0x710 [ 7572.361747][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.361747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.361747][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.361747][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.361747][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.361747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.361747][ T73] [ 7572.363710][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7572.363710][ T73] netdev_get_by_index+0x5e/0x80 [ 7572.363710][ T73] fib6_nh_init+0x3d8/0x1580 [ 7572.363710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7572.363710][ T73] ip6_route_add+0x1c/0x140 [ 7572.363710][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7572.363710][ T73] addrconf_add_dev+0xe2/0x170 [ 7572.363710][ T73] inet6_addr_add+0x12f/0xa40 [ 7572.363710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.363710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.363710][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.363710][ T73] netlink_unicast+0x449/0x710 [ 7572.363710][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.363710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.363710][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.363710][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.363710][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.363710][ T73] [ 7572.365653][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7572.365653][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7572.365653][ T73] ipv6_find_idev+0x102/0x170 [ 7572.365653][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7572.365653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.365653][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.365653][ T73] netlink_unicast+0x449/0x710 [ 7572.365653][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.365653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.365653][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.365653][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.365653][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.365653][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.365653][ T73] [ 7572.367189][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7572.367189][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7572.367189][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7572.367189][ T73] ipv6_find_idev+0x102/0x170 [ 7572.367189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7572.367189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.367189][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.367189][ T73] netlink_unicast+0x449/0x710 [ 7572.367189][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.367189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.367189][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.367189][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.367189][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.367189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.367189][ T73] [ 7572.368890][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7572.369129][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7572.369129][ T73] dst_init+0x84/0x4a0 [ 7572.369129][ T73] dst_alloc+0x97/0x150 [ 7572.369129][ T73] ip6_dst_alloc+0x23/0x90 [ 7572.369129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7572.369129][ T73] ip6_pol_route+0x56f/0x840 [ 7572.369129][ T73] fib6_rule_lookup+0x456/0x630 [ 7572.369129][ T73] ip6_route_input+0x59c/0xa50 [ 7572.369129][ T73] ipv6_rcv+0x397/0x810 [ 7572.369129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7572.369129][ T73] process_backlog+0x101/0x620 [ 7572.369129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7572.369129][ T73] net_rx_action+0x495/0xbe0 [ 7572.369129][ T73] __do_softirq+0x1b5/0x7f6 [ 7572.369129][ T73] [ 7572.370749][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7572.370749][ T73] netdev_get_by_index+0x5e/0x80 [ 7572.370749][ T73] fib6_nh_init+0x3d8/0x1580 [ 7572.370749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7572.370749][ T73] ip6_route_add+0x1c/0x140 [ 7572.370749][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7572.370749][ T73] inet6_addr_add+0x4f8/0xa40 [ 7572.370749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.370749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.370749][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.370749][ T73] netlink_unicast+0x449/0x710 [ 7572.370749][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.370749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.370749][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.370749][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.370749][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.370749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.370749][ T73] [ 7572.372727][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7572.372727][ T73] netdev_get_by_index+0x5e/0x80 [ 7572.372727][ T73] fib6_nh_init+0x3d8/0x1580 [ 7572.372727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7572.372727][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7572.372727][ T73] ipv6_add_addr+0x411/0x2000 [ 7572.372727][ T73] inet6_addr_add+0x30e/0xa40 [ 7572.372727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.372727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.372727][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.372727][ T73] netlink_unicast+0x449/0x710 [ 7572.372727][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.372727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.372727][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.372727][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.372727][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.372727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.372727][ T73] [ 7572.374697][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7572.374697][ T73] netdev_get_by_index+0x5e/0x80 [ 7572.374697][ T73] fib6_nh_init+0x3d8/0x1580 [ 7572.374697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7572.374697][ T73] ip6_route_add+0x1c/0x140 [ 7572.374697][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7572.374697][ T73] addrconf_add_dev+0xe2/0x170 [ 7572.374697][ T73] inet6_addr_add+0x12f/0xa40 [ 7572.374697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7572.374697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.374697][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.374697][ T73] netlink_unicast+0x449/0x710 [ 7572.374697][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.374697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.374697][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.374697][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.374697][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.374697][ T73] [ 7572.376656][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7572.376656][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7572.376656][ T73] ipv6_find_idev+0x102/0x170 [ 7572.376656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7572.376656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.376656][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.376656][ T73] netlink_unicast+0x449/0x710 [ 7572.376656][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.376656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.376656][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.376656][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.376656][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.376656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.376656][ T73] [ 7572.378217][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7572.378217][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7572.378217][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7572.378217][ T73] ipv6_find_idev+0x102/0x170 [ 7572.378217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7572.378217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7572.378217][ T73] netlink_rcv_skb+0x130/0x360 [ 7572.378217][ T73] netlink_unicast+0x449/0x710 [ 7572.378217][ T73] netlink_sendmsg+0x723/0xbe0 [ 7572.378217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7572.378217][ T73] ___sys_sendmsg+0xee/0x170 [ 7572.378217][ T73] __sys_sendmsg+0xcd/0x170 [ 7572.378217][ T73] do_syscall_64+0xc6/0x1e0 [ 7572.378217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7572.378217][ T73] [ 7573.621714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7573.622145][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7573.622145][ T1076] netdev_get_by_index+0x5e/0x80 [ 7573.622145][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7573.622145][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7573.622145][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7573.622145][ T1076] ipv6_add_addr+0x411/0x2000 [ 7573.622145][ T1076] inet6_addr_add+0x30e/0xa40 [ 7573.622145][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7573.622145][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.622145][ T1076] netlink_rcv_skb+0x130/0x360 [ 7573.622145][ T1076] netlink_unicast+0x449/0x710 [ 7573.622145][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7573.622145][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7573.622145][ T1076] ___sys_sendmsg+0xee/0x170 [ 7573.622145][ T1076] __sys_sendmsg+0xcd/0x170 [ 7573.622145][ T1076] do_syscall_64+0xc6/0x1e0 [ 7573.622145][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.622145][ T1076] [ 7573.624408][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7573.624408][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7573.624408][ T1076] ipv6_find_idev+0x102/0x170 [ 7573.624408][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7573.624408][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.624408][ T1076] netlink_rcv_skb+0x130/0x360 [ 7573.624408][ T1076] netlink_unicast+0x449/0x710 [ 7573.624408][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7573.624408][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7573.624408][ T1076] ___sys_sendmsg+0xee/0x170 [ 7573.624408][ T1076] __sys_sendmsg+0xcd/0x170 [ 7573.624408][ T1076] do_syscall_64+0xc6/0x1e0 [ 7573.624408][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.624408][ T1076] [ 7573.626135][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7573.626135][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7573.626135][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7573.626135][ T1076] ipv6_find_idev+0x102/0x170 [ 7573.626135][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7573.626135][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7573.626135][ T1076] netlink_rcv_skb+0x130/0x360 [ 7573.626135][ T1076] netlink_unicast+0x449/0x710 [ 7573.626135][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7573.626135][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7573.626135][ T1076] ___sys_sendmsg+0xee/0x170 [ 7573.626135][ T1076] __sys_sendmsg+0xcd/0x170 [ 7573.626135][ T1076] do_syscall_64+0xc6/0x1e0 [ 7573.626135][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7573.626135][ T1076] [ 7582.621699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7582.622067][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7582.622067][ T73] dst_init+0x84/0x4a0 [ 7582.622067][ T73] dst_alloc+0x97/0x150 [ 7582.622067][ T73] ip6_dst_alloc+0x23/0x90 [ 7582.622067][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7582.622067][ T73] ip6_pol_route+0x56f/0x840 [ 7582.622067][ T73] fib6_rule_lookup+0x456/0x630 [ 7582.622067][ T73] ip6_route_input+0x59c/0xa50 [ 7582.622067][ T73] ipv6_rcv+0x397/0x810 [ 7582.622067][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7582.622067][ T73] process_backlog+0x101/0x620 [ 7582.622067][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7582.622067][ T73] net_rx_action+0x495/0xbe0 [ 7582.622067][ T73] __do_softirq+0x1b5/0x7f6 [ 7582.622067][ T73] [ 7582.623720][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7582.623720][ T73] netdev_get_by_index+0x5e/0x80 [ 7582.623720][ T73] fib6_nh_init+0x3d8/0x1580 [ 7582.623720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7582.623720][ T73] ip6_route_add+0x1c/0x140 [ 7582.623720][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7582.623720][ T73] inet6_addr_add+0x4f8/0xa40 [ 7582.623720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.623720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.623720][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.623720][ T73] netlink_unicast+0x449/0x710 [ 7582.623720][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.623720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.623720][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.623720][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.623720][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.623720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.623720][ T73] [ 7582.625681][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7582.625681][ T73] netdev_get_by_index+0x5e/0x80 [ 7582.625681][ T73] fib6_nh_init+0x3d8/0x1580 [ 7582.625681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7582.625681][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7582.625681][ T73] ipv6_add_addr+0x411/0x2000 [ 7582.625681][ T73] inet6_addr_add+0x30e/0xa40 [ 7582.625681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.625681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.625681][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.625681][ T73] netlink_unicast+0x449/0x710 [ 7582.625681][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.625681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.625681][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.625681][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.625681][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.625681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.625681][ T73] [ 7582.627662][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7582.627662][ T73] netdev_get_by_index+0x5e/0x80 [ 7582.627662][ T73] fib6_nh_init+0x3d8/0x1580 [ 7582.627662][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7582.627662][ T73] ip6_route_add+0x1c/0x140 [ 7582.627662][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7582.627662][ T73] addrconf_add_dev+0xe2/0x170 [ 7582.627662][ T73] inet6_addr_add+0x12f/0xa40 [ 7582.627662][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.627662][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.627662][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.627662][ T73] netlink_unicast+0x449/0x710 [ 7582.627662][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.627662][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.627662][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.627662][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.627662][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.627662][ T73] [ 7582.629639][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7582.629639][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7582.629639][ T73] ipv6_find_idev+0x102/0x170 [ 7582.629639][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7582.629639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.629639][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.629639][ T73] netlink_unicast+0x449/0x710 [ 7582.629639][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.629639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.629639][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.629639][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.629639][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.629639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.629639][ T73] [ 7582.631162][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7582.631162][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7582.631162][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7582.631162][ T73] ipv6_find_idev+0x102/0x170 [ 7582.631162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7582.631162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.631162][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.631162][ T73] netlink_unicast+0x449/0x710 [ 7582.631162][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.631162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.631162][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.631162][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.631162][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.631162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.631162][ T73] [ 7582.632848][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7582.633088][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7582.633088][ T73] dst_init+0x84/0x4a0 [ 7582.633088][ T73] dst_alloc+0x97/0x150 [ 7582.633088][ T73] ip6_dst_alloc+0x23/0x90 [ 7582.633088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7582.633088][ T73] ip6_pol_route+0x56f/0x840 [ 7582.633088][ T73] fib6_rule_lookup+0x456/0x630 [ 7582.633088][ T73] ip6_route_input+0x59c/0xa50 [ 7582.633088][ T73] ipv6_rcv+0x397/0x810 [ 7582.633088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7582.633088][ T73] process_backlog+0x101/0x620 [ 7582.633088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7582.633088][ T73] net_rx_action+0x495/0xbe0 [ 7582.633088][ T73] __do_softirq+0x1b5/0x7f6 [ 7582.633088][ T73] [ 7582.634708][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7582.634708][ T73] netdev_get_by_index+0x5e/0x80 [ 7582.634708][ T73] fib6_nh_init+0x3d8/0x1580 [ 7582.634708][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7582.634708][ T73] ip6_route_add+0x1c/0x140 [ 7582.634708][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7582.634708][ T73] inet6_addr_add+0x4f8/0xa40 [ 7582.634708][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.634708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.634708][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.634708][ T73] netlink_unicast+0x449/0x710 [ 7582.634708][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.634708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.634708][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.634708][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.634708][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.634708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.634708][ T73] [ 7582.636631][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7582.636631][ T73] netdev_get_by_index+0x5e/0x80 [ 7582.636631][ T73] fib6_nh_init+0x3d8/0x1580 [ 7582.636631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7582.636631][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7582.636631][ T73] ipv6_add_addr+0x411/0x2000 [ 7582.636631][ T73] inet6_addr_add+0x30e/0xa40 [ 7582.636631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.636631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.636631][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.636631][ T73] netlink_unicast+0x449/0x710 [ 7582.636631][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.636631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.636631][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.636631][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.636631][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.636631][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.636631][ T73] [ 7582.638616][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7582.638616][ T73] netdev_get_by_index+0x5e/0x80 [ 7582.638616][ T73] fib6_nh_init+0x3d8/0x1580 [ 7582.638616][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7582.638616][ T73] ip6_route_add+0x1c/0x140 [ 7582.638616][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7582.638616][ T73] addrconf_add_dev+0xe2/0x170 [ 7582.638616][ T73] inet6_addr_add+0x12f/0xa40 [ 7582.638616][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7582.638616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.638616][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.638616][ T73] netlink_unicast+0x449/0x710 [ 7582.638616][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.638616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.638616][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.638616][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.638616][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.638616][ T73] [ 7582.640580][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7582.640580][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7582.640580][ T73] ipv6_find_idev+0x102/0x170 [ 7582.640580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7582.640580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.640580][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.640580][ T73] netlink_unicast+0x449/0x710 [ 7582.640580][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.640580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.640580][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.640580][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.640580][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.640580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.640580][ T73] [ 7582.642092][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7582.642092][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7582.642092][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7582.642092][ T73] ipv6_find_idev+0x102/0x170 [ 7582.642092][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7582.642092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7582.642092][ T73] netlink_rcv_skb+0x130/0x360 [ 7582.642092][ T73] netlink_unicast+0x449/0x710 [ 7582.642092][ T73] netlink_sendmsg+0x723/0xbe0 [ 7582.642092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7582.642092][ T73] ___sys_sendmsg+0xee/0x170 [ 7582.642092][ T73] __sys_sendmsg+0xcd/0x170 [ 7582.642092][ T73] do_syscall_64+0xc6/0x1e0 [ 7582.642092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7582.642092][ T73] [ 7583.869704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7583.870159][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7583.870159][ T1076] netdev_get_by_index+0x5e/0x80 [ 7583.870159][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7583.870159][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7583.870159][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7583.870159][ T1076] ipv6_add_addr+0x411/0x2000 [ 7583.870159][ T1076] inet6_addr_add+0x30e/0xa40 [ 7583.870159][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7583.870159][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.870159][ T1076] netlink_rcv_skb+0x130/0x360 [ 7583.870159][ T1076] netlink_unicast+0x449/0x710 [ 7583.870159][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7583.870159][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7583.870159][ T1076] ___sys_sendmsg+0xee/0x170 [ 7583.870159][ T1076] __sys_sendmsg+0xcd/0x170 [ 7583.870159][ T1076] do_syscall_64+0xc6/0x1e0 [ 7583.870159][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.870159][ T1076] [ 7583.872387][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7583.872387][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7583.872387][ T1076] ipv6_find_idev+0x102/0x170 [ 7583.872387][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7583.872387][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.872387][ T1076] netlink_rcv_skb+0x130/0x360 [ 7583.872387][ T1076] netlink_unicast+0x449/0x710 [ 7583.872387][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7583.872387][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7583.872387][ T1076] ___sys_sendmsg+0xee/0x170 [ 7583.872387][ T1076] __sys_sendmsg+0xcd/0x170 [ 7583.872387][ T1076] do_syscall_64+0xc6/0x1e0 [ 7583.872387][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.872387][ T1076] [ 7583.874124][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7583.874124][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7583.874124][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7583.874124][ T1076] ipv6_find_idev+0x102/0x170 [ 7583.874124][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7583.874124][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7583.874124][ T1076] netlink_rcv_skb+0x130/0x360 [ 7583.874124][ T1076] netlink_unicast+0x449/0x710 [ 7583.874124][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7583.874124][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7583.874124][ T1076] ___sys_sendmsg+0xee/0x170 [ 7583.874124][ T1076] __sys_sendmsg+0xcd/0x170 [ 7583.874124][ T1076] do_syscall_64+0xc6/0x1e0 [ 7583.874124][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7583.874124][ T1076] [ 7592.885771][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7592.886130][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7592.886130][ T73] dst_init+0x84/0x4a0 [ 7592.886130][ T73] dst_alloc+0x97/0x150 [ 7592.886130][ T73] ip6_dst_alloc+0x23/0x90 [ 7592.886130][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7592.886130][ T73] ip6_pol_route+0x56f/0x840 [ 7592.886130][ T73] fib6_rule_lookup+0x456/0x630 [ 7592.886130][ T73] ip6_route_input+0x59c/0xa50 [ 7592.886130][ T73] ipv6_rcv+0x397/0x810 [ 7592.886130][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7592.886130][ T73] process_backlog+0x101/0x620 [ 7592.886130][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7592.886130][ T73] net_rx_action+0x495/0xbe0 [ 7592.886130][ T73] __do_softirq+0x1b5/0x7f6 [ 7592.886130][ T73] [ 7592.887795][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7592.887795][ T73] netdev_get_by_index+0x5e/0x80 [ 7592.887795][ T73] fib6_nh_init+0x3d8/0x1580 [ 7592.887795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7592.887795][ T73] ip6_route_add+0x1c/0x140 [ 7592.887795][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7592.887795][ T73] inet6_addr_add+0x4f8/0xa40 [ 7592.887795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7592.887795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.887795][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.887795][ T73] netlink_unicast+0x449/0x710 [ 7592.887795][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.887795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.887795][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.887795][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.887795][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.887795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.887795][ T73] [ 7592.889795][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7592.889795][ T73] netdev_get_by_index+0x5e/0x80 [ 7592.889795][ T73] fib6_nh_init+0x3d8/0x1580 [ 7592.889795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7592.889795][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7592.889795][ T73] ipv6_add_addr+0x411/0x2000 [ 7592.889795][ T73] inet6_addr_add+0x30e/0xa40 [ 7592.889795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7592.889795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.889795][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.889795][ T73] netlink_unicast+0x449/0x710 [ 7592.889795][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.889795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.889795][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.889795][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.889795][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.889795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.889795][ T73] [ 7592.891754][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7592.891754][ T73] netdev_get_by_index+0x5e/0x80 [ 7592.891754][ T73] fib6_nh_init+0x3d8/0x1580 [ 7592.891754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7592.891754][ T73] ip6_route_add+0x1c/0x140 [ 7592.891754][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7592.891754][ T73] addrconf_add_dev+0xe2/0x170 [ 7592.891754][ T73] inet6_addr_add+0x12f/0xa40 [ 7592.891754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7592.891754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.891754][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.891754][ T73] netlink_unicast+0x449/0x710 [ 7592.891754][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.891754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.891754][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.891754][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.891754][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.891754][ T73] [ 7592.893682][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7592.893682][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7592.893682][ T73] ipv6_find_idev+0x102/0x170 [ 7592.893682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7592.893682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.893682][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.893682][ T73] netlink_unicast+0x449/0x710 [ 7592.893682][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.893682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.893682][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.893682][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.893682][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.893682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.893682][ T73] [ 7592.895250][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7592.895250][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7592.895250][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7592.895250][ T73] ipv6_find_idev+0x102/0x170 [ 7592.895250][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7592.895250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.895250][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.895250][ T73] netlink_unicast+0x449/0x710 [ 7592.895250][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.895250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.895250][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.895250][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.895250][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.895250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.895250][ T73] [ 7592.896949][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7592.897207][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7592.897207][ T73] dst_init+0x84/0x4a0 [ 7592.897207][ T73] dst_alloc+0x97/0x150 [ 7592.897207][ T73] ip6_dst_alloc+0x23/0x90 [ 7592.897207][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7592.897207][ T73] ip6_pol_route+0x56f/0x840 [ 7592.897207][ T73] fib6_rule_lookup+0x456/0x630 [ 7592.897207][ T73] ip6_route_input+0x59c/0xa50 [ 7592.897207][ T73] ipv6_rcv+0x397/0x810 [ 7592.897207][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7592.897207][ T73] process_backlog+0x101/0x620 [ 7592.897207][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7592.897207][ T73] net_rx_action+0x495/0xbe0 [ 7592.897207][ T73] __do_softirq+0x1b5/0x7f6 [ 7592.897207][ T73] [ 7592.898847][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7592.898847][ T73] netdev_get_by_index+0x5e/0x80 [ 7592.898847][ T73] fib6_nh_init+0x3d8/0x1580 [ 7592.898847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7592.898847][ T73] ip6_route_add+0x1c/0x140 [ 7592.898847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7592.898847][ T73] inet6_addr_add+0x4f8/0xa40 [ 7592.898847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7592.898847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.898847][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.898847][ T73] netlink_unicast+0x449/0x710 [ 7592.898847][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.898847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.898847][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.898847][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.898847][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.898847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.898847][ T73] [ 7592.900815][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7592.900815][ T73] netdev_get_by_index+0x5e/0x80 [ 7592.900815][ T73] fib6_nh_init+0x3d8/0x1580 [ 7592.900815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7592.900815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7592.900815][ T73] ipv6_add_addr+0x411/0x2000 [ 7592.900815][ T73] inet6_addr_add+0x30e/0xa40 [ 7592.900815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7592.900815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.900815][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.900815][ T73] netlink_unicast+0x449/0x710 [ 7592.900815][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.900815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.900815][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.900815][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.900815][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.900815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.900815][ T73] [ 7592.902814][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7592.902814][ T73] netdev_get_by_index+0x5e/0x80 [ 7592.902814][ T73] fib6_nh_init+0x3d8/0x1580 [ 7592.902814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7592.902814][ T73] ip6_route_add+0x1c/0x140 [ 7592.902814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7592.902814][ T73] addrconf_add_dev+0xe2/0x170 [ 7592.902814][ T73] inet6_addr_add+0x12f/0xa40 [ 7592.902814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7592.902814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.902814][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.902814][ T73] netlink_unicast+0x449/0x710 [ 7592.902814][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.902814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.902814][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.902814][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.902814][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.902814][ T73] [ 7592.904768][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7592.904768][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7592.904768][ T73] ipv6_find_idev+0x102/0x170 [ 7592.904768][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7592.904768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.904768][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.904768][ T73] netlink_unicast+0x449/0x710 [ 7592.904768][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.904768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.904768][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.904768][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.904768][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.904768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.904768][ T73] [ 7592.906297][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7592.906297][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7592.906297][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7592.906297][ T73] ipv6_find_idev+0x102/0x170 [ 7592.906297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7592.906297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7592.906297][ T73] netlink_rcv_skb+0x130/0x360 [ 7592.906297][ T73] netlink_unicast+0x449/0x710 [ 7592.906297][ T73] netlink_sendmsg+0x723/0xbe0 [ 7592.906297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7592.906297][ T73] ___sys_sendmsg+0xee/0x170 [ 7592.906297][ T73] __sys_sendmsg+0xcd/0x170 [ 7592.906297][ T73] do_syscall_64+0xc6/0x1e0 [ 7592.906297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7592.906297][ T73] [ 7594.117704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7594.118139][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7594.118139][ T1076] netdev_get_by_index+0x5e/0x80 [ 7594.118139][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7594.118139][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7594.118139][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7594.118139][ T1076] ipv6_add_addr+0x411/0x2000 [ 7594.118139][ T1076] inet6_addr_add+0x30e/0xa40 [ 7594.118139][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7594.118139][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7594.118139][ T1076] netlink_rcv_skb+0x130/0x360 [ 7594.118139][ T1076] netlink_unicast+0x449/0x710 [ 7594.118139][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7594.118139][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7594.118139][ T1076] ___sys_sendmsg+0xee/0x170 [ 7594.118139][ T1076] __sys_sendmsg+0xcd/0x170 [ 7594.118139][ T1076] do_syscall_64+0xc6/0x1e0 [ 7594.118139][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7594.118139][ T1076] [ 7594.120421][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7594.120421][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7594.120421][ T1076] ipv6_find_idev+0x102/0x170 [ 7594.120421][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7594.120421][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7594.120421][ T1076] netlink_rcv_skb+0x130/0x360 [ 7594.120421][ T1076] netlink_unicast+0x449/0x710 [ 7594.120421][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7594.120421][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7594.120421][ T1076] ___sys_sendmsg+0xee/0x170 [ 7594.120421][ T1076] __sys_sendmsg+0xcd/0x170 [ 7594.120421][ T1076] do_syscall_64+0xc6/0x1e0 [ 7594.120421][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7594.120421][ T1076] [ 7594.122141][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7594.122141][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7594.122141][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7594.122141][ T1076] ipv6_find_idev+0x102/0x170 [ 7594.122141][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7594.122141][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7594.122141][ T1076] netlink_rcv_skb+0x130/0x360 [ 7594.122141][ T1076] netlink_unicast+0x449/0x710 [ 7594.122141][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7594.122141][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7594.122141][ T1076] ___sys_sendmsg+0xee/0x170 [ 7594.122141][ T1076] __sys_sendmsg+0xcd/0x170 [ 7594.122141][ T1076] do_syscall_64+0xc6/0x1e0 [ 7594.122141][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7594.122141][ T1076] [ 7603.149702][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7603.150048][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7603.150048][ T73] dst_init+0x84/0x4a0 [ 7603.150048][ T73] dst_alloc+0x97/0x150 [ 7603.150048][ T73] ip6_dst_alloc+0x23/0x90 [ 7603.150048][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7603.150048][ T73] ip6_pol_route+0x56f/0x840 [ 7603.150048][ T73] fib6_rule_lookup+0x456/0x630 [ 7603.150048][ T73] ip6_route_input+0x59c/0xa50 [ 7603.150048][ T73] ipv6_rcv+0x397/0x810 [ 7603.150048][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7603.150048][ T73] process_backlog+0x101/0x620 [ 7603.150048][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7603.150048][ T73] net_rx_action+0x495/0xbe0 [ 7603.150048][ T73] __do_softirq+0x1b5/0x7f6 [ 7603.150048][ T73] [ 7603.151713][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7603.151713][ T73] netdev_get_by_index+0x5e/0x80 [ 7603.151713][ T73] fib6_nh_init+0x3d8/0x1580 [ 7603.151713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7603.151713][ T73] ip6_route_add+0x1c/0x140 [ 7603.151713][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7603.151713][ T73] inet6_addr_add+0x4f8/0xa40 [ 7603.151713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.151713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.151713][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.151713][ T73] netlink_unicast+0x449/0x710 [ 7603.151713][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.151713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.151713][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.151713][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.151713][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.151713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.151713][ T73] [ 7603.153701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7603.153701][ T73] netdev_get_by_index+0x5e/0x80 [ 7603.153701][ T73] fib6_nh_init+0x3d8/0x1580 [ 7603.153701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7603.153701][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7603.153701][ T73] ipv6_add_addr+0x411/0x2000 [ 7603.153701][ T73] inet6_addr_add+0x30e/0xa40 [ 7603.153701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.153701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.153701][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.153701][ T73] netlink_unicast+0x449/0x710 [ 7603.153701][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.153701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.153701][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.153701][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.153701][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.153701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.153701][ T73] [ 7603.155692][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7603.155692][ T73] netdev_get_by_index+0x5e/0x80 [ 7603.155692][ T73] fib6_nh_init+0x3d8/0x1580 [ 7603.155692][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7603.155692][ T73] ip6_route_add+0x1c/0x140 [ 7603.155692][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7603.155692][ T73] addrconf_add_dev+0xe2/0x170 [ 7603.155692][ T73] inet6_addr_add+0x12f/0xa40 [ 7603.155692][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.155692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.155692][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.155692][ T73] netlink_unicast+0x449/0x710 [ 7603.155692][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.155692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.155692][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.155692][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.155692][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.155692][ T73] [ 7603.157653][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7603.157653][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7603.157653][ T73] ipv6_find_idev+0x102/0x170 [ 7603.157653][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7603.157653][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.157653][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.157653][ T73] netlink_unicast+0x449/0x710 [ 7603.157653][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.157653][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.157653][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.157653][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.157653][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.157653][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.157653][ T73] [ 7603.159186][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7603.159186][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7603.159186][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7603.159186][ T73] ipv6_find_idev+0x102/0x170 [ 7603.159186][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7603.159186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.159186][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.159186][ T73] netlink_unicast+0x449/0x710 [ 7603.159186][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.159186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.159186][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.159186][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.159186][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.159186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.159186][ T73] [ 7603.160871][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7603.161116][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7603.161116][ T73] dst_init+0x84/0x4a0 [ 7603.161116][ T73] dst_alloc+0x97/0x150 [ 7603.161116][ T73] ip6_dst_alloc+0x23/0x90 [ 7603.161116][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7603.161116][ T73] ip6_pol_route+0x56f/0x840 [ 7603.161116][ T73] fib6_rule_lookup+0x456/0x630 [ 7603.161116][ T73] ip6_route_input+0x59c/0xa50 [ 7603.161116][ T73] ipv6_rcv+0x397/0x810 [ 7603.161116][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7603.161116][ T73] process_backlog+0x101/0x620 [ 7603.161116][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7603.161116][ T73] net_rx_action+0x495/0xbe0 [ 7603.161116][ T73] __do_softirq+0x1b5/0x7f6 [ 7603.161116][ T73] [ 7603.162764][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7603.162764][ T73] netdev_get_by_index+0x5e/0x80 [ 7603.162764][ T73] fib6_nh_init+0x3d8/0x1580 [ 7603.162764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7603.162764][ T73] ip6_route_add+0x1c/0x140 [ 7603.162764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7603.162764][ T73] inet6_addr_add+0x4f8/0xa40 [ 7603.162764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.162764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.162764][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.162764][ T73] netlink_unicast+0x449/0x710 [ 7603.162764][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.162764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.162764][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.162764][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.162764][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.162764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.162764][ T73] [ 7603.164733][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7603.164733][ T73] netdev_get_by_index+0x5e/0x80 [ 7603.164733][ T73] fib6_nh_init+0x3d8/0x1580 [ 7603.164733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7603.164733][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7603.164733][ T73] ipv6_add_addr+0x411/0x2000 [ 7603.164733][ T73] inet6_addr_add+0x30e/0xa40 [ 7603.164733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.164733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.164733][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.164733][ T73] netlink_unicast+0x449/0x710 [ 7603.164733][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.164733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.164733][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.164733][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.164733][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.164733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.164733][ T73] [ 7603.166729][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7603.166729][ T73] netdev_get_by_index+0x5e/0x80 [ 7603.166729][ T73] fib6_nh_init+0x3d8/0x1580 [ 7603.166729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7603.166729][ T73] ip6_route_add+0x1c/0x140 [ 7603.166729][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7603.166729][ T73] addrconf_add_dev+0xe2/0x170 [ 7603.166729][ T73] inet6_addr_add+0x12f/0xa40 [ 7603.166729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7603.166729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.166729][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.166729][ T73] netlink_unicast+0x449/0x710 [ 7603.166729][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.166729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.166729][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.166729][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.166729][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.166729][ T73] [ 7603.168682][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7603.168682][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7603.168682][ T73] ipv6_find_idev+0x102/0x170 [ 7603.168682][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7603.168682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.168682][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.168682][ T73] netlink_unicast+0x449/0x710 [ 7603.168682][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.168682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.168682][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.168682][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.168682][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.168682][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.168682][ T73] [ 7603.170211][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7603.170211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7603.170211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7603.170211][ T73] ipv6_find_idev+0x102/0x170 [ 7603.170211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7603.170211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7603.170211][ T73] netlink_rcv_skb+0x130/0x360 [ 7603.170211][ T73] netlink_unicast+0x449/0x710 [ 7603.170211][ T73] netlink_sendmsg+0x723/0xbe0 [ 7603.170211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7603.170211][ T73] ___sys_sendmsg+0xee/0x170 [ 7603.170211][ T73] __sys_sendmsg+0xcd/0x170 [ 7603.170211][ T73] do_syscall_64+0xc6/0x1e0 [ 7603.170211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7603.170211][ T73] [ 7604.365702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7604.366144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7604.366144][ T1076] netdev_get_by_index+0x5e/0x80 [ 7604.366144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7604.366144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7604.366144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7604.366144][ T1076] ipv6_add_addr+0x411/0x2000 [ 7604.366144][ T1076] inet6_addr_add+0x30e/0xa40 [ 7604.366144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7604.366144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.366144][ T1076] netlink_rcv_skb+0x130/0x360 [ 7604.366144][ T1076] netlink_unicast+0x449/0x710 [ 7604.366144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7604.366144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7604.366144][ T1076] ___sys_sendmsg+0xee/0x170 [ 7604.366144][ T1076] __sys_sendmsg+0xcd/0x170 [ 7604.366144][ T1076] do_syscall_64+0xc6/0x1e0 [ 7604.366144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.366144][ T1076] [ 7604.368413][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7604.368413][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7604.368413][ T1076] ipv6_find_idev+0x102/0x170 [ 7604.368413][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7604.368413][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.368413][ T1076] netlink_rcv_skb+0x130/0x360 [ 7604.368413][ T1076] netlink_unicast+0x449/0x710 [ 7604.368413][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7604.368413][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7604.368413][ T1076] ___sys_sendmsg+0xee/0x170 [ 7604.368413][ T1076] __sys_sendmsg+0xcd/0x170 [ 7604.368413][ T1076] do_syscall_64+0xc6/0x1e0 [ 7604.368413][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.368413][ T1076] [ 7604.370134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7604.370134][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7604.370134][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7604.370134][ T1076] ipv6_find_idev+0x102/0x170 [ 7604.370134][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7604.370134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7604.370134][ T1076] netlink_rcv_skb+0x130/0x360 [ 7604.370134][ T1076] netlink_unicast+0x449/0x710 [ 7604.370134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7604.370134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7604.370134][ T1076] ___sys_sendmsg+0xee/0x170 [ 7604.370134][ T1076] __sys_sendmsg+0xcd/0x170 [ 7604.370134][ T1076] do_syscall_64+0xc6/0x1e0 [ 7604.370134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7604.370134][ T1076] [ 7613.309744][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7613.310101][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7613.310101][ T73] dst_init+0x84/0x4a0 [ 7613.310101][ T73] dst_alloc+0x97/0x150 [ 7613.310101][ T73] ip6_dst_alloc+0x23/0x90 [ 7613.310101][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7613.310101][ T73] ip6_pol_route+0x56f/0x840 [ 7613.310101][ T73] fib6_rule_lookup+0x456/0x630 [ 7613.310101][ T73] ip6_route_input+0x59c/0xa50 [ 7613.310101][ T73] ipv6_rcv+0x397/0x810 [ 7613.310101][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7613.310101][ T73] process_backlog+0x101/0x620 [ 7613.310101][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7613.310101][ T73] net_rx_action+0x495/0xbe0 [ 7613.310101][ T73] __do_softirq+0x1b5/0x7f6 [ 7613.310101][ T73] [ 7613.311761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7613.311761][ T73] netdev_get_by_index+0x5e/0x80 [ 7613.311761][ T73] fib6_nh_init+0x3d8/0x1580 [ 7613.311761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7613.311761][ T73] ip6_route_add+0x1c/0x140 [ 7613.311761][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7613.311761][ T73] inet6_addr_add+0x4f8/0xa40 [ 7613.311761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.311761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.311761][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.311761][ T73] netlink_unicast+0x449/0x710 [ 7613.311761][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.311761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.311761][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.311761][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.311761][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.311761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.311761][ T73] [ 7613.313807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7613.313807][ T73] netdev_get_by_index+0x5e/0x80 [ 7613.313807][ T73] fib6_nh_init+0x3d8/0x1580 [ 7613.313807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7613.313807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7613.313807][ T73] ipv6_add_addr+0x411/0x2000 [ 7613.313807][ T73] inet6_addr_add+0x30e/0xa40 [ 7613.313807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.313807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.313807][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.313807][ T73] netlink_unicast+0x449/0x710 [ 7613.313807][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.313807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.313807][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.313807][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.313807][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.313807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.313807][ T73] [ 7613.315843][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7613.315843][ T73] netdev_get_by_index+0x5e/0x80 [ 7613.315843][ T73] fib6_nh_init+0x3d8/0x1580 [ 7613.315843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7613.315843][ T73] ip6_route_add+0x1c/0x140 [ 7613.315843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7613.315843][ T73] addrconf_add_dev+0xe2/0x170 [ 7613.315843][ T73] inet6_addr_add+0x12f/0xa40 [ 7613.315843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.315843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.315843][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.315843][ T73] netlink_unicast+0x449/0x710 [ 7613.315843][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.315843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.315843][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.315843][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.315843][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.315843][ T73] [ 7613.317815][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7613.317815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7613.317815][ T73] ipv6_find_idev+0x102/0x170 [ 7613.317815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7613.317815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.317815][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.317815][ T73] netlink_unicast+0x449/0x710 [ 7613.317815][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.317815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.317815][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.317815][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.317815][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.317815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.317815][ T73] [ 7613.319373][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7613.319373][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7613.319373][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7613.319373][ T73] ipv6_find_idev+0x102/0x170 [ 7613.319373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7613.319373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.319373][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.319373][ T73] netlink_unicast+0x449/0x710 [ 7613.319373][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.319373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.319373][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.319373][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.319373][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.319373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.319373][ T73] [ 7613.321045][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7613.321278][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7613.321278][ T73] dst_init+0x84/0x4a0 [ 7613.321278][ T73] dst_alloc+0x97/0x150 [ 7613.321278][ T73] ip6_dst_alloc+0x23/0x90 [ 7613.321278][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7613.321278][ T73] ip6_pol_route+0x56f/0x840 [ 7613.321278][ T73] fib6_rule_lookup+0x456/0x630 [ 7613.321278][ T73] ip6_route_input+0x59c/0xa50 [ 7613.321278][ T73] ipv6_rcv+0x397/0x810 [ 7613.321278][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7613.321278][ T73] process_backlog+0x101/0x620 [ 7613.321278][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7613.321278][ T73] net_rx_action+0x495/0xbe0 [ 7613.321278][ T73] __do_softirq+0x1b5/0x7f6 [ 7613.321278][ T73] [ 7613.322874][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7613.322874][ T73] netdev_get_by_index+0x5e/0x80 [ 7613.322874][ T73] fib6_nh_init+0x3d8/0x1580 [ 7613.322874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7613.322874][ T73] ip6_route_add+0x1c/0x140 [ 7613.322874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7613.322874][ T73] inet6_addr_add+0x4f8/0xa40 [ 7613.322874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.322874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.322874][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.322874][ T73] netlink_unicast+0x449/0x710 [ 7613.322874][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.322874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.322874][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.322874][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.322874][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.322874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.322874][ T73] [ 7613.324851][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7613.324851][ T73] netdev_get_by_index+0x5e/0x80 [ 7613.324851][ T73] fib6_nh_init+0x3d8/0x1580 [ 7613.324851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7613.324851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7613.324851][ T73] ipv6_add_addr+0x411/0x2000 [ 7613.324851][ T73] inet6_addr_add+0x30e/0xa40 [ 7613.324851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.324851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.324851][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.324851][ T73] netlink_unicast+0x449/0x710 [ 7613.324851][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.324851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.324851][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.324851][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.324851][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.324851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.324851][ T73] [ 7613.326796][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7613.326796][ T73] netdev_get_by_index+0x5e/0x80 [ 7613.326796][ T73] fib6_nh_init+0x3d8/0x1580 [ 7613.326796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7613.326796][ T73] ip6_route_add+0x1c/0x140 [ 7613.326796][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7613.326796][ T73] addrconf_add_dev+0xe2/0x170 [ 7613.326796][ T73] inet6_addr_add+0x12f/0xa40 [ 7613.326796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7613.326796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.326796][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.326796][ T73] netlink_unicast+0x449/0x710 [ 7613.326796][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.326796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.326796][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.326796][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.326796][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.326796][ T73] [ 7613.328791][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7613.328791][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7613.328791][ T73] ipv6_find_idev+0x102/0x170 [ 7613.328791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7613.328791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.328791][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.328791][ T73] netlink_unicast+0x449/0x710 [ 7613.328791][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.328791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.328791][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.328791][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.328791][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.328791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.328791][ T73] [ 7613.330315][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7613.330315][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7613.330315][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7613.330315][ T73] ipv6_find_idev+0x102/0x170 [ 7613.330315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7613.330315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7613.330315][ T73] netlink_rcv_skb+0x130/0x360 [ 7613.330315][ T73] netlink_unicast+0x449/0x710 [ 7613.330315][ T73] netlink_sendmsg+0x723/0xbe0 [ 7613.330315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7613.330315][ T73] ___sys_sendmsg+0xee/0x170 [ 7613.330315][ T73] __sys_sendmsg+0xcd/0x170 [ 7613.330315][ T73] do_syscall_64+0xc6/0x1e0 [ 7613.330315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7613.330315][ T73] [ 7614.613701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7614.614091][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7614.614091][ T1076] netdev_get_by_index+0x5e/0x80 [ 7614.614091][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7614.614091][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7614.614091][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7614.614091][ T1076] ipv6_add_addr+0x411/0x2000 [ 7614.614091][ T1076] inet6_addr_add+0x30e/0xa40 [ 7614.614091][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7614.614091][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.614091][ T1076] netlink_rcv_skb+0x130/0x360 [ 7614.614091][ T1076] netlink_unicast+0x449/0x710 [ 7614.614091][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7614.614091][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7614.614091][ T1076] ___sys_sendmsg+0xee/0x170 [ 7614.614091][ T1076] __sys_sendmsg+0xcd/0x170 [ 7614.614091][ T1076] do_syscall_64+0xc6/0x1e0 [ 7614.614091][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.614091][ T1076] [ 7614.616353][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7614.616353][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7614.616353][ T1076] ipv6_find_idev+0x102/0x170 [ 7614.616353][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7614.616353][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.616353][ T1076] netlink_rcv_skb+0x130/0x360 [ 7614.616353][ T1076] netlink_unicast+0x449/0x710 [ 7614.616353][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7614.616353][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7614.616353][ T1076] ___sys_sendmsg+0xee/0x170 [ 7614.616353][ T1076] __sys_sendmsg+0xcd/0x170 [ 7614.616353][ T1076] do_syscall_64+0xc6/0x1e0 [ 7614.616353][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.616353][ T1076] [ 7614.618052][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7614.618052][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7614.618052][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7614.618052][ T1076] ipv6_find_idev+0x102/0x170 [ 7614.618052][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7614.618052][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7614.618052][ T1076] netlink_rcv_skb+0x130/0x360 [ 7614.618052][ T1076] netlink_unicast+0x449/0x710 [ 7614.618052][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7614.618052][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7614.618052][ T1076] ___sys_sendmsg+0xee/0x170 [ 7614.618052][ T1076] __sys_sendmsg+0xcd/0x170 [ 7614.618052][ T1076] do_syscall_64+0xc6/0x1e0 [ 7614.618052][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7614.618052][ T1076] [ 7619.877753][ T42] INFO: task modprobe:1264 blocked for more than 368 seconds. [ 7619.878110][ T42] Not tainted 6.8.0-virtme #1 [ 7619.878230][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7619.878427][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 7619.878707][ T42] Call Trace: [ 7619.878806][ T42] [ 7619.878877][ T42] __schedule+0x705/0x1ac0 [ 7619.879010][ T42] ? __pfx___schedule+0x10/0x10 [ 7619.879133][ T42] ? schedule+0x1a5/0x210 [ 7619.879229][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7619.879358][ T42] ? mark_lock+0x38/0x3e0 [ 7619.879452][ T42] ? do_raw_spin_lock+0x131/0x270 [ 7619.879581][ T42] ? schedule+0x1a5/0x210 [ 7619.879692][ T42] schedule+0xdf/0x210 [ 7619.879791][ T42] schedule_preempt_disabled+0x15/0x30 [ 7619.879915][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 7619.880043][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 7619.880193][ T42] ? kasan_save_stack+0x34/0x50 [ 7619.880321][ T42] ? kasan_save_stack+0x24/0x50 [ 7619.880452][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7619.880580][ T42] ? lock_acquire+0x1c1/0x220 [ 7619.880714][ T42] ? register_pernet_subsys+0x1a/0x50 [ 7619.880850][ T42] down_write+0x1c9/0x200 [ 7619.880945][ T42] ? __pfx_down_write+0x10/0x10 [ 7619.881067][ T42] ? __pfx___lock_release+0x10/0x10 [ 7619.881197][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 7619.881356][ T42] register_pernet_subsys+0x1a/0x50 [ 7619.881478][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 7619.881638][ T42] do_one_initcall+0xc8/0x3f0 [ 7619.881763][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 7619.881893][ T42] ? __create_object+0x5e/0xb0 [ 7619.882021][ T42] ? kasan_unpoison+0x27/0x60 [ 7619.882149][ T42] do_init_module+0x233/0x740 [ 7619.882281][ T42] load_module+0x16b5/0x2350 [ 7619.882415][ T42] ? __pfx_load_module+0x10/0x10 [ 7619.882538][ T42] ? kernel_read_file+0x3d2/0x520 [ 7619.882672][ T42] ? kernel_read_file+0x300/0x520 [ 7619.882802][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 7619.882931][ T42] ? init_module_from_file+0xd2/0x130 [ 7619.883057][ T42] init_module_from_file+0xd2/0x130 [ 7619.883178][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 7619.883329][ T42] ? __lock_release+0x103/0x460 [ 7619.883450][ T42] ? idempotent_init_module+0x32a/0x620 [ 7619.883598][ T42] ? idempotent_init_module+0x32a/0x620 [ 7619.883721][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 7619.883847][ T42] idempotent_init_module+0x342/0x620 [ 7619.883974][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 7619.884149][ T42] __x64_sys_finit_module+0xbe/0x130 [ 7619.884273][ T42] do_syscall_64+0xc6/0x1e0 [ 7619.884401][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7619.884553][ T42] RIP: 0033:0x7f6e8f82ce5d [ 7619.884689][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7619.884872][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 7619.885055][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 7619.885240][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 7619.885419][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 7619.885608][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 7619.885807][ T42] [ 7619.885903][ T42] [ 7619.885903][ T42] Showing all locks held in the system: [ 7619.886075][ T42] 1 lock held by khungtaskd/42: [ 7619.886194][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 7619.886414][ T42] 3 locks held by kworker/u16:1/73: [ 7619.886530][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7619.886791][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7619.887007][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 7619.887220][ T42] 2 locks held by kworker/u20:1/76: [ 7619.887338][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7619.887583][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7619.887877][ T42] 1 lock held by modprobe/1264: [ 7619.887992][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 7619.888236][ T42] [ 7619.888298][ T42] ============================================= [ 7619.888298][ T42] [ 7623.581726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7623.582164][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7623.582164][ T73] dst_init+0x84/0x4a0 [ 7623.582164][ T73] dst_alloc+0x97/0x150 [ 7623.582164][ T73] ip6_dst_alloc+0x23/0x90 [ 7623.582164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7623.582164][ T73] ip6_pol_route+0x56f/0x840 [ 7623.582164][ T73] fib6_rule_lookup+0x456/0x630 [ 7623.582164][ T73] ip6_route_input+0x59c/0xa50 [ 7623.582164][ T73] ipv6_rcv+0x397/0x810 [ 7623.582164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7623.582164][ T73] process_backlog+0x101/0x620 [ 7623.582164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7623.582164][ T73] net_rx_action+0x495/0xbe0 [ 7623.582164][ T73] __do_softirq+0x1b5/0x7f6 [ 7623.582164][ T73] [ 7623.583833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7623.583833][ T73] netdev_get_by_index+0x5e/0x80 [ 7623.583833][ T73] fib6_nh_init+0x3d8/0x1580 [ 7623.583833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7623.583833][ T73] ip6_route_add+0x1c/0x140 [ 7623.583833][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7623.583833][ T73] inet6_addr_add+0x4f8/0xa40 [ 7623.583833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.583833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.583833][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.583833][ T73] netlink_unicast+0x449/0x710 [ 7623.583833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.583833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.583833][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.583833][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.583833][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.583833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.583833][ T73] [ 7623.585829][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7623.585829][ T73] netdev_get_by_index+0x5e/0x80 [ 7623.585829][ T73] fib6_nh_init+0x3d8/0x1580 [ 7623.585829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7623.585829][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7623.585829][ T73] ipv6_add_addr+0x411/0x2000 [ 7623.585829][ T73] inet6_addr_add+0x30e/0xa40 [ 7623.585829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.585829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.585829][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.585829][ T73] netlink_unicast+0x449/0x710 [ 7623.585829][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.585829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.585829][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.585829][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.585829][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.585829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.585829][ T73] [ 7623.587818][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7623.587818][ T73] netdev_get_by_index+0x5e/0x80 [ 7623.587818][ T73] fib6_nh_init+0x3d8/0x1580 [ 7623.587818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7623.587818][ T73] ip6_route_add+0x1c/0x140 [ 7623.587818][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7623.587818][ T73] addrconf_add_dev+0xe2/0x170 [ 7623.587818][ T73] inet6_addr_add+0x12f/0xa40 [ 7623.587818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.587818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.587818][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.587818][ T73] netlink_unicast+0x449/0x710 [ 7623.587818][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.587818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.587818][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.587818][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.587818][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.587818][ T73] [ 7623.589761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7623.589761][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7623.589761][ T73] ipv6_find_idev+0x102/0x170 [ 7623.589761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7623.589761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.589761][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.589761][ T73] netlink_unicast+0x449/0x710 [ 7623.589761][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.589761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.589761][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.589761][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.589761][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.589761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.589761][ T73] [ 7623.591638][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7623.591638][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7623.591638][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7623.591638][ T73] ipv6_find_idev+0x102/0x170 [ 7623.591638][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7623.591638][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.591638][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.591638][ T73] netlink_unicast+0x449/0x710 [ 7623.591638][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.591638][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.591638][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.591638][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.591638][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.591638][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.591638][ T73] [ 7623.593827][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7623.594068][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7623.594068][ T73] dst_init+0x84/0x4a0 [ 7623.594068][ T73] dst_alloc+0x97/0x150 [ 7623.594068][ T73] ip6_dst_alloc+0x23/0x90 [ 7623.594068][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7623.594068][ T73] ip6_pol_route+0x56f/0x840 [ 7623.594068][ T73] fib6_rule_lookup+0x456/0x630 [ 7623.594068][ T73] ip6_route_input+0x59c/0xa50 [ 7623.594068][ T73] ipv6_rcv+0x397/0x810 [ 7623.594068][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7623.594068][ T73] process_backlog+0x101/0x620 [ 7623.594068][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7623.594068][ T73] net_rx_action+0x495/0xbe0 [ 7623.594068][ T73] __do_softirq+0x1b5/0x7f6 [ 7623.594068][ T73] [ 7623.595654][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7623.595654][ T73] netdev_get_by_index+0x5e/0x80 [ 7623.595654][ T73] fib6_nh_init+0x3d8/0x1580 [ 7623.595654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7623.595654][ T73] ip6_route_add+0x1c/0x140 [ 7623.595654][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7623.595654][ T73] inet6_addr_add+0x4f8/0xa40 [ 7623.595654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.595654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.595654][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.595654][ T73] netlink_unicast+0x449/0x710 [ 7623.595654][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.595654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.595654][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.595654][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.595654][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.595654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.595654][ T73] [ 7623.597585][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7623.597585][ T73] netdev_get_by_index+0x5e/0x80 [ 7623.597585][ T73] fib6_nh_init+0x3d8/0x1580 [ 7623.597585][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7623.597585][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7623.597585][ T73] ipv6_add_addr+0x411/0x2000 [ 7623.597585][ T73] inet6_addr_add+0x30e/0xa40 [ 7623.597585][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.597585][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.597585][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.597585][ T73] netlink_unicast+0x449/0x710 [ 7623.597585][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.597585][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.597585][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.597585][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.597585][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.597585][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.597585][ T73] [ 7623.599594][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7623.599594][ T73] netdev_get_by_index+0x5e/0x80 [ 7623.599594][ T73] fib6_nh_init+0x3d8/0x1580 [ 7623.599594][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7623.599594][ T73] ip6_route_add+0x1c/0x140 [ 7623.599594][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7623.599594][ T73] addrconf_add_dev+0xe2/0x170 [ 7623.599594][ T73] inet6_addr_add+0x12f/0xa40 [ 7623.599594][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7623.599594][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.599594][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.599594][ T73] netlink_unicast+0x449/0x710 [ 7623.599594][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.599594][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.599594][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.599594][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.599594][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.599594][ T73] [ 7623.601573][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7623.601573][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7623.601573][ T73] ipv6_find_idev+0x102/0x170 [ 7623.601573][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7623.601573][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.601573][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.601573][ T73] netlink_unicast+0x449/0x710 [ 7623.601573][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.601573][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.601573][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.601573][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.601573][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.601573][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.601573][ T73] [ 7623.603085][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7623.603085][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7623.603085][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7623.603085][ T73] ipv6_find_idev+0x102/0x170 [ 7623.603085][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7623.603085][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7623.603085][ T73] netlink_rcv_skb+0x130/0x360 [ 7623.603085][ T73] netlink_unicast+0x449/0x710 [ 7623.603085][ T73] netlink_sendmsg+0x723/0xbe0 [ 7623.603085][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7623.603085][ T73] ___sys_sendmsg+0xee/0x170 [ 7623.603085][ T73] __sys_sendmsg+0xcd/0x170 [ 7623.603085][ T73] do_syscall_64+0xc6/0x1e0 [ 7623.603085][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7623.603085][ T73] [ 7624.861704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7624.862149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7624.862149][ T1076] netdev_get_by_index+0x5e/0x80 [ 7624.862149][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7624.862149][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7624.862149][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7624.862149][ T1076] ipv6_add_addr+0x411/0x2000 [ 7624.862149][ T1076] inet6_addr_add+0x30e/0xa40 [ 7624.862149][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7624.862149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.862149][ T1076] netlink_rcv_skb+0x130/0x360 [ 7624.862149][ T1076] netlink_unicast+0x449/0x710 [ 7624.862149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7624.862149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7624.862149][ T1076] ___sys_sendmsg+0xee/0x170 [ 7624.862149][ T1076] __sys_sendmsg+0xcd/0x170 [ 7624.862149][ T1076] do_syscall_64+0xc6/0x1e0 [ 7624.862149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.862149][ T1076] [ 7624.864394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7624.864394][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7624.864394][ T1076] ipv6_find_idev+0x102/0x170 [ 7624.864394][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7624.864394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.864394][ T1076] netlink_rcv_skb+0x130/0x360 [ 7624.864394][ T1076] netlink_unicast+0x449/0x710 [ 7624.864394][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7624.864394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7624.864394][ T1076] ___sys_sendmsg+0xee/0x170 [ 7624.864394][ T1076] __sys_sendmsg+0xcd/0x170 [ 7624.864394][ T1076] do_syscall_64+0xc6/0x1e0 [ 7624.864394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.864394][ T1076] [ 7624.866112][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7624.866112][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7624.866112][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7624.866112][ T1076] ipv6_find_idev+0x102/0x170 [ 7624.866112][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7624.866112][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7624.866112][ T1076] netlink_rcv_skb+0x130/0x360 [ 7624.866112][ T1076] netlink_unicast+0x449/0x710 [ 7624.866112][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7624.866112][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7624.866112][ T1076] ___sys_sendmsg+0xee/0x170 [ 7624.866112][ T1076] __sys_sendmsg+0xcd/0x170 [ 7624.866112][ T1076] do_syscall_64+0xc6/0x1e0 [ 7624.866112][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7624.866112][ T1076] [ 7633.853735][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7633.854154][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7633.854154][ T73] dst_init+0x84/0x4a0 [ 7633.854154][ T73] dst_alloc+0x97/0x150 [ 7633.854154][ T73] ip6_dst_alloc+0x23/0x90 [ 7633.854154][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7633.854154][ T73] ip6_pol_route+0x56f/0x840 [ 7633.854154][ T73] fib6_rule_lookup+0x456/0x630 [ 7633.854154][ T73] ip6_route_input+0x59c/0xa50 [ 7633.854154][ T73] ipv6_rcv+0x397/0x810 [ 7633.854154][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7633.854154][ T73] process_backlog+0x101/0x620 [ 7633.854154][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7633.854154][ T73] net_rx_action+0x495/0xbe0 [ 7633.854154][ T73] __do_softirq+0x1b5/0x7f6 [ 7633.854154][ T73] [ 7633.855840][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7633.855840][ T73] netdev_get_by_index+0x5e/0x80 [ 7633.855840][ T73] fib6_nh_init+0x3d8/0x1580 [ 7633.855840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7633.855840][ T73] ip6_route_add+0x1c/0x140 [ 7633.855840][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7633.855840][ T73] inet6_addr_add+0x4f8/0xa40 [ 7633.855840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7633.855840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.855840][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.855840][ T73] netlink_unicast+0x449/0x710 [ 7633.855840][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.855840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.855840][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.855840][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.855840][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.855840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.855840][ T73] [ 7633.857842][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7633.857842][ T73] netdev_get_by_index+0x5e/0x80 [ 7633.857842][ T73] fib6_nh_init+0x3d8/0x1580 [ 7633.857842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7633.857842][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7633.857842][ T73] ipv6_add_addr+0x411/0x2000 [ 7633.857842][ T73] inet6_addr_add+0x30e/0xa40 [ 7633.857842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7633.857842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.857842][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.857842][ T73] netlink_unicast+0x449/0x710 [ 7633.857842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.857842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.857842][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.857842][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.857842][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.857842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.857842][ T73] [ 7633.859822][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7633.859822][ T73] netdev_get_by_index+0x5e/0x80 [ 7633.859822][ T73] fib6_nh_init+0x3d8/0x1580 [ 7633.859822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7633.859822][ T73] ip6_route_add+0x1c/0x140 [ 7633.859822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7633.859822][ T73] addrconf_add_dev+0xe2/0x170 [ 7633.859822][ T73] inet6_addr_add+0x12f/0xa40 [ 7633.859822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7633.859822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.859822][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.859822][ T73] netlink_unicast+0x449/0x710 [ 7633.859822][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.859822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.859822][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.859822][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.859822][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.859822][ T73] [ 7633.861804][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7633.861804][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7633.861804][ T73] ipv6_find_idev+0x102/0x170 [ 7633.861804][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7633.861804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.861804][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.861804][ T73] netlink_unicast+0x449/0x710 [ 7633.861804][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.861804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.861804][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.861804][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.861804][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.861804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.861804][ T73] [ 7633.863348][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7633.863348][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7633.863348][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7633.863348][ T73] ipv6_find_idev+0x102/0x170 [ 7633.863348][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7633.863348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.863348][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.863348][ T73] netlink_unicast+0x449/0x710 [ 7633.863348][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.863348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.863348][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.863348][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.863348][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.863348][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.863348][ T73] [ 7633.865028][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7633.865277][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7633.865277][ T73] dst_init+0x84/0x4a0 [ 7633.865277][ T73] dst_alloc+0x97/0x150 [ 7633.865277][ T73] ip6_dst_alloc+0x23/0x90 [ 7633.865277][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7633.865277][ T73] ip6_pol_route+0x56f/0x840 [ 7633.865277][ T73] fib6_rule_lookup+0x456/0x630 [ 7633.865277][ T73] ip6_route_input+0x59c/0xa50 [ 7633.865277][ T73] ipv6_rcv+0x397/0x810 [ 7633.865277][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7633.865277][ T73] process_backlog+0x101/0x620 [ 7633.865277][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7633.865277][ T73] net_rx_action+0x495/0xbe0 [ 7633.865277][ T73] __do_softirq+0x1b5/0x7f6 [ 7633.865277][ T73] [ 7633.866924][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7633.866924][ T73] netdev_get_by_index+0x5e/0x80 [ 7633.866924][ T73] fib6_nh_init+0x3d8/0x1580 [ 7633.866924][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7633.866924][ T73] ip6_route_add+0x1c/0x140 [ 7633.866924][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7633.866924][ T73] inet6_addr_add+0x4f8/0xa40 [ 7633.866924][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7633.866924][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.866924][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.866924][ T73] netlink_unicast+0x449/0x710 [ 7633.866924][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.866924][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.866924][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.866924][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.866924][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.866924][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.866924][ T73] [ 7633.868922][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7633.868922][ T73] netdev_get_by_index+0x5e/0x80 [ 7633.868922][ T73] fib6_nh_init+0x3d8/0x1580 [ 7633.868922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7633.868922][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7633.868922][ T73] ipv6_add_addr+0x411/0x2000 [ 7633.868922][ T73] inet6_addr_add+0x30e/0xa40 [ 7633.868922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7633.868922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.868922][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.868922][ T73] netlink_unicast+0x449/0x710 [ 7633.868922][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.868922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.868922][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.868922][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.868922][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.868922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.868922][ T73] [ 7633.870884][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7633.870884][ T73] netdev_get_by_index+0x5e/0x80 [ 7633.870884][ T73] fib6_nh_init+0x3d8/0x1580 [ 7633.870884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7633.870884][ T73] ip6_route_add+0x1c/0x140 [ 7633.870884][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7633.870884][ T73] addrconf_add_dev+0xe2/0x170 [ 7633.870884][ T73] inet6_addr_add+0x12f/0xa40 [ 7633.870884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7633.870884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.870884][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.870884][ T73] netlink_unicast+0x449/0x710 [ 7633.870884][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.870884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.870884][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.870884][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.870884][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.870884][ T73] [ 7633.872833][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7633.872833][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7633.872833][ T73] ipv6_find_idev+0x102/0x170 [ 7633.872833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7633.872833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.872833][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.872833][ T73] netlink_unicast+0x449/0x710 [ 7633.872833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.872833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.872833][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.872833][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.872833][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.872833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.872833][ T73] [ 7633.874367][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7633.874367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7633.874367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7633.874367][ T73] ipv6_find_idev+0x102/0x170 [ 7633.874367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7633.874367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7633.874367][ T73] netlink_rcv_skb+0x130/0x360 [ 7633.874367][ T73] netlink_unicast+0x449/0x710 [ 7633.874367][ T73] netlink_sendmsg+0x723/0xbe0 [ 7633.874367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7633.874367][ T73] ___sys_sendmsg+0xee/0x170 [ 7633.874367][ T73] __sys_sendmsg+0xcd/0x170 [ 7633.874367][ T73] do_syscall_64+0xc6/0x1e0 [ 7633.874367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7633.874367][ T73] [ 7635.109727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7635.110158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7635.110158][ T1076] netdev_get_by_index+0x5e/0x80 [ 7635.110158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7635.110158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7635.110158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7635.110158][ T1076] ipv6_add_addr+0x411/0x2000 [ 7635.110158][ T1076] inet6_addr_add+0x30e/0xa40 [ 7635.110158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7635.110158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7635.110158][ T1076] netlink_rcv_skb+0x130/0x360 [ 7635.110158][ T1076] netlink_unicast+0x449/0x710 [ 7635.110158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7635.110158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7635.110158][ T1076] ___sys_sendmsg+0xee/0x170 [ 7635.110158][ T1076] __sys_sendmsg+0xcd/0x170 [ 7635.110158][ T1076] do_syscall_64+0xc6/0x1e0 [ 7635.110158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7635.110158][ T1076] [ 7635.112399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7635.112399][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7635.112399][ T1076] ipv6_find_idev+0x102/0x170 [ 7635.112399][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7635.112399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7635.112399][ T1076] netlink_rcv_skb+0x130/0x360 [ 7635.112399][ T1076] netlink_unicast+0x449/0x710 [ 7635.112399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7635.112399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7635.112399][ T1076] ___sys_sendmsg+0xee/0x170 [ 7635.112399][ T1076] __sys_sendmsg+0xcd/0x170 [ 7635.112399][ T1076] do_syscall_64+0xc6/0x1e0 [ 7635.112399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7635.112399][ T1076] [ 7635.114077][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7635.114077][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7635.114077][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7635.114077][ T1076] ipv6_find_idev+0x102/0x170 [ 7635.114077][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7635.114077][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7635.114077][ T1076] netlink_rcv_skb+0x130/0x360 [ 7635.114077][ T1076] netlink_unicast+0x449/0x710 [ 7635.114077][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7635.114077][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7635.114077][ T1076] ___sys_sendmsg+0xee/0x170 [ 7635.114077][ T1076] __sys_sendmsg+0xcd/0x170 [ 7635.114077][ T1076] do_syscall_64+0xc6/0x1e0 [ 7635.114077][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7635.114077][ T1076] [ 7644.125705][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7644.126114][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7644.126114][ T73] dst_init+0x84/0x4a0 [ 7644.126114][ T73] dst_alloc+0x97/0x150 [ 7644.126114][ T73] ip6_dst_alloc+0x23/0x90 [ 7644.126114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7644.126114][ T73] ip6_pol_route+0x56f/0x840 [ 7644.126114][ T73] fib6_rule_lookup+0x456/0x630 [ 7644.126114][ T73] ip6_route_input+0x59c/0xa50 [ 7644.126114][ T73] ipv6_rcv+0x397/0x810 [ 7644.126114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7644.126114][ T73] process_backlog+0x101/0x620 [ 7644.126114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7644.126114][ T73] net_rx_action+0x495/0xbe0 [ 7644.126114][ T73] __do_softirq+0x1b5/0x7f6 [ 7644.126114][ T73] [ 7644.127806][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7644.127806][ T73] netdev_get_by_index+0x5e/0x80 [ 7644.127806][ T73] fib6_nh_init+0x3d8/0x1580 [ 7644.127806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7644.127806][ T73] ip6_route_add+0x1c/0x140 [ 7644.127806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7644.127806][ T73] inet6_addr_add+0x4f8/0xa40 [ 7644.127806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.127806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.127806][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.127806][ T73] netlink_unicast+0x449/0x710 [ 7644.127806][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.127806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.127806][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.127806][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.127806][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.127806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.127806][ T73] [ 7644.129800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7644.129800][ T73] netdev_get_by_index+0x5e/0x80 [ 7644.129800][ T73] fib6_nh_init+0x3d8/0x1580 [ 7644.129800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7644.129800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7644.129800][ T73] ipv6_add_addr+0x411/0x2000 [ 7644.129800][ T73] inet6_addr_add+0x30e/0xa40 [ 7644.129800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.129800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.129800][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.129800][ T73] netlink_unicast+0x449/0x710 [ 7644.129800][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.129800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.129800][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.129800][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.129800][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.129800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.129800][ T73] [ 7644.131787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7644.131787][ T73] netdev_get_by_index+0x5e/0x80 [ 7644.131787][ T73] fib6_nh_init+0x3d8/0x1580 [ 7644.131787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7644.131787][ T73] ip6_route_add+0x1c/0x140 [ 7644.131787][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7644.131787][ T73] addrconf_add_dev+0xe2/0x170 [ 7644.131787][ T73] inet6_addr_add+0x12f/0xa40 [ 7644.131787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.131787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.131787][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.131787][ T73] netlink_unicast+0x449/0x710 [ 7644.131787][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.131787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.131787][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.131787][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.131787][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.131787][ T73] [ 7644.133733][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7644.133733][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7644.133733][ T73] ipv6_find_idev+0x102/0x170 [ 7644.133733][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7644.133733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.133733][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.133733][ T73] netlink_unicast+0x449/0x710 [ 7644.133733][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.133733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.133733][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.133733][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.133733][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.133733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.133733][ T73] [ 7644.135260][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7644.135260][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7644.135260][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7644.135260][ T73] ipv6_find_idev+0x102/0x170 [ 7644.135260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7644.135260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.135260][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.135260][ T73] netlink_unicast+0x449/0x710 [ 7644.135260][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.135260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.135260][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.135260][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.135260][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.135260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.135260][ T73] [ 7644.136930][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7644.137173][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7644.137173][ T73] dst_init+0x84/0x4a0 [ 7644.137173][ T73] dst_alloc+0x97/0x150 [ 7644.137173][ T73] ip6_dst_alloc+0x23/0x90 [ 7644.137173][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7644.137173][ T73] ip6_pol_route+0x56f/0x840 [ 7644.137173][ T73] fib6_rule_lookup+0x456/0x630 [ 7644.137173][ T73] ip6_route_input+0x59c/0xa50 [ 7644.137173][ T73] ipv6_rcv+0x397/0x810 [ 7644.137173][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7644.137173][ T73] process_backlog+0x101/0x620 [ 7644.137173][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7644.137173][ T73] net_rx_action+0x495/0xbe0 [ 7644.137173][ T73] __do_softirq+0x1b5/0x7f6 [ 7644.137173][ T73] [ 7644.138804][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7644.138804][ T73] netdev_get_by_index+0x5e/0x80 [ 7644.138804][ T73] fib6_nh_init+0x3d8/0x1580 [ 7644.138804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7644.138804][ T73] ip6_route_add+0x1c/0x140 [ 7644.138804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7644.138804][ T73] inet6_addr_add+0x4f8/0xa40 [ 7644.138804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.138804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.138804][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.138804][ T73] netlink_unicast+0x449/0x710 [ 7644.138804][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.138804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.138804][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.138804][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.138804][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.138804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.138804][ T73] [ 7644.140787][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7644.140787][ T73] netdev_get_by_index+0x5e/0x80 [ 7644.140787][ T73] fib6_nh_init+0x3d8/0x1580 [ 7644.140787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7644.140787][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7644.140787][ T73] ipv6_add_addr+0x411/0x2000 [ 7644.140787][ T73] inet6_addr_add+0x30e/0xa40 [ 7644.140787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.140787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.140787][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.140787][ T73] netlink_unicast+0x449/0x710 [ 7644.140787][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.140787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.140787][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.140787][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.140787][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.140787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.140787][ T73] [ 7644.142770][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7644.142770][ T73] netdev_get_by_index+0x5e/0x80 [ 7644.142770][ T73] fib6_nh_init+0x3d8/0x1580 [ 7644.142770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7644.142770][ T73] ip6_route_add+0x1c/0x140 [ 7644.142770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7644.142770][ T73] addrconf_add_dev+0xe2/0x170 [ 7644.142770][ T73] inet6_addr_add+0x12f/0xa40 [ 7644.142770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7644.142770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.142770][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.142770][ T73] netlink_unicast+0x449/0x710 [ 7644.142770][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.142770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.142770][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.142770][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.142770][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.142770][ T73] [ 7644.144722][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7644.144722][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7644.144722][ T73] ipv6_find_idev+0x102/0x170 [ 7644.144722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7644.144722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.144722][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.144722][ T73] netlink_unicast+0x449/0x710 [ 7644.144722][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.144722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.144722][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.144722][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.144722][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.144722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.144722][ T73] [ 7644.146262][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7644.146262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7644.146262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7644.146262][ T73] ipv6_find_idev+0x102/0x170 [ 7644.146262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7644.146262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7644.146262][ T73] netlink_rcv_skb+0x130/0x360 [ 7644.146262][ T73] netlink_unicast+0x449/0x710 [ 7644.146262][ T73] netlink_sendmsg+0x723/0xbe0 [ 7644.146262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7644.146262][ T73] ___sys_sendmsg+0xee/0x170 [ 7644.146262][ T73] __sys_sendmsg+0xcd/0x170 [ 7644.146262][ T73] do_syscall_64+0xc6/0x1e0 [ 7644.146262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7644.146262][ T73] [ 7645.357799][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7645.358233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7645.358233][ T1076] netdev_get_by_index+0x5e/0x80 [ 7645.358233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7645.358233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7645.358233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7645.358233][ T1076] ipv6_add_addr+0x411/0x2000 [ 7645.358233][ T1076] inet6_addr_add+0x30e/0xa40 [ 7645.358233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7645.358233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.358233][ T1076] netlink_rcv_skb+0x130/0x360 [ 7645.358233][ T1076] netlink_unicast+0x449/0x710 [ 7645.358233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7645.358233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7645.358233][ T1076] ___sys_sendmsg+0xee/0x170 [ 7645.358233][ T1076] __sys_sendmsg+0xcd/0x170 [ 7645.358233][ T1076] do_syscall_64+0xc6/0x1e0 [ 7645.358233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.358233][ T1076] [ 7645.360490][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7645.360490][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7645.360490][ T1076] ipv6_find_idev+0x102/0x170 [ 7645.360490][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7645.360490][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.360490][ T1076] netlink_rcv_skb+0x130/0x360 [ 7645.360490][ T1076] netlink_unicast+0x449/0x710 [ 7645.360490][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7645.360490][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7645.360490][ T1076] ___sys_sendmsg+0xee/0x170 [ 7645.360490][ T1076] __sys_sendmsg+0xcd/0x170 [ 7645.360490][ T1076] do_syscall_64+0xc6/0x1e0 [ 7645.360490][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.360490][ T1076] [ 7645.362231][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7645.362231][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7645.362231][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7645.362231][ T1076] ipv6_find_idev+0x102/0x170 [ 7645.362231][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7645.362231][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7645.362231][ T1076] netlink_rcv_skb+0x130/0x360 [ 7645.362231][ T1076] netlink_unicast+0x449/0x710 [ 7645.362231][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7645.362231][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7645.362231][ T1076] ___sys_sendmsg+0xee/0x170 [ 7645.362231][ T1076] __sys_sendmsg+0xcd/0x170 [ 7645.362231][ T1076] do_syscall_64+0xc6/0x1e0 [ 7645.362231][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7645.362231][ T1076] [ 7654.397744][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7654.398185][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7654.398185][ T73] dst_init+0x84/0x4a0 [ 7654.398185][ T73] dst_alloc+0x97/0x150 [ 7654.398185][ T73] ip6_dst_alloc+0x23/0x90 [ 7654.398185][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7654.398185][ T73] ip6_pol_route+0x56f/0x840 [ 7654.398185][ T73] fib6_rule_lookup+0x456/0x630 [ 7654.398185][ T73] ip6_route_input+0x59c/0xa50 [ 7654.398185][ T73] ipv6_rcv+0x397/0x810 [ 7654.398185][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7654.398185][ T73] process_backlog+0x101/0x620 [ 7654.398185][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7654.398185][ T73] net_rx_action+0x495/0xbe0 [ 7654.398185][ T73] __do_softirq+0x1b5/0x7f6 [ 7654.398185][ T73] [ 7654.399839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7654.399839][ T73] netdev_get_by_index+0x5e/0x80 [ 7654.399839][ T73] fib6_nh_init+0x3d8/0x1580 [ 7654.399839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7654.399839][ T73] ip6_route_add+0x1c/0x140 [ 7654.399839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7654.399839][ T73] inet6_addr_add+0x4f8/0xa40 [ 7654.399839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.399839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.399839][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.399839][ T73] netlink_unicast+0x449/0x710 [ 7654.399839][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.399839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.399839][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.399839][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.399839][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.399839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.399839][ T73] [ 7654.401828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7654.401828][ T73] netdev_get_by_index+0x5e/0x80 [ 7654.401828][ T73] fib6_nh_init+0x3d8/0x1580 [ 7654.401828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7654.401828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7654.401828][ T73] ipv6_add_addr+0x411/0x2000 [ 7654.401828][ T73] inet6_addr_add+0x30e/0xa40 [ 7654.401828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.401828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.401828][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.401828][ T73] netlink_unicast+0x449/0x710 [ 7654.401828][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.401828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.401828][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.401828][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.401828][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.401828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.401828][ T73] [ 7654.403817][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7654.403817][ T73] netdev_get_by_index+0x5e/0x80 [ 7654.403817][ T73] fib6_nh_init+0x3d8/0x1580 [ 7654.403817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7654.403817][ T73] ip6_route_add+0x1c/0x140 [ 7654.403817][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7654.403817][ T73] addrconf_add_dev+0xe2/0x170 [ 7654.403817][ T73] inet6_addr_add+0x12f/0xa40 [ 7654.403817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.403817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.403817][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.403817][ T73] netlink_unicast+0x449/0x710 [ 7654.403817][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.403817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.403817][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.403817][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.403817][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.403817][ T73] [ 7654.405766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7654.405766][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7654.405766][ T73] ipv6_find_idev+0x102/0x170 [ 7654.405766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7654.405766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.405766][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.405766][ T73] netlink_unicast+0x449/0x710 [ 7654.405766][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.405766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.405766][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.405766][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.405766][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.405766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.405766][ T73] [ 7654.407288][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7654.407288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7654.407288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7654.407288][ T73] ipv6_find_idev+0x102/0x170 [ 7654.407288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7654.407288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.407288][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.407288][ T73] netlink_unicast+0x449/0x710 [ 7654.407288][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.407288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.407288][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.407288][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.407288][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.407288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.407288][ T73] [ 7654.408966][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7654.409204][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7654.409204][ T73] dst_init+0x84/0x4a0 [ 7654.409204][ T73] dst_alloc+0x97/0x150 [ 7654.409204][ T73] ip6_dst_alloc+0x23/0x90 [ 7654.409204][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7654.409204][ T73] ip6_pol_route+0x56f/0x840 [ 7654.409204][ T73] fib6_rule_lookup+0x456/0x630 [ 7654.409204][ T73] ip6_route_input+0x59c/0xa50 [ 7654.409204][ T73] ipv6_rcv+0x397/0x810 [ 7654.409204][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7654.409204][ T73] process_backlog+0x101/0x620 [ 7654.409204][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7654.409204][ T73] net_rx_action+0x495/0xbe0 [ 7654.409204][ T73] __do_softirq+0x1b5/0x7f6 [ 7654.409204][ T73] [ 7654.410835][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7654.410835][ T73] netdev_get_by_index+0x5e/0x80 [ 7654.410835][ T73] fib6_nh_init+0x3d8/0x1580 [ 7654.410835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7654.410835][ T73] ip6_route_add+0x1c/0x140 [ 7654.410835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7654.410835][ T73] inet6_addr_add+0x4f8/0xa40 [ 7654.410835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.410835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.410835][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.410835][ T73] netlink_unicast+0x449/0x710 [ 7654.410835][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.410835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.410835][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.410835][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.410835][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.410835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.410835][ T73] [ 7654.412817][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7654.412817][ T73] netdev_get_by_index+0x5e/0x80 [ 7654.412817][ T73] fib6_nh_init+0x3d8/0x1580 [ 7654.412817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7654.412817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7654.412817][ T73] ipv6_add_addr+0x411/0x2000 [ 7654.412817][ T73] inet6_addr_add+0x30e/0xa40 [ 7654.412817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.412817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.412817][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.412817][ T73] netlink_unicast+0x449/0x710 [ 7654.412817][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.412817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.412817][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.412817][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.412817][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.412817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.412817][ T73] [ 7654.414799][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7654.414799][ T73] netdev_get_by_index+0x5e/0x80 [ 7654.414799][ T73] fib6_nh_init+0x3d8/0x1580 [ 7654.414799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7654.414799][ T73] ip6_route_add+0x1c/0x140 [ 7654.414799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7654.414799][ T73] addrconf_add_dev+0xe2/0x170 [ 7654.414799][ T73] inet6_addr_add+0x12f/0xa40 [ 7654.414799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7654.414799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.414799][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.414799][ T73] netlink_unicast+0x449/0x710 [ 7654.414799][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.414799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.414799][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.414799][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.414799][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.414799][ T73] [ 7654.416747][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7654.416747][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7654.416747][ T73] ipv6_find_idev+0x102/0x170 [ 7654.416747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7654.416747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.416747][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.416747][ T73] netlink_unicast+0x449/0x710 [ 7654.416747][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.416747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.416747][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.416747][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.416747][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.416747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.416747][ T73] [ 7654.418275][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7654.418275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7654.418275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7654.418275][ T73] ipv6_find_idev+0x102/0x170 [ 7654.418275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7654.418275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7654.418275][ T73] netlink_rcv_skb+0x130/0x360 [ 7654.418275][ T73] netlink_unicast+0x449/0x710 [ 7654.418275][ T73] netlink_sendmsg+0x723/0xbe0 [ 7654.418275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7654.418275][ T73] ___sys_sendmsg+0xee/0x170 [ 7654.418275][ T73] __sys_sendmsg+0xcd/0x170 [ 7654.418275][ T73] do_syscall_64+0xc6/0x1e0 [ 7654.418275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7654.418275][ T73] [ 7655.605785][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7655.606296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7655.606296][ T1076] netdev_get_by_index+0x5e/0x80 [ 7655.606296][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7655.606296][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7655.606296][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7655.606296][ T1076] ipv6_add_addr+0x411/0x2000 [ 7655.606296][ T1076] inet6_addr_add+0x30e/0xa40 [ 7655.606296][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7655.606296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.606296][ T1076] netlink_rcv_skb+0x130/0x360 [ 7655.606296][ T1076] netlink_unicast+0x449/0x710 [ 7655.606296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7655.606296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7655.606296][ T1076] ___sys_sendmsg+0xee/0x170 [ 7655.606296][ T1076] __sys_sendmsg+0xcd/0x170 [ 7655.606296][ T1076] do_syscall_64+0xc6/0x1e0 [ 7655.606296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.606296][ T1076] [ 7655.608590][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7655.608590][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7655.608590][ T1076] ipv6_find_idev+0x102/0x170 [ 7655.608590][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7655.608590][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.608590][ T1076] netlink_rcv_skb+0x130/0x360 [ 7655.608590][ T1076] netlink_unicast+0x449/0x710 [ 7655.608590][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7655.608590][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7655.608590][ T1076] ___sys_sendmsg+0xee/0x170 [ 7655.608590][ T1076] __sys_sendmsg+0xcd/0x170 [ 7655.608590][ T1076] do_syscall_64+0xc6/0x1e0 [ 7655.608590][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.608590][ T1076] [ 7655.610326][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7655.610326][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7655.610326][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7655.610326][ T1076] ipv6_find_idev+0x102/0x170 [ 7655.610326][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7655.610326][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7655.610326][ T1076] netlink_rcv_skb+0x130/0x360 [ 7655.610326][ T1076] netlink_unicast+0x449/0x710 [ 7655.610326][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7655.610326][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7655.610326][ T1076] ___sys_sendmsg+0xee/0x170 [ 7655.610326][ T1076] __sys_sendmsg+0xcd/0x170 [ 7655.610326][ T1076] do_syscall_64+0xc6/0x1e0 [ 7655.610326][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7655.610326][ T1076] [ 7664.669710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7664.670181][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7664.670181][ T73] dst_init+0x84/0x4a0 [ 7664.670181][ T73] dst_alloc+0x97/0x150 [ 7664.670181][ T73] ip6_dst_alloc+0x23/0x90 [ 7664.670181][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7664.670181][ T73] ip6_pol_route+0x56f/0x840 [ 7664.670181][ T73] fib6_rule_lookup+0x456/0x630 [ 7664.670181][ T73] ip6_route_input+0x59c/0xa50 [ 7664.670181][ T73] ipv6_rcv+0x397/0x810 [ 7664.670181][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7664.670181][ T73] process_backlog+0x101/0x620 [ 7664.670181][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7664.670181][ T73] net_rx_action+0x495/0xbe0 [ 7664.670181][ T73] __do_softirq+0x1b5/0x7f6 [ 7664.670181][ T73] [ 7664.671859][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7664.671859][ T73] netdev_get_by_index+0x5e/0x80 [ 7664.671859][ T73] fib6_nh_init+0x3d8/0x1580 [ 7664.671859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7664.671859][ T73] ip6_route_add+0x1c/0x140 [ 7664.671859][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7664.671859][ T73] inet6_addr_add+0x4f8/0xa40 [ 7664.671859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.671859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.671859][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.671859][ T73] netlink_unicast+0x449/0x710 [ 7664.671859][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.671859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.671859][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.671859][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.671859][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.671859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.671859][ T73] [ 7664.673864][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7664.673864][ T73] netdev_get_by_index+0x5e/0x80 [ 7664.673864][ T73] fib6_nh_init+0x3d8/0x1580 [ 7664.673864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7664.673864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7664.673864][ T73] ipv6_add_addr+0x411/0x2000 [ 7664.673864][ T73] inet6_addr_add+0x30e/0xa40 [ 7664.673864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.673864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.673864][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.673864][ T73] netlink_unicast+0x449/0x710 [ 7664.673864][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.673864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.673864][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.673864][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.673864][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.673864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.673864][ T73] [ 7664.675863][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7664.675863][ T73] netdev_get_by_index+0x5e/0x80 [ 7664.675863][ T73] fib6_nh_init+0x3d8/0x1580 [ 7664.675863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7664.675863][ T73] ip6_route_add+0x1c/0x140 [ 7664.675863][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7664.675863][ T73] addrconf_add_dev+0xe2/0x170 [ 7664.675863][ T73] inet6_addr_add+0x12f/0xa40 [ 7664.675863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.675863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.675863][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.675863][ T73] netlink_unicast+0x449/0x710 [ 7664.675863][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.675863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.675863][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.675863][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.675863][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.675863][ T73] [ 7664.677823][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7664.677823][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7664.677823][ T73] ipv6_find_idev+0x102/0x170 [ 7664.677823][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7664.677823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.677823][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.677823][ T73] netlink_unicast+0x449/0x710 [ 7664.677823][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.677823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.677823][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.677823][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.677823][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.677823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.677823][ T73] [ 7664.679359][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7664.679359][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7664.679359][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7664.679359][ T73] ipv6_find_idev+0x102/0x170 [ 7664.679359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7664.679359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.679359][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.679359][ T73] netlink_unicast+0x449/0x710 [ 7664.679359][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.679359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.679359][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.679359][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.679359][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.679359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.679359][ T73] [ 7664.681053][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7664.681294][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7664.681294][ T73] dst_init+0x84/0x4a0 [ 7664.681294][ T73] dst_alloc+0x97/0x150 [ 7664.681294][ T73] ip6_dst_alloc+0x23/0x90 [ 7664.681294][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7664.681294][ T73] ip6_pol_route+0x56f/0x840 [ 7664.681294][ T73] fib6_rule_lookup+0x456/0x630 [ 7664.681294][ T73] ip6_route_input+0x59c/0xa50 [ 7664.681294][ T73] ipv6_rcv+0x397/0x810 [ 7664.681294][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7664.681294][ T73] process_backlog+0x101/0x620 [ 7664.681294][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7664.681294][ T73] net_rx_action+0x495/0xbe0 [ 7664.681294][ T73] __do_softirq+0x1b5/0x7f6 [ 7664.681294][ T73] [ 7664.682920][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7664.682920][ T73] netdev_get_by_index+0x5e/0x80 [ 7664.682920][ T73] fib6_nh_init+0x3d8/0x1580 [ 7664.682920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7664.682920][ T73] ip6_route_add+0x1c/0x140 [ 7664.682920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7664.682920][ T73] inet6_addr_add+0x4f8/0xa40 [ 7664.682920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.682920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.682920][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.682920][ T73] netlink_unicast+0x449/0x710 [ 7664.682920][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.682920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.682920][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.682920][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.682920][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.682920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.682920][ T73] [ 7664.684905][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7664.684905][ T73] netdev_get_by_index+0x5e/0x80 [ 7664.684905][ T73] fib6_nh_init+0x3d8/0x1580 [ 7664.684905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7664.684905][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7664.684905][ T73] ipv6_add_addr+0x411/0x2000 [ 7664.684905][ T73] inet6_addr_add+0x30e/0xa40 [ 7664.684905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.684905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.684905][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.684905][ T73] netlink_unicast+0x449/0x710 [ 7664.684905][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.684905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.684905][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.684905][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.684905][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.684905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.684905][ T73] [ 7664.686885][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7664.686885][ T73] netdev_get_by_index+0x5e/0x80 [ 7664.686885][ T73] fib6_nh_init+0x3d8/0x1580 [ 7664.686885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7664.686885][ T73] ip6_route_add+0x1c/0x140 [ 7664.686885][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7664.686885][ T73] addrconf_add_dev+0xe2/0x170 [ 7664.686885][ T73] inet6_addr_add+0x12f/0xa40 [ 7664.686885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7664.686885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.686885][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.686885][ T73] netlink_unicast+0x449/0x710 [ 7664.686885][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.686885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.686885][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.686885][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.686885][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.686885][ T73] [ 7664.688842][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7664.688842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7664.688842][ T73] ipv6_find_idev+0x102/0x170 [ 7664.688842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7664.688842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.688842][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.688842][ T73] netlink_unicast+0x449/0x710 [ 7664.688842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.688842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.688842][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.688842][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.688842][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.688842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.688842][ T73] [ 7664.690370][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7664.690370][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7664.690370][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7664.690370][ T73] ipv6_find_idev+0x102/0x170 [ 7664.690370][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7664.690370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7664.690370][ T73] netlink_rcv_skb+0x130/0x360 [ 7664.690370][ T73] netlink_unicast+0x449/0x710 [ 7664.690370][ T73] netlink_sendmsg+0x723/0xbe0 [ 7664.690370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7664.690370][ T73] ___sys_sendmsg+0xee/0x170 [ 7664.690370][ T73] __sys_sendmsg+0xcd/0x170 [ 7664.690370][ T73] do_syscall_64+0xc6/0x1e0 [ 7664.690370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7664.690370][ T73] [ 7665.853647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7665.854152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7665.854152][ T1076] netdev_get_by_index+0x5e/0x80 [ 7665.854152][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7665.854152][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7665.854152][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7665.854152][ T1076] ipv6_add_addr+0x411/0x2000 [ 7665.854152][ T1076] inet6_addr_add+0x30e/0xa40 [ 7665.854152][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7665.854152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.854152][ T1076] netlink_rcv_skb+0x130/0x360 [ 7665.854152][ T1076] netlink_unicast+0x449/0x710 [ 7665.854152][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7665.854152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7665.854152][ T1076] ___sys_sendmsg+0xee/0x170 [ 7665.854152][ T1076] __sys_sendmsg+0xcd/0x170 [ 7665.854152][ T1076] do_syscall_64+0xc6/0x1e0 [ 7665.854152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.854152][ T1076] [ 7665.856421][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7665.856421][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7665.856421][ T1076] ipv6_find_idev+0x102/0x170 [ 7665.856421][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7665.856421][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.856421][ T1076] netlink_rcv_skb+0x130/0x360 [ 7665.856421][ T1076] netlink_unicast+0x449/0x710 [ 7665.856421][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7665.856421][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7665.856421][ T1076] ___sys_sendmsg+0xee/0x170 [ 7665.856421][ T1076] __sys_sendmsg+0xcd/0x170 [ 7665.856421][ T1076] do_syscall_64+0xc6/0x1e0 [ 7665.856421][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.856421][ T1076] [ 7665.858168][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7665.858168][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7665.858168][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7665.858168][ T1076] ipv6_find_idev+0x102/0x170 [ 7665.858168][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7665.858168][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7665.858168][ T1076] netlink_rcv_skb+0x130/0x360 [ 7665.858168][ T1076] netlink_unicast+0x449/0x710 [ 7665.858168][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7665.858168][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7665.858168][ T1076] ___sys_sendmsg+0xee/0x170 [ 7665.858168][ T1076] __sys_sendmsg+0xcd/0x170 [ 7665.858168][ T1076] do_syscall_64+0xc6/0x1e0 [ 7665.858168][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7665.858168][ T1076] [ 7674.941715][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7674.942164][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7674.942164][ T73] dst_init+0x84/0x4a0 [ 7674.942164][ T73] dst_alloc+0x97/0x150 [ 7674.942164][ T73] ip6_dst_alloc+0x23/0x90 [ 7674.942164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7674.942164][ T73] ip6_pol_route+0x56f/0x840 [ 7674.942164][ T73] fib6_rule_lookup+0x456/0x630 [ 7674.942164][ T73] ip6_route_input+0x59c/0xa50 [ 7674.942164][ T73] ipv6_rcv+0x397/0x810 [ 7674.942164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7674.942164][ T73] process_backlog+0x101/0x620 [ 7674.942164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7674.942164][ T73] net_rx_action+0x495/0xbe0 [ 7674.942164][ T73] __do_softirq+0x1b5/0x7f6 [ 7674.942164][ T73] [ 7674.943821][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7674.943821][ T73] netdev_get_by_index+0x5e/0x80 [ 7674.943821][ T73] fib6_nh_init+0x3d8/0x1580 [ 7674.943821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7674.943821][ T73] ip6_route_add+0x1c/0x140 [ 7674.943821][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7674.943821][ T73] inet6_addr_add+0x4f8/0xa40 [ 7674.943821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7674.943821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.943821][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.943821][ T73] netlink_unicast+0x449/0x710 [ 7674.943821][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.943821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.943821][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.943821][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.943821][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.943821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.943821][ T73] [ 7674.945832][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7674.945832][ T73] netdev_get_by_index+0x5e/0x80 [ 7674.945832][ T73] fib6_nh_init+0x3d8/0x1580 [ 7674.945832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7674.945832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7674.945832][ T73] ipv6_add_addr+0x411/0x2000 [ 7674.945832][ T73] inet6_addr_add+0x30e/0xa40 [ 7674.945832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7674.945832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.945832][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.945832][ T73] netlink_unicast+0x449/0x710 [ 7674.945832][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.945832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.945832][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.945832][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.945832][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.945832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.945832][ T73] [ 7674.947834][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7674.947834][ T73] netdev_get_by_index+0x5e/0x80 [ 7674.947834][ T73] fib6_nh_init+0x3d8/0x1580 [ 7674.947834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7674.947834][ T73] ip6_route_add+0x1c/0x140 [ 7674.947834][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7674.947834][ T73] addrconf_add_dev+0xe2/0x170 [ 7674.947834][ T73] inet6_addr_add+0x12f/0xa40 [ 7674.947834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7674.947834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.947834][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.947834][ T73] netlink_unicast+0x449/0x710 [ 7674.947834][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.947834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.947834][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.947834][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.947834][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.947834][ T73] [ 7674.949806][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7674.949806][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7674.949806][ T73] ipv6_find_idev+0x102/0x170 [ 7674.949806][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7674.949806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.949806][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.949806][ T73] netlink_unicast+0x449/0x710 [ 7674.949806][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.949806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.949806][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.949806][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.949806][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.949806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.949806][ T73] [ 7674.951343][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7674.951343][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7674.951343][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7674.951343][ T73] ipv6_find_idev+0x102/0x170 [ 7674.951343][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7674.951343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.951343][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.951343][ T73] netlink_unicast+0x449/0x710 [ 7674.951343][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.951343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.951343][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.951343][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.951343][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.951343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.951343][ T73] [ 7674.953026][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7674.953269][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7674.953269][ T73] dst_init+0x84/0x4a0 [ 7674.953269][ T73] dst_alloc+0x97/0x150 [ 7674.953269][ T73] ip6_dst_alloc+0x23/0x90 [ 7674.953269][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7674.953269][ T73] ip6_pol_route+0x56f/0x840 [ 7674.953269][ T73] fib6_rule_lookup+0x456/0x630 [ 7674.953269][ T73] ip6_route_input+0x59c/0xa50 [ 7674.953269][ T73] ipv6_rcv+0x397/0x810 [ 7674.953269][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7674.953269][ T73] process_backlog+0x101/0x620 [ 7674.953269][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7674.953269][ T73] net_rx_action+0x495/0xbe0 [ 7674.953269][ T73] __do_softirq+0x1b5/0x7f6 [ 7674.953269][ T73] [ 7674.954901][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7674.954901][ T73] netdev_get_by_index+0x5e/0x80 [ 7674.954901][ T73] fib6_nh_init+0x3d8/0x1580 [ 7674.954901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7674.954901][ T73] ip6_route_add+0x1c/0x140 [ 7674.954901][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7674.954901][ T73] inet6_addr_add+0x4f8/0xa40 [ 7674.954901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7674.954901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.954901][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.954901][ T73] netlink_unicast+0x449/0x710 [ 7674.954901][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.954901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.954901][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.954901][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.954901][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.954901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.954901][ T73] [ 7674.956892][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7674.956892][ T73] netdev_get_by_index+0x5e/0x80 [ 7674.956892][ T73] fib6_nh_init+0x3d8/0x1580 [ 7674.956892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7674.956892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7674.956892][ T73] ipv6_add_addr+0x411/0x2000 [ 7674.956892][ T73] inet6_addr_add+0x30e/0xa40 [ 7674.956892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7674.956892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.956892][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.956892][ T73] netlink_unicast+0x449/0x710 [ 7674.956892][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.956892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.956892][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.956892][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.956892][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.956892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.956892][ T73] [ 7674.958898][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7674.958898][ T73] netdev_get_by_index+0x5e/0x80 [ 7674.958898][ T73] fib6_nh_init+0x3d8/0x1580 [ 7674.958898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7674.958898][ T73] ip6_route_add+0x1c/0x140 [ 7674.958898][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7674.958898][ T73] addrconf_add_dev+0xe2/0x170 [ 7674.958898][ T73] inet6_addr_add+0x12f/0xa40 [ 7674.958898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7674.958898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.958898][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.958898][ T73] netlink_unicast+0x449/0x710 [ 7674.958898][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.958898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.958898][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.958898][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.958898][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.958898][ T73] [ 7674.960843][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7674.960843][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7674.960843][ T73] ipv6_find_idev+0x102/0x170 [ 7674.960843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7674.960843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.960843][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.960843][ T73] netlink_unicast+0x449/0x710 [ 7674.960843][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.960843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.960843][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.960843][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.960843][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.960843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.960843][ T73] [ 7674.962370][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7674.962370][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7674.962370][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7674.962370][ T73] ipv6_find_idev+0x102/0x170 [ 7674.962370][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7674.962370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7674.962370][ T73] netlink_rcv_skb+0x130/0x360 [ 7674.962370][ T73] netlink_unicast+0x449/0x710 [ 7674.962370][ T73] netlink_sendmsg+0x723/0xbe0 [ 7674.962370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7674.962370][ T73] ___sys_sendmsg+0xee/0x170 [ 7674.962370][ T73] __sys_sendmsg+0xcd/0x170 [ 7674.962370][ T73] do_syscall_64+0xc6/0x1e0 [ 7674.962370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7674.962370][ T73] [ 7676.101738][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7676.102238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7676.102238][ T1076] netdev_get_by_index+0x5e/0x80 [ 7676.102238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7676.102238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7676.102238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7676.102238][ T1076] ipv6_add_addr+0x411/0x2000 [ 7676.102238][ T1076] inet6_addr_add+0x30e/0xa40 [ 7676.102238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7676.102238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7676.102238][ T1076] netlink_rcv_skb+0x130/0x360 [ 7676.102238][ T1076] netlink_unicast+0x449/0x710 [ 7676.102238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7676.102238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7676.102238][ T1076] ___sys_sendmsg+0xee/0x170 [ 7676.102238][ T1076] __sys_sendmsg+0xcd/0x170 [ 7676.102238][ T1076] do_syscall_64+0xc6/0x1e0 [ 7676.102238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7676.102238][ T1076] [ 7676.104505][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7676.104505][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7676.104505][ T1076] ipv6_find_idev+0x102/0x170 [ 7676.104505][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7676.104505][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7676.104505][ T1076] netlink_rcv_skb+0x130/0x360 [ 7676.104505][ T1076] netlink_unicast+0x449/0x710 [ 7676.104505][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7676.104505][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7676.104505][ T1076] ___sys_sendmsg+0xee/0x170 [ 7676.104505][ T1076] __sys_sendmsg+0xcd/0x170 [ 7676.104505][ T1076] do_syscall_64+0xc6/0x1e0 [ 7676.104505][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7676.104505][ T1076] [ 7676.106230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7676.106230][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7676.106230][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7676.106230][ T1076] ipv6_find_idev+0x102/0x170 [ 7676.106230][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7676.106230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7676.106230][ T1076] netlink_rcv_skb+0x130/0x360 [ 7676.106230][ T1076] netlink_unicast+0x449/0x710 [ 7676.106230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7676.106230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7676.106230][ T1076] ___sys_sendmsg+0xee/0x170 [ 7676.106230][ T1076] __sys_sendmsg+0xcd/0x170 [ 7676.106230][ T1076] do_syscall_64+0xc6/0x1e0 [ 7676.106230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7676.106230][ T1076] [ 7685.213740][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7685.214100][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7685.214100][ T73] dst_init+0x84/0x4a0 [ 7685.214100][ T73] dst_alloc+0x97/0x150 [ 7685.214100][ T73] ip6_dst_alloc+0x23/0x90 [ 7685.214100][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7685.214100][ T73] ip6_pol_route+0x56f/0x840 [ 7685.214100][ T73] fib6_rule_lookup+0x456/0x630 [ 7685.214100][ T73] ip6_route_input+0x59c/0xa50 [ 7685.214100][ T73] ipv6_rcv+0x397/0x810 [ 7685.214100][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7685.214100][ T73] process_backlog+0x101/0x620 [ 7685.214100][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7685.214100][ T73] net_rx_action+0x495/0xbe0 [ 7685.214100][ T73] __do_softirq+0x1b5/0x7f6 [ 7685.214100][ T73] [ 7685.215761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7685.215761][ T73] netdev_get_by_index+0x5e/0x80 [ 7685.215761][ T73] fib6_nh_init+0x3d8/0x1580 [ 7685.215761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7685.215761][ T73] ip6_route_add+0x1c/0x140 [ 7685.215761][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7685.215761][ T73] inet6_addr_add+0x4f8/0xa40 [ 7685.215761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.215761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.215761][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.215761][ T73] netlink_unicast+0x449/0x710 [ 7685.215761][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.215761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.215761][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.215761][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.215761][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.215761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.215761][ T73] [ 7685.217788][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7685.217788][ T73] netdev_get_by_index+0x5e/0x80 [ 7685.217788][ T73] fib6_nh_init+0x3d8/0x1580 [ 7685.217788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7685.217788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7685.217788][ T73] ipv6_add_addr+0x411/0x2000 [ 7685.217788][ T73] inet6_addr_add+0x30e/0xa40 [ 7685.217788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.217788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.217788][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.217788][ T73] netlink_unicast+0x449/0x710 [ 7685.217788][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.217788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.217788][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.217788][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.217788][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.217788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.217788][ T73] [ 7685.219794][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7685.219794][ T73] netdev_get_by_index+0x5e/0x80 [ 7685.219794][ T73] fib6_nh_init+0x3d8/0x1580 [ 7685.219794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7685.219794][ T73] ip6_route_add+0x1c/0x140 [ 7685.219794][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7685.219794][ T73] addrconf_add_dev+0xe2/0x170 [ 7685.219794][ T73] inet6_addr_add+0x12f/0xa40 [ 7685.219794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.219794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.219794][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.219794][ T73] netlink_unicast+0x449/0x710 [ 7685.219794][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.219794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.219794][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.219794][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.219794][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.219794][ T73] [ 7685.221753][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7685.221753][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7685.221753][ T73] ipv6_find_idev+0x102/0x170 [ 7685.221753][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.221753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.221753][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.221753][ T73] netlink_unicast+0x449/0x710 [ 7685.221753][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.221753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.221753][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.221753][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.221753][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.221753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.221753][ T73] [ 7685.223279][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7685.223279][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7685.223279][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7685.223279][ T73] ipv6_find_idev+0x102/0x170 [ 7685.223279][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.223279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.223279][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.223279][ T73] netlink_unicast+0x449/0x710 [ 7685.223279][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.223279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.223279][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.223279][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.223279][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.223279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.223279][ T73] [ 7685.224951][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7685.225199][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7685.225199][ T73] dst_init+0x84/0x4a0 [ 7685.225199][ T73] dst_alloc+0x97/0x150 [ 7685.225199][ T73] ip6_dst_alloc+0x23/0x90 [ 7685.225199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7685.225199][ T73] ip6_pol_route+0x56f/0x840 [ 7685.225199][ T73] fib6_rule_lookup+0x456/0x630 [ 7685.225199][ T73] ip6_route_input+0x59c/0xa50 [ 7685.225199][ T73] ipv6_rcv+0x397/0x810 [ 7685.225199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7685.225199][ T73] process_backlog+0x101/0x620 [ 7685.225199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7685.225199][ T73] net_rx_action+0x495/0xbe0 [ 7685.225199][ T73] __do_softirq+0x1b5/0x7f6 [ 7685.225199][ T73] [ 7685.226838][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7685.226838][ T73] netdev_get_by_index+0x5e/0x80 [ 7685.226838][ T73] fib6_nh_init+0x3d8/0x1580 [ 7685.226838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7685.226838][ T73] ip6_route_add+0x1c/0x140 [ 7685.226838][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7685.226838][ T73] inet6_addr_add+0x4f8/0xa40 [ 7685.226838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.226838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.226838][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.226838][ T73] netlink_unicast+0x449/0x710 [ 7685.226838][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.226838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.226838][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.226838][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.226838][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.226838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.226838][ T73] [ 7685.228842][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7685.228842][ T73] netdev_get_by_index+0x5e/0x80 [ 7685.228842][ T73] fib6_nh_init+0x3d8/0x1580 [ 7685.228842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7685.228842][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7685.228842][ T73] ipv6_add_addr+0x411/0x2000 [ 7685.228842][ T73] inet6_addr_add+0x30e/0xa40 [ 7685.228842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.228842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.228842][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.228842][ T73] netlink_unicast+0x449/0x710 [ 7685.228842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.228842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.228842][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.228842][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.228842][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.228842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.228842][ T73] [ 7685.230835][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7685.230835][ T73] netdev_get_by_index+0x5e/0x80 [ 7685.230835][ T73] fib6_nh_init+0x3d8/0x1580 [ 7685.230835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7685.230835][ T73] ip6_route_add+0x1c/0x140 [ 7685.230835][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7685.230835][ T73] addrconf_add_dev+0xe2/0x170 [ 7685.230835][ T73] inet6_addr_add+0x12f/0xa40 [ 7685.230835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7685.230835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.230835][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.230835][ T73] netlink_unicast+0x449/0x710 [ 7685.230835][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.230835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.230835][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.230835][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.230835][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.230835][ T73] [ 7685.232784][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7685.232784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7685.232784][ T73] ipv6_find_idev+0x102/0x170 [ 7685.232784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.232784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.232784][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.232784][ T73] netlink_unicast+0x449/0x710 [ 7685.232784][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.232784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.232784][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.232784][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.232784][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.232784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.232784][ T73] [ 7685.234313][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7685.234313][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7685.234313][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7685.234313][ T73] ipv6_find_idev+0x102/0x170 [ 7685.234313][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7685.234313][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7685.234313][ T73] netlink_rcv_skb+0x130/0x360 [ 7685.234313][ T73] netlink_unicast+0x449/0x710 [ 7685.234313][ T73] netlink_sendmsg+0x723/0xbe0 [ 7685.234313][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7685.234313][ T73] ___sys_sendmsg+0xee/0x170 [ 7685.234313][ T73] __sys_sendmsg+0xcd/0x170 [ 7685.234313][ T73] do_syscall_64+0xc6/0x1e0 [ 7685.234313][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7685.234313][ T73] [ 7686.349706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7686.350136][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7686.350136][ T1076] netdev_get_by_index+0x5e/0x80 [ 7686.350136][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7686.350136][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7686.350136][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7686.350136][ T1076] ipv6_add_addr+0x411/0x2000 [ 7686.350136][ T1076] inet6_addr_add+0x30e/0xa40 [ 7686.350136][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7686.350136][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7686.350136][ T1076] netlink_rcv_skb+0x130/0x360 [ 7686.350136][ T1076] netlink_unicast+0x449/0x710 [ 7686.350136][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7686.350136][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7686.350136][ T1076] ___sys_sendmsg+0xee/0x170 [ 7686.350136][ T1076] __sys_sendmsg+0xcd/0x170 [ 7686.350136][ T1076] do_syscall_64+0xc6/0x1e0 [ 7686.350136][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7686.350136][ T1076] [ 7686.352404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7686.352404][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7686.352404][ T1076] ipv6_find_idev+0x102/0x170 [ 7686.352404][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7686.352404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7686.352404][ T1076] netlink_rcv_skb+0x130/0x360 [ 7686.352404][ T1076] netlink_unicast+0x449/0x710 [ 7686.352404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7686.352404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7686.352404][ T1076] ___sys_sendmsg+0xee/0x170 [ 7686.352404][ T1076] __sys_sendmsg+0xcd/0x170 [ 7686.352404][ T1076] do_syscall_64+0xc6/0x1e0 [ 7686.352404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7686.352404][ T1076] [ 7686.354144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7686.354144][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7686.354144][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7686.354144][ T1076] ipv6_find_idev+0x102/0x170 [ 7686.354144][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7686.354144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7686.354144][ T1076] netlink_rcv_skb+0x130/0x360 [ 7686.354144][ T1076] netlink_unicast+0x449/0x710 [ 7686.354144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7686.354144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7686.354144][ T1076] ___sys_sendmsg+0xee/0x170 [ 7686.354144][ T1076] __sys_sendmsg+0xcd/0x170 [ 7686.354144][ T1076] do_syscall_64+0xc6/0x1e0 [ 7686.354144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7686.354144][ T1076] [ 7695.261742][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7695.262169][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7695.262169][ T73] dst_init+0x84/0x4a0 [ 7695.262169][ T73] dst_alloc+0x97/0x150 [ 7695.262169][ T73] ip6_dst_alloc+0x23/0x90 [ 7695.262169][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7695.262169][ T73] ip6_pol_route+0x56f/0x840 [ 7695.262169][ T73] fib6_rule_lookup+0x456/0x630 [ 7695.262169][ T73] ip6_route_input+0x59c/0xa50 [ 7695.262169][ T73] ipv6_rcv+0x397/0x810 [ 7695.262169][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7695.262169][ T73] process_backlog+0x101/0x620 [ 7695.262169][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7695.262169][ T73] net_rx_action+0x495/0xbe0 [ 7695.262169][ T73] __do_softirq+0x1b5/0x7f6 [ 7695.262169][ T73] [ 7695.263843][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7695.263843][ T73] netdev_get_by_index+0x5e/0x80 [ 7695.263843][ T73] fib6_nh_init+0x3d8/0x1580 [ 7695.263843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7695.263843][ T73] ip6_route_add+0x1c/0x140 [ 7695.263843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7695.263843][ T73] inet6_addr_add+0x4f8/0xa40 [ 7695.263843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.263843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.263843][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.263843][ T73] netlink_unicast+0x449/0x710 [ 7695.263843][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.263843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.263843][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.263843][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.263843][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.263843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.263843][ T73] [ 7695.265864][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7695.265864][ T73] netdev_get_by_index+0x5e/0x80 [ 7695.265864][ T73] fib6_nh_init+0x3d8/0x1580 [ 7695.265864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7695.265864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7695.265864][ T73] ipv6_add_addr+0x411/0x2000 [ 7695.265864][ T73] inet6_addr_add+0x30e/0xa40 [ 7695.265864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.265864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.265864][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.265864][ T73] netlink_unicast+0x449/0x710 [ 7695.265864][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.265864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.265864][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.265864][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.265864][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.265864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.265864][ T73] [ 7695.267916][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7695.267916][ T73] netdev_get_by_index+0x5e/0x80 [ 7695.267916][ T73] fib6_nh_init+0x3d8/0x1580 [ 7695.267916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7695.267916][ T73] ip6_route_add+0x1c/0x140 [ 7695.267916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7695.267916][ T73] addrconf_add_dev+0xe2/0x170 [ 7695.267916][ T73] inet6_addr_add+0x12f/0xa40 [ 7695.267916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.267916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.267916][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.267916][ T73] netlink_unicast+0x449/0x710 [ 7695.267916][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.267916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.267916][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.267916][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.267916][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.267916][ T73] [ 7695.269860][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7695.269860][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7695.269860][ T73] ipv6_find_idev+0x102/0x170 [ 7695.269860][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.269860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.269860][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.269860][ T73] netlink_unicast+0x449/0x710 [ 7695.269860][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.269860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.269860][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.269860][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.269860][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.269860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.269860][ T73] [ 7695.271383][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7695.271383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7695.271383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7695.271383][ T73] ipv6_find_idev+0x102/0x170 [ 7695.271383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.271383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.271383][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.271383][ T73] netlink_unicast+0x449/0x710 [ 7695.271383][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.271383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.271383][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.271383][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.271383][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.271383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.271383][ T73] [ 7695.273065][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7695.273325][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7695.273325][ T73] dst_init+0x84/0x4a0 [ 7695.273325][ T73] dst_alloc+0x97/0x150 [ 7695.273325][ T73] ip6_dst_alloc+0x23/0x90 [ 7695.273325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7695.273325][ T73] ip6_pol_route+0x56f/0x840 [ 7695.273325][ T73] fib6_rule_lookup+0x456/0x630 [ 7695.273325][ T73] ip6_route_input+0x59c/0xa50 [ 7695.273325][ T73] ipv6_rcv+0x397/0x810 [ 7695.273325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7695.273325][ T73] process_backlog+0x101/0x620 [ 7695.273325][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7695.273325][ T73] net_rx_action+0x495/0xbe0 [ 7695.273325][ T73] __do_softirq+0x1b5/0x7f6 [ 7695.273325][ T73] [ 7695.274963][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7695.274963][ T73] netdev_get_by_index+0x5e/0x80 [ 7695.274963][ T73] fib6_nh_init+0x3d8/0x1580 [ 7695.274963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7695.274963][ T73] ip6_route_add+0x1c/0x140 [ 7695.274963][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7695.274963][ T73] inet6_addr_add+0x4f8/0xa40 [ 7695.274963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.274963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.274963][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.274963][ T73] netlink_unicast+0x449/0x710 [ 7695.274963][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.274963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.274963][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.274963][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.274963][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.274963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.274963][ T73] [ 7695.276963][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7695.276963][ T73] netdev_get_by_index+0x5e/0x80 [ 7695.276963][ T73] fib6_nh_init+0x3d8/0x1580 [ 7695.276963][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7695.276963][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7695.276963][ T73] ipv6_add_addr+0x411/0x2000 [ 7695.276963][ T73] inet6_addr_add+0x30e/0xa40 [ 7695.276963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.276963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.276963][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.276963][ T73] netlink_unicast+0x449/0x710 [ 7695.276963][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.276963][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.276963][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.276963][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.276963][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.276963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.276963][ T73] [ 7695.278962][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7695.278962][ T73] netdev_get_by_index+0x5e/0x80 [ 7695.278962][ T73] fib6_nh_init+0x3d8/0x1580 [ 7695.278962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7695.278962][ T73] ip6_route_add+0x1c/0x140 [ 7695.278962][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7695.278962][ T73] addrconf_add_dev+0xe2/0x170 [ 7695.278962][ T73] inet6_addr_add+0x12f/0xa40 [ 7695.278962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7695.278962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.278962][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.278962][ T73] netlink_unicast+0x449/0x710 [ 7695.278962][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.278962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.278962][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.278962][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.278962][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.278962][ T73] [ 7695.280937][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7695.280937][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7695.280937][ T73] ipv6_find_idev+0x102/0x170 [ 7695.280937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.280937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.280937][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.280937][ T73] netlink_unicast+0x449/0x710 [ 7695.280937][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.280937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.280937][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.280937][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.280937][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.280937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.280937][ T73] [ 7695.282489][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7695.282489][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7695.282489][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7695.282489][ T73] ipv6_find_idev+0x102/0x170 [ 7695.282489][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7695.282489][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7695.282489][ T73] netlink_rcv_skb+0x130/0x360 [ 7695.282489][ T73] netlink_unicast+0x449/0x710 [ 7695.282489][ T73] netlink_sendmsg+0x723/0xbe0 [ 7695.282489][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7695.282489][ T73] ___sys_sendmsg+0xee/0x170 [ 7695.282489][ T73] __sys_sendmsg+0xcd/0x170 [ 7695.282489][ T73] do_syscall_64+0xc6/0x1e0 [ 7695.282489][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7695.282489][ T73] [ 7696.541743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7696.542265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7696.542265][ T1076] netdev_get_by_index+0x5e/0x80 [ 7696.542265][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7696.542265][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7696.542265][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7696.542265][ T1076] ipv6_add_addr+0x411/0x2000 [ 7696.542265][ T1076] inet6_addr_add+0x30e/0xa40 [ 7696.542265][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7696.542265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7696.542265][ T1076] netlink_rcv_skb+0x130/0x360 [ 7696.542265][ T1076] netlink_unicast+0x449/0x710 [ 7696.542265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7696.542265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7696.542265][ T1076] ___sys_sendmsg+0xee/0x170 [ 7696.542265][ T1076] __sys_sendmsg+0xcd/0x170 [ 7696.542265][ T1076] do_syscall_64+0xc6/0x1e0 [ 7696.542265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7696.542265][ T1076] [ 7696.544553][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7696.544553][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7696.544553][ T1076] ipv6_find_idev+0x102/0x170 [ 7696.544553][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7696.544553][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7696.544553][ T1076] netlink_rcv_skb+0x130/0x360 [ 7696.544553][ T1076] netlink_unicast+0x449/0x710 [ 7696.544553][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7696.544553][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7696.544553][ T1076] ___sys_sendmsg+0xee/0x170 [ 7696.544553][ T1076] __sys_sendmsg+0xcd/0x170 [ 7696.544553][ T1076] do_syscall_64+0xc6/0x1e0 [ 7696.544553][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7696.544553][ T1076] [ 7696.546310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7696.546310][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7696.546310][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7696.546310][ T1076] ipv6_find_idev+0x102/0x170 [ 7696.546310][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7696.546310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7696.546310][ T1076] netlink_rcv_skb+0x130/0x360 [ 7696.546310][ T1076] netlink_unicast+0x449/0x710 [ 7696.546310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7696.546310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7696.546310][ T1076] ___sys_sendmsg+0xee/0x170 [ 7696.546310][ T1076] __sys_sendmsg+0xcd/0x170 [ 7696.546310][ T1076] do_syscall_64+0xc6/0x1e0 [ 7696.546310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7696.546310][ T1076] [ 7705.525698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7705.526116][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7705.526116][ T73] dst_init+0x84/0x4a0 [ 7705.526116][ T73] dst_alloc+0x97/0x150 [ 7705.526116][ T73] ip6_dst_alloc+0x23/0x90 [ 7705.526116][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7705.526116][ T73] ip6_pol_route+0x56f/0x840 [ 7705.526116][ T73] fib6_rule_lookup+0x456/0x630 [ 7705.526116][ T73] ip6_route_input+0x59c/0xa50 [ 7705.526116][ T73] ipv6_rcv+0x397/0x810 [ 7705.526116][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7705.526116][ T73] process_backlog+0x101/0x620 [ 7705.526116][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7705.526116][ T73] net_rx_action+0x495/0xbe0 [ 7705.526116][ T73] __do_softirq+0x1b5/0x7f6 [ 7705.526116][ T73] [ 7705.527802][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7705.527802][ T73] netdev_get_by_index+0x5e/0x80 [ 7705.527802][ T73] fib6_nh_init+0x3d8/0x1580 [ 7705.527802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7705.527802][ T73] ip6_route_add+0x1c/0x140 [ 7705.527802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7705.527802][ T73] inet6_addr_add+0x4f8/0xa40 [ 7705.527802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.527802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.527802][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.527802][ T73] netlink_unicast+0x449/0x710 [ 7705.527802][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.527802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.527802][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.527802][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.527802][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.527802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.527802][ T73] [ 7705.529815][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7705.529815][ T73] netdev_get_by_index+0x5e/0x80 [ 7705.529815][ T73] fib6_nh_init+0x3d8/0x1580 [ 7705.529815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7705.529815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7705.529815][ T73] ipv6_add_addr+0x411/0x2000 [ 7705.529815][ T73] inet6_addr_add+0x30e/0xa40 [ 7705.529815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.529815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.529815][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.529815][ T73] netlink_unicast+0x449/0x710 [ 7705.529815][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.529815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.529815][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.529815][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.529815][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.529815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.529815][ T73] [ 7705.531811][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7705.531811][ T73] netdev_get_by_index+0x5e/0x80 [ 7705.531811][ T73] fib6_nh_init+0x3d8/0x1580 [ 7705.531811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7705.531811][ T73] ip6_route_add+0x1c/0x140 [ 7705.531811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7705.531811][ T73] addrconf_add_dev+0xe2/0x170 [ 7705.531811][ T73] inet6_addr_add+0x12f/0xa40 [ 7705.531811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.531811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.531811][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.531811][ T73] netlink_unicast+0x449/0x710 [ 7705.531811][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.531811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.531811][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.531811][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.531811][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.531811][ T73] [ 7705.533780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7705.533780][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7705.533780][ T73] ipv6_find_idev+0x102/0x170 [ 7705.533780][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.533780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.533780][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.533780][ T73] netlink_unicast+0x449/0x710 [ 7705.533780][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.533780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.533780][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.533780][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.533780][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.533780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.533780][ T73] [ 7705.535318][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7705.535318][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7705.535318][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7705.535318][ T73] ipv6_find_idev+0x102/0x170 [ 7705.535318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.535318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.535318][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.535318][ T73] netlink_unicast+0x449/0x710 [ 7705.535318][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.535318][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.535318][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.535318][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.535318][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.535318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.535318][ T73] [ 7705.537002][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7705.537239][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7705.537239][ T73] dst_init+0x84/0x4a0 [ 7705.537239][ T73] dst_alloc+0x97/0x150 [ 7705.537239][ T73] ip6_dst_alloc+0x23/0x90 [ 7705.537239][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7705.537239][ T73] ip6_pol_route+0x56f/0x840 [ 7705.537239][ T73] fib6_rule_lookup+0x456/0x630 [ 7705.537239][ T73] ip6_route_input+0x59c/0xa50 [ 7705.537239][ T73] ipv6_rcv+0x397/0x810 [ 7705.537239][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7705.537239][ T73] process_backlog+0x101/0x620 [ 7705.537239][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7705.537239][ T73] net_rx_action+0x495/0xbe0 [ 7705.537239][ T73] __do_softirq+0x1b5/0x7f6 [ 7705.537239][ T73] [ 7705.538882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7705.538882][ T73] netdev_get_by_index+0x5e/0x80 [ 7705.538882][ T73] fib6_nh_init+0x3d8/0x1580 [ 7705.538882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7705.538882][ T73] ip6_route_add+0x1c/0x140 [ 7705.538882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7705.538882][ T73] inet6_addr_add+0x4f8/0xa40 [ 7705.538882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.538882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.538882][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.538882][ T73] netlink_unicast+0x449/0x710 [ 7705.538882][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.538882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.538882][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.538882][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.538882][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.538882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.538882][ T73] [ 7705.540878][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7705.540878][ T73] netdev_get_by_index+0x5e/0x80 [ 7705.540878][ T73] fib6_nh_init+0x3d8/0x1580 [ 7705.540878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7705.540878][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7705.540878][ T73] ipv6_add_addr+0x411/0x2000 [ 7705.540878][ T73] inet6_addr_add+0x30e/0xa40 [ 7705.540878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.540878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.540878][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.540878][ T73] netlink_unicast+0x449/0x710 [ 7705.540878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.540878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.540878][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.540878][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.540878][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.540878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.540878][ T73] [ 7705.542878][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7705.542878][ T73] netdev_get_by_index+0x5e/0x80 [ 7705.542878][ T73] fib6_nh_init+0x3d8/0x1580 [ 7705.542878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7705.542878][ T73] ip6_route_add+0x1c/0x140 [ 7705.542878][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7705.542878][ T73] addrconf_add_dev+0xe2/0x170 [ 7705.542878][ T73] inet6_addr_add+0x12f/0xa40 [ 7705.542878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7705.542878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.542878][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.542878][ T73] netlink_unicast+0x449/0x710 [ 7705.542878][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.542878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.542878][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.542878][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.542878][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.542878][ T73] [ 7705.544831][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7705.544831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7705.544831][ T73] ipv6_find_idev+0x102/0x170 [ 7705.544831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.544831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.544831][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.544831][ T73] netlink_unicast+0x449/0x710 [ 7705.544831][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.544831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.544831][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.544831][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.544831][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.544831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.544831][ T73] [ 7705.546369][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7705.546369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7705.546369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7705.546369][ T73] ipv6_find_idev+0x102/0x170 [ 7705.546369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7705.546369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7705.546369][ T73] netlink_rcv_skb+0x130/0x360 [ 7705.546369][ T73] netlink_unicast+0x449/0x710 [ 7705.546369][ T73] netlink_sendmsg+0x723/0xbe0 [ 7705.546369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7705.546369][ T73] ___sys_sendmsg+0xee/0x170 [ 7705.546369][ T73] __sys_sendmsg+0xcd/0x170 [ 7705.546369][ T73] do_syscall_64+0xc6/0x1e0 [ 7705.546369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7705.546369][ T73] [ 7706.789704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7706.790218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7706.790218][ T1076] netdev_get_by_index+0x5e/0x80 [ 7706.790218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7706.790218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7706.790218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7706.790218][ T1076] ipv6_add_addr+0x411/0x2000 [ 7706.790218][ T1076] inet6_addr_add+0x30e/0xa40 [ 7706.790218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7706.790218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7706.790218][ T1076] netlink_rcv_skb+0x130/0x360 [ 7706.790218][ T1076] netlink_unicast+0x449/0x710 [ 7706.790218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7706.790218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7706.790218][ T1076] ___sys_sendmsg+0xee/0x170 [ 7706.790218][ T1076] __sys_sendmsg+0xcd/0x170 [ 7706.790218][ T1076] do_syscall_64+0xc6/0x1e0 [ 7706.790218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7706.790218][ T1076] [ 7706.792474][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7706.792474][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7706.792474][ T1076] ipv6_find_idev+0x102/0x170 [ 7706.792474][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7706.792474][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7706.792474][ T1076] netlink_rcv_skb+0x130/0x360 [ 7706.792474][ T1076] netlink_unicast+0x449/0x710 [ 7706.792474][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7706.792474][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7706.792474][ T1076] ___sys_sendmsg+0xee/0x170 [ 7706.792474][ T1076] __sys_sendmsg+0xcd/0x170 [ 7706.792474][ T1076] do_syscall_64+0xc6/0x1e0 [ 7706.792474][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7706.792474][ T1076] [ 7706.794209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7706.794209][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7706.794209][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7706.794209][ T1076] ipv6_find_idev+0x102/0x170 [ 7706.794209][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7706.794209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7706.794209][ T1076] netlink_rcv_skb+0x130/0x360 [ 7706.794209][ T1076] netlink_unicast+0x449/0x710 [ 7706.794209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7706.794209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7706.794209][ T1076] ___sys_sendmsg+0xee/0x170 [ 7706.794209][ T1076] __sys_sendmsg+0xcd/0x170 [ 7706.794209][ T1076] do_syscall_64+0xc6/0x1e0 [ 7706.794209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7706.794209][ T1076] [ 7715.789709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7715.790147][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7715.790147][ T73] dst_init+0x84/0x4a0 [ 7715.790147][ T73] dst_alloc+0x97/0x150 [ 7715.790147][ T73] ip6_dst_alloc+0x23/0x90 [ 7715.790147][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7715.790147][ T73] ip6_pol_route+0x56f/0x840 [ 7715.790147][ T73] fib6_rule_lookup+0x456/0x630 [ 7715.790147][ T73] ip6_route_input+0x59c/0xa50 [ 7715.790147][ T73] ipv6_rcv+0x397/0x810 [ 7715.790147][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7715.790147][ T73] process_backlog+0x101/0x620 [ 7715.790147][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7715.790147][ T73] net_rx_action+0x495/0xbe0 [ 7715.790147][ T73] __do_softirq+0x1b5/0x7f6 [ 7715.790147][ T73] [ 7715.791818][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7715.791818][ T73] netdev_get_by_index+0x5e/0x80 [ 7715.791818][ T73] fib6_nh_init+0x3d8/0x1580 [ 7715.791818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7715.791818][ T73] ip6_route_add+0x1c/0x140 [ 7715.791818][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7715.791818][ T73] inet6_addr_add+0x4f8/0xa40 [ 7715.791818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7715.791818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.791818][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.791818][ T73] netlink_unicast+0x449/0x710 [ 7715.791818][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.791818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.791818][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.791818][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.791818][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.791818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.791818][ T73] [ 7715.793817][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7715.793817][ T73] netdev_get_by_index+0x5e/0x80 [ 7715.793817][ T73] fib6_nh_init+0x3d8/0x1580 [ 7715.793817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7715.793817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7715.793817][ T73] ipv6_add_addr+0x411/0x2000 [ 7715.793817][ T73] inet6_addr_add+0x30e/0xa40 [ 7715.793817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7715.793817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.793817][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.793817][ T73] netlink_unicast+0x449/0x710 [ 7715.793817][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.793817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.793817][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.793817][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.793817][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.793817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.793817][ T73] [ 7715.795852][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7715.795852][ T73] netdev_get_by_index+0x5e/0x80 [ 7715.795852][ T73] fib6_nh_init+0x3d8/0x1580 [ 7715.795852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7715.795852][ T73] ip6_route_add+0x1c/0x140 [ 7715.795852][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7715.795852][ T73] addrconf_add_dev+0xe2/0x170 [ 7715.795852][ T73] inet6_addr_add+0x12f/0xa40 [ 7715.795852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7715.795852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.795852][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.795852][ T73] netlink_unicast+0x449/0x710 [ 7715.795852][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.795852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.795852][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.795852][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.795852][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.795852][ T73] [ 7715.797842][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7715.797842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7715.797842][ T73] ipv6_find_idev+0x102/0x170 [ 7715.797842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7715.797842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.797842][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.797842][ T73] netlink_unicast+0x449/0x710 [ 7715.797842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.797842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.797842][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.797842][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.797842][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.797842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.797842][ T73] [ 7715.799383][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7715.799383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7715.799383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7715.799383][ T73] ipv6_find_idev+0x102/0x170 [ 7715.799383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7715.799383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.799383][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.799383][ T73] netlink_unicast+0x449/0x710 [ 7715.799383][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.799383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.799383][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.799383][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.799383][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.799383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.799383][ T73] [ 7715.801065][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7715.801308][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7715.801308][ T73] dst_init+0x84/0x4a0 [ 7715.801308][ T73] dst_alloc+0x97/0x150 [ 7715.801308][ T73] ip6_dst_alloc+0x23/0x90 [ 7715.801308][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7715.801308][ T73] ip6_pol_route+0x56f/0x840 [ 7715.801308][ T73] fib6_rule_lookup+0x456/0x630 [ 7715.801308][ T73] ip6_route_input+0x59c/0xa50 [ 7715.801308][ T73] ipv6_rcv+0x397/0x810 [ 7715.801308][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7715.801308][ T73] process_backlog+0x101/0x620 [ 7715.801308][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7715.801308][ T73] net_rx_action+0x495/0xbe0 [ 7715.801308][ T73] __do_softirq+0x1b5/0x7f6 [ 7715.801308][ T73] [ 7715.802949][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7715.802949][ T73] netdev_get_by_index+0x5e/0x80 [ 7715.802949][ T73] fib6_nh_init+0x3d8/0x1580 [ 7715.802949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7715.802949][ T73] ip6_route_add+0x1c/0x140 [ 7715.802949][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7715.802949][ T73] inet6_addr_add+0x4f8/0xa40 [ 7715.802949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7715.802949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.802949][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.802949][ T73] netlink_unicast+0x449/0x710 [ 7715.802949][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.802949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.802949][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.802949][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.802949][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.802949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.802949][ T73] [ 7715.804950][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7715.804950][ T73] netdev_get_by_index+0x5e/0x80 [ 7715.804950][ T73] fib6_nh_init+0x3d8/0x1580 [ 7715.804950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7715.804950][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7715.804950][ T73] ipv6_add_addr+0x411/0x2000 [ 7715.804950][ T73] inet6_addr_add+0x30e/0xa40 [ 7715.804950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7715.804950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.804950][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.804950][ T73] netlink_unicast+0x449/0x710 [ 7715.804950][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.804950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.804950][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.804950][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.804950][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.804950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.804950][ T73] [ 7715.806947][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7715.806947][ T73] netdev_get_by_index+0x5e/0x80 [ 7715.806947][ T73] fib6_nh_init+0x3d8/0x1580 [ 7715.806947][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7715.806947][ T73] ip6_route_add+0x1c/0x140 [ 7715.806947][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7715.806947][ T73] addrconf_add_dev+0xe2/0x170 [ 7715.806947][ T73] inet6_addr_add+0x12f/0xa40 [ 7715.806947][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7715.806947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.806947][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.806947][ T73] netlink_unicast+0x449/0x710 [ 7715.806947][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.806947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.806947][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.806947][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.806947][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.806947][ T73] [ 7715.808917][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7715.808917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7715.808917][ T73] ipv6_find_idev+0x102/0x170 [ 7715.808917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7715.808917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.808917][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.808917][ T73] netlink_unicast+0x449/0x710 [ 7715.808917][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.808917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.808917][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.808917][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.808917][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.808917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.808917][ T73] [ 7715.810460][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7715.810460][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7715.810460][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7715.810460][ T73] ipv6_find_idev+0x102/0x170 [ 7715.810460][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7715.810460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7715.810460][ T73] netlink_rcv_skb+0x130/0x360 [ 7715.810460][ T73] netlink_unicast+0x449/0x710 [ 7715.810460][ T73] netlink_sendmsg+0x723/0xbe0 [ 7715.810460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7715.810460][ T73] ___sys_sendmsg+0xee/0x170 [ 7715.810460][ T73] __sys_sendmsg+0xcd/0x170 [ 7715.810460][ T73] do_syscall_64+0xc6/0x1e0 [ 7715.810460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7715.810460][ T73] [ 7717.037651][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7717.038158][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7717.038158][ T1076] netdev_get_by_index+0x5e/0x80 [ 7717.038158][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7717.038158][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7717.038158][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7717.038158][ T1076] ipv6_add_addr+0x411/0x2000 [ 7717.038158][ T1076] inet6_addr_add+0x30e/0xa40 [ 7717.038158][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7717.038158][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7717.038158][ T1076] netlink_rcv_skb+0x130/0x360 [ 7717.038158][ T1076] netlink_unicast+0x449/0x710 [ 7717.038158][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7717.038158][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7717.038158][ T1076] ___sys_sendmsg+0xee/0x170 [ 7717.038158][ T1076] __sys_sendmsg+0xcd/0x170 [ 7717.038158][ T1076] do_syscall_64+0xc6/0x1e0 [ 7717.038158][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7717.038158][ T1076] [ 7717.040421][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7717.040421][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7717.040421][ T1076] ipv6_find_idev+0x102/0x170 [ 7717.040421][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7717.040421][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7717.040421][ T1076] netlink_rcv_skb+0x130/0x360 [ 7717.040421][ T1076] netlink_unicast+0x449/0x710 [ 7717.040421][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7717.040421][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7717.040421][ T1076] ___sys_sendmsg+0xee/0x170 [ 7717.040421][ T1076] __sys_sendmsg+0xcd/0x170 [ 7717.040421][ T1076] do_syscall_64+0xc6/0x1e0 [ 7717.040421][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7717.040421][ T1076] [ 7717.042150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7717.042150][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7717.042150][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7717.042150][ T1076] ipv6_find_idev+0x102/0x170 [ 7717.042150][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7717.042150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7717.042150][ T1076] netlink_rcv_skb+0x130/0x360 [ 7717.042150][ T1076] netlink_unicast+0x449/0x710 [ 7717.042150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7717.042150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7717.042150][ T1076] ___sys_sendmsg+0xee/0x170 [ 7717.042150][ T1076] __sys_sendmsg+0xcd/0x170 [ 7717.042150][ T1076] do_syscall_64+0xc6/0x1e0 [ 7717.042150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7717.042150][ T1076] [ 7726.053673][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7726.054139][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7726.054139][ T73] dst_init+0x84/0x4a0 [ 7726.054139][ T73] dst_alloc+0x97/0x150 [ 7726.054139][ T73] ip6_dst_alloc+0x23/0x90 [ 7726.054139][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7726.054139][ T73] ip6_pol_route+0x56f/0x840 [ 7726.054139][ T73] fib6_rule_lookup+0x456/0x630 [ 7726.054139][ T73] ip6_route_input+0x59c/0xa50 [ 7726.054139][ T73] ipv6_rcv+0x397/0x810 [ 7726.054139][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7726.054139][ T73] process_backlog+0x101/0x620 [ 7726.054139][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7726.054139][ T73] net_rx_action+0x495/0xbe0 [ 7726.054139][ T73] __do_softirq+0x1b5/0x7f6 [ 7726.054139][ T73] [ 7726.055796][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7726.055796][ T73] netdev_get_by_index+0x5e/0x80 [ 7726.055796][ T73] fib6_nh_init+0x3d8/0x1580 [ 7726.055796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7726.055796][ T73] ip6_route_add+0x1c/0x140 [ 7726.055796][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7726.055796][ T73] inet6_addr_add+0x4f8/0xa40 [ 7726.055796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.055796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.055796][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.055796][ T73] netlink_unicast+0x449/0x710 [ 7726.055796][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.055796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.055796][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.055796][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.055796][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.055796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.055796][ T73] [ 7726.057810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7726.057810][ T73] netdev_get_by_index+0x5e/0x80 [ 7726.057810][ T73] fib6_nh_init+0x3d8/0x1580 [ 7726.057810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7726.057810][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7726.057810][ T73] ipv6_add_addr+0x411/0x2000 [ 7726.057810][ T73] inet6_addr_add+0x30e/0xa40 [ 7726.057810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.057810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.057810][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.057810][ T73] netlink_unicast+0x449/0x710 [ 7726.057810][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.057810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.057810][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.057810][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.057810][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.057810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.057810][ T73] [ 7726.059810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7726.059810][ T73] netdev_get_by_index+0x5e/0x80 [ 7726.059810][ T73] fib6_nh_init+0x3d8/0x1580 [ 7726.059810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7726.059810][ T73] ip6_route_add+0x1c/0x140 [ 7726.059810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7726.059810][ T73] addrconf_add_dev+0xe2/0x170 [ 7726.059810][ T73] inet6_addr_add+0x12f/0xa40 [ 7726.059810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.059810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.059810][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.059810][ T73] netlink_unicast+0x449/0x710 [ 7726.059810][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.059810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.059810][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.059810][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.059810][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.059810][ T73] [ 7726.061783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7726.061783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7726.061783][ T73] ipv6_find_idev+0x102/0x170 [ 7726.061783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.061783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.061783][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.061783][ T73] netlink_unicast+0x449/0x710 [ 7726.061783][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.061783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.061783][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.061783][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.061783][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.061783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.061783][ T73] [ 7726.063337][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7726.063337][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7726.063337][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7726.063337][ T73] ipv6_find_idev+0x102/0x170 [ 7726.063337][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.063337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.063337][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.063337][ T73] netlink_unicast+0x449/0x710 [ 7726.063337][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.063337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.063337][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.063337][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.063337][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.063337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.063337][ T73] [ 7726.065038][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7726.065282][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7726.065282][ T73] dst_init+0x84/0x4a0 [ 7726.065282][ T73] dst_alloc+0x97/0x150 [ 7726.065282][ T73] ip6_dst_alloc+0x23/0x90 [ 7726.065282][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7726.065282][ T73] ip6_pol_route+0x56f/0x840 [ 7726.065282][ T73] fib6_rule_lookup+0x456/0x630 [ 7726.065282][ T73] ip6_route_input+0x59c/0xa50 [ 7726.065282][ T73] ipv6_rcv+0x397/0x810 [ 7726.065282][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7726.065282][ T73] process_backlog+0x101/0x620 [ 7726.065282][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7726.065282][ T73] net_rx_action+0x495/0xbe0 [ 7726.065282][ T73] __do_softirq+0x1b5/0x7f6 [ 7726.065282][ T73] [ 7726.066921][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7726.066921][ T73] netdev_get_by_index+0x5e/0x80 [ 7726.066921][ T73] fib6_nh_init+0x3d8/0x1580 [ 7726.066921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7726.066921][ T73] ip6_route_add+0x1c/0x140 [ 7726.066921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7726.066921][ T73] inet6_addr_add+0x4f8/0xa40 [ 7726.066921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.066921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.066921][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.066921][ T73] netlink_unicast+0x449/0x710 [ 7726.066921][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.066921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.066921][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.066921][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.066921][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.066921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.066921][ T73] [ 7726.068932][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7726.068932][ T73] netdev_get_by_index+0x5e/0x80 [ 7726.068932][ T73] fib6_nh_init+0x3d8/0x1580 [ 7726.068932][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7726.068932][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7726.068932][ T73] ipv6_add_addr+0x411/0x2000 [ 7726.068932][ T73] inet6_addr_add+0x30e/0xa40 [ 7726.068932][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.068932][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.068932][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.068932][ T73] netlink_unicast+0x449/0x710 [ 7726.068932][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.068932][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.068932][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.068932][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.068932][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.068932][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.068932][ T73] [ 7726.070929][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7726.070929][ T73] netdev_get_by_index+0x5e/0x80 [ 7726.070929][ T73] fib6_nh_init+0x3d8/0x1580 [ 7726.070929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7726.070929][ T73] ip6_route_add+0x1c/0x140 [ 7726.070929][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7726.070929][ T73] addrconf_add_dev+0xe2/0x170 [ 7726.070929][ T73] inet6_addr_add+0x12f/0xa40 [ 7726.070929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7726.070929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.070929][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.070929][ T73] netlink_unicast+0x449/0x710 [ 7726.070929][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.070929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.070929][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.070929][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.070929][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.070929][ T73] [ 7726.072886][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7726.072886][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7726.072886][ T73] ipv6_find_idev+0x102/0x170 [ 7726.072886][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.072886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.072886][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.072886][ T73] netlink_unicast+0x449/0x710 [ 7726.072886][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.072886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.072886][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.072886][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.072886][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.072886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.072886][ T73] [ 7726.074419][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7726.074419][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7726.074419][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7726.074419][ T73] ipv6_find_idev+0x102/0x170 [ 7726.074419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7726.074419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7726.074419][ T73] netlink_rcv_skb+0x130/0x360 [ 7726.074419][ T73] netlink_unicast+0x449/0x710 [ 7726.074419][ T73] netlink_sendmsg+0x723/0xbe0 [ 7726.074419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7726.074419][ T73] ___sys_sendmsg+0xee/0x170 [ 7726.074419][ T73] __sys_sendmsg+0xcd/0x170 [ 7726.074419][ T73] do_syscall_64+0xc6/0x1e0 [ 7726.074419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7726.074419][ T73] [ 7727.093757][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7727.094270][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7727.094270][ T1076] netdev_get_by_index+0x5e/0x80 [ 7727.094270][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7727.094270][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7727.094270][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7727.094270][ T1076] ipv6_add_addr+0x411/0x2000 [ 7727.094270][ T1076] inet6_addr_add+0x30e/0xa40 [ 7727.094270][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7727.094270][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7727.094270][ T1076] netlink_rcv_skb+0x130/0x360 [ 7727.094270][ T1076] netlink_unicast+0x449/0x710 [ 7727.094270][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7727.094270][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7727.094270][ T1076] ___sys_sendmsg+0xee/0x170 [ 7727.094270][ T1076] __sys_sendmsg+0xcd/0x170 [ 7727.094270][ T1076] do_syscall_64+0xc6/0x1e0 [ 7727.094270][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7727.094270][ T1076] [ 7727.096523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7727.096523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7727.096523][ T1076] ipv6_find_idev+0x102/0x170 [ 7727.096523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7727.096523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7727.096523][ T1076] netlink_rcv_skb+0x130/0x360 [ 7727.096523][ T1076] netlink_unicast+0x449/0x710 [ 7727.096523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7727.096523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7727.096523][ T1076] ___sys_sendmsg+0xee/0x170 [ 7727.096523][ T1076] __sys_sendmsg+0xcd/0x170 [ 7727.096523][ T1076] do_syscall_64+0xc6/0x1e0 [ 7727.096523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7727.096523][ T1076] [ 7727.098262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7727.098262][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7727.098262][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7727.098262][ T1076] ipv6_find_idev+0x102/0x170 [ 7727.098262][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7727.098262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7727.098262][ T1076] netlink_rcv_skb+0x130/0x360 [ 7727.098262][ T1076] netlink_unicast+0x449/0x710 [ 7727.098262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7727.098262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7727.098262][ T1076] ___sys_sendmsg+0xee/0x170 [ 7727.098262][ T1076] __sys_sendmsg+0xcd/0x170 [ 7727.098262][ T1076] do_syscall_64+0xc6/0x1e0 [ 7727.098262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7727.098262][ T1076] [ 7736.309721][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7736.310074][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7736.310074][ T73] dst_init+0x84/0x4a0 [ 7736.310074][ T73] dst_alloc+0x97/0x150 [ 7736.310074][ T73] ip6_dst_alloc+0x23/0x90 [ 7736.310074][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7736.310074][ T73] ip6_pol_route+0x56f/0x840 [ 7736.310074][ T73] fib6_rule_lookup+0x456/0x630 [ 7736.310074][ T73] ip6_route_input+0x59c/0xa50 [ 7736.310074][ T73] ipv6_rcv+0x397/0x810 [ 7736.310074][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7736.310074][ T73] process_backlog+0x101/0x620 [ 7736.310074][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7736.310074][ T73] net_rx_action+0x495/0xbe0 [ 7736.310074][ T73] __do_softirq+0x1b5/0x7f6 [ 7736.310074][ T73] [ 7736.311753][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7736.311753][ T73] netdev_get_by_index+0x5e/0x80 [ 7736.311753][ T73] fib6_nh_init+0x3d8/0x1580 [ 7736.311753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7736.311753][ T73] ip6_route_add+0x1c/0x140 [ 7736.311753][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7736.311753][ T73] inet6_addr_add+0x4f8/0xa40 [ 7736.311753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.311753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.311753][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.311753][ T73] netlink_unicast+0x449/0x710 [ 7736.311753][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.311753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.311753][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.311753][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.311753][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.311753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.311753][ T73] [ 7736.313833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7736.313833][ T73] netdev_get_by_index+0x5e/0x80 [ 7736.313833][ T73] fib6_nh_init+0x3d8/0x1580 [ 7736.313833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7736.313833][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7736.313833][ T73] ipv6_add_addr+0x411/0x2000 [ 7736.313833][ T73] inet6_addr_add+0x30e/0xa40 [ 7736.313833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.313833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.313833][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.313833][ T73] netlink_unicast+0x449/0x710 [ 7736.313833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.313833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.313833][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.313833][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.313833][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.313833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.313833][ T73] [ 7736.315820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7736.315820][ T73] netdev_get_by_index+0x5e/0x80 [ 7736.315820][ T73] fib6_nh_init+0x3d8/0x1580 [ 7736.315820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7736.315820][ T73] ip6_route_add+0x1c/0x140 [ 7736.315820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7736.315820][ T73] addrconf_add_dev+0xe2/0x170 [ 7736.315820][ T73] inet6_addr_add+0x12f/0xa40 [ 7736.315820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.315820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.315820][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.315820][ T73] netlink_unicast+0x449/0x710 [ 7736.315820][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.315820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.315820][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.315820][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.315820][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.315820][ T73] [ 7736.317786][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7736.317786][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7736.317786][ T73] ipv6_find_idev+0x102/0x170 [ 7736.317786][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.317786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.317786][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.317786][ T73] netlink_unicast+0x449/0x710 [ 7736.317786][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.317786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.317786][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.317786][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.317786][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.317786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.317786][ T73] [ 7736.319316][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7736.319316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7736.319316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7736.319316][ T73] ipv6_find_idev+0x102/0x170 [ 7736.319316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.319316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.319316][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.319316][ T73] netlink_unicast+0x449/0x710 [ 7736.319316][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.319316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.319316][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.319316][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.319316][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.319316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.319316][ T73] [ 7736.321001][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7736.321246][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7736.321246][ T73] dst_init+0x84/0x4a0 [ 7736.321246][ T73] dst_alloc+0x97/0x150 [ 7736.321246][ T73] ip6_dst_alloc+0x23/0x90 [ 7736.321246][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7736.321246][ T73] ip6_pol_route+0x56f/0x840 [ 7736.321246][ T73] fib6_rule_lookup+0x456/0x630 [ 7736.321246][ T73] ip6_route_input+0x59c/0xa50 [ 7736.321246][ T73] ipv6_rcv+0x397/0x810 [ 7736.321246][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7736.321246][ T73] process_backlog+0x101/0x620 [ 7736.321246][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7736.321246][ T73] net_rx_action+0x495/0xbe0 [ 7736.321246][ T73] __do_softirq+0x1b5/0x7f6 [ 7736.321246][ T73] [ 7736.322874][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7736.322874][ T73] netdev_get_by_index+0x5e/0x80 [ 7736.322874][ T73] fib6_nh_init+0x3d8/0x1580 [ 7736.322874][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7736.322874][ T73] ip6_route_add+0x1c/0x140 [ 7736.322874][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7736.322874][ T73] inet6_addr_add+0x4f8/0xa40 [ 7736.322874][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.322874][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.322874][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.322874][ T73] netlink_unicast+0x449/0x710 [ 7736.322874][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.322874][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.322874][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.322874][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.322874][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.322874][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.322874][ T73] [ 7736.324884][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7736.324884][ T73] netdev_get_by_index+0x5e/0x80 [ 7736.324884][ T73] fib6_nh_init+0x3d8/0x1580 [ 7736.324884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7736.324884][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7736.324884][ T73] ipv6_add_addr+0x411/0x2000 [ 7736.324884][ T73] inet6_addr_add+0x30e/0xa40 [ 7736.324884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.324884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.324884][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.324884][ T73] netlink_unicast+0x449/0x710 [ 7736.324884][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.324884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.324884][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.324884][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.324884][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.324884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.324884][ T73] [ 7736.326880][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7736.326880][ T73] netdev_get_by_index+0x5e/0x80 [ 7736.326880][ T73] fib6_nh_init+0x3d8/0x1580 [ 7736.326880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7736.326880][ T73] ip6_route_add+0x1c/0x140 [ 7736.326880][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7736.326880][ T73] addrconf_add_dev+0xe2/0x170 [ 7736.326880][ T73] inet6_addr_add+0x12f/0xa40 [ 7736.326880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7736.326880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.326880][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.326880][ T73] netlink_unicast+0x449/0x710 [ 7736.326880][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.326880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.326880][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.326880][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.326880][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.326880][ T73] [ 7736.328850][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7736.328850][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7736.328850][ T73] ipv6_find_idev+0x102/0x170 [ 7736.328850][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.328850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.328850][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.328850][ T73] netlink_unicast+0x449/0x710 [ 7736.328850][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.328850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.328850][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.328850][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.328850][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.328850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.328850][ T73] [ 7736.330389][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7736.330389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7736.330389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7736.330389][ T73] ipv6_find_idev+0x102/0x170 [ 7736.330389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7736.330389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7736.330389][ T73] netlink_rcv_skb+0x130/0x360 [ 7736.330389][ T73] netlink_unicast+0x449/0x710 [ 7736.330389][ T73] netlink_sendmsg+0x723/0xbe0 [ 7736.330389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7736.330389][ T73] ___sys_sendmsg+0xee/0x170 [ 7736.330389][ T73] __sys_sendmsg+0xcd/0x170 [ 7736.330389][ T73] do_syscall_64+0xc6/0x1e0 [ 7736.330389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7736.330389][ T73] [ 7737.341812][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7737.342248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7737.342248][ T1076] netdev_get_by_index+0x5e/0x80 [ 7737.342248][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7737.342248][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7737.342248][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7737.342248][ T1076] ipv6_add_addr+0x411/0x2000 [ 7737.342248][ T1076] inet6_addr_add+0x30e/0xa40 [ 7737.342248][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7737.342248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7737.342248][ T1076] netlink_rcv_skb+0x130/0x360 [ 7737.342248][ T1076] netlink_unicast+0x449/0x710 [ 7737.342248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7737.342248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7737.342248][ T1076] ___sys_sendmsg+0xee/0x170 [ 7737.342248][ T1076] __sys_sendmsg+0xcd/0x170 [ 7737.342248][ T1076] do_syscall_64+0xc6/0x1e0 [ 7737.342248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7737.342248][ T1076] [ 7737.344529][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7737.344529][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7737.344529][ T1076] ipv6_find_idev+0x102/0x170 [ 7737.344529][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7737.344529][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7737.344529][ T1076] netlink_rcv_skb+0x130/0x360 [ 7737.344529][ T1076] netlink_unicast+0x449/0x710 [ 7737.344529][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7737.344529][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7737.344529][ T1076] ___sys_sendmsg+0xee/0x170 [ 7737.344529][ T1076] __sys_sendmsg+0xcd/0x170 [ 7737.344529][ T1076] do_syscall_64+0xc6/0x1e0 [ 7737.344529][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7737.344529][ T1076] [ 7737.346268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7737.346268][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7737.346268][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7737.346268][ T1076] ipv6_find_idev+0x102/0x170 [ 7737.346268][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7737.346268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7737.346268][ T1076] netlink_rcv_skb+0x130/0x360 [ 7737.346268][ T1076] netlink_unicast+0x449/0x710 [ 7737.346268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7737.346268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7737.346268][ T1076] ___sys_sendmsg+0xee/0x170 [ 7737.346268][ T1076] __sys_sendmsg+0xcd/0x170 [ 7737.346268][ T1076] do_syscall_64+0xc6/0x1e0 [ 7737.346268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7737.346268][ T1076] [ 7742.757656][ T42] INFO: task modprobe:1264 blocked for more than 491 seconds. [ 7742.757993][ T42] Not tainted 6.8.0-virtme #1 [ 7742.758110][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7742.758333][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 7742.758614][ T42] Call Trace: [ 7742.758710][ T42] [ 7742.758781][ T42] __schedule+0x705/0x1ac0 [ 7742.758914][ T42] ? __pfx___schedule+0x10/0x10 [ 7742.759039][ T42] ? schedule+0x1a5/0x210 [ 7742.759139][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7742.759378][ T42] ? mark_lock+0x38/0x3e0 [ 7742.759480][ T42] ? do_raw_spin_lock+0x131/0x270 [ 7742.759624][ T42] ? schedule+0x1a5/0x210 [ 7742.759722][ T42] schedule+0xdf/0x210 [ 7742.759826][ T42] schedule_preempt_disabled+0x15/0x30 [ 7742.759948][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 7742.760081][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 7742.760238][ T42] ? kasan_save_stack+0x34/0x50 [ 7742.760364][ T42] ? kasan_save_stack+0x24/0x50 [ 7742.760493][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7742.760636][ T42] ? lock_acquire+0x1c1/0x220 [ 7742.760758][ T42] ? register_pernet_subsys+0x1a/0x50 [ 7742.760894][ T42] down_write+0x1c9/0x200 [ 7742.760997][ T42] ? __pfx_down_write+0x10/0x10 [ 7742.761119][ T42] ? __pfx___lock_release+0x10/0x10 [ 7742.761252][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 7742.761412][ T42] register_pernet_subsys+0x1a/0x50 [ 7742.761545][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 7742.761716][ T42] do_one_initcall+0xc8/0x3f0 [ 7742.761841][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 7742.761970][ T42] ? __create_object+0x5e/0xb0 [ 7742.762096][ T42] ? kasan_unpoison+0x27/0x60 [ 7742.762223][ T42] do_init_module+0x233/0x740 [ 7742.762355][ T42] load_module+0x16b5/0x2350 [ 7742.762493][ T42] ? __pfx_load_module+0x10/0x10 [ 7742.762634][ T42] ? kernel_read_file+0x3d2/0x520 [ 7742.762761][ T42] ? kernel_read_file+0x300/0x520 [ 7742.762888][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 7742.763018][ T42] ? init_module_from_file+0xd2/0x130 [ 7742.763148][ T42] init_module_from_file+0xd2/0x130 [ 7742.763284][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 7742.763436][ T42] ? __lock_release+0x103/0x460 [ 7742.763558][ T42] ? idempotent_init_module+0x32a/0x620 [ 7742.763710][ T42] ? idempotent_init_module+0x32a/0x620 [ 7742.763834][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 7742.763959][ T42] idempotent_init_module+0x342/0x620 [ 7742.764094][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 7742.764266][ T42] __x64_sys_finit_module+0xbe/0x130 [ 7742.764395][ T42] do_syscall_64+0xc6/0x1e0 [ 7742.764520][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7742.764691][ T42] RIP: 0033:0x7f6e8f82ce5d [ 7742.764819][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7742.765005][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 7742.765185][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 7742.765376][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 7742.765561][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 7742.765771][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 7742.765970][ T42] [ 7742.766064][ T42] [ 7742.766064][ T42] Showing all locks held in the system: [ 7742.766238][ T42] 1 lock held by khungtaskd/42: [ 7742.766362][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 7742.766612][ T42] 3 locks held by kworker/u16:1/73: [ 7742.766736][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7742.766984][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7742.767211][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 7742.767430][ T42] 2 locks held by kworker/u20:1/76: [ 7742.767553][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7742.767810][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7742.768090][ T42] 1 lock held by modprobe/1264: [ 7742.768211][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 7742.768459][ T42] [ 7742.768523][ T42] ============================================= [ 7742.768523][ T42] [ 7746.573647][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7746.574024][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7746.574024][ T73] dst_init+0x84/0x4a0 [ 7746.574024][ T73] dst_alloc+0x97/0x150 [ 7746.574024][ T73] ip6_dst_alloc+0x23/0x90 [ 7746.574024][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7746.574024][ T73] ip6_pol_route+0x56f/0x840 [ 7746.574024][ T73] fib6_rule_lookup+0x456/0x630 [ 7746.574024][ T73] ip6_route_input+0x59c/0xa50 [ 7746.574024][ T73] ipv6_rcv+0x397/0x810 [ 7746.574024][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7746.574024][ T73] process_backlog+0x101/0x620 [ 7746.574024][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7746.574024][ T73] net_rx_action+0x495/0xbe0 [ 7746.574024][ T73] __do_softirq+0x1b5/0x7f6 [ 7746.574024][ T73] [ 7746.575720][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7746.575720][ T73] netdev_get_by_index+0x5e/0x80 [ 7746.575720][ T73] fib6_nh_init+0x3d8/0x1580 [ 7746.575720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7746.575720][ T73] ip6_route_add+0x1c/0x140 [ 7746.575720][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7746.575720][ T73] inet6_addr_add+0x4f8/0xa40 [ 7746.575720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.575720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.575720][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.575720][ T73] netlink_unicast+0x449/0x710 [ 7746.575720][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.575720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.575720][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.575720][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.575720][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.575720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.575720][ T73] [ 7746.577743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7746.577743][ T73] netdev_get_by_index+0x5e/0x80 [ 7746.577743][ T73] fib6_nh_init+0x3d8/0x1580 [ 7746.577743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7746.577743][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7746.577743][ T73] ipv6_add_addr+0x411/0x2000 [ 7746.577743][ T73] inet6_addr_add+0x30e/0xa40 [ 7746.577743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.577743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.577743][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.577743][ T73] netlink_unicast+0x449/0x710 [ 7746.577743][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.577743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.577743][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.577743][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.577743][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.577743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.577743][ T73] [ 7746.579758][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7746.579758][ T73] netdev_get_by_index+0x5e/0x80 [ 7746.579758][ T73] fib6_nh_init+0x3d8/0x1580 [ 7746.579758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7746.579758][ T73] ip6_route_add+0x1c/0x140 [ 7746.579758][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7746.579758][ T73] addrconf_add_dev+0xe2/0x170 [ 7746.579758][ T73] inet6_addr_add+0x12f/0xa40 [ 7746.579758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.579758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.579758][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.579758][ T73] netlink_unicast+0x449/0x710 [ 7746.579758][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.579758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.579758][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.579758][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.579758][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.579758][ T73] [ 7746.581737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7746.581737][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7746.581737][ T73] ipv6_find_idev+0x102/0x170 [ 7746.581737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.581737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.581737][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.581737][ T73] netlink_unicast+0x449/0x710 [ 7746.581737][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.581737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.581737][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.581737][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.581737][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.581737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.581737][ T73] [ 7746.583300][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7746.583300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7746.583300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7746.583300][ T73] ipv6_find_idev+0x102/0x170 [ 7746.583300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.583300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.583300][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.583300][ T73] netlink_unicast+0x449/0x710 [ 7746.583300][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.583300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.583300][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.583300][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.583300][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.583300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.583300][ T73] [ 7746.584999][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7746.585244][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7746.585244][ T73] dst_init+0x84/0x4a0 [ 7746.585244][ T73] dst_alloc+0x97/0x150 [ 7746.585244][ T73] ip6_dst_alloc+0x23/0x90 [ 7746.585244][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7746.585244][ T73] ip6_pol_route+0x56f/0x840 [ 7746.585244][ T73] fib6_rule_lookup+0x456/0x630 [ 7746.585244][ T73] ip6_route_input+0x59c/0xa50 [ 7746.585244][ T73] ipv6_rcv+0x397/0x810 [ 7746.585244][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7746.585244][ T73] process_backlog+0x101/0x620 [ 7746.585244][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7746.585244][ T73] net_rx_action+0x495/0xbe0 [ 7746.585244][ T73] __do_softirq+0x1b5/0x7f6 [ 7746.585244][ T73] [ 7746.586887][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7746.586887][ T73] netdev_get_by_index+0x5e/0x80 [ 7746.586887][ T73] fib6_nh_init+0x3d8/0x1580 [ 7746.586887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7746.586887][ T73] ip6_route_add+0x1c/0x140 [ 7746.586887][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7746.586887][ T73] inet6_addr_add+0x4f8/0xa40 [ 7746.586887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.586887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.586887][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.586887][ T73] netlink_unicast+0x449/0x710 [ 7746.586887][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.586887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.586887][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.586887][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.586887][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.586887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.586887][ T73] [ 7746.588898][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7746.588898][ T73] netdev_get_by_index+0x5e/0x80 [ 7746.588898][ T73] fib6_nh_init+0x3d8/0x1580 [ 7746.588898][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7746.588898][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7746.588898][ T73] ipv6_add_addr+0x411/0x2000 [ 7746.588898][ T73] inet6_addr_add+0x30e/0xa40 [ 7746.588898][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.588898][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.588898][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.588898][ T73] netlink_unicast+0x449/0x710 [ 7746.588898][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.588898][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.588898][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.588898][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.588898][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.588898][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.588898][ T73] [ 7746.590882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7746.590882][ T73] netdev_get_by_index+0x5e/0x80 [ 7746.590882][ T73] fib6_nh_init+0x3d8/0x1580 [ 7746.590882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7746.590882][ T73] ip6_route_add+0x1c/0x140 [ 7746.590882][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7746.590882][ T73] addrconf_add_dev+0xe2/0x170 [ 7746.590882][ T73] inet6_addr_add+0x12f/0xa40 [ 7746.590882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7746.590882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.590882][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.590882][ T73] netlink_unicast+0x449/0x710 [ 7746.590882][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.590882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.590882][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.590882][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.590882][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.590882][ T73] [ 7746.592862][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7746.592862][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7746.592862][ T73] ipv6_find_idev+0x102/0x170 [ 7746.592862][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.592862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.592862][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.592862][ T73] netlink_unicast+0x449/0x710 [ 7746.592862][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.592862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.592862][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.592862][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.592862][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.592862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.592862][ T73] [ 7746.594428][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7746.594428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7746.594428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7746.594428][ T73] ipv6_find_idev+0x102/0x170 [ 7746.594428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7746.594428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7746.594428][ T73] netlink_rcv_skb+0x130/0x360 [ 7746.594428][ T73] netlink_unicast+0x449/0x710 [ 7746.594428][ T73] netlink_sendmsg+0x723/0xbe0 [ 7746.594428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7746.594428][ T73] ___sys_sendmsg+0xee/0x170 [ 7746.594428][ T73] __sys_sendmsg+0xcd/0x170 [ 7746.594428][ T73] do_syscall_64+0xc6/0x1e0 [ 7746.594428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7746.594428][ T73] [ 7747.589730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7747.590223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7747.590223][ T1076] netdev_get_by_index+0x5e/0x80 [ 7747.590223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7747.590223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7747.590223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7747.590223][ T1076] ipv6_add_addr+0x411/0x2000 [ 7747.590223][ T1076] inet6_addr_add+0x30e/0xa40 [ 7747.590223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7747.590223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7747.590223][ T1076] netlink_rcv_skb+0x130/0x360 [ 7747.590223][ T1076] netlink_unicast+0x449/0x710 [ 7747.590223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7747.590223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7747.590223][ T1076] ___sys_sendmsg+0xee/0x170 [ 7747.590223][ T1076] __sys_sendmsg+0xcd/0x170 [ 7747.590223][ T1076] do_syscall_64+0xc6/0x1e0 [ 7747.590223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7747.590223][ T1076] [ 7747.592607][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7747.592607][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7747.592607][ T1076] ipv6_find_idev+0x102/0x170 [ 7747.592607][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7747.592607][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7747.592607][ T1076] netlink_rcv_skb+0x130/0x360 [ 7747.592607][ T1076] netlink_unicast+0x449/0x710 [ 7747.592607][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7747.592607][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7747.592607][ T1076] ___sys_sendmsg+0xee/0x170 [ 7747.592607][ T1076] __sys_sendmsg+0xcd/0x170 [ 7747.592607][ T1076] do_syscall_64+0xc6/0x1e0 [ 7747.592607][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7747.592607][ T1076] [ 7747.594345][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7747.594345][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7747.594345][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7747.594345][ T1076] ipv6_find_idev+0x102/0x170 [ 7747.594345][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7747.594345][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7747.594345][ T1076] netlink_rcv_skb+0x130/0x360 [ 7747.594345][ T1076] netlink_unicast+0x449/0x710 [ 7747.594345][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7747.594345][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7747.594345][ T1076] ___sys_sendmsg+0xee/0x170 [ 7747.594345][ T1076] __sys_sendmsg+0xcd/0x170 [ 7747.594345][ T1076] do_syscall_64+0xc6/0x1e0 [ 7747.594345][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7747.594345][ T1076] [ 7756.837647][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7756.838065][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7756.838065][ T73] dst_init+0x84/0x4a0 [ 7756.838065][ T73] dst_alloc+0x97/0x150 [ 7756.838065][ T73] ip6_dst_alloc+0x23/0x90 [ 7756.838065][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7756.838065][ T73] ip6_pol_route+0x56f/0x840 [ 7756.838065][ T73] fib6_rule_lookup+0x456/0x630 [ 7756.838065][ T73] ip6_route_input+0x59c/0xa50 [ 7756.838065][ T73] ipv6_rcv+0x397/0x810 [ 7756.838065][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7756.838065][ T73] process_backlog+0x101/0x620 [ 7756.838065][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7756.838065][ T73] net_rx_action+0x495/0xbe0 [ 7756.838065][ T73] __do_softirq+0x1b5/0x7f6 [ 7756.838065][ T73] [ 7756.839779][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7756.839779][ T73] netdev_get_by_index+0x5e/0x80 [ 7756.839779][ T73] fib6_nh_init+0x3d8/0x1580 [ 7756.839779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7756.839779][ T73] ip6_route_add+0x1c/0x140 [ 7756.839779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7756.839779][ T73] inet6_addr_add+0x4f8/0xa40 [ 7756.839779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.839779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.839779][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.839779][ T73] netlink_unicast+0x449/0x710 [ 7756.839779][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.839779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.839779][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.839779][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.839779][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.839779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.839779][ T73] [ 7756.841800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7756.841800][ T73] netdev_get_by_index+0x5e/0x80 [ 7756.841800][ T73] fib6_nh_init+0x3d8/0x1580 [ 7756.841800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7756.841800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7756.841800][ T73] ipv6_add_addr+0x411/0x2000 [ 7756.841800][ T73] inet6_addr_add+0x30e/0xa40 [ 7756.841800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.841800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.841800][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.841800][ T73] netlink_unicast+0x449/0x710 [ 7756.841800][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.841800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.841800][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.841800][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.841800][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.841800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.841800][ T73] [ 7756.843810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7756.843810][ T73] netdev_get_by_index+0x5e/0x80 [ 7756.843810][ T73] fib6_nh_init+0x3d8/0x1580 [ 7756.843810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7756.843810][ T73] ip6_route_add+0x1c/0x140 [ 7756.843810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7756.843810][ T73] addrconf_add_dev+0xe2/0x170 [ 7756.843810][ T73] inet6_addr_add+0x12f/0xa40 [ 7756.843810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.843810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.843810][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.843810][ T73] netlink_unicast+0x449/0x710 [ 7756.843810][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.843810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.843810][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.843810][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.843810][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.843810][ T73] [ 7756.845906][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7756.845906][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7756.845906][ T73] ipv6_find_idev+0x102/0x170 [ 7756.845906][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7756.845906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.845906][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.845906][ T73] netlink_unicast+0x449/0x710 [ 7756.845906][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.845906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.845906][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.845906][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.845906][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.845906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.845906][ T73] [ 7756.847457][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7756.847457][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7756.847457][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7756.847457][ T73] ipv6_find_idev+0x102/0x170 [ 7756.847457][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7756.847457][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.847457][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.847457][ T73] netlink_unicast+0x449/0x710 [ 7756.847457][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.847457][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.847457][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.847457][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.847457][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.847457][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.847457][ T73] [ 7756.849159][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7756.849405][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7756.849405][ T73] dst_init+0x84/0x4a0 [ 7756.849405][ T73] dst_alloc+0x97/0x150 [ 7756.849405][ T73] ip6_dst_alloc+0x23/0x90 [ 7756.849405][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7756.849405][ T73] ip6_pol_route+0x56f/0x840 [ 7756.849405][ T73] fib6_rule_lookup+0x456/0x630 [ 7756.849405][ T73] ip6_route_input+0x59c/0xa50 [ 7756.849405][ T73] ipv6_rcv+0x397/0x810 [ 7756.849405][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7756.849405][ T73] process_backlog+0x101/0x620 [ 7756.849405][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7756.849405][ T73] net_rx_action+0x495/0xbe0 [ 7756.849405][ T73] __do_softirq+0x1b5/0x7f6 [ 7756.849405][ T73] [ 7756.851036][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7756.851036][ T73] netdev_get_by_index+0x5e/0x80 [ 7756.851036][ T73] fib6_nh_init+0x3d8/0x1580 [ 7756.851036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7756.851036][ T73] ip6_route_add+0x1c/0x140 [ 7756.851036][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7756.851036][ T73] inet6_addr_add+0x4f8/0xa40 [ 7756.851036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.851036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.851036][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.851036][ T73] netlink_unicast+0x449/0x710 [ 7756.851036][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.851036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.851036][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.851036][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.851036][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.851036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.851036][ T73] [ 7756.853027][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7756.853027][ T73] netdev_get_by_index+0x5e/0x80 [ 7756.853027][ T73] fib6_nh_init+0x3d8/0x1580 [ 7756.853027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7756.853027][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7756.853027][ T73] ipv6_add_addr+0x411/0x2000 [ 7756.853027][ T73] inet6_addr_add+0x30e/0xa40 [ 7756.853027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.853027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.853027][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.853027][ T73] netlink_unicast+0x449/0x710 [ 7756.853027][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.853027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.853027][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.853027][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.853027][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.853027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.853027][ T73] [ 7756.855009][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7756.855009][ T73] netdev_get_by_index+0x5e/0x80 [ 7756.855009][ T73] fib6_nh_init+0x3d8/0x1580 [ 7756.855009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7756.855009][ T73] ip6_route_add+0x1c/0x140 [ 7756.855009][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7756.855009][ T73] addrconf_add_dev+0xe2/0x170 [ 7756.855009][ T73] inet6_addr_add+0x12f/0xa40 [ 7756.855009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7756.855009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.855009][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.855009][ T73] netlink_unicast+0x449/0x710 [ 7756.855009][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.855009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.855009][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.855009][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.855009][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.855009][ T73] [ 7756.856982][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7756.856982][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7756.856982][ T73] ipv6_find_idev+0x102/0x170 [ 7756.856982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7756.856982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.856982][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.856982][ T73] netlink_unicast+0x449/0x710 [ 7756.856982][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.856982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.856982][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.856982][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.856982][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.856982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.856982][ T73] [ 7756.858561][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7756.858561][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7756.858561][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7756.858561][ T73] ipv6_find_idev+0x102/0x170 [ 7756.858561][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7756.858561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7756.858561][ T73] netlink_rcv_skb+0x130/0x360 [ 7756.858561][ T73] netlink_unicast+0x449/0x710 [ 7756.858561][ T73] netlink_sendmsg+0x723/0xbe0 [ 7756.858561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7756.858561][ T73] ___sys_sendmsg+0xee/0x170 [ 7756.858561][ T73] __sys_sendmsg+0xcd/0x170 [ 7756.858561][ T73] do_syscall_64+0xc6/0x1e0 [ 7756.858561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7756.858561][ T73] [ 7757.837707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7757.838238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7757.838238][ T1076] netdev_get_by_index+0x5e/0x80 [ 7757.838238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7757.838238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7757.838238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7757.838238][ T1076] ipv6_add_addr+0x411/0x2000 [ 7757.838238][ T1076] inet6_addr_add+0x30e/0xa40 [ 7757.838238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7757.838238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.838238][ T1076] netlink_rcv_skb+0x130/0x360 [ 7757.838238][ T1076] netlink_unicast+0x449/0x710 [ 7757.838238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7757.838238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7757.838238][ T1076] ___sys_sendmsg+0xee/0x170 [ 7757.838238][ T1076] __sys_sendmsg+0xcd/0x170 [ 7757.838238][ T1076] do_syscall_64+0xc6/0x1e0 [ 7757.838238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.838238][ T1076] [ 7757.840516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7757.840516][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7757.840516][ T1076] ipv6_find_idev+0x102/0x170 [ 7757.840516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7757.840516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.840516][ T1076] netlink_rcv_skb+0x130/0x360 [ 7757.840516][ T1076] netlink_unicast+0x449/0x710 [ 7757.840516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7757.840516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7757.840516][ T1076] ___sys_sendmsg+0xee/0x170 [ 7757.840516][ T1076] __sys_sendmsg+0xcd/0x170 [ 7757.840516][ T1076] do_syscall_64+0xc6/0x1e0 [ 7757.840516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.840516][ T1076] [ 7757.842265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7757.842265][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7757.842265][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7757.842265][ T1076] ipv6_find_idev+0x102/0x170 [ 7757.842265][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7757.842265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7757.842265][ T1076] netlink_rcv_skb+0x130/0x360 [ 7757.842265][ T1076] netlink_unicast+0x449/0x710 [ 7757.842265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7757.842265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7757.842265][ T1076] ___sys_sendmsg+0xee/0x170 [ 7757.842265][ T1076] __sys_sendmsg+0xcd/0x170 [ 7757.842265][ T1076] do_syscall_64+0xc6/0x1e0 [ 7757.842265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7757.842265][ T1076] [ 7767.101648][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7767.102088][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7767.102088][ T73] dst_init+0x84/0x4a0 [ 7767.102088][ T73] dst_alloc+0x97/0x150 [ 7767.102088][ T73] ip6_dst_alloc+0x23/0x90 [ 7767.102088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7767.102088][ T73] ip6_pol_route+0x56f/0x840 [ 7767.102088][ T73] fib6_rule_lookup+0x456/0x630 [ 7767.102088][ T73] ip6_route_input+0x59c/0xa50 [ 7767.102088][ T73] ipv6_rcv+0x397/0x810 [ 7767.102088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7767.102088][ T73] process_backlog+0x101/0x620 [ 7767.102088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7767.102088][ T73] net_rx_action+0x495/0xbe0 [ 7767.102088][ T73] __do_softirq+0x1b5/0x7f6 [ 7767.102088][ T73] [ 7767.103774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7767.103774][ T73] netdev_get_by_index+0x5e/0x80 [ 7767.103774][ T73] fib6_nh_init+0x3d8/0x1580 [ 7767.103774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7767.103774][ T73] ip6_route_add+0x1c/0x140 [ 7767.103774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7767.103774][ T73] inet6_addr_add+0x4f8/0xa40 [ 7767.103774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.103774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.103774][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.103774][ T73] netlink_unicast+0x449/0x710 [ 7767.103774][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.103774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.103774][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.103774][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.103774][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.103774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.103774][ T73] [ 7767.105781][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7767.105781][ T73] netdev_get_by_index+0x5e/0x80 [ 7767.105781][ T73] fib6_nh_init+0x3d8/0x1580 [ 7767.105781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7767.105781][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7767.105781][ T73] ipv6_add_addr+0x411/0x2000 [ 7767.105781][ T73] inet6_addr_add+0x30e/0xa40 [ 7767.105781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.105781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.105781][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.105781][ T73] netlink_unicast+0x449/0x710 [ 7767.105781][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.105781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.105781][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.105781][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.105781][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.105781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.105781][ T73] [ 7767.107792][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7767.107792][ T73] netdev_get_by_index+0x5e/0x80 [ 7767.107792][ T73] fib6_nh_init+0x3d8/0x1580 [ 7767.107792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7767.107792][ T73] ip6_route_add+0x1c/0x140 [ 7767.107792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7767.107792][ T73] addrconf_add_dev+0xe2/0x170 [ 7767.107792][ T73] inet6_addr_add+0x12f/0xa40 [ 7767.107792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.107792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.107792][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.107792][ T73] netlink_unicast+0x449/0x710 [ 7767.107792][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.107792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.107792][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.107792][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.107792][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.107792][ T73] [ 7767.109759][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7767.109759][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7767.109759][ T73] ipv6_find_idev+0x102/0x170 [ 7767.109759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7767.109759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.109759][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.109759][ T73] netlink_unicast+0x449/0x710 [ 7767.109759][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.109759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.109759][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.109759][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.109759][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.109759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.109759][ T73] [ 7767.111305][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7767.111305][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7767.111305][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7767.111305][ T73] ipv6_find_idev+0x102/0x170 [ 7767.111305][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7767.111305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.111305][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.111305][ T73] netlink_unicast+0x449/0x710 [ 7767.111305][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.111305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.111305][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.111305][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.111305][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.111305][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.111305][ T73] [ 7767.112994][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7767.113249][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7767.113249][ T73] dst_init+0x84/0x4a0 [ 7767.113249][ T73] dst_alloc+0x97/0x150 [ 7767.113249][ T73] ip6_dst_alloc+0x23/0x90 [ 7767.113249][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7767.113249][ T73] ip6_pol_route+0x56f/0x840 [ 7767.113249][ T73] fib6_rule_lookup+0x456/0x630 [ 7767.113249][ T73] ip6_route_input+0x59c/0xa50 [ 7767.113249][ T73] ipv6_rcv+0x397/0x810 [ 7767.113249][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7767.113249][ T73] process_backlog+0x101/0x620 [ 7767.113249][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7767.113249][ T73] net_rx_action+0x495/0xbe0 [ 7767.113249][ T73] __do_softirq+0x1b5/0x7f6 [ 7767.113249][ T73] [ 7767.114919][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7767.114919][ T73] netdev_get_by_index+0x5e/0x80 [ 7767.114919][ T73] fib6_nh_init+0x3d8/0x1580 [ 7767.114919][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7767.114919][ T73] ip6_route_add+0x1c/0x140 [ 7767.114919][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7767.114919][ T73] inet6_addr_add+0x4f8/0xa40 [ 7767.114919][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.114919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.114919][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.114919][ T73] netlink_unicast+0x449/0x710 [ 7767.114919][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.114919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.114919][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.114919][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.114919][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.114919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.114919][ T73] [ 7767.116953][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7767.116953][ T73] netdev_get_by_index+0x5e/0x80 [ 7767.116953][ T73] fib6_nh_init+0x3d8/0x1580 [ 7767.116953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7767.116953][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7767.116953][ T73] ipv6_add_addr+0x411/0x2000 [ 7767.116953][ T73] inet6_addr_add+0x30e/0xa40 [ 7767.116953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.116953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.116953][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.116953][ T73] netlink_unicast+0x449/0x710 [ 7767.116953][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.116953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.116953][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.116953][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.116953][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.116953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.116953][ T73] [ 7767.118989][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7767.118989][ T73] netdev_get_by_index+0x5e/0x80 [ 7767.118989][ T73] fib6_nh_init+0x3d8/0x1580 [ 7767.118989][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7767.118989][ T73] ip6_route_add+0x1c/0x140 [ 7767.118989][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7767.118989][ T73] addrconf_add_dev+0xe2/0x170 [ 7767.118989][ T73] inet6_addr_add+0x12f/0xa40 [ 7767.118989][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7767.118989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.118989][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.118989][ T73] netlink_unicast+0x449/0x710 [ 7767.118989][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.118989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.118989][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.118989][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.118989][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.118989][ T73] [ 7767.120969][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7767.120969][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7767.120969][ T73] ipv6_find_idev+0x102/0x170 [ 7767.120969][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7767.120969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.120969][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.120969][ T73] netlink_unicast+0x449/0x710 [ 7767.120969][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.120969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.120969][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.120969][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.120969][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.120969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.120969][ T73] [ 7767.122512][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7767.122512][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7767.122512][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7767.122512][ T73] ipv6_find_idev+0x102/0x170 [ 7767.122512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7767.122512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7767.122512][ T73] netlink_rcv_skb+0x130/0x360 [ 7767.122512][ T73] netlink_unicast+0x449/0x710 [ 7767.122512][ T73] netlink_sendmsg+0x723/0xbe0 [ 7767.122512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7767.122512][ T73] ___sys_sendmsg+0xee/0x170 [ 7767.122512][ T73] __sys_sendmsg+0xcd/0x170 [ 7767.122512][ T73] do_syscall_64+0xc6/0x1e0 [ 7767.122512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7767.122512][ T73] [ 7768.085707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7768.086225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7768.086225][ T1076] netdev_get_by_index+0x5e/0x80 [ 7768.086225][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7768.086225][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7768.086225][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7768.086225][ T1076] ipv6_add_addr+0x411/0x2000 [ 7768.086225][ T1076] inet6_addr_add+0x30e/0xa40 [ 7768.086225][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7768.086225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7768.086225][ T1076] netlink_rcv_skb+0x130/0x360 [ 7768.086225][ T1076] netlink_unicast+0x449/0x710 [ 7768.086225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7768.086225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7768.086225][ T1076] ___sys_sendmsg+0xee/0x170 [ 7768.086225][ T1076] __sys_sendmsg+0xcd/0x170 [ 7768.086225][ T1076] do_syscall_64+0xc6/0x1e0 [ 7768.086225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7768.086225][ T1076] [ 7768.088541][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7768.088541][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7768.088541][ T1076] ipv6_find_idev+0x102/0x170 [ 7768.088541][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7768.088541][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7768.088541][ T1076] netlink_rcv_skb+0x130/0x360 [ 7768.088541][ T1076] netlink_unicast+0x449/0x710 [ 7768.088541][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7768.088541][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7768.088541][ T1076] ___sys_sendmsg+0xee/0x170 [ 7768.088541][ T1076] __sys_sendmsg+0xcd/0x170 [ 7768.088541][ T1076] do_syscall_64+0xc6/0x1e0 [ 7768.088541][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7768.088541][ T1076] [ 7768.090284][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7768.090284][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7768.090284][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7768.090284][ T1076] ipv6_find_idev+0x102/0x170 [ 7768.090284][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7768.090284][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7768.090284][ T1076] netlink_rcv_skb+0x130/0x360 [ 7768.090284][ T1076] netlink_unicast+0x449/0x710 [ 7768.090284][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7768.090284][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7768.090284][ T1076] ___sys_sendmsg+0xee/0x170 [ 7768.090284][ T1076] __sys_sendmsg+0xcd/0x170 [ 7768.090284][ T1076] do_syscall_64+0xc6/0x1e0 [ 7768.090284][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7768.090284][ T1076] [ 7777.149701][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7777.150135][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7777.150135][ T73] dst_init+0x84/0x4a0 [ 7777.150135][ T73] dst_alloc+0x97/0x150 [ 7777.150135][ T73] ip6_dst_alloc+0x23/0x90 [ 7777.150135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7777.150135][ T73] ip6_pol_route+0x56f/0x840 [ 7777.150135][ T73] fib6_rule_lookup+0x456/0x630 [ 7777.150135][ T73] ip6_route_input+0x59c/0xa50 [ 7777.150135][ T73] ipv6_rcv+0x397/0x810 [ 7777.150135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7777.150135][ T73] process_backlog+0x101/0x620 [ 7777.150135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7777.150135][ T73] net_rx_action+0x495/0xbe0 [ 7777.150135][ T73] __do_softirq+0x1b5/0x7f6 [ 7777.150135][ T73] [ 7777.151818][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7777.151818][ T73] netdev_get_by_index+0x5e/0x80 [ 7777.151818][ T73] fib6_nh_init+0x3d8/0x1580 [ 7777.151818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7777.151818][ T73] ip6_route_add+0x1c/0x140 [ 7777.151818][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7777.151818][ T73] inet6_addr_add+0x4f8/0xa40 [ 7777.151818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.151818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.151818][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.151818][ T73] netlink_unicast+0x449/0x710 [ 7777.151818][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.151818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.151818][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.151818][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.151818][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.151818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.151818][ T73] [ 7777.153831][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7777.153831][ T73] netdev_get_by_index+0x5e/0x80 [ 7777.153831][ T73] fib6_nh_init+0x3d8/0x1580 [ 7777.153831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7777.153831][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7777.153831][ T73] ipv6_add_addr+0x411/0x2000 [ 7777.153831][ T73] inet6_addr_add+0x30e/0xa40 [ 7777.153831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.153831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.153831][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.153831][ T73] netlink_unicast+0x449/0x710 [ 7777.153831][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.153831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.153831][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.153831][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.153831][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.153831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.153831][ T73] [ 7777.155837][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7777.155837][ T73] netdev_get_by_index+0x5e/0x80 [ 7777.155837][ T73] fib6_nh_init+0x3d8/0x1580 [ 7777.155837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7777.155837][ T73] ip6_route_add+0x1c/0x140 [ 7777.155837][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7777.155837][ T73] addrconf_add_dev+0xe2/0x170 [ 7777.155837][ T73] inet6_addr_add+0x12f/0xa40 [ 7777.155837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.155837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.155837][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.155837][ T73] netlink_unicast+0x449/0x710 [ 7777.155837][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.155837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.155837][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.155837][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.155837][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.155837][ T73] [ 7777.157811][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7777.157811][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7777.157811][ T73] ipv6_find_idev+0x102/0x170 [ 7777.157811][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.157811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.157811][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.157811][ T73] netlink_unicast+0x449/0x710 [ 7777.157811][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.157811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.157811][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.157811][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.157811][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.157811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.157811][ T73] [ 7777.159366][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7777.159366][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7777.159366][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7777.159366][ T73] ipv6_find_idev+0x102/0x170 [ 7777.159366][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.159366][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.159366][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.159366][ T73] netlink_unicast+0x449/0x710 [ 7777.159366][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.159366][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.159366][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.159366][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.159366][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.159366][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.159366][ T73] [ 7777.161090][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7777.161335][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7777.161335][ T73] dst_init+0x84/0x4a0 [ 7777.161335][ T73] dst_alloc+0x97/0x150 [ 7777.161335][ T73] ip6_dst_alloc+0x23/0x90 [ 7777.161335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7777.161335][ T73] ip6_pol_route+0x56f/0x840 [ 7777.161335][ T73] fib6_rule_lookup+0x456/0x630 [ 7777.161335][ T73] ip6_route_input+0x59c/0xa50 [ 7777.161335][ T73] ipv6_rcv+0x397/0x810 [ 7777.161335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7777.161335][ T73] process_backlog+0x101/0x620 [ 7777.161335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7777.161335][ T73] net_rx_action+0x495/0xbe0 [ 7777.161335][ T73] __do_softirq+0x1b5/0x7f6 [ 7777.161335][ T73] [ 7777.162976][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7777.162976][ T73] netdev_get_by_index+0x5e/0x80 [ 7777.162976][ T73] fib6_nh_init+0x3d8/0x1580 [ 7777.162976][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7777.162976][ T73] ip6_route_add+0x1c/0x140 [ 7777.162976][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7777.162976][ T73] inet6_addr_add+0x4f8/0xa40 [ 7777.162976][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.162976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.162976][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.162976][ T73] netlink_unicast+0x449/0x710 [ 7777.162976][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.162976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.162976][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.162976][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.162976][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.162976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.162976][ T73] [ 7777.164984][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7777.164984][ T73] netdev_get_by_index+0x5e/0x80 [ 7777.164984][ T73] fib6_nh_init+0x3d8/0x1580 [ 7777.164984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7777.164984][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7777.164984][ T73] ipv6_add_addr+0x411/0x2000 [ 7777.164984][ T73] inet6_addr_add+0x30e/0xa40 [ 7777.164984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.164984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.164984][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.164984][ T73] netlink_unicast+0x449/0x710 [ 7777.164984][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.164984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.164984][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.164984][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.164984][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.164984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.164984][ T73] [ 7777.166996][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7777.166996][ T73] netdev_get_by_index+0x5e/0x80 [ 7777.166996][ T73] fib6_nh_init+0x3d8/0x1580 [ 7777.166996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7777.166996][ T73] ip6_route_add+0x1c/0x140 [ 7777.166996][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7777.166996][ T73] addrconf_add_dev+0xe2/0x170 [ 7777.166996][ T73] inet6_addr_add+0x12f/0xa40 [ 7777.166996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7777.166996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.166996][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.166996][ T73] netlink_unicast+0x449/0x710 [ 7777.166996][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.166996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.166996][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.166996][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.166996][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.166996][ T73] [ 7777.168979][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7777.168979][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7777.168979][ T73] ipv6_find_idev+0x102/0x170 [ 7777.168979][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.168979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.168979][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.168979][ T73] netlink_unicast+0x449/0x710 [ 7777.168979][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.168979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.168979][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.168979][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.168979][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.168979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.168979][ T73] [ 7777.170533][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7777.170533][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7777.170533][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7777.170533][ T73] ipv6_find_idev+0x102/0x170 [ 7777.170533][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7777.170533][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7777.170533][ T73] netlink_rcv_skb+0x130/0x360 [ 7777.170533][ T73] netlink_unicast+0x449/0x710 [ 7777.170533][ T73] netlink_sendmsg+0x723/0xbe0 [ 7777.170533][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7777.170533][ T73] ___sys_sendmsg+0xee/0x170 [ 7777.170533][ T73] __sys_sendmsg+0xcd/0x170 [ 7777.170533][ T73] do_syscall_64+0xc6/0x1e0 [ 7777.170533][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7777.170533][ T73] [ 7778.333725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7778.334236][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7778.334236][ T1076] netdev_get_by_index+0x5e/0x80 [ 7778.334236][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7778.334236][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7778.334236][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7778.334236][ T1076] ipv6_add_addr+0x411/0x2000 [ 7778.334236][ T1076] inet6_addr_add+0x30e/0xa40 [ 7778.334236][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7778.334236][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7778.334236][ T1076] netlink_rcv_skb+0x130/0x360 [ 7778.334236][ T1076] netlink_unicast+0x449/0x710 [ 7778.334236][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7778.334236][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7778.334236][ T1076] ___sys_sendmsg+0xee/0x170 [ 7778.334236][ T1076] __sys_sendmsg+0xcd/0x170 [ 7778.334236][ T1076] do_syscall_64+0xc6/0x1e0 [ 7778.334236][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7778.334236][ T1076] [ 7778.336545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7778.336545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7778.336545][ T1076] ipv6_find_idev+0x102/0x170 [ 7778.336545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7778.336545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7778.336545][ T1076] netlink_rcv_skb+0x130/0x360 [ 7778.336545][ T1076] netlink_unicast+0x449/0x710 [ 7778.336545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7778.336545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7778.336545][ T1076] ___sys_sendmsg+0xee/0x170 [ 7778.336545][ T1076] __sys_sendmsg+0xcd/0x170 [ 7778.336545][ T1076] do_syscall_64+0xc6/0x1e0 [ 7778.336545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7778.336545][ T1076] [ 7778.338302][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7778.338302][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7778.338302][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7778.338302][ T1076] ipv6_find_idev+0x102/0x170 [ 7778.338302][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7778.338302][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7778.338302][ T1076] netlink_rcv_skb+0x130/0x360 [ 7778.338302][ T1076] netlink_unicast+0x449/0x710 [ 7778.338302][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7778.338302][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7778.338302][ T1076] ___sys_sendmsg+0xee/0x170 [ 7778.338302][ T1076] __sys_sendmsg+0xcd/0x170 [ 7778.338302][ T1076] do_syscall_64+0xc6/0x1e0 [ 7778.338302][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7778.338302][ T1076] [ 7787.413710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7787.414145][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7787.414145][ T73] dst_init+0x84/0x4a0 [ 7787.414145][ T73] dst_alloc+0x97/0x150 [ 7787.414145][ T73] ip6_dst_alloc+0x23/0x90 [ 7787.414145][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7787.414145][ T73] ip6_pol_route+0x56f/0x840 [ 7787.414145][ T73] fib6_rule_lookup+0x456/0x630 [ 7787.414145][ T73] ip6_route_input+0x59c/0xa50 [ 7787.414145][ T73] ipv6_rcv+0x397/0x810 [ 7787.414145][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7787.414145][ T73] process_backlog+0x101/0x620 [ 7787.414145][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7787.414145][ T73] net_rx_action+0x495/0xbe0 [ 7787.414145][ T73] __do_softirq+0x1b5/0x7f6 [ 7787.414145][ T73] [ 7787.415806][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7787.415806][ T73] netdev_get_by_index+0x5e/0x80 [ 7787.415806][ T73] fib6_nh_init+0x3d8/0x1580 [ 7787.415806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7787.415806][ T73] ip6_route_add+0x1c/0x140 [ 7787.415806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7787.415806][ T73] inet6_addr_add+0x4f8/0xa40 [ 7787.415806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.415806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.415806][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.415806][ T73] netlink_unicast+0x449/0x710 [ 7787.415806][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.415806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.415806][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.415806][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.415806][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.415806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.415806][ T73] [ 7787.417820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7787.417820][ T73] netdev_get_by_index+0x5e/0x80 [ 7787.417820][ T73] fib6_nh_init+0x3d8/0x1580 [ 7787.417820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7787.417820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7787.417820][ T73] ipv6_add_addr+0x411/0x2000 [ 7787.417820][ T73] inet6_addr_add+0x30e/0xa40 [ 7787.417820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.417820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.417820][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.417820][ T73] netlink_unicast+0x449/0x710 [ 7787.417820][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.417820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.417820][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.417820][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.417820][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.417820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.417820][ T73] [ 7787.419806][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7787.419806][ T73] netdev_get_by_index+0x5e/0x80 [ 7787.419806][ T73] fib6_nh_init+0x3d8/0x1580 [ 7787.419806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7787.419806][ T73] ip6_route_add+0x1c/0x140 [ 7787.419806][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7787.419806][ T73] addrconf_add_dev+0xe2/0x170 [ 7787.419806][ T73] inet6_addr_add+0x12f/0xa40 [ 7787.419806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.419806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.419806][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.419806][ T73] netlink_unicast+0x449/0x710 [ 7787.419806][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.419806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.419806][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.419806][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.419806][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.419806][ T73] [ 7787.421767][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7787.421767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7787.421767][ T73] ipv6_find_idev+0x102/0x170 [ 7787.421767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.421767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.421767][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.421767][ T73] netlink_unicast+0x449/0x710 [ 7787.421767][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.421767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.421767][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.421767][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.421767][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.421767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.421767][ T73] [ 7787.423300][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7787.423300][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7787.423300][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7787.423300][ T73] ipv6_find_idev+0x102/0x170 [ 7787.423300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.423300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.423300][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.423300][ T73] netlink_unicast+0x449/0x710 [ 7787.423300][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.423300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.423300][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.423300][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.423300][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.423300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.423300][ T73] [ 7787.424978][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7787.425214][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7787.425214][ T73] dst_init+0x84/0x4a0 [ 7787.425214][ T73] dst_alloc+0x97/0x150 [ 7787.425214][ T73] ip6_dst_alloc+0x23/0x90 [ 7787.425214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7787.425214][ T73] ip6_pol_route+0x56f/0x840 [ 7787.425214][ T73] fib6_rule_lookup+0x456/0x630 [ 7787.425214][ T73] ip6_route_input+0x59c/0xa50 [ 7787.425214][ T73] ipv6_rcv+0x397/0x810 [ 7787.425214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7787.425214][ T73] process_backlog+0x101/0x620 [ 7787.425214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7787.425214][ T73] net_rx_action+0x495/0xbe0 [ 7787.425214][ T73] __do_softirq+0x1b5/0x7f6 [ 7787.425214][ T73] [ 7787.426850][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7787.426850][ T73] netdev_get_by_index+0x5e/0x80 [ 7787.426850][ T73] fib6_nh_init+0x3d8/0x1580 [ 7787.426850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7787.426850][ T73] ip6_route_add+0x1c/0x140 [ 7787.426850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7787.426850][ T73] inet6_addr_add+0x4f8/0xa40 [ 7787.426850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.426850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.426850][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.426850][ T73] netlink_unicast+0x449/0x710 [ 7787.426850][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.426850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.426850][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.426850][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.426850][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.426850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.426850][ T73] [ 7787.428851][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7787.428851][ T73] netdev_get_by_index+0x5e/0x80 [ 7787.428851][ T73] fib6_nh_init+0x3d8/0x1580 [ 7787.428851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7787.428851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7787.428851][ T73] ipv6_add_addr+0x411/0x2000 [ 7787.428851][ T73] inet6_addr_add+0x30e/0xa40 [ 7787.428851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.428851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.428851][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.428851][ T73] netlink_unicast+0x449/0x710 [ 7787.428851][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.428851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.428851][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.428851][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.428851][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.428851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.428851][ T73] [ 7787.430843][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7787.430843][ T73] netdev_get_by_index+0x5e/0x80 [ 7787.430843][ T73] fib6_nh_init+0x3d8/0x1580 [ 7787.430843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7787.430843][ T73] ip6_route_add+0x1c/0x140 [ 7787.430843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7787.430843][ T73] addrconf_add_dev+0xe2/0x170 [ 7787.430843][ T73] inet6_addr_add+0x12f/0xa40 [ 7787.430843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7787.430843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.430843][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.430843][ T73] netlink_unicast+0x449/0x710 [ 7787.430843][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.430843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.430843][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.430843][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.430843][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.430843][ T73] [ 7787.432790][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7787.432790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7787.432790][ T73] ipv6_find_idev+0x102/0x170 [ 7787.432790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.432790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.432790][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.432790][ T73] netlink_unicast+0x449/0x710 [ 7787.432790][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.432790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.432790][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.432790][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.432790][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.432790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.432790][ T73] [ 7787.434323][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7787.434323][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7787.434323][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7787.434323][ T73] ipv6_find_idev+0x102/0x170 [ 7787.434323][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7787.434323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7787.434323][ T73] netlink_rcv_skb+0x130/0x360 [ 7787.434323][ T73] netlink_unicast+0x449/0x710 [ 7787.434323][ T73] netlink_sendmsg+0x723/0xbe0 [ 7787.434323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7787.434323][ T73] ___sys_sendmsg+0xee/0x170 [ 7787.434323][ T73] __sys_sendmsg+0xcd/0x170 [ 7787.434323][ T73] do_syscall_64+0xc6/0x1e0 [ 7787.434323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7787.434323][ T73] [ 7788.581666][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7788.582191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7788.582191][ T1076] netdev_get_by_index+0x5e/0x80 [ 7788.582191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7788.582191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7788.582191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7788.582191][ T1076] ipv6_add_addr+0x411/0x2000 [ 7788.582191][ T1076] inet6_addr_add+0x30e/0xa40 [ 7788.582191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7788.582191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7788.582191][ T1076] netlink_rcv_skb+0x130/0x360 [ 7788.582191][ T1076] netlink_unicast+0x449/0x710 [ 7788.582191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7788.582191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7788.582191][ T1076] ___sys_sendmsg+0xee/0x170 [ 7788.582191][ T1076] __sys_sendmsg+0xcd/0x170 [ 7788.582191][ T1076] do_syscall_64+0xc6/0x1e0 [ 7788.582191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7788.582191][ T1076] [ 7788.584475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7788.584475][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7788.584475][ T1076] ipv6_find_idev+0x102/0x170 [ 7788.584475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7788.584475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7788.584475][ T1076] netlink_rcv_skb+0x130/0x360 [ 7788.584475][ T1076] netlink_unicast+0x449/0x710 [ 7788.584475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7788.584475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7788.584475][ T1076] ___sys_sendmsg+0xee/0x170 [ 7788.584475][ T1076] __sys_sendmsg+0xcd/0x170 [ 7788.584475][ T1076] do_syscall_64+0xc6/0x1e0 [ 7788.584475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7788.584475][ T1076] [ 7788.586224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7788.586224][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7788.586224][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7788.586224][ T1076] ipv6_find_idev+0x102/0x170 [ 7788.586224][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7788.586224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7788.586224][ T1076] netlink_rcv_skb+0x130/0x360 [ 7788.586224][ T1076] netlink_unicast+0x449/0x710 [ 7788.586224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7788.586224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7788.586224][ T1076] ___sys_sendmsg+0xee/0x170 [ 7788.586224][ T1076] __sys_sendmsg+0xcd/0x170 [ 7788.586224][ T1076] do_syscall_64+0xc6/0x1e0 [ 7788.586224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7788.586224][ T1076] [ 7797.677752][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7797.678169][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7797.678169][ T73] dst_init+0x84/0x4a0 [ 7797.678169][ T73] dst_alloc+0x97/0x150 [ 7797.678169][ T73] ip6_dst_alloc+0x23/0x90 [ 7797.678169][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7797.678169][ T73] ip6_pol_route+0x56f/0x840 [ 7797.678169][ T73] fib6_rule_lookup+0x456/0x630 [ 7797.678169][ T73] ip6_route_input+0x59c/0xa50 [ 7797.678169][ T73] ipv6_rcv+0x397/0x810 [ 7797.678169][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7797.678169][ T73] process_backlog+0x101/0x620 [ 7797.678169][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7797.678169][ T73] net_rx_action+0x495/0xbe0 [ 7797.678169][ T73] __do_softirq+0x1b5/0x7f6 [ 7797.678169][ T73] [ 7797.679851][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7797.679851][ T73] netdev_get_by_index+0x5e/0x80 [ 7797.679851][ T73] fib6_nh_init+0x3d8/0x1580 [ 7797.679851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7797.679851][ T73] ip6_route_add+0x1c/0x140 [ 7797.679851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7797.679851][ T73] inet6_addr_add+0x4f8/0xa40 [ 7797.679851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.679851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.679851][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.679851][ T73] netlink_unicast+0x449/0x710 [ 7797.679851][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.679851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.679851][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.679851][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.679851][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.679851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.679851][ T73] [ 7797.681854][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7797.681854][ T73] netdev_get_by_index+0x5e/0x80 [ 7797.681854][ T73] fib6_nh_init+0x3d8/0x1580 [ 7797.681854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7797.681854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7797.681854][ T73] ipv6_add_addr+0x411/0x2000 [ 7797.681854][ T73] inet6_addr_add+0x30e/0xa40 [ 7797.681854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.681854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.681854][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.681854][ T73] netlink_unicast+0x449/0x710 [ 7797.681854][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.681854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.681854][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.681854][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.681854][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.681854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.681854][ T73] [ 7797.683842][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7797.683842][ T73] netdev_get_by_index+0x5e/0x80 [ 7797.683842][ T73] fib6_nh_init+0x3d8/0x1580 [ 7797.683842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7797.683842][ T73] ip6_route_add+0x1c/0x140 [ 7797.683842][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7797.683842][ T73] addrconf_add_dev+0xe2/0x170 [ 7797.683842][ T73] inet6_addr_add+0x12f/0xa40 [ 7797.683842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.683842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.683842][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.683842][ T73] netlink_unicast+0x449/0x710 [ 7797.683842][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.683842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.683842][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.683842][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.683842][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.683842][ T73] [ 7797.685809][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7797.685809][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7797.685809][ T73] ipv6_find_idev+0x102/0x170 [ 7797.685809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.685809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.685809][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.685809][ T73] netlink_unicast+0x449/0x710 [ 7797.685809][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.685809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.685809][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.685809][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.685809][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.685809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.685809][ T73] [ 7797.687370][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7797.687370][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7797.687370][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7797.687370][ T73] ipv6_find_idev+0x102/0x170 [ 7797.687370][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.687370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.687370][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.687370][ T73] netlink_unicast+0x449/0x710 [ 7797.687370][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.687370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.687370][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.687370][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.687370][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.687370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.687370][ T73] [ 7797.689043][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7797.689291][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7797.689291][ T73] dst_init+0x84/0x4a0 [ 7797.689291][ T73] dst_alloc+0x97/0x150 [ 7797.689291][ T73] ip6_dst_alloc+0x23/0x90 [ 7797.689291][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7797.689291][ T73] ip6_pol_route+0x56f/0x840 [ 7797.689291][ T73] fib6_rule_lookup+0x456/0x630 [ 7797.689291][ T73] ip6_route_input+0x59c/0xa50 [ 7797.689291][ T73] ipv6_rcv+0x397/0x810 [ 7797.689291][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7797.689291][ T73] process_backlog+0x101/0x620 [ 7797.689291][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7797.689291][ T73] net_rx_action+0x495/0xbe0 [ 7797.689291][ T73] __do_softirq+0x1b5/0x7f6 [ 7797.689291][ T73] [ 7797.690913][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7797.690913][ T73] netdev_get_by_index+0x5e/0x80 [ 7797.690913][ T73] fib6_nh_init+0x3d8/0x1580 [ 7797.690913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7797.690913][ T73] ip6_route_add+0x1c/0x140 [ 7797.690913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7797.690913][ T73] inet6_addr_add+0x4f8/0xa40 [ 7797.690913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.690913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.690913][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.690913][ T73] netlink_unicast+0x449/0x710 [ 7797.690913][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.690913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.690913][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.690913][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.690913][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.690913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.690913][ T73] [ 7797.692905][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7797.692905][ T73] netdev_get_by_index+0x5e/0x80 [ 7797.692905][ T73] fib6_nh_init+0x3d8/0x1580 [ 7797.692905][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7797.692905][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7797.692905][ T73] ipv6_add_addr+0x411/0x2000 [ 7797.692905][ T73] inet6_addr_add+0x30e/0xa40 [ 7797.692905][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.692905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.692905][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.692905][ T73] netlink_unicast+0x449/0x710 [ 7797.692905][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.692905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.692905][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.692905][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.692905][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.692905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.692905][ T73] [ 7797.694891][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7797.694891][ T73] netdev_get_by_index+0x5e/0x80 [ 7797.694891][ T73] fib6_nh_init+0x3d8/0x1580 [ 7797.694891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7797.694891][ T73] ip6_route_add+0x1c/0x140 [ 7797.694891][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7797.694891][ T73] addrconf_add_dev+0xe2/0x170 [ 7797.694891][ T73] inet6_addr_add+0x12f/0xa40 [ 7797.694891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7797.694891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.694891][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.694891][ T73] netlink_unicast+0x449/0x710 [ 7797.694891][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.694891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.694891][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.694891][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.694891][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.694891][ T73] [ 7797.696841][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7797.696841][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7797.696841][ T73] ipv6_find_idev+0x102/0x170 [ 7797.696841][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.696841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.696841][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.696841][ T73] netlink_unicast+0x449/0x710 [ 7797.696841][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.696841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.696841][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.696841][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.696841][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.696841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.696841][ T73] [ 7797.698383][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7797.698383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7797.698383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7797.698383][ T73] ipv6_find_idev+0x102/0x170 [ 7797.698383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7797.698383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7797.698383][ T73] netlink_rcv_skb+0x130/0x360 [ 7797.698383][ T73] netlink_unicast+0x449/0x710 [ 7797.698383][ T73] netlink_sendmsg+0x723/0xbe0 [ 7797.698383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7797.698383][ T73] ___sys_sendmsg+0xee/0x170 [ 7797.698383][ T73] __sys_sendmsg+0xcd/0x170 [ 7797.698383][ T73] do_syscall_64+0xc6/0x1e0 [ 7797.698383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7797.698383][ T73] [ 7798.829741][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7798.830264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7798.830264][ T1076] netdev_get_by_index+0x5e/0x80 [ 7798.830264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7798.830264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7798.830264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7798.830264][ T1076] ipv6_add_addr+0x411/0x2000 [ 7798.830264][ T1076] inet6_addr_add+0x30e/0xa40 [ 7798.830264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7798.830264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7798.830264][ T1076] netlink_rcv_skb+0x130/0x360 [ 7798.830264][ T1076] netlink_unicast+0x449/0x710 [ 7798.830264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7798.830264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7798.830264][ T1076] ___sys_sendmsg+0xee/0x170 [ 7798.830264][ T1076] __sys_sendmsg+0xcd/0x170 [ 7798.830264][ T1076] do_syscall_64+0xc6/0x1e0 [ 7798.830264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7798.830264][ T1076] [ 7798.832558][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7798.832558][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7798.832558][ T1076] ipv6_find_idev+0x102/0x170 [ 7798.832558][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7798.832558][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7798.832558][ T1076] netlink_rcv_skb+0x130/0x360 [ 7798.832558][ T1076] netlink_unicast+0x449/0x710 [ 7798.832558][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7798.832558][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7798.832558][ T1076] ___sys_sendmsg+0xee/0x170 [ 7798.832558][ T1076] __sys_sendmsg+0xcd/0x170 [ 7798.832558][ T1076] do_syscall_64+0xc6/0x1e0 [ 7798.832558][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7798.832558][ T1076] [ 7798.834313][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7798.834313][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7798.834313][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7798.834313][ T1076] ipv6_find_idev+0x102/0x170 [ 7798.834313][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7798.834313][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7798.834313][ T1076] netlink_rcv_skb+0x130/0x360 [ 7798.834313][ T1076] netlink_unicast+0x449/0x710 [ 7798.834313][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7798.834313][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7798.834313][ T1076] ___sys_sendmsg+0xee/0x170 [ 7798.834313][ T1076] __sys_sendmsg+0xcd/0x170 [ 7798.834313][ T1076] do_syscall_64+0xc6/0x1e0 [ 7798.834313][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7798.834313][ T1076] [ 7807.941731][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7807.942163][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7807.942163][ T73] dst_init+0x84/0x4a0 [ 7807.942163][ T73] dst_alloc+0x97/0x150 [ 7807.942163][ T73] ip6_dst_alloc+0x23/0x90 [ 7807.942163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7807.942163][ T73] ip6_pol_route+0x56f/0x840 [ 7807.942163][ T73] fib6_rule_lookup+0x456/0x630 [ 7807.942163][ T73] ip6_route_input+0x59c/0xa50 [ 7807.942163][ T73] ipv6_rcv+0x397/0x810 [ 7807.942163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7807.942163][ T73] process_backlog+0x101/0x620 [ 7807.942163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7807.942163][ T73] net_rx_action+0x495/0xbe0 [ 7807.942163][ T73] __do_softirq+0x1b5/0x7f6 [ 7807.942163][ T73] [ 7807.943825][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7807.943825][ T73] netdev_get_by_index+0x5e/0x80 [ 7807.943825][ T73] fib6_nh_init+0x3d8/0x1580 [ 7807.943825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7807.943825][ T73] ip6_route_add+0x1c/0x140 [ 7807.943825][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7807.943825][ T73] inet6_addr_add+0x4f8/0xa40 [ 7807.943825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.943825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.943825][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.943825][ T73] netlink_unicast+0x449/0x710 [ 7807.943825][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.943825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.943825][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.943825][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.943825][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.943825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.943825][ T73] [ 7807.945830][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7807.945830][ T73] netdev_get_by_index+0x5e/0x80 [ 7807.945830][ T73] fib6_nh_init+0x3d8/0x1580 [ 7807.945830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7807.945830][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7807.945830][ T73] ipv6_add_addr+0x411/0x2000 [ 7807.945830][ T73] inet6_addr_add+0x30e/0xa40 [ 7807.945830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.945830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.945830][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.945830][ T73] netlink_unicast+0x449/0x710 [ 7807.945830][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.945830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.945830][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.945830][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.945830][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.945830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.945830][ T73] [ 7807.947911][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7807.947911][ T73] netdev_get_by_index+0x5e/0x80 [ 7807.947911][ T73] fib6_nh_init+0x3d8/0x1580 [ 7807.947911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7807.947911][ T73] ip6_route_add+0x1c/0x140 [ 7807.947911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7807.947911][ T73] addrconf_add_dev+0xe2/0x170 [ 7807.947911][ T73] inet6_addr_add+0x12f/0xa40 [ 7807.947911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.947911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.947911][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.947911][ T73] netlink_unicast+0x449/0x710 [ 7807.947911][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.947911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.947911][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.947911][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.947911][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.947911][ T73] [ 7807.949884][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7807.949884][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7807.949884][ T73] ipv6_find_idev+0x102/0x170 [ 7807.949884][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7807.949884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.949884][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.949884][ T73] netlink_unicast+0x449/0x710 [ 7807.949884][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.949884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.949884][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.949884][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.949884][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.949884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.949884][ T73] [ 7807.951427][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7807.951427][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7807.951427][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7807.951427][ T73] ipv6_find_idev+0x102/0x170 [ 7807.951427][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7807.951427][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.951427][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.951427][ T73] netlink_unicast+0x449/0x710 [ 7807.951427][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.951427][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.951427][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.951427][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.951427][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.951427][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.951427][ T73] [ 7807.953125][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7807.953371][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7807.953371][ T73] dst_init+0x84/0x4a0 [ 7807.953371][ T73] dst_alloc+0x97/0x150 [ 7807.953371][ T73] ip6_dst_alloc+0x23/0x90 [ 7807.953371][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7807.953371][ T73] ip6_pol_route+0x56f/0x840 [ 7807.953371][ T73] fib6_rule_lookup+0x456/0x630 [ 7807.953371][ T73] ip6_route_input+0x59c/0xa50 [ 7807.953371][ T73] ipv6_rcv+0x397/0x810 [ 7807.953371][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7807.953371][ T73] process_backlog+0x101/0x620 [ 7807.953371][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7807.953371][ T73] net_rx_action+0x495/0xbe0 [ 7807.953371][ T73] __do_softirq+0x1b5/0x7f6 [ 7807.953371][ T73] [ 7807.955018][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7807.955018][ T73] netdev_get_by_index+0x5e/0x80 [ 7807.955018][ T73] fib6_nh_init+0x3d8/0x1580 [ 7807.955018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7807.955018][ T73] ip6_route_add+0x1c/0x140 [ 7807.955018][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7807.955018][ T73] inet6_addr_add+0x4f8/0xa40 [ 7807.955018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.955018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.955018][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.955018][ T73] netlink_unicast+0x449/0x710 [ 7807.955018][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.955018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.955018][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.955018][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.955018][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.955018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.955018][ T73] [ 7807.957023][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7807.957023][ T73] netdev_get_by_index+0x5e/0x80 [ 7807.957023][ T73] fib6_nh_init+0x3d8/0x1580 [ 7807.957023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7807.957023][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7807.957023][ T73] ipv6_add_addr+0x411/0x2000 [ 7807.957023][ T73] inet6_addr_add+0x30e/0xa40 [ 7807.957023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.957023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.957023][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.957023][ T73] netlink_unicast+0x449/0x710 [ 7807.957023][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.957023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.957023][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.957023][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.957023][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.957023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.957023][ T73] [ 7807.959014][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7807.959014][ T73] netdev_get_by_index+0x5e/0x80 [ 7807.959014][ T73] fib6_nh_init+0x3d8/0x1580 [ 7807.959014][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7807.959014][ T73] ip6_route_add+0x1c/0x140 [ 7807.959014][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7807.959014][ T73] addrconf_add_dev+0xe2/0x170 [ 7807.959014][ T73] inet6_addr_add+0x12f/0xa40 [ 7807.959014][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7807.959014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.959014][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.959014][ T73] netlink_unicast+0x449/0x710 [ 7807.959014][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.959014][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.959014][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.959014][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.959014][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.959014][ T73] [ 7807.960978][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7807.960978][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7807.960978][ T73] ipv6_find_idev+0x102/0x170 [ 7807.960978][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7807.960978][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.960978][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.960978][ T73] netlink_unicast+0x449/0x710 [ 7807.960978][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.960978][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.960978][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.960978][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.960978][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.960978][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.960978][ T73] [ 7807.962509][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7807.962509][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7807.962509][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7807.962509][ T73] ipv6_find_idev+0x102/0x170 [ 7807.962509][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7807.962509][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7807.962509][ T73] netlink_rcv_skb+0x130/0x360 [ 7807.962509][ T73] netlink_unicast+0x449/0x710 [ 7807.962509][ T73] netlink_sendmsg+0x723/0xbe0 [ 7807.962509][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7807.962509][ T73] ___sys_sendmsg+0xee/0x170 [ 7807.962509][ T73] __sys_sendmsg+0xcd/0x170 [ 7807.962509][ T73] do_syscall_64+0xc6/0x1e0 [ 7807.962509][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7807.962509][ T73] [ 7809.077764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7809.078268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7809.078268][ T1076] netdev_get_by_index+0x5e/0x80 [ 7809.078268][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7809.078268][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7809.078268][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7809.078268][ T1076] ipv6_add_addr+0x411/0x2000 [ 7809.078268][ T1076] inet6_addr_add+0x30e/0xa40 [ 7809.078268][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7809.078268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7809.078268][ T1076] netlink_rcv_skb+0x130/0x360 [ 7809.078268][ T1076] netlink_unicast+0x449/0x710 [ 7809.078268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7809.078268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7809.078268][ T1076] ___sys_sendmsg+0xee/0x170 [ 7809.078268][ T1076] __sys_sendmsg+0xcd/0x170 [ 7809.078268][ T1076] do_syscall_64+0xc6/0x1e0 [ 7809.078268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7809.078268][ T1076] [ 7809.080547][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7809.080547][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7809.080547][ T1076] ipv6_find_idev+0x102/0x170 [ 7809.080547][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7809.080547][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7809.080547][ T1076] netlink_rcv_skb+0x130/0x360 [ 7809.080547][ T1076] netlink_unicast+0x449/0x710 [ 7809.080547][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7809.080547][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7809.080547][ T1076] ___sys_sendmsg+0xee/0x170 [ 7809.080547][ T1076] __sys_sendmsg+0xcd/0x170 [ 7809.080547][ T1076] do_syscall_64+0xc6/0x1e0 [ 7809.080547][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7809.080547][ T1076] [ 7809.082284][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7809.082284][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7809.082284][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7809.082284][ T1076] ipv6_find_idev+0x102/0x170 [ 7809.082284][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7809.082284][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7809.082284][ T1076] netlink_rcv_skb+0x130/0x360 [ 7809.082284][ T1076] netlink_unicast+0x449/0x710 [ 7809.082284][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7809.082284][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7809.082284][ T1076] ___sys_sendmsg+0xee/0x170 [ 7809.082284][ T1076] __sys_sendmsg+0xcd/0x170 [ 7809.082284][ T1076] do_syscall_64+0xc6/0x1e0 [ 7809.082284][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7809.082284][ T1076] [ 7818.205727][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7818.206157][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7818.206157][ T73] dst_init+0x84/0x4a0 [ 7818.206157][ T73] dst_alloc+0x97/0x150 [ 7818.206157][ T73] ip6_dst_alloc+0x23/0x90 [ 7818.206157][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7818.206157][ T73] ip6_pol_route+0x56f/0x840 [ 7818.206157][ T73] fib6_rule_lookup+0x456/0x630 [ 7818.206157][ T73] ip6_route_input+0x59c/0xa50 [ 7818.206157][ T73] ipv6_rcv+0x397/0x810 [ 7818.206157][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7818.206157][ T73] process_backlog+0x101/0x620 [ 7818.206157][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7818.206157][ T73] net_rx_action+0x495/0xbe0 [ 7818.206157][ T73] __do_softirq+0x1b5/0x7f6 [ 7818.206157][ T73] [ 7818.207835][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7818.207835][ T73] netdev_get_by_index+0x5e/0x80 [ 7818.207835][ T73] fib6_nh_init+0x3d8/0x1580 [ 7818.207835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7818.207835][ T73] ip6_route_add+0x1c/0x140 [ 7818.207835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7818.207835][ T73] inet6_addr_add+0x4f8/0xa40 [ 7818.207835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.207835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.207835][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.207835][ T73] netlink_unicast+0x449/0x710 [ 7818.207835][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.207835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.207835][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.207835][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.207835][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.207835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.207835][ T73] [ 7818.209829][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7818.209829][ T73] netdev_get_by_index+0x5e/0x80 [ 7818.209829][ T73] fib6_nh_init+0x3d8/0x1580 [ 7818.209829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7818.209829][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7818.209829][ T73] ipv6_add_addr+0x411/0x2000 [ 7818.209829][ T73] inet6_addr_add+0x30e/0xa40 [ 7818.209829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.209829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.209829][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.209829][ T73] netlink_unicast+0x449/0x710 [ 7818.209829][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.209829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.209829][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.209829][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.209829][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.209829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.209829][ T73] [ 7818.211810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7818.211810][ T73] netdev_get_by_index+0x5e/0x80 [ 7818.211810][ T73] fib6_nh_init+0x3d8/0x1580 [ 7818.211810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7818.211810][ T73] ip6_route_add+0x1c/0x140 [ 7818.211810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7818.211810][ T73] addrconf_add_dev+0xe2/0x170 [ 7818.211810][ T73] inet6_addr_add+0x12f/0xa40 [ 7818.211810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.211810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.211810][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.211810][ T73] netlink_unicast+0x449/0x710 [ 7818.211810][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.211810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.211810][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.211810][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.211810][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.211810][ T73] [ 7818.213766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7818.213766][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7818.213766][ T73] ipv6_find_idev+0x102/0x170 [ 7818.213766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.213766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.213766][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.213766][ T73] netlink_unicast+0x449/0x710 [ 7818.213766][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.213766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.213766][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.213766][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.213766][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.213766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.213766][ T73] [ 7818.215294][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7818.215294][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7818.215294][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7818.215294][ T73] ipv6_find_idev+0x102/0x170 [ 7818.215294][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.215294][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.215294][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.215294][ T73] netlink_unicast+0x449/0x710 [ 7818.215294][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.215294][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.215294][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.215294][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.215294][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.215294][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.215294][ T73] [ 7818.216992][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7818.217230][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7818.217230][ T73] dst_init+0x84/0x4a0 [ 7818.217230][ T73] dst_alloc+0x97/0x150 [ 7818.217230][ T73] ip6_dst_alloc+0x23/0x90 [ 7818.217230][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7818.217230][ T73] ip6_pol_route+0x56f/0x840 [ 7818.217230][ T73] fib6_rule_lookup+0x456/0x630 [ 7818.217230][ T73] ip6_route_input+0x59c/0xa50 [ 7818.217230][ T73] ipv6_rcv+0x397/0x810 [ 7818.217230][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7818.217230][ T73] process_backlog+0x101/0x620 [ 7818.217230][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7818.217230][ T73] net_rx_action+0x495/0xbe0 [ 7818.217230][ T73] __do_softirq+0x1b5/0x7f6 [ 7818.217230][ T73] [ 7818.218851][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7818.218851][ T73] netdev_get_by_index+0x5e/0x80 [ 7818.218851][ T73] fib6_nh_init+0x3d8/0x1580 [ 7818.218851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7818.218851][ T73] ip6_route_add+0x1c/0x140 [ 7818.218851][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7818.218851][ T73] inet6_addr_add+0x4f8/0xa40 [ 7818.218851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.218851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.218851][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.218851][ T73] netlink_unicast+0x449/0x710 [ 7818.218851][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.218851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.218851][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.218851][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.218851][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.218851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.218851][ T73] [ 7818.220839][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7818.220839][ T73] netdev_get_by_index+0x5e/0x80 [ 7818.220839][ T73] fib6_nh_init+0x3d8/0x1580 [ 7818.220839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7818.220839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7818.220839][ T73] ipv6_add_addr+0x411/0x2000 [ 7818.220839][ T73] inet6_addr_add+0x30e/0xa40 [ 7818.220839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.220839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.220839][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.220839][ T73] netlink_unicast+0x449/0x710 [ 7818.220839][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.220839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.220839][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.220839][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.220839][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.220839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.220839][ T73] [ 7818.222827][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7818.222827][ T73] netdev_get_by_index+0x5e/0x80 [ 7818.222827][ T73] fib6_nh_init+0x3d8/0x1580 [ 7818.222827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7818.222827][ T73] ip6_route_add+0x1c/0x140 [ 7818.222827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7818.222827][ T73] addrconf_add_dev+0xe2/0x170 [ 7818.222827][ T73] inet6_addr_add+0x12f/0xa40 [ 7818.222827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7818.222827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.222827][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.222827][ T73] netlink_unicast+0x449/0x710 [ 7818.222827][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.222827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.222827][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.222827][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.222827][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.222827][ T73] [ 7818.224776][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7818.224776][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7818.224776][ T73] ipv6_find_idev+0x102/0x170 [ 7818.224776][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.224776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.224776][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.224776][ T73] netlink_unicast+0x449/0x710 [ 7818.224776][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.224776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.224776][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.224776][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.224776][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.224776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.224776][ T73] [ 7818.226306][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7818.226306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7818.226306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7818.226306][ T73] ipv6_find_idev+0x102/0x170 [ 7818.226306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7818.226306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7818.226306][ T73] netlink_rcv_skb+0x130/0x360 [ 7818.226306][ T73] netlink_unicast+0x449/0x710 [ 7818.226306][ T73] netlink_sendmsg+0x723/0xbe0 [ 7818.226306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7818.226306][ T73] ___sys_sendmsg+0xee/0x170 [ 7818.226306][ T73] __sys_sendmsg+0xcd/0x170 [ 7818.226306][ T73] do_syscall_64+0xc6/0x1e0 [ 7818.226306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7818.226306][ T73] [ 7819.325729][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7819.326165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7819.326165][ T1076] netdev_get_by_index+0x5e/0x80 [ 7819.326165][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7819.326165][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7819.326165][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7819.326165][ T1076] ipv6_add_addr+0x411/0x2000 [ 7819.326165][ T1076] inet6_addr_add+0x30e/0xa40 [ 7819.326165][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7819.326165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7819.326165][ T1076] netlink_rcv_skb+0x130/0x360 [ 7819.326165][ T1076] netlink_unicast+0x449/0x710 [ 7819.326165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7819.326165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7819.326165][ T1076] ___sys_sendmsg+0xee/0x170 [ 7819.326165][ T1076] __sys_sendmsg+0xcd/0x170 [ 7819.326165][ T1076] do_syscall_64+0xc6/0x1e0 [ 7819.326165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7819.326165][ T1076] [ 7819.328706][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7819.328706][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7819.328706][ T1076] ipv6_find_idev+0x102/0x170 [ 7819.328706][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7819.328706][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7819.328706][ T1076] netlink_rcv_skb+0x130/0x360 [ 7819.328706][ T1076] netlink_unicast+0x449/0x710 [ 7819.328706][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7819.328706][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7819.328706][ T1076] ___sys_sendmsg+0xee/0x170 [ 7819.328706][ T1076] __sys_sendmsg+0xcd/0x170 [ 7819.328706][ T1076] do_syscall_64+0xc6/0x1e0 [ 7819.328706][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7819.328706][ T1076] [ 7819.330428][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7819.330428][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7819.330428][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7819.330428][ T1076] ipv6_find_idev+0x102/0x170 [ 7819.330428][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7819.330428][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7819.330428][ T1076] netlink_rcv_skb+0x130/0x360 [ 7819.330428][ T1076] netlink_unicast+0x449/0x710 [ 7819.330428][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7819.330428][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7819.330428][ T1076] ___sys_sendmsg+0xee/0x170 [ 7819.330428][ T1076] __sys_sendmsg+0xcd/0x170 [ 7819.330428][ T1076] do_syscall_64+0xc6/0x1e0 [ 7819.330428][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7819.330428][ T1076] [ 7828.469719][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7828.470077][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7828.470077][ T73] dst_init+0x84/0x4a0 [ 7828.470077][ T73] dst_alloc+0x97/0x150 [ 7828.470077][ T73] ip6_dst_alloc+0x23/0x90 [ 7828.470077][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7828.470077][ T73] ip6_pol_route+0x56f/0x840 [ 7828.470077][ T73] fib6_rule_lookup+0x456/0x630 [ 7828.470077][ T73] ip6_route_input+0x59c/0xa50 [ 7828.470077][ T73] ipv6_rcv+0x397/0x810 [ 7828.470077][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7828.470077][ T73] process_backlog+0x101/0x620 [ 7828.470077][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7828.470077][ T73] net_rx_action+0x495/0xbe0 [ 7828.470077][ T73] __do_softirq+0x1b5/0x7f6 [ 7828.470077][ T73] [ 7828.471735][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7828.471735][ T73] netdev_get_by_index+0x5e/0x80 [ 7828.471735][ T73] fib6_nh_init+0x3d8/0x1580 [ 7828.471735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7828.471735][ T73] ip6_route_add+0x1c/0x140 [ 7828.471735][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7828.471735][ T73] inet6_addr_add+0x4f8/0xa40 [ 7828.471735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.471735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.471735][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.471735][ T73] netlink_unicast+0x449/0x710 [ 7828.471735][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.471735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.471735][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.471735][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.471735][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.471735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.471735][ T73] [ 7828.473724][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7828.473724][ T73] netdev_get_by_index+0x5e/0x80 [ 7828.473724][ T73] fib6_nh_init+0x3d8/0x1580 [ 7828.473724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7828.473724][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7828.473724][ T73] ipv6_add_addr+0x411/0x2000 [ 7828.473724][ T73] inet6_addr_add+0x30e/0xa40 [ 7828.473724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.473724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.473724][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.473724][ T73] netlink_unicast+0x449/0x710 [ 7828.473724][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.473724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.473724][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.473724][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.473724][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.473724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.473724][ T73] [ 7828.475712][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7828.475712][ T73] netdev_get_by_index+0x5e/0x80 [ 7828.475712][ T73] fib6_nh_init+0x3d8/0x1580 [ 7828.475712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7828.475712][ T73] ip6_route_add+0x1c/0x140 [ 7828.475712][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7828.475712][ T73] addrconf_add_dev+0xe2/0x170 [ 7828.475712][ T73] inet6_addr_add+0x12f/0xa40 [ 7828.475712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.475712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.475712][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.475712][ T73] netlink_unicast+0x449/0x710 [ 7828.475712][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.475712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.475712][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.475712][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.475712][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.475712][ T73] [ 7828.477672][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7828.477672][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7828.477672][ T73] ipv6_find_idev+0x102/0x170 [ 7828.477672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.477672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.477672][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.477672][ T73] netlink_unicast+0x449/0x710 [ 7828.477672][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.477672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.477672][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.477672][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.477672][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.477672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.477672][ T73] [ 7828.479211][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7828.479211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7828.479211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7828.479211][ T73] ipv6_find_idev+0x102/0x170 [ 7828.479211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.479211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.479211][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.479211][ T73] netlink_unicast+0x449/0x710 [ 7828.479211][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.479211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.479211][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.479211][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.479211][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.479211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.479211][ T73] [ 7828.480886][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7828.481127][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7828.481127][ T73] dst_init+0x84/0x4a0 [ 7828.481127][ T73] dst_alloc+0x97/0x150 [ 7828.481127][ T73] ip6_dst_alloc+0x23/0x90 [ 7828.481127][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7828.481127][ T73] ip6_pol_route+0x56f/0x840 [ 7828.481127][ T73] fib6_rule_lookup+0x456/0x630 [ 7828.481127][ T73] ip6_route_input+0x59c/0xa50 [ 7828.481127][ T73] ipv6_rcv+0x397/0x810 [ 7828.481127][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7828.481127][ T73] process_backlog+0x101/0x620 [ 7828.481127][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7828.481127][ T73] net_rx_action+0x495/0xbe0 [ 7828.481127][ T73] __do_softirq+0x1b5/0x7f6 [ 7828.481127][ T73] [ 7828.482755][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7828.482755][ T73] netdev_get_by_index+0x5e/0x80 [ 7828.482755][ T73] fib6_nh_init+0x3d8/0x1580 [ 7828.482755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7828.482755][ T73] ip6_route_add+0x1c/0x140 [ 7828.482755][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7828.482755][ T73] inet6_addr_add+0x4f8/0xa40 [ 7828.482755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.482755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.482755][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.482755][ T73] netlink_unicast+0x449/0x710 [ 7828.482755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.482755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.482755][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.482755][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.482755][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.482755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.482755][ T73] [ 7828.484734][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7828.484734][ T73] netdev_get_by_index+0x5e/0x80 [ 7828.484734][ T73] fib6_nh_init+0x3d8/0x1580 [ 7828.484734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7828.484734][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7828.484734][ T73] ipv6_add_addr+0x411/0x2000 [ 7828.484734][ T73] inet6_addr_add+0x30e/0xa40 [ 7828.484734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.484734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.484734][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.484734][ T73] netlink_unicast+0x449/0x710 [ 7828.484734][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.484734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.484734][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.484734][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.484734][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.484734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.484734][ T73] [ 7828.486715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7828.486715][ T73] netdev_get_by_index+0x5e/0x80 [ 7828.486715][ T73] fib6_nh_init+0x3d8/0x1580 [ 7828.486715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7828.486715][ T73] ip6_route_add+0x1c/0x140 [ 7828.486715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7828.486715][ T73] addrconf_add_dev+0xe2/0x170 [ 7828.486715][ T73] inet6_addr_add+0x12f/0xa40 [ 7828.486715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7828.486715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.486715][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.486715][ T73] netlink_unicast+0x449/0x710 [ 7828.486715][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.486715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.486715][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.486715][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.486715][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.486715][ T73] [ 7828.488681][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7828.488681][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7828.488681][ T73] ipv6_find_idev+0x102/0x170 [ 7828.488681][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.488681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.488681][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.488681][ T73] netlink_unicast+0x449/0x710 [ 7828.488681][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.488681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.488681][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.488681][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.488681][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.488681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.488681][ T73] [ 7828.490211][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7828.490211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7828.490211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7828.490211][ T73] ipv6_find_idev+0x102/0x170 [ 7828.490211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7828.490211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7828.490211][ T73] netlink_rcv_skb+0x130/0x360 [ 7828.490211][ T73] netlink_unicast+0x449/0x710 [ 7828.490211][ T73] netlink_sendmsg+0x723/0xbe0 [ 7828.490211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7828.490211][ T73] ___sys_sendmsg+0xee/0x170 [ 7828.490211][ T73] __sys_sendmsg+0xcd/0x170 [ 7828.490211][ T73] do_syscall_64+0xc6/0x1e0 [ 7828.490211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7828.490211][ T73] [ 7829.573705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7829.574151][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7829.574151][ T1076] netdev_get_by_index+0x5e/0x80 [ 7829.574151][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7829.574151][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7829.574151][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7829.574151][ T1076] ipv6_add_addr+0x411/0x2000 [ 7829.574151][ T1076] inet6_addr_add+0x30e/0xa40 [ 7829.574151][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7829.574151][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7829.574151][ T1076] netlink_rcv_skb+0x130/0x360 [ 7829.574151][ T1076] netlink_unicast+0x449/0x710 [ 7829.574151][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7829.574151][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7829.574151][ T1076] ___sys_sendmsg+0xee/0x170 [ 7829.574151][ T1076] __sys_sendmsg+0xcd/0x170 [ 7829.574151][ T1076] do_syscall_64+0xc6/0x1e0 [ 7829.574151][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7829.574151][ T1076] [ 7829.576426][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7829.576426][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7829.576426][ T1076] ipv6_find_idev+0x102/0x170 [ 7829.576426][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7829.576426][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7829.576426][ T1076] netlink_rcv_skb+0x130/0x360 [ 7829.576426][ T1076] netlink_unicast+0x449/0x710 [ 7829.576426][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7829.576426][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7829.576426][ T1076] ___sys_sendmsg+0xee/0x170 [ 7829.576426][ T1076] __sys_sendmsg+0xcd/0x170 [ 7829.576426][ T1076] do_syscall_64+0xc6/0x1e0 [ 7829.576426][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7829.576426][ T1076] [ 7829.578180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7829.578180][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7829.578180][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7829.578180][ T1076] ipv6_find_idev+0x102/0x170 [ 7829.578180][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7829.578180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7829.578180][ T1076] netlink_rcv_skb+0x130/0x360 [ 7829.578180][ T1076] netlink_unicast+0x449/0x710 [ 7829.578180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7829.578180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7829.578180][ T1076] ___sys_sendmsg+0xee/0x170 [ 7829.578180][ T1076] __sys_sendmsg+0xcd/0x170 [ 7829.578180][ T1076] do_syscall_64+0xc6/0x1e0 [ 7829.578180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7829.578180][ T1076] [ 7838.717730][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7838.718128][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7838.718128][ T73] dst_init+0x84/0x4a0 [ 7838.718128][ T73] dst_alloc+0x97/0x150 [ 7838.718128][ T73] ip6_dst_alloc+0x23/0x90 [ 7838.718128][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7838.718128][ T73] ip6_pol_route+0x56f/0x840 [ 7838.718128][ T73] fib6_rule_lookup+0x456/0x630 [ 7838.718128][ T73] ip6_route_input+0x59c/0xa50 [ 7838.718128][ T73] ipv6_rcv+0x397/0x810 [ 7838.718128][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7838.718128][ T73] process_backlog+0x101/0x620 [ 7838.718128][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7838.718128][ T73] net_rx_action+0x495/0xbe0 [ 7838.718128][ T73] __do_softirq+0x1b5/0x7f6 [ 7838.718128][ T73] [ 7838.719815][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7838.719815][ T73] netdev_get_by_index+0x5e/0x80 [ 7838.719815][ T73] fib6_nh_init+0x3d8/0x1580 [ 7838.719815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7838.719815][ T73] ip6_route_add+0x1c/0x140 [ 7838.719815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7838.719815][ T73] inet6_addr_add+0x4f8/0xa40 [ 7838.719815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.719815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.719815][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.719815][ T73] netlink_unicast+0x449/0x710 [ 7838.719815][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.719815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.719815][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.719815][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.719815][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.719815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.719815][ T73] [ 7838.721855][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7838.721855][ T73] netdev_get_by_index+0x5e/0x80 [ 7838.721855][ T73] fib6_nh_init+0x3d8/0x1580 [ 7838.721855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7838.721855][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7838.721855][ T73] ipv6_add_addr+0x411/0x2000 [ 7838.721855][ T73] inet6_addr_add+0x30e/0xa40 [ 7838.721855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.721855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.721855][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.721855][ T73] netlink_unicast+0x449/0x710 [ 7838.721855][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.721855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.721855][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.721855][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.721855][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.721855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.721855][ T73] [ 7838.723884][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7838.723884][ T73] netdev_get_by_index+0x5e/0x80 [ 7838.723884][ T73] fib6_nh_init+0x3d8/0x1580 [ 7838.723884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7838.723884][ T73] ip6_route_add+0x1c/0x140 [ 7838.723884][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7838.723884][ T73] addrconf_add_dev+0xe2/0x170 [ 7838.723884][ T73] inet6_addr_add+0x12f/0xa40 [ 7838.723884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.723884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.723884][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.723884][ T73] netlink_unicast+0x449/0x710 [ 7838.723884][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.723884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.723884][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.723884][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.723884][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.723884][ T73] [ 7838.725857][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7838.725857][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7838.725857][ T73] ipv6_find_idev+0x102/0x170 [ 7838.725857][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.725857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.725857][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.725857][ T73] netlink_unicast+0x449/0x710 [ 7838.725857][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.725857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.725857][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.725857][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.725857][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.725857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.725857][ T73] [ 7838.727415][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7838.727415][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7838.727415][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7838.727415][ T73] ipv6_find_idev+0x102/0x170 [ 7838.727415][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.727415][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.727415][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.727415][ T73] netlink_unicast+0x449/0x710 [ 7838.727415][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.727415][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.727415][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.727415][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.727415][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.727415][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.727415][ T73] [ 7838.729132][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7838.729377][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7838.729377][ T73] dst_init+0x84/0x4a0 [ 7838.729377][ T73] dst_alloc+0x97/0x150 [ 7838.729377][ T73] ip6_dst_alloc+0x23/0x90 [ 7838.729377][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7838.729377][ T73] ip6_pol_route+0x56f/0x840 [ 7838.729377][ T73] fib6_rule_lookup+0x456/0x630 [ 7838.729377][ T73] ip6_route_input+0x59c/0xa50 [ 7838.729377][ T73] ipv6_rcv+0x397/0x810 [ 7838.729377][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7838.729377][ T73] process_backlog+0x101/0x620 [ 7838.729377][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7838.729377][ T73] net_rx_action+0x495/0xbe0 [ 7838.729377][ T73] __do_softirq+0x1b5/0x7f6 [ 7838.729377][ T73] [ 7838.731017][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7838.731017][ T73] netdev_get_by_index+0x5e/0x80 [ 7838.731017][ T73] fib6_nh_init+0x3d8/0x1580 [ 7838.731017][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7838.731017][ T73] ip6_route_add+0x1c/0x140 [ 7838.731017][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7838.731017][ T73] inet6_addr_add+0x4f8/0xa40 [ 7838.731017][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.731017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.731017][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.731017][ T73] netlink_unicast+0x449/0x710 [ 7838.731017][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.731017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.731017][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.731017][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.731017][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.731017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.731017][ T73] [ 7838.733022][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7838.733022][ T73] netdev_get_by_index+0x5e/0x80 [ 7838.733022][ T73] fib6_nh_init+0x3d8/0x1580 [ 7838.733022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7838.733022][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7838.733022][ T73] ipv6_add_addr+0x411/0x2000 [ 7838.733022][ T73] inet6_addr_add+0x30e/0xa40 [ 7838.733022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.733022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.733022][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.733022][ T73] netlink_unicast+0x449/0x710 [ 7838.733022][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.733022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.733022][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.733022][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.733022][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.733022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.733022][ T73] [ 7838.735033][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7838.735033][ T73] netdev_get_by_index+0x5e/0x80 [ 7838.735033][ T73] fib6_nh_init+0x3d8/0x1580 [ 7838.735033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7838.735033][ T73] ip6_route_add+0x1c/0x140 [ 7838.735033][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7838.735033][ T73] addrconf_add_dev+0xe2/0x170 [ 7838.735033][ T73] inet6_addr_add+0x12f/0xa40 [ 7838.735033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7838.735033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.735033][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.735033][ T73] netlink_unicast+0x449/0x710 [ 7838.735033][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.735033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.735033][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.735033][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.735033][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.735033][ T73] [ 7838.737003][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7838.737003][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7838.737003][ T73] ipv6_find_idev+0x102/0x170 [ 7838.737003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.737003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.737003][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.737003][ T73] netlink_unicast+0x449/0x710 [ 7838.737003][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.737003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.737003][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.737003][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.737003][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.737003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.737003][ T73] [ 7838.738547][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7838.738547][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7838.738547][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7838.738547][ T73] ipv6_find_idev+0x102/0x170 [ 7838.738547][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7838.738547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7838.738547][ T73] netlink_rcv_skb+0x130/0x360 [ 7838.738547][ T73] netlink_unicast+0x449/0x710 [ 7838.738547][ T73] netlink_sendmsg+0x723/0xbe0 [ 7838.738547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7838.738547][ T73] ___sys_sendmsg+0xee/0x170 [ 7838.738547][ T73] __sys_sendmsg+0xcd/0x170 [ 7838.738547][ T73] do_syscall_64+0xc6/0x1e0 [ 7838.738547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7838.738547][ T73] [ 7839.741726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7839.742219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7839.742219][ T1076] netdev_get_by_index+0x5e/0x80 [ 7839.742219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7839.742219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7839.742219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7839.742219][ T1076] ipv6_add_addr+0x411/0x2000 [ 7839.742219][ T1076] inet6_addr_add+0x30e/0xa40 [ 7839.742219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7839.742219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7839.742219][ T1076] netlink_rcv_skb+0x130/0x360 [ 7839.742219][ T1076] netlink_unicast+0x449/0x710 [ 7839.742219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7839.742219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7839.742219][ T1076] ___sys_sendmsg+0xee/0x170 [ 7839.742219][ T1076] __sys_sendmsg+0xcd/0x170 [ 7839.742219][ T1076] do_syscall_64+0xc6/0x1e0 [ 7839.742219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7839.742219][ T1076] [ 7839.744483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7839.744483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7839.744483][ T1076] ipv6_find_idev+0x102/0x170 [ 7839.744483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7839.744483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7839.744483][ T1076] netlink_rcv_skb+0x130/0x360 [ 7839.744483][ T1076] netlink_unicast+0x449/0x710 [ 7839.744483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7839.744483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7839.744483][ T1076] ___sys_sendmsg+0xee/0x170 [ 7839.744483][ T1076] __sys_sendmsg+0xcd/0x170 [ 7839.744483][ T1076] do_syscall_64+0xc6/0x1e0 [ 7839.744483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7839.744483][ T1076] [ 7839.746211][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7839.746211][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7839.746211][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7839.746211][ T1076] ipv6_find_idev+0x102/0x170 [ 7839.746211][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7839.746211][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7839.746211][ T1076] netlink_rcv_skb+0x130/0x360 [ 7839.746211][ T1076] netlink_unicast+0x449/0x710 [ 7839.746211][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7839.746211][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7839.746211][ T1076] ___sys_sendmsg+0xee/0x170 [ 7839.746211][ T1076] __sys_sendmsg+0xcd/0x170 [ 7839.746211][ T1076] do_syscall_64+0xc6/0x1e0 [ 7839.746211][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7839.746211][ T1076] [ 7848.957644][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7848.958025][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7848.958025][ T73] dst_init+0x84/0x4a0 [ 7848.958025][ T73] dst_alloc+0x97/0x150 [ 7848.958025][ T73] ip6_dst_alloc+0x23/0x90 [ 7848.958025][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7848.958025][ T73] ip6_pol_route+0x56f/0x840 [ 7848.958025][ T73] fib6_rule_lookup+0x456/0x630 [ 7848.958025][ T73] ip6_route_input+0x59c/0xa50 [ 7848.958025][ T73] ipv6_rcv+0x397/0x810 [ 7848.958025][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7848.958025][ T73] process_backlog+0x101/0x620 [ 7848.958025][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7848.958025][ T73] net_rx_action+0x495/0xbe0 [ 7848.958025][ T73] __do_softirq+0x1b5/0x7f6 [ 7848.958025][ T73] [ 7848.959852][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7848.959852][ T73] netdev_get_by_index+0x5e/0x80 [ 7848.959852][ T73] fib6_nh_init+0x3d8/0x1580 [ 7848.959852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7848.959852][ T73] ip6_route_add+0x1c/0x140 [ 7848.959852][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7848.959852][ T73] inet6_addr_add+0x4f8/0xa40 [ 7848.959852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.959852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.959852][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.959852][ T73] netlink_unicast+0x449/0x710 [ 7848.959852][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.959852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.959852][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.959852][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.959852][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.959852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.959852][ T73] [ 7848.962001][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7848.962001][ T73] netdev_get_by_index+0x5e/0x80 [ 7848.962001][ T73] fib6_nh_init+0x3d8/0x1580 [ 7848.962001][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7848.962001][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7848.962001][ T73] ipv6_add_addr+0x411/0x2000 [ 7848.962001][ T73] inet6_addr_add+0x30e/0xa40 [ 7848.962001][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.962001][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.962001][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.962001][ T73] netlink_unicast+0x449/0x710 [ 7848.962001][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.962001][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.962001][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.962001][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.962001][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.962001][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.962001][ T73] [ 7848.964641][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7848.964641][ T73] netdev_get_by_index+0x5e/0x80 [ 7848.964641][ T73] fib6_nh_init+0x3d8/0x1580 [ 7848.964641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7848.964641][ T73] ip6_route_add+0x1c/0x140 [ 7848.964641][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7848.964641][ T73] addrconf_add_dev+0xe2/0x170 [ 7848.964641][ T73] inet6_addr_add+0x12f/0xa40 [ 7848.964641][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.964641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.964641][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.964641][ T73] netlink_unicast+0x449/0x710 [ 7848.964641][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.964641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.964641][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.964641][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.964641][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.964641][ T73] [ 7848.967925][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7848.967925][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7848.967925][ T73] ipv6_find_idev+0x102/0x170 [ 7848.967925][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.967925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.967925][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.967925][ T73] netlink_unicast+0x449/0x710 [ 7848.967925][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.967925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.967925][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.967925][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.967925][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.967925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.967925][ T73] [ 7848.970440][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7848.970440][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7848.970440][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7848.970440][ T73] ipv6_find_idev+0x102/0x170 [ 7848.970440][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.970440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.970440][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.970440][ T73] netlink_unicast+0x449/0x710 [ 7848.970440][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.970440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.970440][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.970440][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.970440][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.970440][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.970440][ T73] [ 7848.973117][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7848.973510][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7848.973510][ T73] dst_init+0x84/0x4a0 [ 7848.973510][ T73] dst_alloc+0x97/0x150 [ 7848.973510][ T73] ip6_dst_alloc+0x23/0x90 [ 7848.973510][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7848.973510][ T73] ip6_pol_route+0x56f/0x840 [ 7848.973510][ T73] fib6_rule_lookup+0x456/0x630 [ 7848.973510][ T73] ip6_route_input+0x59c/0xa50 [ 7848.973510][ T73] ipv6_rcv+0x397/0x810 [ 7848.973510][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7848.973510][ T73] process_backlog+0x101/0x620 [ 7848.973510][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7848.973510][ T73] net_rx_action+0x495/0xbe0 [ 7848.973510][ T73] __do_softirq+0x1b5/0x7f6 [ 7848.973510][ T73] [ 7848.976125][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7848.976125][ T73] netdev_get_by_index+0x5e/0x80 [ 7848.976125][ T73] fib6_nh_init+0x3d8/0x1580 [ 7848.976125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7848.976125][ T73] ip6_route_add+0x1c/0x140 [ 7848.976125][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7848.976125][ T73] inet6_addr_add+0x4f8/0xa40 [ 7848.976125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.976125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.976125][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.976125][ T73] netlink_unicast+0x449/0x710 [ 7848.976125][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.976125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.976125][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.976125][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.976125][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.976125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.976125][ T73] [ 7848.979247][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7848.979247][ T73] netdev_get_by_index+0x5e/0x80 [ 7848.979247][ T73] fib6_nh_init+0x3d8/0x1580 [ 7848.979247][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7848.979247][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7848.979247][ T73] ipv6_add_addr+0x411/0x2000 [ 7848.979247][ T73] inet6_addr_add+0x30e/0xa40 [ 7848.979247][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.979247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.979247][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.979247][ T73] netlink_unicast+0x449/0x710 [ 7848.979247][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.979247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.979247][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.979247][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.979247][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.979247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.979247][ T73] [ 7848.982348][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7848.982348][ T73] netdev_get_by_index+0x5e/0x80 [ 7848.982348][ T73] fib6_nh_init+0x3d8/0x1580 [ 7848.982348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7848.982348][ T73] ip6_route_add+0x1c/0x140 [ 7848.982348][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7848.982348][ T73] addrconf_add_dev+0xe2/0x170 [ 7848.982348][ T73] inet6_addr_add+0x12f/0xa40 [ 7848.982348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7848.982348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.982348][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.982348][ T73] netlink_unicast+0x449/0x710 [ 7848.982348][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.982348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.982348][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.982348][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.982348][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.982348][ T73] [ 7848.985390][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7848.985390][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7848.985390][ T73] ipv6_find_idev+0x102/0x170 [ 7848.985390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.985390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.985390][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.985390][ T73] netlink_unicast+0x449/0x710 [ 7848.985390][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.985390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.985390][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.985390][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.985390][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.985390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.985390][ T73] [ 7848.987819][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7848.987819][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7848.987819][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7848.987819][ T73] ipv6_find_idev+0x102/0x170 [ 7848.987819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7848.987819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7848.987819][ T73] netlink_rcv_skb+0x130/0x360 [ 7848.987819][ T73] netlink_unicast+0x449/0x710 [ 7848.987819][ T73] netlink_sendmsg+0x723/0xbe0 [ 7848.987819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7848.987819][ T73] ___sys_sendmsg+0xee/0x170 [ 7848.987819][ T73] __sys_sendmsg+0xcd/0x170 [ 7848.987819][ T73] do_syscall_64+0xc6/0x1e0 [ 7848.987819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7848.987819][ T73] [ 7849.989715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7849.990217][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7849.990217][ T1076] netdev_get_by_index+0x5e/0x80 [ 7849.990217][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7849.990217][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7849.990217][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7849.990217][ T1076] ipv6_add_addr+0x411/0x2000 [ 7849.990217][ T1076] inet6_addr_add+0x30e/0xa40 [ 7849.990217][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7849.990217][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7849.990217][ T1076] netlink_rcv_skb+0x130/0x360 [ 7849.990217][ T1076] netlink_unicast+0x449/0x710 [ 7849.990217][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7849.990217][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7849.990217][ T1076] ___sys_sendmsg+0xee/0x170 [ 7849.990217][ T1076] __sys_sendmsg+0xcd/0x170 [ 7849.990217][ T1076] do_syscall_64+0xc6/0x1e0 [ 7849.990217][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7849.990217][ T1076] [ 7849.992465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7849.992465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7849.992465][ T1076] ipv6_find_idev+0x102/0x170 [ 7849.992465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7849.992465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7849.992465][ T1076] netlink_rcv_skb+0x130/0x360 [ 7849.992465][ T1076] netlink_unicast+0x449/0x710 [ 7849.992465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7849.992465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7849.992465][ T1076] ___sys_sendmsg+0xee/0x170 [ 7849.992465][ T1076] __sys_sendmsg+0xcd/0x170 [ 7849.992465][ T1076] do_syscall_64+0xc6/0x1e0 [ 7849.992465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7849.992465][ T1076] [ 7849.994193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7849.994193][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7849.994193][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7849.994193][ T1076] ipv6_find_idev+0x102/0x170 [ 7849.994193][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7849.994193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7849.994193][ T1076] netlink_rcv_skb+0x130/0x360 [ 7849.994193][ T1076] netlink_unicast+0x449/0x710 [ 7849.994193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7849.994193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7849.994193][ T1076] ___sys_sendmsg+0xee/0x170 [ 7849.994193][ T1076] __sys_sendmsg+0xcd/0x170 [ 7849.994193][ T1076] do_syscall_64+0xc6/0x1e0 [ 7849.994193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7849.994193][ T1076] [ 7859.245735][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7859.246109][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7859.246109][ T73] dst_init+0x84/0x4a0 [ 7859.246109][ T73] dst_alloc+0x97/0x150 [ 7859.246109][ T73] ip6_dst_alloc+0x23/0x90 [ 7859.246109][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7859.246109][ T73] ip6_pol_route+0x56f/0x840 [ 7859.246109][ T73] fib6_rule_lookup+0x456/0x630 [ 7859.246109][ T73] ip6_route_input+0x59c/0xa50 [ 7859.246109][ T73] ipv6_rcv+0x397/0x810 [ 7859.246109][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7859.246109][ T73] process_backlog+0x101/0x620 [ 7859.246109][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7859.246109][ T73] net_rx_action+0x495/0xbe0 [ 7859.246109][ T73] __do_softirq+0x1b5/0x7f6 [ 7859.246109][ T73] [ 7859.247809][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7859.247809][ T73] netdev_get_by_index+0x5e/0x80 [ 7859.247809][ T73] fib6_nh_init+0x3d8/0x1580 [ 7859.247809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7859.247809][ T73] ip6_route_add+0x1c/0x140 [ 7859.247809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7859.247809][ T73] inet6_addr_add+0x4f8/0xa40 [ 7859.247809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.247809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.247809][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.247809][ T73] netlink_unicast+0x449/0x710 [ 7859.247809][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.247809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.247809][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.247809][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.247809][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.247809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.247809][ T73] [ 7859.249834][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7859.249834][ T73] netdev_get_by_index+0x5e/0x80 [ 7859.249834][ T73] fib6_nh_init+0x3d8/0x1580 [ 7859.249834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7859.249834][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7859.249834][ T73] ipv6_add_addr+0x411/0x2000 [ 7859.249834][ T73] inet6_addr_add+0x30e/0xa40 [ 7859.249834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.249834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.249834][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.249834][ T73] netlink_unicast+0x449/0x710 [ 7859.249834][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.249834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.249834][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.249834][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.249834][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.249834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.249834][ T73] [ 7859.251862][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7859.251862][ T73] netdev_get_by_index+0x5e/0x80 [ 7859.251862][ T73] fib6_nh_init+0x3d8/0x1580 [ 7859.251862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7859.251862][ T73] ip6_route_add+0x1c/0x140 [ 7859.251862][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7859.251862][ T73] addrconf_add_dev+0xe2/0x170 [ 7859.251862][ T73] inet6_addr_add+0x12f/0xa40 [ 7859.251862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.251862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.251862][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.251862][ T73] netlink_unicast+0x449/0x710 [ 7859.251862][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.251862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.251862][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.251862][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.251862][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.251862][ T73] [ 7859.253833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7859.253833][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7859.253833][ T73] ipv6_find_idev+0x102/0x170 [ 7859.253833][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7859.253833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.253833][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.253833][ T73] netlink_unicast+0x449/0x710 [ 7859.253833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.253833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.253833][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.253833][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.253833][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.253833][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.253833][ T73] [ 7859.255390][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7859.255390][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7859.255390][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7859.255390][ T73] ipv6_find_idev+0x102/0x170 [ 7859.255390][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7859.255390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.255390][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.255390][ T73] netlink_unicast+0x449/0x710 [ 7859.255390][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.255390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.255390][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.255390][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.255390][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.255390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.255390][ T73] [ 7859.257107][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7859.257351][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7859.257351][ T73] dst_init+0x84/0x4a0 [ 7859.257351][ T73] dst_alloc+0x97/0x150 [ 7859.257351][ T73] ip6_dst_alloc+0x23/0x90 [ 7859.257351][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7859.257351][ T73] ip6_pol_route+0x56f/0x840 [ 7859.257351][ T73] fib6_rule_lookup+0x456/0x630 [ 7859.257351][ T73] ip6_route_input+0x59c/0xa50 [ 7859.257351][ T73] ipv6_rcv+0x397/0x810 [ 7859.257351][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7859.257351][ T73] process_backlog+0x101/0x620 [ 7859.257351][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7859.257351][ T73] net_rx_action+0x495/0xbe0 [ 7859.257351][ T73] __do_softirq+0x1b5/0x7f6 [ 7859.257351][ T73] [ 7859.259000][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7859.259000][ T73] netdev_get_by_index+0x5e/0x80 [ 7859.259000][ T73] fib6_nh_init+0x3d8/0x1580 [ 7859.259000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7859.259000][ T73] ip6_route_add+0x1c/0x140 [ 7859.259000][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7859.259000][ T73] inet6_addr_add+0x4f8/0xa40 [ 7859.259000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.259000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.259000][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.259000][ T73] netlink_unicast+0x449/0x710 [ 7859.259000][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.259000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.259000][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.259000][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.259000][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.259000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.259000][ T73] [ 7859.261018][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7859.261018][ T73] netdev_get_by_index+0x5e/0x80 [ 7859.261018][ T73] fib6_nh_init+0x3d8/0x1580 [ 7859.261018][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7859.261018][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7859.261018][ T73] ipv6_add_addr+0x411/0x2000 [ 7859.261018][ T73] inet6_addr_add+0x30e/0xa40 [ 7859.261018][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.261018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.261018][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.261018][ T73] netlink_unicast+0x449/0x710 [ 7859.261018][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.261018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.261018][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.261018][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.261018][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.261018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.261018][ T73] [ 7859.263028][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7859.263028][ T73] netdev_get_by_index+0x5e/0x80 [ 7859.263028][ T73] fib6_nh_init+0x3d8/0x1580 [ 7859.263028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7859.263028][ T73] ip6_route_add+0x1c/0x140 [ 7859.263028][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7859.263028][ T73] addrconf_add_dev+0xe2/0x170 [ 7859.263028][ T73] inet6_addr_add+0x12f/0xa40 [ 7859.263028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7859.263028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.263028][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.263028][ T73] netlink_unicast+0x449/0x710 [ 7859.263028][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.263028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.263028][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.263028][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.263028][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.263028][ T73] [ 7859.265003][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7859.265003][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7859.265003][ T73] ipv6_find_idev+0x102/0x170 [ 7859.265003][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7859.265003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.265003][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.265003][ T73] netlink_unicast+0x449/0x710 [ 7859.265003][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.265003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.265003][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.265003][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.265003][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.265003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.265003][ T73] [ 7859.266549][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7859.266549][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7859.266549][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7859.266549][ T73] ipv6_find_idev+0x102/0x170 [ 7859.266549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7859.266549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7859.266549][ T73] netlink_rcv_skb+0x130/0x360 [ 7859.266549][ T73] netlink_unicast+0x449/0x710 [ 7859.266549][ T73] netlink_sendmsg+0x723/0xbe0 [ 7859.266549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7859.266549][ T73] ___sys_sendmsg+0xee/0x170 [ 7859.266549][ T73] __sys_sendmsg+0xcd/0x170 [ 7859.266549][ T73] do_syscall_64+0xc6/0x1e0 [ 7859.266549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7859.266549][ T73] [ 7860.237658][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7860.238102][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7860.238102][ T1076] netdev_get_by_index+0x5e/0x80 [ 7860.238102][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7860.238102][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7860.238102][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7860.238102][ T1076] ipv6_add_addr+0x411/0x2000 [ 7860.238102][ T1076] inet6_addr_add+0x30e/0xa40 [ 7860.238102][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7860.238102][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7860.238102][ T1076] netlink_rcv_skb+0x130/0x360 [ 7860.238102][ T1076] netlink_unicast+0x449/0x710 [ 7860.238102][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7860.238102][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7860.238102][ T1076] ___sys_sendmsg+0xee/0x170 [ 7860.238102][ T1076] __sys_sendmsg+0xcd/0x170 [ 7860.238102][ T1076] do_syscall_64+0xc6/0x1e0 [ 7860.238102][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7860.238102][ T1076] [ 7860.240362][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7860.240362][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7860.240362][ T1076] ipv6_find_idev+0x102/0x170 [ 7860.240362][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7860.240362][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7860.240362][ T1076] netlink_rcv_skb+0x130/0x360 [ 7860.240362][ T1076] netlink_unicast+0x449/0x710 [ 7860.240362][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7860.240362][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7860.240362][ T1076] ___sys_sendmsg+0xee/0x170 [ 7860.240362][ T1076] __sys_sendmsg+0xcd/0x170 [ 7860.240362][ T1076] do_syscall_64+0xc6/0x1e0 [ 7860.240362][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7860.240362][ T1076] [ 7860.242104][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7860.242104][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7860.242104][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7860.242104][ T1076] ipv6_find_idev+0x102/0x170 [ 7860.242104][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7860.242104][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7860.242104][ T1076] netlink_rcv_skb+0x130/0x360 [ 7860.242104][ T1076] netlink_unicast+0x449/0x710 [ 7860.242104][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7860.242104][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7860.242104][ T1076] ___sys_sendmsg+0xee/0x170 [ 7860.242104][ T1076] __sys_sendmsg+0xcd/0x170 [ 7860.242104][ T1076] do_syscall_64+0xc6/0x1e0 [ 7860.242104][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7860.242104][ T1076] [ 7865.637728][ T42] INFO: task modprobe:1264 blocked for more than 614 seconds. [ 7865.638004][ T42] Not tainted 6.8.0-virtme #1 [ 7865.638210][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7865.638410][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 7865.638677][ T42] Call Trace: [ 7865.638777][ T42] [ 7865.638848][ T42] __schedule+0x705/0x1ac0 [ 7865.638985][ T42] ? __pfx___schedule+0x10/0x10 [ 7865.639108][ T42] ? schedule+0x1a5/0x210 [ 7865.639204][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7865.639332][ T42] ? mark_lock+0x38/0x3e0 [ 7865.639426][ T42] ? do_raw_spin_lock+0x131/0x270 [ 7865.639552][ T42] ? schedule+0x1a5/0x210 [ 7865.639668][ T42] schedule+0xdf/0x210 [ 7865.639767][ T42] schedule_preempt_disabled+0x15/0x30 [ 7865.639888][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 7865.640023][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 7865.640176][ T42] ? kasan_save_stack+0x34/0x50 [ 7865.640300][ T42] ? kasan_save_stack+0x24/0x50 [ 7865.640427][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7865.640556][ T42] ? lock_acquire+0x1c1/0x220 [ 7865.640688][ T42] ? register_pernet_subsys+0x1a/0x50 [ 7865.640822][ T42] down_write+0x1c9/0x200 [ 7865.640917][ T42] ? __pfx_down_write+0x10/0x10 [ 7865.641041][ T42] ? __pfx___lock_release+0x10/0x10 [ 7865.641169][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 7865.641332][ T42] register_pernet_subsys+0x1a/0x50 [ 7865.641454][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 7865.641619][ T42] do_one_initcall+0xc8/0x3f0 [ 7865.641743][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 7865.641871][ T42] ? __create_object+0x5e/0xb0 [ 7865.642003][ T42] ? kasan_unpoison+0x27/0x60 [ 7865.642130][ T42] do_init_module+0x233/0x740 [ 7865.642263][ T42] load_module+0x16b5/0x2350 [ 7865.642397][ T42] ? __pfx_load_module+0x10/0x10 [ 7865.642522][ T42] ? kernel_read_file+0x3d2/0x520 [ 7865.642670][ T42] ? kernel_read_file+0x300/0x520 [ 7865.642803][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 7865.642937][ T42] ? init_module_from_file+0xd2/0x130 [ 7865.643061][ T42] init_module_from_file+0xd2/0x130 [ 7865.643186][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 7865.643337][ T42] ? __lock_release+0x103/0x460 [ 7865.643459][ T42] ? idempotent_init_module+0x32a/0x620 [ 7865.643607][ T42] ? idempotent_init_module+0x32a/0x620 [ 7865.643734][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 7865.643860][ T42] idempotent_init_module+0x342/0x620 [ 7865.643986][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 7865.644162][ T42] __x64_sys_finit_module+0xbe/0x130 [ 7865.644286][ T42] do_syscall_64+0xc6/0x1e0 [ 7865.644414][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7865.644569][ T42] RIP: 0033:0x7f6e8f82ce5d [ 7865.644707][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7865.644892][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 7865.645076][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 7865.645262][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 7865.645444][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 7865.645633][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 7865.645829][ T42] [ 7865.645926][ T42] [ 7865.645926][ T42] Showing all locks held in the system: [ 7865.646103][ T42] 1 lock held by khungtaskd/42: [ 7865.646224][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 7865.646446][ T42] 3 locks held by kworker/u16:1/73: [ 7865.646562][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7865.646842][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7865.647062][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 7865.647278][ T42] 2 locks held by kworker/u20:1/76: [ 7865.647395][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7865.647650][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7865.647929][ T42] 1 lock held by modprobe/1264: [ 7865.648045][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 7865.648286][ T42] [ 7865.648353][ T42] ============================================= [ 7865.648353][ T42] [ 7869.517650][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7869.518102][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7869.518102][ T73] dst_init+0x84/0x4a0 [ 7869.518102][ T73] dst_alloc+0x97/0x150 [ 7869.518102][ T73] ip6_dst_alloc+0x23/0x90 [ 7869.518102][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7869.518102][ T73] ip6_pol_route+0x56f/0x840 [ 7869.518102][ T73] fib6_rule_lookup+0x456/0x630 [ 7869.518102][ T73] ip6_route_input+0x59c/0xa50 [ 7869.518102][ T73] ipv6_rcv+0x397/0x810 [ 7869.518102][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7869.518102][ T73] process_backlog+0x101/0x620 [ 7869.518102][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7869.518102][ T73] net_rx_action+0x495/0xbe0 [ 7869.518102][ T73] __do_softirq+0x1b5/0x7f6 [ 7869.518102][ T73] [ 7869.519897][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7869.519897][ T73] netdev_get_by_index+0x5e/0x80 [ 7869.519897][ T73] fib6_nh_init+0x3d8/0x1580 [ 7869.519897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7869.519897][ T73] ip6_route_add+0x1c/0x140 [ 7869.519897][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7869.519897][ T73] inet6_addr_add+0x4f8/0xa40 [ 7869.519897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.519897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.519897][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.519897][ T73] netlink_unicast+0x449/0x710 [ 7869.519897][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.519897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.519897][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.519897][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.519897][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.519897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.519897][ T73] [ 7869.521931][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7869.521931][ T73] netdev_get_by_index+0x5e/0x80 [ 7869.521931][ T73] fib6_nh_init+0x3d8/0x1580 [ 7869.521931][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7869.521931][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7869.521931][ T73] ipv6_add_addr+0x411/0x2000 [ 7869.521931][ T73] inet6_addr_add+0x30e/0xa40 [ 7869.521931][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.521931][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.521931][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.521931][ T73] netlink_unicast+0x449/0x710 [ 7869.521931][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.521931][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.521931][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.521931][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.521931][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.521931][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.521931][ T73] [ 7869.523942][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7869.523942][ T73] netdev_get_by_index+0x5e/0x80 [ 7869.523942][ T73] fib6_nh_init+0x3d8/0x1580 [ 7869.523942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7869.523942][ T73] ip6_route_add+0x1c/0x140 [ 7869.523942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7869.523942][ T73] addrconf_add_dev+0xe2/0x170 [ 7869.523942][ T73] inet6_addr_add+0x12f/0xa40 [ 7869.523942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.523942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.523942][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.523942][ T73] netlink_unicast+0x449/0x710 [ 7869.523942][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.523942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.523942][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.523942][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.523942][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.523942][ T73] [ 7869.525929][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7869.525929][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7869.525929][ T73] ipv6_find_idev+0x102/0x170 [ 7869.525929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7869.525929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.525929][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.525929][ T73] netlink_unicast+0x449/0x710 [ 7869.525929][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.525929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.525929][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.525929][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.525929][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.525929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.525929][ T73] [ 7869.527491][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7869.527491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7869.527491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7869.527491][ T73] ipv6_find_idev+0x102/0x170 [ 7869.527491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7869.527491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.527491][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.527491][ T73] netlink_unicast+0x449/0x710 [ 7869.527491][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.527491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.527491][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.527491][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.527491][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.527491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.527491][ T73] [ 7869.529208][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7869.529452][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7869.529452][ T73] dst_init+0x84/0x4a0 [ 7869.529452][ T73] dst_alloc+0x97/0x150 [ 7869.529452][ T73] ip6_dst_alloc+0x23/0x90 [ 7869.529452][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7869.529452][ T73] ip6_pol_route+0x56f/0x840 [ 7869.529452][ T73] fib6_rule_lookup+0x456/0x630 [ 7869.529452][ T73] ip6_route_input+0x59c/0xa50 [ 7869.529452][ T73] ipv6_rcv+0x397/0x810 [ 7869.529452][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7869.529452][ T73] process_backlog+0x101/0x620 [ 7869.529452][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7869.529452][ T73] net_rx_action+0x495/0xbe0 [ 7869.529452][ T73] __do_softirq+0x1b5/0x7f6 [ 7869.529452][ T73] [ 7869.531103][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7869.531103][ T73] netdev_get_by_index+0x5e/0x80 [ 7869.531103][ T73] fib6_nh_init+0x3d8/0x1580 [ 7869.531103][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7869.531103][ T73] ip6_route_add+0x1c/0x140 [ 7869.531103][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7869.531103][ T73] inet6_addr_add+0x4f8/0xa40 [ 7869.531103][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.531103][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.531103][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.531103][ T73] netlink_unicast+0x449/0x710 [ 7869.531103][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.531103][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.531103][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.531103][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.531103][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.531103][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.531103][ T73] [ 7869.533112][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7869.533112][ T73] netdev_get_by_index+0x5e/0x80 [ 7869.533112][ T73] fib6_nh_init+0x3d8/0x1580 [ 7869.533112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7869.533112][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7869.533112][ T73] ipv6_add_addr+0x411/0x2000 [ 7869.533112][ T73] inet6_addr_add+0x30e/0xa40 [ 7869.533112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.533112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.533112][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.533112][ T73] netlink_unicast+0x449/0x710 [ 7869.533112][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.533112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.533112][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.533112][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.533112][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.533112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.533112][ T73] [ 7869.535129][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7869.535129][ T73] netdev_get_by_index+0x5e/0x80 [ 7869.535129][ T73] fib6_nh_init+0x3d8/0x1580 [ 7869.535129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7869.535129][ T73] ip6_route_add+0x1c/0x140 [ 7869.535129][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7869.535129][ T73] addrconf_add_dev+0xe2/0x170 [ 7869.535129][ T73] inet6_addr_add+0x12f/0xa40 [ 7869.535129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7869.535129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.535129][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.535129][ T73] netlink_unicast+0x449/0x710 [ 7869.535129][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.535129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.535129][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.535129][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.535129][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.535129][ T73] [ 7869.537108][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7869.537108][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7869.537108][ T73] ipv6_find_idev+0x102/0x170 [ 7869.537108][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7869.537108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.537108][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.537108][ T73] netlink_unicast+0x449/0x710 [ 7869.537108][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.537108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.537108][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.537108][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.537108][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.537108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.537108][ T73] [ 7869.538656][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7869.538656][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7869.538656][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7869.538656][ T73] ipv6_find_idev+0x102/0x170 [ 7869.538656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7869.538656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7869.538656][ T73] netlink_rcv_skb+0x130/0x360 [ 7869.538656][ T73] netlink_unicast+0x449/0x710 [ 7869.538656][ T73] netlink_sendmsg+0x723/0xbe0 [ 7869.538656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7869.538656][ T73] ___sys_sendmsg+0xee/0x170 [ 7869.538656][ T73] __sys_sendmsg+0xcd/0x170 [ 7869.538656][ T73] do_syscall_64+0xc6/0x1e0 [ 7869.538656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7869.538656][ T73] [ 7870.269750][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7870.270252][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7870.270252][ T1076] netdev_get_by_index+0x5e/0x80 [ 7870.270252][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7870.270252][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7870.270252][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7870.270252][ T1076] ipv6_add_addr+0x411/0x2000 [ 7870.270252][ T1076] inet6_addr_add+0x30e/0xa40 [ 7870.270252][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7870.270252][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7870.270252][ T1076] netlink_rcv_skb+0x130/0x360 [ 7870.270252][ T1076] netlink_unicast+0x449/0x710 [ 7870.270252][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7870.270252][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7870.270252][ T1076] ___sys_sendmsg+0xee/0x170 [ 7870.270252][ T1076] __sys_sendmsg+0xcd/0x170 [ 7870.270252][ T1076] do_syscall_64+0xc6/0x1e0 [ 7870.270252][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7870.270252][ T1076] [ 7870.272510][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7870.272510][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7870.272510][ T1076] ipv6_find_idev+0x102/0x170 [ 7870.272510][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7870.272510][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7870.272510][ T1076] netlink_rcv_skb+0x130/0x360 [ 7870.272510][ T1076] netlink_unicast+0x449/0x710 [ 7870.272510][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7870.272510][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7870.272510][ T1076] ___sys_sendmsg+0xee/0x170 [ 7870.272510][ T1076] __sys_sendmsg+0xcd/0x170 [ 7870.272510][ T1076] do_syscall_64+0xc6/0x1e0 [ 7870.272510][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7870.272510][ T1076] [ 7870.274242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7870.274242][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7870.274242][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7870.274242][ T1076] ipv6_find_idev+0x102/0x170 [ 7870.274242][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7870.274242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7870.274242][ T1076] netlink_rcv_skb+0x130/0x360 [ 7870.274242][ T1076] netlink_unicast+0x449/0x710 [ 7870.274242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7870.274242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7870.274242][ T1076] ___sys_sendmsg+0xee/0x170 [ 7870.274242][ T1076] __sys_sendmsg+0xcd/0x170 [ 7870.274242][ T1076] do_syscall_64+0xc6/0x1e0 [ 7870.274242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7870.274242][ T1076] [ 7879.789762][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7879.790204][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7879.790204][ T73] dst_init+0x84/0x4a0 [ 7879.790204][ T73] dst_alloc+0x97/0x150 [ 7879.790204][ T73] ip6_dst_alloc+0x23/0x90 [ 7879.790204][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7879.790204][ T73] ip6_pol_route+0x56f/0x840 [ 7879.790204][ T73] fib6_rule_lookup+0x456/0x630 [ 7879.790204][ T73] ip6_route_input+0x59c/0xa50 [ 7879.790204][ T73] ipv6_rcv+0x397/0x810 [ 7879.790204][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7879.790204][ T73] process_backlog+0x101/0x620 [ 7879.790204][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7879.790204][ T73] net_rx_action+0x495/0xbe0 [ 7879.790204][ T73] __do_softirq+0x1b5/0x7f6 [ 7879.790204][ T73] [ 7879.791892][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7879.791892][ T73] netdev_get_by_index+0x5e/0x80 [ 7879.791892][ T73] fib6_nh_init+0x3d8/0x1580 [ 7879.791892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7879.791892][ T73] ip6_route_add+0x1c/0x140 [ 7879.791892][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7879.791892][ T73] inet6_addr_add+0x4f8/0xa40 [ 7879.791892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.791892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.791892][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.791892][ T73] netlink_unicast+0x449/0x710 [ 7879.791892][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.791892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.791892][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.791892][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.791892][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.791892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.791892][ T73] [ 7879.793913][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7879.793913][ T73] netdev_get_by_index+0x5e/0x80 [ 7879.793913][ T73] fib6_nh_init+0x3d8/0x1580 [ 7879.793913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7879.793913][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7879.793913][ T73] ipv6_add_addr+0x411/0x2000 [ 7879.793913][ T73] inet6_addr_add+0x30e/0xa40 [ 7879.793913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.793913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.793913][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.793913][ T73] netlink_unicast+0x449/0x710 [ 7879.793913][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.793913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.793913][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.793913][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.793913][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.793913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.793913][ T73] [ 7879.795930][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7879.795930][ T73] netdev_get_by_index+0x5e/0x80 [ 7879.795930][ T73] fib6_nh_init+0x3d8/0x1580 [ 7879.795930][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7879.795930][ T73] ip6_route_add+0x1c/0x140 [ 7879.795930][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7879.795930][ T73] addrconf_add_dev+0xe2/0x170 [ 7879.795930][ T73] inet6_addr_add+0x12f/0xa40 [ 7879.795930][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.795930][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.795930][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.795930][ T73] netlink_unicast+0x449/0x710 [ 7879.795930][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.795930][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.795930][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.795930][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.795930][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.795930][ T73] [ 7879.797913][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7879.797913][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7879.797913][ T73] ipv6_find_idev+0x102/0x170 [ 7879.797913][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.797913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.797913][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.797913][ T73] netlink_unicast+0x449/0x710 [ 7879.797913][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.797913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.797913][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.797913][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.797913][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.797913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.797913][ T73] [ 7879.799469][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7879.799469][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7879.799469][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7879.799469][ T73] ipv6_find_idev+0x102/0x170 [ 7879.799469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.799469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.799469][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.799469][ T73] netlink_unicast+0x449/0x710 [ 7879.799469][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.799469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.799469][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.799469][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.799469][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.799469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.799469][ T73] [ 7879.801177][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7879.801424][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7879.801424][ T73] dst_init+0x84/0x4a0 [ 7879.801424][ T73] dst_alloc+0x97/0x150 [ 7879.801424][ T73] ip6_dst_alloc+0x23/0x90 [ 7879.801424][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7879.801424][ T73] ip6_pol_route+0x56f/0x840 [ 7879.801424][ T73] fib6_rule_lookup+0x456/0x630 [ 7879.801424][ T73] ip6_route_input+0x59c/0xa50 [ 7879.801424][ T73] ipv6_rcv+0x397/0x810 [ 7879.801424][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7879.801424][ T73] process_backlog+0x101/0x620 [ 7879.801424][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7879.801424][ T73] net_rx_action+0x495/0xbe0 [ 7879.801424][ T73] __do_softirq+0x1b5/0x7f6 [ 7879.801424][ T73] [ 7879.803066][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7879.803066][ T73] netdev_get_by_index+0x5e/0x80 [ 7879.803066][ T73] fib6_nh_init+0x3d8/0x1580 [ 7879.803066][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7879.803066][ T73] ip6_route_add+0x1c/0x140 [ 7879.803066][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7879.803066][ T73] inet6_addr_add+0x4f8/0xa40 [ 7879.803066][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.803066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.803066][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.803066][ T73] netlink_unicast+0x449/0x710 [ 7879.803066][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.803066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.803066][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.803066][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.803066][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.803066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.803066][ T73] [ 7879.805169][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7879.805169][ T73] netdev_get_by_index+0x5e/0x80 [ 7879.805169][ T73] fib6_nh_init+0x3d8/0x1580 [ 7879.805169][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7879.805169][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7879.805169][ T73] ipv6_add_addr+0x411/0x2000 [ 7879.805169][ T73] inet6_addr_add+0x30e/0xa40 [ 7879.805169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.805169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.805169][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.805169][ T73] netlink_unicast+0x449/0x710 [ 7879.805169][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.805169][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.805169][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.805169][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.805169][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.805169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.805169][ T73] [ 7879.807180][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7879.807180][ T73] netdev_get_by_index+0x5e/0x80 [ 7879.807180][ T73] fib6_nh_init+0x3d8/0x1580 [ 7879.807180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7879.807180][ T73] ip6_route_add+0x1c/0x140 [ 7879.807180][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7879.807180][ T73] addrconf_add_dev+0xe2/0x170 [ 7879.807180][ T73] inet6_addr_add+0x12f/0xa40 [ 7879.807180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7879.807180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.807180][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.807180][ T73] netlink_unicast+0x449/0x710 [ 7879.807180][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.807180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.807180][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.807180][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.807180][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.807180][ T73] [ 7879.809141][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7879.809141][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7879.809141][ T73] ipv6_find_idev+0x102/0x170 [ 7879.809141][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.809141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.809141][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.809141][ T73] netlink_unicast+0x449/0x710 [ 7879.809141][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.809141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.809141][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.809141][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.809141][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.809141][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.809141][ T73] [ 7879.810678][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7879.810678][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7879.810678][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7879.810678][ T73] ipv6_find_idev+0x102/0x170 [ 7879.810678][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7879.810678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7879.810678][ T73] netlink_rcv_skb+0x130/0x360 [ 7879.810678][ T73] netlink_unicast+0x449/0x710 [ 7879.810678][ T73] netlink_sendmsg+0x723/0xbe0 [ 7879.810678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7879.810678][ T73] ___sys_sendmsg+0xee/0x170 [ 7879.810678][ T73] __sys_sendmsg+0xcd/0x170 [ 7879.810678][ T73] do_syscall_64+0xc6/0x1e0 [ 7879.810678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7879.810678][ T73] [ 7880.517701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7880.518203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7880.518203][ T1076] netdev_get_by_index+0x5e/0x80 [ 7880.518203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7880.518203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7880.518203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7880.518203][ T1076] ipv6_add_addr+0x411/0x2000 [ 7880.518203][ T1076] inet6_addr_add+0x30e/0xa40 [ 7880.518203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7880.518203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7880.518203][ T1076] netlink_rcv_skb+0x130/0x360 [ 7880.518203][ T1076] netlink_unicast+0x449/0x710 [ 7880.518203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7880.518203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7880.518203][ T1076] ___sys_sendmsg+0xee/0x170 [ 7880.518203][ T1076] __sys_sendmsg+0xcd/0x170 [ 7880.518203][ T1076] do_syscall_64+0xc6/0x1e0 [ 7880.518203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7880.518203][ T1076] [ 7880.520456][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7880.520456][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7880.520456][ T1076] ipv6_find_idev+0x102/0x170 [ 7880.520456][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7880.520456][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7880.520456][ T1076] netlink_rcv_skb+0x130/0x360 [ 7880.520456][ T1076] netlink_unicast+0x449/0x710 [ 7880.520456][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7880.520456][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7880.520456][ T1076] ___sys_sendmsg+0xee/0x170 [ 7880.520456][ T1076] __sys_sendmsg+0xcd/0x170 [ 7880.520456][ T1076] do_syscall_64+0xc6/0x1e0 [ 7880.520456][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7880.520456][ T1076] [ 7880.522189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7880.522189][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7880.522189][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7880.522189][ T1076] ipv6_find_idev+0x102/0x170 [ 7880.522189][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7880.522189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7880.522189][ T1076] netlink_rcv_skb+0x130/0x360 [ 7880.522189][ T1076] netlink_unicast+0x449/0x710 [ 7880.522189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7880.522189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7880.522189][ T1076] ___sys_sendmsg+0xee/0x170 [ 7880.522189][ T1076] __sys_sendmsg+0xcd/0x170 [ 7880.522189][ T1076] do_syscall_64+0xc6/0x1e0 [ 7880.522189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7880.522189][ T1076] [ 7890.061710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7890.062163][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7890.062163][ T73] dst_init+0x84/0x4a0 [ 7890.062163][ T73] dst_alloc+0x97/0x150 [ 7890.062163][ T73] ip6_dst_alloc+0x23/0x90 [ 7890.062163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7890.062163][ T73] ip6_pol_route+0x56f/0x840 [ 7890.062163][ T73] fib6_rule_lookup+0x456/0x630 [ 7890.062163][ T73] ip6_route_input+0x59c/0xa50 [ 7890.062163][ T73] ipv6_rcv+0x397/0x810 [ 7890.062163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7890.062163][ T73] process_backlog+0x101/0x620 [ 7890.062163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7890.062163][ T73] net_rx_action+0x495/0xbe0 [ 7890.062163][ T73] __do_softirq+0x1b5/0x7f6 [ 7890.062163][ T73] [ 7890.063870][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7890.063870][ T73] netdev_get_by_index+0x5e/0x80 [ 7890.063870][ T73] fib6_nh_init+0x3d8/0x1580 [ 7890.063870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7890.063870][ T73] ip6_route_add+0x1c/0x140 [ 7890.063870][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7890.063870][ T73] inet6_addr_add+0x4f8/0xa40 [ 7890.063870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.063870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.063870][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.063870][ T73] netlink_unicast+0x449/0x710 [ 7890.063870][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.063870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.063870][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.063870][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.063870][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.063870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.063870][ T73] [ 7890.065900][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7890.065900][ T73] netdev_get_by_index+0x5e/0x80 [ 7890.065900][ T73] fib6_nh_init+0x3d8/0x1580 [ 7890.065900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7890.065900][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7890.065900][ T73] ipv6_add_addr+0x411/0x2000 [ 7890.065900][ T73] inet6_addr_add+0x30e/0xa40 [ 7890.065900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.065900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.065900][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.065900][ T73] netlink_unicast+0x449/0x710 [ 7890.065900][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.065900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.065900][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.065900][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.065900][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.065900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.065900][ T73] [ 7890.067994][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7890.067994][ T73] netdev_get_by_index+0x5e/0x80 [ 7890.067994][ T73] fib6_nh_init+0x3d8/0x1580 [ 7890.067994][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7890.067994][ T73] ip6_route_add+0x1c/0x140 [ 7890.067994][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7890.067994][ T73] addrconf_add_dev+0xe2/0x170 [ 7890.067994][ T73] inet6_addr_add+0x12f/0xa40 [ 7890.067994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.067994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.067994][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.067994][ T73] netlink_unicast+0x449/0x710 [ 7890.067994][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.067994][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.067994][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.067994][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.067994][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.067994][ T73] [ 7890.069971][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7890.069971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7890.069971][ T73] ipv6_find_idev+0x102/0x170 [ 7890.069971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7890.069971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.069971][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.069971][ T73] netlink_unicast+0x449/0x710 [ 7890.069971][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.069971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.069971][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.069971][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.069971][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.069971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.069971][ T73] [ 7890.071522][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7890.071522][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7890.071522][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7890.071522][ T73] ipv6_find_idev+0x102/0x170 [ 7890.071522][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7890.071522][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.071522][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.071522][ T73] netlink_unicast+0x449/0x710 [ 7890.071522][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.071522][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.071522][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.071522][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.071522][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.071522][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.071522][ T73] [ 7890.073261][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7890.073505][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7890.073505][ T73] dst_init+0x84/0x4a0 [ 7890.073505][ T73] dst_alloc+0x97/0x150 [ 7890.073505][ T73] ip6_dst_alloc+0x23/0x90 [ 7890.073505][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7890.073505][ T73] ip6_pol_route+0x56f/0x840 [ 7890.073505][ T73] fib6_rule_lookup+0x456/0x630 [ 7890.073505][ T73] ip6_route_input+0x59c/0xa50 [ 7890.073505][ T73] ipv6_rcv+0x397/0x810 [ 7890.073505][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7890.073505][ T73] process_backlog+0x101/0x620 [ 7890.073505][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7890.073505][ T73] net_rx_action+0x495/0xbe0 [ 7890.073505][ T73] __do_softirq+0x1b5/0x7f6 [ 7890.073505][ T73] [ 7890.075153][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7890.075153][ T73] netdev_get_by_index+0x5e/0x80 [ 7890.075153][ T73] fib6_nh_init+0x3d8/0x1580 [ 7890.075153][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7890.075153][ T73] ip6_route_add+0x1c/0x140 [ 7890.075153][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7890.075153][ T73] inet6_addr_add+0x4f8/0xa40 [ 7890.075153][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.075153][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.075153][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.075153][ T73] netlink_unicast+0x449/0x710 [ 7890.075153][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.075153][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.075153][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.075153][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.075153][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.075153][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.075153][ T73] [ 7890.077179][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7890.077179][ T73] netdev_get_by_index+0x5e/0x80 [ 7890.077179][ T73] fib6_nh_init+0x3d8/0x1580 [ 7890.077179][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7890.077179][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7890.077179][ T73] ipv6_add_addr+0x411/0x2000 [ 7890.077179][ T73] inet6_addr_add+0x30e/0xa40 [ 7890.077179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.077179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.077179][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.077179][ T73] netlink_unicast+0x449/0x710 [ 7890.077179][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.077179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.077179][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.077179][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.077179][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.077179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.077179][ T73] [ 7890.079180][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7890.079180][ T73] netdev_get_by_index+0x5e/0x80 [ 7890.079180][ T73] fib6_nh_init+0x3d8/0x1580 [ 7890.079180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7890.079180][ T73] ip6_route_add+0x1c/0x140 [ 7890.079180][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7890.079180][ T73] addrconf_add_dev+0xe2/0x170 [ 7890.079180][ T73] inet6_addr_add+0x12f/0xa40 [ 7890.079180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.079180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.079180][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.079180][ T73] netlink_unicast+0x449/0x710 [ 7890.079180][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.079180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.079180][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.079180][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.079180][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.079180][ T73] [ 7890.081149][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7890.081149][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7890.081149][ T73] ipv6_find_idev+0x102/0x170 [ 7890.081149][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7890.081149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.081149][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.081149][ T73] netlink_unicast+0x449/0x710 [ 7890.081149][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.081149][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.081149][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.081149][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.081149][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.081149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.081149][ T73] [ 7890.082696][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7890.082696][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7890.082696][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7890.082696][ T73] ipv6_find_idev+0x102/0x170 [ 7890.082696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7890.082696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.082696][ T73] netlink_rcv_skb+0x130/0x360 [ 7890.082696][ T73] netlink_unicast+0x449/0x710 [ 7890.082696][ T73] netlink_sendmsg+0x723/0xbe0 [ 7890.082696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7890.082696][ T73] ___sys_sendmsg+0xee/0x170 [ 7890.082696][ T73] __sys_sendmsg+0xcd/0x170 [ 7890.082696][ T73] do_syscall_64+0xc6/0x1e0 [ 7890.082696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.082696][ T73] [ 7890.765714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7890.766255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7890.766255][ T1076] netdev_get_by_index+0x5e/0x80 [ 7890.766255][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7890.766255][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7890.766255][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7890.766255][ T1076] ipv6_add_addr+0x411/0x2000 [ 7890.766255][ T1076] inet6_addr_add+0x30e/0xa40 [ 7890.766255][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7890.766255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.766255][ T1076] netlink_rcv_skb+0x130/0x360 [ 7890.766255][ T1076] netlink_unicast+0x449/0x710 [ 7890.766255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7890.766255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7890.766255][ T1076] ___sys_sendmsg+0xee/0x170 [ 7890.766255][ T1076] __sys_sendmsg+0xcd/0x170 [ 7890.766255][ T1076] do_syscall_64+0xc6/0x1e0 [ 7890.766255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.766255][ T1076] [ 7890.768528][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7890.768528][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7890.768528][ T1076] ipv6_find_idev+0x102/0x170 [ 7890.768528][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7890.768528][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.768528][ T1076] netlink_rcv_skb+0x130/0x360 [ 7890.768528][ T1076] netlink_unicast+0x449/0x710 [ 7890.768528][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7890.768528][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7890.768528][ T1076] ___sys_sendmsg+0xee/0x170 [ 7890.768528][ T1076] __sys_sendmsg+0xcd/0x170 [ 7890.768528][ T1076] do_syscall_64+0xc6/0x1e0 [ 7890.768528][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.768528][ T1076] [ 7890.770260][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7890.770260][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7890.770260][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7890.770260][ T1076] ipv6_find_idev+0x102/0x170 [ 7890.770260][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7890.770260][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7890.770260][ T1076] netlink_rcv_skb+0x130/0x360 [ 7890.770260][ T1076] netlink_unicast+0x449/0x710 [ 7890.770260][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7890.770260][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7890.770260][ T1076] ___sys_sendmsg+0xee/0x170 [ 7890.770260][ T1076] __sys_sendmsg+0xcd/0x170 [ 7890.770260][ T1076] do_syscall_64+0xc6/0x1e0 [ 7890.770260][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7890.770260][ T1076] [ 7900.333735][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7900.334167][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7900.334167][ T73] dst_init+0x84/0x4a0 [ 7900.334167][ T73] dst_alloc+0x97/0x150 [ 7900.334167][ T73] ip6_dst_alloc+0x23/0x90 [ 7900.334167][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7900.334167][ T73] ip6_pol_route+0x56f/0x840 [ 7900.334167][ T73] fib6_rule_lookup+0x456/0x630 [ 7900.334167][ T73] ip6_route_input+0x59c/0xa50 [ 7900.334167][ T73] ipv6_rcv+0x397/0x810 [ 7900.334167][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7900.334167][ T73] process_backlog+0x101/0x620 [ 7900.334167][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7900.334167][ T73] net_rx_action+0x495/0xbe0 [ 7900.334167][ T73] __do_softirq+0x1b5/0x7f6 [ 7900.334167][ T73] [ 7900.335837][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7900.335837][ T73] netdev_get_by_index+0x5e/0x80 [ 7900.335837][ T73] fib6_nh_init+0x3d8/0x1580 [ 7900.335837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7900.335837][ T73] ip6_route_add+0x1c/0x140 [ 7900.335837][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7900.335837][ T73] inet6_addr_add+0x4f8/0xa40 [ 7900.335837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7900.335837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.335837][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.335837][ T73] netlink_unicast+0x449/0x710 [ 7900.335837][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.335837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.335837][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.335837][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.335837][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.335837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.335837][ T73] [ 7900.337853][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7900.337853][ T73] netdev_get_by_index+0x5e/0x80 [ 7900.337853][ T73] fib6_nh_init+0x3d8/0x1580 [ 7900.337853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7900.337853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7900.337853][ T73] ipv6_add_addr+0x411/0x2000 [ 7900.337853][ T73] inet6_addr_add+0x30e/0xa40 [ 7900.337853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7900.337853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.337853][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.337853][ T73] netlink_unicast+0x449/0x710 [ 7900.337853][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.337853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.337853][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.337853][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.337853][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.337853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.337853][ T73] [ 7900.339981][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7900.339981][ T73] netdev_get_by_index+0x5e/0x80 [ 7900.339981][ T73] fib6_nh_init+0x3d8/0x1580 [ 7900.339981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7900.339981][ T73] ip6_route_add+0x1c/0x140 [ 7900.339981][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7900.339981][ T73] addrconf_add_dev+0xe2/0x170 [ 7900.339981][ T73] inet6_addr_add+0x12f/0xa40 [ 7900.339981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7900.339981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.339981][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.339981][ T73] netlink_unicast+0x449/0x710 [ 7900.339981][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.339981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.339981][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.339981][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.339981][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.339981][ T73] [ 7900.341941][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7900.341941][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7900.341941][ T73] ipv6_find_idev+0x102/0x170 [ 7900.341941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7900.341941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.341941][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.341941][ T73] netlink_unicast+0x449/0x710 [ 7900.341941][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.341941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.341941][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.341941][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.341941][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.341941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.341941][ T73] [ 7900.343477][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7900.343477][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7900.343477][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7900.343477][ T73] ipv6_find_idev+0x102/0x170 [ 7900.343477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7900.343477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.343477][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.343477][ T73] netlink_unicast+0x449/0x710 [ 7900.343477][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.343477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.343477][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.343477][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.343477][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.343477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.343477][ T73] [ 7900.345167][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7900.345414][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7900.345414][ T73] dst_init+0x84/0x4a0 [ 7900.345414][ T73] dst_alloc+0x97/0x150 [ 7900.345414][ T73] ip6_dst_alloc+0x23/0x90 [ 7900.345414][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7900.345414][ T73] ip6_pol_route+0x56f/0x840 [ 7900.345414][ T73] fib6_rule_lookup+0x456/0x630 [ 7900.345414][ T73] ip6_route_input+0x59c/0xa50 [ 7900.345414][ T73] ipv6_rcv+0x397/0x810 [ 7900.345414][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7900.345414][ T73] process_backlog+0x101/0x620 [ 7900.345414][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7900.345414][ T73] net_rx_action+0x495/0xbe0 [ 7900.345414][ T73] __do_softirq+0x1b5/0x7f6 [ 7900.345414][ T73] [ 7900.347046][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7900.347046][ T73] netdev_get_by_index+0x5e/0x80 [ 7900.347046][ T73] fib6_nh_init+0x3d8/0x1580 [ 7900.347046][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7900.347046][ T73] ip6_route_add+0x1c/0x140 [ 7900.347046][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7900.347046][ T73] inet6_addr_add+0x4f8/0xa40 [ 7900.347046][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7900.347046][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.347046][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.347046][ T73] netlink_unicast+0x449/0x710 [ 7900.347046][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.347046][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.347046][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.347046][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.347046][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.347046][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.347046][ T73] [ 7900.349029][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7900.349029][ T73] netdev_get_by_index+0x5e/0x80 [ 7900.349029][ T73] fib6_nh_init+0x3d8/0x1580 [ 7900.349029][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7900.349029][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7900.349029][ T73] ipv6_add_addr+0x411/0x2000 [ 7900.349029][ T73] inet6_addr_add+0x30e/0xa40 [ 7900.349029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7900.349029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.349029][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.349029][ T73] netlink_unicast+0x449/0x710 [ 7900.349029][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.349029][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.349029][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.349029][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.349029][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.349029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.349029][ T73] [ 7900.351015][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7900.351015][ T73] netdev_get_by_index+0x5e/0x80 [ 7900.351015][ T73] fib6_nh_init+0x3d8/0x1580 [ 7900.351015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7900.351015][ T73] ip6_route_add+0x1c/0x140 [ 7900.351015][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7900.351015][ T73] addrconf_add_dev+0xe2/0x170 [ 7900.351015][ T73] inet6_addr_add+0x12f/0xa40 [ 7900.351015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7900.351015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.351015][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.351015][ T73] netlink_unicast+0x449/0x710 [ 7900.351015][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.351015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.351015][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.351015][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.351015][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.351015][ T73] [ 7900.352968][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7900.352968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7900.352968][ T73] ipv6_find_idev+0x102/0x170 [ 7900.352968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7900.352968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.352968][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.352968][ T73] netlink_unicast+0x449/0x710 [ 7900.352968][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.352968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.352968][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.352968][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.352968][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.352968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.352968][ T73] [ 7900.354498][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7900.354498][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7900.354498][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7900.354498][ T73] ipv6_find_idev+0x102/0x170 [ 7900.354498][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7900.354498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7900.354498][ T73] netlink_rcv_skb+0x130/0x360 [ 7900.354498][ T73] netlink_unicast+0x449/0x710 [ 7900.354498][ T73] netlink_sendmsg+0x723/0xbe0 [ 7900.354498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7900.354498][ T73] ___sys_sendmsg+0xee/0x170 [ 7900.354498][ T73] __sys_sendmsg+0xcd/0x170 [ 7900.354498][ T73] do_syscall_64+0xc6/0x1e0 [ 7900.354498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7900.354498][ T73] [ 7901.013707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7901.014185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7901.014185][ T1076] netdev_get_by_index+0x5e/0x80 [ 7901.014185][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7901.014185][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7901.014185][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7901.014185][ T1076] ipv6_add_addr+0x411/0x2000 [ 7901.014185][ T1076] inet6_addr_add+0x30e/0xa40 [ 7901.014185][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7901.014185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7901.014185][ T1076] netlink_rcv_skb+0x130/0x360 [ 7901.014185][ T1076] netlink_unicast+0x449/0x710 [ 7901.014185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7901.014185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7901.014185][ T1076] ___sys_sendmsg+0xee/0x170 [ 7901.014185][ T1076] __sys_sendmsg+0xcd/0x170 [ 7901.014185][ T1076] do_syscall_64+0xc6/0x1e0 [ 7901.014185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7901.014185][ T1076] [ 7901.016452][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7901.016452][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7901.016452][ T1076] ipv6_find_idev+0x102/0x170 [ 7901.016452][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7901.016452][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7901.016452][ T1076] netlink_rcv_skb+0x130/0x360 [ 7901.016452][ T1076] netlink_unicast+0x449/0x710 [ 7901.016452][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7901.016452][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7901.016452][ T1076] ___sys_sendmsg+0xee/0x170 [ 7901.016452][ T1076] __sys_sendmsg+0xcd/0x170 [ 7901.016452][ T1076] do_syscall_64+0xc6/0x1e0 [ 7901.016452][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7901.016452][ T1076] [ 7901.018189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7901.018189][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7901.018189][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7901.018189][ T1076] ipv6_find_idev+0x102/0x170 [ 7901.018189][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7901.018189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7901.018189][ T1076] netlink_rcv_skb+0x130/0x360 [ 7901.018189][ T1076] netlink_unicast+0x449/0x710 [ 7901.018189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7901.018189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7901.018189][ T1076] ___sys_sendmsg+0xee/0x170 [ 7901.018189][ T1076] __sys_sendmsg+0xcd/0x170 [ 7901.018189][ T1076] do_syscall_64+0xc6/0x1e0 [ 7901.018189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7901.018189][ T1076] [ 7910.605737][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7910.606095][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7910.606095][ T73] dst_init+0x84/0x4a0 [ 7910.606095][ T73] dst_alloc+0x97/0x150 [ 7910.606095][ T73] ip6_dst_alloc+0x23/0x90 [ 7910.606095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7910.606095][ T73] ip6_pol_route+0x56f/0x840 [ 7910.606095][ T73] fib6_rule_lookup+0x456/0x630 [ 7910.606095][ T73] ip6_route_input+0x59c/0xa50 [ 7910.606095][ T73] ipv6_rcv+0x397/0x810 [ 7910.606095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7910.606095][ T73] process_backlog+0x101/0x620 [ 7910.606095][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7910.606095][ T73] net_rx_action+0x495/0xbe0 [ 7910.606095][ T73] __do_softirq+0x1b5/0x7f6 [ 7910.606095][ T73] [ 7910.607768][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7910.607768][ T73] netdev_get_by_index+0x5e/0x80 [ 7910.607768][ T73] fib6_nh_init+0x3d8/0x1580 [ 7910.607768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7910.607768][ T73] ip6_route_add+0x1c/0x140 [ 7910.607768][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7910.607768][ T73] inet6_addr_add+0x4f8/0xa40 [ 7910.607768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.607768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.607768][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.607768][ T73] netlink_unicast+0x449/0x710 [ 7910.607768][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.607768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.607768][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.607768][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.607768][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.607768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.607768][ T73] [ 7910.609769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7910.609769][ T73] netdev_get_by_index+0x5e/0x80 [ 7910.609769][ T73] fib6_nh_init+0x3d8/0x1580 [ 7910.609769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7910.609769][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7910.609769][ T73] ipv6_add_addr+0x411/0x2000 [ 7910.609769][ T73] inet6_addr_add+0x30e/0xa40 [ 7910.609769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.609769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.609769][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.609769][ T73] netlink_unicast+0x449/0x710 [ 7910.609769][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.609769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.609769][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.609769][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.609769][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.609769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.609769][ T73] [ 7910.611767][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7910.611767][ T73] netdev_get_by_index+0x5e/0x80 [ 7910.611767][ T73] fib6_nh_init+0x3d8/0x1580 [ 7910.611767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7910.611767][ T73] ip6_route_add+0x1c/0x140 [ 7910.611767][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7910.611767][ T73] addrconf_add_dev+0xe2/0x170 [ 7910.611767][ T73] inet6_addr_add+0x12f/0xa40 [ 7910.611767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.611767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.611767][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.611767][ T73] netlink_unicast+0x449/0x710 [ 7910.611767][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.611767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.611767][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.611767][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.611767][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.611767][ T73] [ 7910.613725][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7910.613725][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7910.613725][ T73] ipv6_find_idev+0x102/0x170 [ 7910.613725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7910.613725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.613725][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.613725][ T73] netlink_unicast+0x449/0x710 [ 7910.613725][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.613725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.613725][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.613725][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.613725][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.613725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.613725][ T73] [ 7910.615262][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7910.615262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7910.615262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7910.615262][ T73] ipv6_find_idev+0x102/0x170 [ 7910.615262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7910.615262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.615262][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.615262][ T73] netlink_unicast+0x449/0x710 [ 7910.615262][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.615262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.615262][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.615262][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.615262][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.615262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.615262][ T73] [ 7910.616956][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7910.617200][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7910.617200][ T73] dst_init+0x84/0x4a0 [ 7910.617200][ T73] dst_alloc+0x97/0x150 [ 7910.617200][ T73] ip6_dst_alloc+0x23/0x90 [ 7910.617200][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7910.617200][ T73] ip6_pol_route+0x56f/0x840 [ 7910.617200][ T73] fib6_rule_lookup+0x456/0x630 [ 7910.617200][ T73] ip6_route_input+0x59c/0xa50 [ 7910.617200][ T73] ipv6_rcv+0x397/0x810 [ 7910.617200][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7910.617200][ T73] process_backlog+0x101/0x620 [ 7910.617200][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7910.617200][ T73] net_rx_action+0x495/0xbe0 [ 7910.617200][ T73] __do_softirq+0x1b5/0x7f6 [ 7910.617200][ T73] [ 7910.618825][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7910.618825][ T73] netdev_get_by_index+0x5e/0x80 [ 7910.618825][ T73] fib6_nh_init+0x3d8/0x1580 [ 7910.618825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7910.618825][ T73] ip6_route_add+0x1c/0x140 [ 7910.618825][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7910.618825][ T73] inet6_addr_add+0x4f8/0xa40 [ 7910.618825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.618825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.618825][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.618825][ T73] netlink_unicast+0x449/0x710 [ 7910.618825][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.618825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.618825][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.618825][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.618825][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.618825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.618825][ T73] [ 7910.620821][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7910.620821][ T73] netdev_get_by_index+0x5e/0x80 [ 7910.620821][ T73] fib6_nh_init+0x3d8/0x1580 [ 7910.620821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7910.620821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7910.620821][ T73] ipv6_add_addr+0x411/0x2000 [ 7910.620821][ T73] inet6_addr_add+0x30e/0xa40 [ 7910.620821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.620821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.620821][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.620821][ T73] netlink_unicast+0x449/0x710 [ 7910.620821][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.620821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.620821][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.620821][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.620821][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.620821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.620821][ T73] [ 7910.622800][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7910.622800][ T73] netdev_get_by_index+0x5e/0x80 [ 7910.622800][ T73] fib6_nh_init+0x3d8/0x1580 [ 7910.622800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7910.622800][ T73] ip6_route_add+0x1c/0x140 [ 7910.622800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7910.622800][ T73] addrconf_add_dev+0xe2/0x170 [ 7910.622800][ T73] inet6_addr_add+0x12f/0xa40 [ 7910.622800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7910.622800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.622800][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.622800][ T73] netlink_unicast+0x449/0x710 [ 7910.622800][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.622800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.622800][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.622800][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.622800][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.622800][ T73] [ 7910.624751][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7910.624751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7910.624751][ T73] ipv6_find_idev+0x102/0x170 [ 7910.624751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7910.624751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.624751][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.624751][ T73] netlink_unicast+0x449/0x710 [ 7910.624751][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.624751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.624751][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.624751][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.624751][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.624751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.624751][ T73] [ 7910.626279][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7910.626279][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7910.626279][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7910.626279][ T73] ipv6_find_idev+0x102/0x170 [ 7910.626279][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7910.626279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7910.626279][ T73] netlink_rcv_skb+0x130/0x360 [ 7910.626279][ T73] netlink_unicast+0x449/0x710 [ 7910.626279][ T73] netlink_sendmsg+0x723/0xbe0 [ 7910.626279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7910.626279][ T73] ___sys_sendmsg+0xee/0x170 [ 7910.626279][ T73] __sys_sendmsg+0xcd/0x170 [ 7910.626279][ T73] do_syscall_64+0xc6/0x1e0 [ 7910.626279][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7910.626279][ T73] [ 7911.261736][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7911.262186][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7911.262186][ T1076] netdev_get_by_index+0x5e/0x80 [ 7911.262186][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7911.262186][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7911.262186][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7911.262186][ T1076] ipv6_add_addr+0x411/0x2000 [ 7911.262186][ T1076] inet6_addr_add+0x30e/0xa40 [ 7911.262186][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7911.262186][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7911.262186][ T1076] netlink_rcv_skb+0x130/0x360 [ 7911.262186][ T1076] netlink_unicast+0x449/0x710 [ 7911.262186][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7911.262186][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7911.262186][ T1076] ___sys_sendmsg+0xee/0x170 [ 7911.262186][ T1076] __sys_sendmsg+0xcd/0x170 [ 7911.262186][ T1076] do_syscall_64+0xc6/0x1e0 [ 7911.262186][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7911.262186][ T1076] [ 7911.264465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7911.264465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7911.264465][ T1076] ipv6_find_idev+0x102/0x170 [ 7911.264465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7911.264465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7911.264465][ T1076] netlink_rcv_skb+0x130/0x360 [ 7911.264465][ T1076] netlink_unicast+0x449/0x710 [ 7911.264465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7911.264465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7911.264465][ T1076] ___sys_sendmsg+0xee/0x170 [ 7911.264465][ T1076] __sys_sendmsg+0xcd/0x170 [ 7911.264465][ T1076] do_syscall_64+0xc6/0x1e0 [ 7911.264465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7911.264465][ T1076] [ 7911.266209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7911.266209][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7911.266209][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7911.266209][ T1076] ipv6_find_idev+0x102/0x170 [ 7911.266209][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7911.266209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7911.266209][ T1076] netlink_rcv_skb+0x130/0x360 [ 7911.266209][ T1076] netlink_unicast+0x449/0x710 [ 7911.266209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7911.266209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7911.266209][ T1076] ___sys_sendmsg+0xee/0x170 [ 7911.266209][ T1076] __sys_sendmsg+0xcd/0x170 [ 7911.266209][ T1076] do_syscall_64+0xc6/0x1e0 [ 7911.266209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7911.266209][ T1076] [ 7920.877663][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7920.878015][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7920.878015][ T73] dst_init+0x84/0x4a0 [ 7920.878015][ T73] dst_alloc+0x97/0x150 [ 7920.878015][ T73] ip6_dst_alloc+0x23/0x90 [ 7920.878015][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7920.878015][ T73] ip6_pol_route+0x56f/0x840 [ 7920.878015][ T73] fib6_rule_lookup+0x456/0x630 [ 7920.878015][ T73] ip6_route_input+0x59c/0xa50 [ 7920.878015][ T73] ipv6_rcv+0x397/0x810 [ 7920.878015][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7920.878015][ T73] process_backlog+0x101/0x620 [ 7920.878015][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7920.878015][ T73] net_rx_action+0x495/0xbe0 [ 7920.878015][ T73] __do_softirq+0x1b5/0x7f6 [ 7920.878015][ T73] [ 7920.879675][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7920.879675][ T73] netdev_get_by_index+0x5e/0x80 [ 7920.879675][ T73] fib6_nh_init+0x3d8/0x1580 [ 7920.879675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7920.879675][ T73] ip6_route_add+0x1c/0x140 [ 7920.879675][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7920.879675][ T73] inet6_addr_add+0x4f8/0xa40 [ 7920.879675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.879675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.879675][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.879675][ T73] netlink_unicast+0x449/0x710 [ 7920.879675][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.879675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.879675][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.879675][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.879675][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.879675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.879675][ T73] [ 7920.881668][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7920.881668][ T73] netdev_get_by_index+0x5e/0x80 [ 7920.881668][ T73] fib6_nh_init+0x3d8/0x1580 [ 7920.881668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7920.881668][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7920.881668][ T73] ipv6_add_addr+0x411/0x2000 [ 7920.881668][ T73] inet6_addr_add+0x30e/0xa40 [ 7920.881668][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.881668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.881668][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.881668][ T73] netlink_unicast+0x449/0x710 [ 7920.881668][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.881668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.881668][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.881668][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.881668][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.881668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.881668][ T73] [ 7920.883682][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7920.883682][ T73] netdev_get_by_index+0x5e/0x80 [ 7920.883682][ T73] fib6_nh_init+0x3d8/0x1580 [ 7920.883682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7920.883682][ T73] ip6_route_add+0x1c/0x140 [ 7920.883682][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7920.883682][ T73] addrconf_add_dev+0xe2/0x170 [ 7920.883682][ T73] inet6_addr_add+0x12f/0xa40 [ 7920.883682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.883682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.883682][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.883682][ T73] netlink_unicast+0x449/0x710 [ 7920.883682][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.883682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.883682][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.883682][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.883682][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.883682][ T73] [ 7920.885635][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7920.885635][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7920.885635][ T73] ipv6_find_idev+0x102/0x170 [ 7920.885635][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.885635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.885635][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.885635][ T73] netlink_unicast+0x449/0x710 [ 7920.885635][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.885635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.885635][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.885635][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.885635][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.885635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.885635][ T73] [ 7920.887180][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7920.887180][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7920.887180][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7920.887180][ T73] ipv6_find_idev+0x102/0x170 [ 7920.887180][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.887180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.887180][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.887180][ T73] netlink_unicast+0x449/0x710 [ 7920.887180][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.887180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.887180][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.887180][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.887180][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.887180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.887180][ T73] [ 7920.888866][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7920.889107][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7920.889107][ T73] dst_init+0x84/0x4a0 [ 7920.889107][ T73] dst_alloc+0x97/0x150 [ 7920.889107][ T73] ip6_dst_alloc+0x23/0x90 [ 7920.889107][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7920.889107][ T73] ip6_pol_route+0x56f/0x840 [ 7920.889107][ T73] fib6_rule_lookup+0x456/0x630 [ 7920.889107][ T73] ip6_route_input+0x59c/0xa50 [ 7920.889107][ T73] ipv6_rcv+0x397/0x810 [ 7920.889107][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7920.889107][ T73] process_backlog+0x101/0x620 [ 7920.889107][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7920.889107][ T73] net_rx_action+0x495/0xbe0 [ 7920.889107][ T73] __do_softirq+0x1b5/0x7f6 [ 7920.889107][ T73] [ 7920.890731][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7920.890731][ T73] netdev_get_by_index+0x5e/0x80 [ 7920.890731][ T73] fib6_nh_init+0x3d8/0x1580 [ 7920.890731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7920.890731][ T73] ip6_route_add+0x1c/0x140 [ 7920.890731][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7920.890731][ T73] inet6_addr_add+0x4f8/0xa40 [ 7920.890731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.890731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.890731][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.890731][ T73] netlink_unicast+0x449/0x710 [ 7920.890731][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.890731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.890731][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.890731][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.890731][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.890731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.890731][ T73] [ 7920.892720][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7920.892720][ T73] netdev_get_by_index+0x5e/0x80 [ 7920.892720][ T73] fib6_nh_init+0x3d8/0x1580 [ 7920.892720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7920.892720][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7920.892720][ T73] ipv6_add_addr+0x411/0x2000 [ 7920.892720][ T73] inet6_addr_add+0x30e/0xa40 [ 7920.892720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.892720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.892720][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.892720][ T73] netlink_unicast+0x449/0x710 [ 7920.892720][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.892720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.892720][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.892720][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.892720][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.892720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.892720][ T73] [ 7920.894703][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7920.894703][ T73] netdev_get_by_index+0x5e/0x80 [ 7920.894703][ T73] fib6_nh_init+0x3d8/0x1580 [ 7920.894703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7920.894703][ T73] ip6_route_add+0x1c/0x140 [ 7920.894703][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7920.894703][ T73] addrconf_add_dev+0xe2/0x170 [ 7920.894703][ T73] inet6_addr_add+0x12f/0xa40 [ 7920.894703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7920.894703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.894703][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.894703][ T73] netlink_unicast+0x449/0x710 [ 7920.894703][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.894703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.894703][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.894703][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.894703][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.894703][ T73] [ 7920.896700][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7920.896700][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7920.896700][ T73] ipv6_find_idev+0x102/0x170 [ 7920.896700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.896700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.896700][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.896700][ T73] netlink_unicast+0x449/0x710 [ 7920.896700][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.896700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.896700][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.896700][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.896700][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.896700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.896700][ T73] [ 7920.898232][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7920.898232][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7920.898232][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7920.898232][ T73] ipv6_find_idev+0x102/0x170 [ 7920.898232][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7920.898232][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7920.898232][ T73] netlink_rcv_skb+0x130/0x360 [ 7920.898232][ T73] netlink_unicast+0x449/0x710 [ 7920.898232][ T73] netlink_sendmsg+0x723/0xbe0 [ 7920.898232][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7920.898232][ T73] ___sys_sendmsg+0xee/0x170 [ 7920.898232][ T73] __sys_sendmsg+0xcd/0x170 [ 7920.898232][ T73] do_syscall_64+0xc6/0x1e0 [ 7920.898232][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7920.898232][ T73] [ 7921.509700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7921.510232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7921.510232][ T1076] netdev_get_by_index+0x5e/0x80 [ 7921.510232][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7921.510232][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7921.510232][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7921.510232][ T1076] ipv6_add_addr+0x411/0x2000 [ 7921.510232][ T1076] inet6_addr_add+0x30e/0xa40 [ 7921.510232][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7921.510232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7921.510232][ T1076] netlink_rcv_skb+0x130/0x360 [ 7921.510232][ T1076] netlink_unicast+0x449/0x710 [ 7921.510232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7921.510232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7921.510232][ T1076] ___sys_sendmsg+0xee/0x170 [ 7921.510232][ T1076] __sys_sendmsg+0xcd/0x170 [ 7921.510232][ T1076] do_syscall_64+0xc6/0x1e0 [ 7921.510232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7921.510232][ T1076] [ 7921.512515][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7921.512515][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7921.512515][ T1076] ipv6_find_idev+0x102/0x170 [ 7921.512515][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7921.512515][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7921.512515][ T1076] netlink_rcv_skb+0x130/0x360 [ 7921.512515][ T1076] netlink_unicast+0x449/0x710 [ 7921.512515][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7921.512515][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7921.512515][ T1076] ___sys_sendmsg+0xee/0x170 [ 7921.512515][ T1076] __sys_sendmsg+0xcd/0x170 [ 7921.512515][ T1076] do_syscall_64+0xc6/0x1e0 [ 7921.512515][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7921.512515][ T1076] [ 7921.514263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7921.514263][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7921.514263][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7921.514263][ T1076] ipv6_find_idev+0x102/0x170 [ 7921.514263][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7921.514263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7921.514263][ T1076] netlink_rcv_skb+0x130/0x360 [ 7921.514263][ T1076] netlink_unicast+0x449/0x710 [ 7921.514263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7921.514263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7921.514263][ T1076] ___sys_sendmsg+0xee/0x170 [ 7921.514263][ T1076] __sys_sendmsg+0xcd/0x170 [ 7921.514263][ T1076] do_syscall_64+0xc6/0x1e0 [ 7921.514263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7921.514263][ T1076] [ 7931.149723][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7931.150090][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7931.150090][ T73] dst_init+0x84/0x4a0 [ 7931.150090][ T73] dst_alloc+0x97/0x150 [ 7931.150090][ T73] ip6_dst_alloc+0x23/0x90 [ 7931.150090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7931.150090][ T73] ip6_pol_route+0x56f/0x840 [ 7931.150090][ T73] fib6_rule_lookup+0x456/0x630 [ 7931.150090][ T73] ip6_route_input+0x59c/0xa50 [ 7931.150090][ T73] ipv6_rcv+0x397/0x810 [ 7931.150090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7931.150090][ T73] process_backlog+0x101/0x620 [ 7931.150090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7931.150090][ T73] net_rx_action+0x495/0xbe0 [ 7931.150090][ T73] __do_softirq+0x1b5/0x7f6 [ 7931.150090][ T73] [ 7931.151752][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7931.151752][ T73] netdev_get_by_index+0x5e/0x80 [ 7931.151752][ T73] fib6_nh_init+0x3d8/0x1580 [ 7931.151752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7931.151752][ T73] ip6_route_add+0x1c/0x140 [ 7931.151752][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7931.151752][ T73] inet6_addr_add+0x4f8/0xa40 [ 7931.151752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.151752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.151752][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.151752][ T73] netlink_unicast+0x449/0x710 [ 7931.151752][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.151752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.151752][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.151752][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.151752][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.151752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.151752][ T73] [ 7931.153742][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7931.153742][ T73] netdev_get_by_index+0x5e/0x80 [ 7931.153742][ T73] fib6_nh_init+0x3d8/0x1580 [ 7931.153742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7931.153742][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7931.153742][ T73] ipv6_add_addr+0x411/0x2000 [ 7931.153742][ T73] inet6_addr_add+0x30e/0xa40 [ 7931.153742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.153742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.153742][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.153742][ T73] netlink_unicast+0x449/0x710 [ 7931.153742][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.153742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.153742][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.153742][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.153742][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.153742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.153742][ T73] [ 7931.155724][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7931.155724][ T73] netdev_get_by_index+0x5e/0x80 [ 7931.155724][ T73] fib6_nh_init+0x3d8/0x1580 [ 7931.155724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7931.155724][ T73] ip6_route_add+0x1c/0x140 [ 7931.155724][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7931.155724][ T73] addrconf_add_dev+0xe2/0x170 [ 7931.155724][ T73] inet6_addr_add+0x12f/0xa40 [ 7931.155724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.155724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.155724][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.155724][ T73] netlink_unicast+0x449/0x710 [ 7931.155724][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.155724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.155724][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.155724][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.155724][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.155724][ T73] [ 7931.157691][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7931.157691][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7931.157691][ T73] ipv6_find_idev+0x102/0x170 [ 7931.157691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7931.157691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.157691][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.157691][ T73] netlink_unicast+0x449/0x710 [ 7931.157691][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.157691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.157691][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.157691][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.157691][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.157691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.157691][ T73] [ 7931.159215][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7931.159215][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7931.159215][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7931.159215][ T73] ipv6_find_idev+0x102/0x170 [ 7931.159215][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7931.159215][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.159215][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.159215][ T73] netlink_unicast+0x449/0x710 [ 7931.159215][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.159215][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.159215][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.159215][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.159215][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.159215][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.159215][ T73] [ 7931.160891][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7931.161131][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7931.161131][ T73] dst_init+0x84/0x4a0 [ 7931.161131][ T73] dst_alloc+0x97/0x150 [ 7931.161131][ T73] ip6_dst_alloc+0x23/0x90 [ 7931.161131][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7931.161131][ T73] ip6_pol_route+0x56f/0x840 [ 7931.161131][ T73] fib6_rule_lookup+0x456/0x630 [ 7931.161131][ T73] ip6_route_input+0x59c/0xa50 [ 7931.161131][ T73] ipv6_rcv+0x397/0x810 [ 7931.161131][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7931.161131][ T73] process_backlog+0x101/0x620 [ 7931.161131][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7931.161131][ T73] net_rx_action+0x495/0xbe0 [ 7931.161131][ T73] __do_softirq+0x1b5/0x7f6 [ 7931.161131][ T73] [ 7931.162771][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7931.162771][ T73] netdev_get_by_index+0x5e/0x80 [ 7931.162771][ T73] fib6_nh_init+0x3d8/0x1580 [ 7931.162771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7931.162771][ T73] ip6_route_add+0x1c/0x140 [ 7931.162771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7931.162771][ T73] inet6_addr_add+0x4f8/0xa40 [ 7931.162771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.162771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.162771][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.162771][ T73] netlink_unicast+0x449/0x710 [ 7931.162771][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.162771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.162771][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.162771][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.162771][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.162771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.162771][ T73] [ 7931.164755][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7931.164755][ T73] netdev_get_by_index+0x5e/0x80 [ 7931.164755][ T73] fib6_nh_init+0x3d8/0x1580 [ 7931.164755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7931.164755][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7931.164755][ T73] ipv6_add_addr+0x411/0x2000 [ 7931.164755][ T73] inet6_addr_add+0x30e/0xa40 [ 7931.164755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.164755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.164755][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.164755][ T73] netlink_unicast+0x449/0x710 [ 7931.164755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.164755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.164755][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.164755][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.164755][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.164755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.164755][ T73] [ 7931.166739][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7931.166739][ T73] netdev_get_by_index+0x5e/0x80 [ 7931.166739][ T73] fib6_nh_init+0x3d8/0x1580 [ 7931.166739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7931.166739][ T73] ip6_route_add+0x1c/0x140 [ 7931.166739][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7931.166739][ T73] addrconf_add_dev+0xe2/0x170 [ 7931.166739][ T73] inet6_addr_add+0x12f/0xa40 [ 7931.166739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.166739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.166739][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.166739][ T73] netlink_unicast+0x449/0x710 [ 7931.166739][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.166739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.166739][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.166739][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.166739][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.166739][ T73] [ 7931.168683][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7931.168683][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7931.168683][ T73] ipv6_find_idev+0x102/0x170 [ 7931.168683][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7931.168683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.168683][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.168683][ T73] netlink_unicast+0x449/0x710 [ 7931.168683][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.168683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.168683][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.168683][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.168683][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.168683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.168683][ T73] [ 7931.170207][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7931.170207][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7931.170207][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7931.170207][ T73] ipv6_find_idev+0x102/0x170 [ 7931.170207][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7931.170207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.170207][ T73] netlink_rcv_skb+0x130/0x360 [ 7931.170207][ T73] netlink_unicast+0x449/0x710 [ 7931.170207][ T73] netlink_sendmsg+0x723/0xbe0 [ 7931.170207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7931.170207][ T73] ___sys_sendmsg+0xee/0x170 [ 7931.170207][ T73] __sys_sendmsg+0xcd/0x170 [ 7931.170207][ T73] do_syscall_64+0xc6/0x1e0 [ 7931.170207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.170207][ T73] [ 7931.757644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7931.758173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7931.758173][ T1076] netdev_get_by_index+0x5e/0x80 [ 7931.758173][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7931.758173][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7931.758173][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7931.758173][ T1076] ipv6_add_addr+0x411/0x2000 [ 7931.758173][ T1076] inet6_addr_add+0x30e/0xa40 [ 7931.758173][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7931.758173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.758173][ T1076] netlink_rcv_skb+0x130/0x360 [ 7931.758173][ T1076] netlink_unicast+0x449/0x710 [ 7931.758173][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7931.758173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7931.758173][ T1076] ___sys_sendmsg+0xee/0x170 [ 7931.758173][ T1076] __sys_sendmsg+0xcd/0x170 [ 7931.758173][ T1076] do_syscall_64+0xc6/0x1e0 [ 7931.758173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.758173][ T1076] [ 7931.760454][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7931.760454][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7931.760454][ T1076] ipv6_find_idev+0x102/0x170 [ 7931.760454][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7931.760454][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.760454][ T1076] netlink_rcv_skb+0x130/0x360 [ 7931.760454][ T1076] netlink_unicast+0x449/0x710 [ 7931.760454][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7931.760454][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7931.760454][ T1076] ___sys_sendmsg+0xee/0x170 [ 7931.760454][ T1076] __sys_sendmsg+0xcd/0x170 [ 7931.760454][ T1076] do_syscall_64+0xc6/0x1e0 [ 7931.760454][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.760454][ T1076] [ 7931.762213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7931.762213][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7931.762213][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7931.762213][ T1076] ipv6_find_idev+0x102/0x170 [ 7931.762213][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7931.762213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7931.762213][ T1076] netlink_rcv_skb+0x130/0x360 [ 7931.762213][ T1076] netlink_unicast+0x449/0x710 [ 7931.762213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7931.762213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7931.762213][ T1076] ___sys_sendmsg+0xee/0x170 [ 7931.762213][ T1076] __sys_sendmsg+0xcd/0x170 [ 7931.762213][ T1076] do_syscall_64+0xc6/0x1e0 [ 7931.762213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7931.762213][ T1076] [ 7941.421714][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7941.422067][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7941.422067][ T73] dst_init+0x84/0x4a0 [ 7941.422067][ T73] dst_alloc+0x97/0x150 [ 7941.422067][ T73] ip6_dst_alloc+0x23/0x90 [ 7941.422067][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7941.422067][ T73] ip6_pol_route+0x56f/0x840 [ 7941.422067][ T73] fib6_rule_lookup+0x456/0x630 [ 7941.422067][ T73] ip6_route_input+0x59c/0xa50 [ 7941.422067][ T73] ipv6_rcv+0x397/0x810 [ 7941.422067][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7941.422067][ T73] process_backlog+0x101/0x620 [ 7941.422067][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7941.422067][ T73] net_rx_action+0x495/0xbe0 [ 7941.422067][ T73] __do_softirq+0x1b5/0x7f6 [ 7941.422067][ T73] [ 7941.423733][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7941.423733][ T73] netdev_get_by_index+0x5e/0x80 [ 7941.423733][ T73] fib6_nh_init+0x3d8/0x1580 [ 7941.423733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7941.423733][ T73] ip6_route_add+0x1c/0x140 [ 7941.423733][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7941.423733][ T73] inet6_addr_add+0x4f8/0xa40 [ 7941.423733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7941.423733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.423733][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.423733][ T73] netlink_unicast+0x449/0x710 [ 7941.423733][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.423733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.423733][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.423733][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.423733][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.423733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.423733][ T73] [ 7941.425723][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7941.425723][ T73] netdev_get_by_index+0x5e/0x80 [ 7941.425723][ T73] fib6_nh_init+0x3d8/0x1580 [ 7941.425723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7941.425723][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7941.425723][ T73] ipv6_add_addr+0x411/0x2000 [ 7941.425723][ T73] inet6_addr_add+0x30e/0xa40 [ 7941.425723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7941.425723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.425723][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.425723][ T73] netlink_unicast+0x449/0x710 [ 7941.425723][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.425723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.425723][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.425723][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.425723][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.425723][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.425723][ T73] [ 7941.427727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7941.427727][ T73] netdev_get_by_index+0x5e/0x80 [ 7941.427727][ T73] fib6_nh_init+0x3d8/0x1580 [ 7941.427727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7941.427727][ T73] ip6_route_add+0x1c/0x140 [ 7941.427727][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7941.427727][ T73] addrconf_add_dev+0xe2/0x170 [ 7941.427727][ T73] inet6_addr_add+0x12f/0xa40 [ 7941.427727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7941.427727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.427727][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.427727][ T73] netlink_unicast+0x449/0x710 [ 7941.427727][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.427727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.427727][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.427727][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.427727][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.427727][ T73] [ 7941.429695][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7941.429695][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7941.429695][ T73] ipv6_find_idev+0x102/0x170 [ 7941.429695][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7941.429695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.429695][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.429695][ T73] netlink_unicast+0x449/0x710 [ 7941.429695][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.429695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.429695][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.429695][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.429695][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.429695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.429695][ T73] [ 7941.431229][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7941.431229][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7941.431229][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7941.431229][ T73] ipv6_find_idev+0x102/0x170 [ 7941.431229][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7941.431229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.431229][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.431229][ T73] netlink_unicast+0x449/0x710 [ 7941.431229][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.431229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.431229][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.431229][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.431229][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.431229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.431229][ T73] [ 7941.432953][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7941.433195][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7941.433195][ T73] dst_init+0x84/0x4a0 [ 7941.433195][ T73] dst_alloc+0x97/0x150 [ 7941.433195][ T73] ip6_dst_alloc+0x23/0x90 [ 7941.433195][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7941.433195][ T73] ip6_pol_route+0x56f/0x840 [ 7941.433195][ T73] fib6_rule_lookup+0x456/0x630 [ 7941.433195][ T73] ip6_route_input+0x59c/0xa50 [ 7941.433195][ T73] ipv6_rcv+0x397/0x810 [ 7941.433195][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7941.433195][ T73] process_backlog+0x101/0x620 [ 7941.433195][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7941.433195][ T73] net_rx_action+0x495/0xbe0 [ 7941.433195][ T73] __do_softirq+0x1b5/0x7f6 [ 7941.433195][ T73] [ 7941.434828][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7941.434828][ T73] netdev_get_by_index+0x5e/0x80 [ 7941.434828][ T73] fib6_nh_init+0x3d8/0x1580 [ 7941.434828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7941.434828][ T73] ip6_route_add+0x1c/0x140 [ 7941.434828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7941.434828][ T73] inet6_addr_add+0x4f8/0xa40 [ 7941.434828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7941.434828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.434828][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.434828][ T73] netlink_unicast+0x449/0x710 [ 7941.434828][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.434828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.434828][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.434828][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.434828][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.434828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.434828][ T73] [ 7941.436836][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7941.436836][ T73] netdev_get_by_index+0x5e/0x80 [ 7941.436836][ T73] fib6_nh_init+0x3d8/0x1580 [ 7941.436836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7941.436836][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7941.436836][ T73] ipv6_add_addr+0x411/0x2000 [ 7941.436836][ T73] inet6_addr_add+0x30e/0xa40 [ 7941.436836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7941.436836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.436836][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.436836][ T73] netlink_unicast+0x449/0x710 [ 7941.436836][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.436836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.436836][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.436836][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.436836][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.436836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.436836][ T73] [ 7941.438822][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7941.438822][ T73] netdev_get_by_index+0x5e/0x80 [ 7941.438822][ T73] fib6_nh_init+0x3d8/0x1580 [ 7941.438822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7941.438822][ T73] ip6_route_add+0x1c/0x140 [ 7941.438822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7941.438822][ T73] addrconf_add_dev+0xe2/0x170 [ 7941.438822][ T73] inet6_addr_add+0x12f/0xa40 [ 7941.438822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7941.438822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.438822][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.438822][ T73] netlink_unicast+0x449/0x710 [ 7941.438822][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.438822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.438822][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.438822][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.438822][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.438822][ T73] [ 7941.440778][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7941.440778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7941.440778][ T73] ipv6_find_idev+0x102/0x170 [ 7941.440778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7941.440778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.440778][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.440778][ T73] netlink_unicast+0x449/0x710 [ 7941.440778][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.440778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.440778][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.440778][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.440778][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.440778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.440778][ T73] [ 7941.442308][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7941.442308][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7941.442308][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7941.442308][ T73] ipv6_find_idev+0x102/0x170 [ 7941.442308][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7941.442308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7941.442308][ T73] netlink_rcv_skb+0x130/0x360 [ 7941.442308][ T73] netlink_unicast+0x449/0x710 [ 7941.442308][ T73] netlink_sendmsg+0x723/0xbe0 [ 7941.442308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7941.442308][ T73] ___sys_sendmsg+0xee/0x170 [ 7941.442308][ T73] __sys_sendmsg+0xcd/0x170 [ 7941.442308][ T73] do_syscall_64+0xc6/0x1e0 [ 7941.442308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7941.442308][ T73] [ 7942.005699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7942.006152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7942.006152][ T1076] netdev_get_by_index+0x5e/0x80 [ 7942.006152][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7942.006152][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7942.006152][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7942.006152][ T1076] ipv6_add_addr+0x411/0x2000 [ 7942.006152][ T1076] inet6_addr_add+0x30e/0xa40 [ 7942.006152][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7942.006152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.006152][ T1076] netlink_rcv_skb+0x130/0x360 [ 7942.006152][ T1076] netlink_unicast+0x449/0x710 [ 7942.006152][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7942.006152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7942.006152][ T1076] ___sys_sendmsg+0xee/0x170 [ 7942.006152][ T1076] __sys_sendmsg+0xcd/0x170 [ 7942.006152][ T1076] do_syscall_64+0xc6/0x1e0 [ 7942.006152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.006152][ T1076] [ 7942.008443][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7942.008443][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7942.008443][ T1076] ipv6_find_idev+0x102/0x170 [ 7942.008443][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7942.008443][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.008443][ T1076] netlink_rcv_skb+0x130/0x360 [ 7942.008443][ T1076] netlink_unicast+0x449/0x710 [ 7942.008443][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7942.008443][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7942.008443][ T1076] ___sys_sendmsg+0xee/0x170 [ 7942.008443][ T1076] __sys_sendmsg+0xcd/0x170 [ 7942.008443][ T1076] do_syscall_64+0xc6/0x1e0 [ 7942.008443][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.008443][ T1076] [ 7942.010194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7942.010194][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7942.010194][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7942.010194][ T1076] ipv6_find_idev+0x102/0x170 [ 7942.010194][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7942.010194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7942.010194][ T1076] netlink_rcv_skb+0x130/0x360 [ 7942.010194][ T1076] netlink_unicast+0x449/0x710 [ 7942.010194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7942.010194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7942.010194][ T1076] ___sys_sendmsg+0xee/0x170 [ 7942.010194][ T1076] __sys_sendmsg+0xcd/0x170 [ 7942.010194][ T1076] do_syscall_64+0xc6/0x1e0 [ 7942.010194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7942.010194][ T1076] [ 7951.693709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7951.694138][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7951.694138][ T73] dst_init+0x84/0x4a0 [ 7951.694138][ T73] dst_alloc+0x97/0x150 [ 7951.694138][ T73] ip6_dst_alloc+0x23/0x90 [ 7951.694138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7951.694138][ T73] ip6_pol_route+0x56f/0x840 [ 7951.694138][ T73] fib6_rule_lookup+0x456/0x630 [ 7951.694138][ T73] ip6_route_input+0x59c/0xa50 [ 7951.694138][ T73] ipv6_rcv+0x397/0x810 [ 7951.694138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7951.694138][ T73] process_backlog+0x101/0x620 [ 7951.694138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7951.694138][ T73] net_rx_action+0x495/0xbe0 [ 7951.694138][ T73] __do_softirq+0x1b5/0x7f6 [ 7951.694138][ T73] [ 7951.695791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7951.695791][ T73] netdev_get_by_index+0x5e/0x80 [ 7951.695791][ T73] fib6_nh_init+0x3d8/0x1580 [ 7951.695791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7951.695791][ T73] ip6_route_add+0x1c/0x140 [ 7951.695791][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7951.695791][ T73] inet6_addr_add+0x4f8/0xa40 [ 7951.695791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.695791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.695791][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.695791][ T73] netlink_unicast+0x449/0x710 [ 7951.695791][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.695791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.695791][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.695791][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.695791][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.695791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.695791][ T73] [ 7951.697800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7951.697800][ T73] netdev_get_by_index+0x5e/0x80 [ 7951.697800][ T73] fib6_nh_init+0x3d8/0x1580 [ 7951.697800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7951.697800][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7951.697800][ T73] ipv6_add_addr+0x411/0x2000 [ 7951.697800][ T73] inet6_addr_add+0x30e/0xa40 [ 7951.697800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.697800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.697800][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.697800][ T73] netlink_unicast+0x449/0x710 [ 7951.697800][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.697800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.697800][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.697800][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.697800][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.697800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.697800][ T73] [ 7951.699786][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7951.699786][ T73] netdev_get_by_index+0x5e/0x80 [ 7951.699786][ T73] fib6_nh_init+0x3d8/0x1580 [ 7951.699786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7951.699786][ T73] ip6_route_add+0x1c/0x140 [ 7951.699786][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7951.699786][ T73] addrconf_add_dev+0xe2/0x170 [ 7951.699786][ T73] inet6_addr_add+0x12f/0xa40 [ 7951.699786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.699786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.699786][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.699786][ T73] netlink_unicast+0x449/0x710 [ 7951.699786][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.699786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.699786][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.699786][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.699786][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.699786][ T73] [ 7951.701755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7951.701755][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7951.701755][ T73] ipv6_find_idev+0x102/0x170 [ 7951.701755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7951.701755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.701755][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.701755][ T73] netlink_unicast+0x449/0x710 [ 7951.701755][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.701755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.701755][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.701755][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.701755][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.701755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.701755][ T73] [ 7951.703292][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7951.703292][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7951.703292][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7951.703292][ T73] ipv6_find_idev+0x102/0x170 [ 7951.703292][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7951.703292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.703292][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.703292][ T73] netlink_unicast+0x449/0x710 [ 7951.703292][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.703292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.703292][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.703292][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.703292][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.703292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.703292][ T73] [ 7951.704986][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7951.705224][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7951.705224][ T73] dst_init+0x84/0x4a0 [ 7951.705224][ T73] dst_alloc+0x97/0x150 [ 7951.705224][ T73] ip6_dst_alloc+0x23/0x90 [ 7951.705224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7951.705224][ T73] ip6_pol_route+0x56f/0x840 [ 7951.705224][ T73] fib6_rule_lookup+0x456/0x630 [ 7951.705224][ T73] ip6_route_input+0x59c/0xa50 [ 7951.705224][ T73] ipv6_rcv+0x397/0x810 [ 7951.705224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7951.705224][ T73] process_backlog+0x101/0x620 [ 7951.705224][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7951.705224][ T73] net_rx_action+0x495/0xbe0 [ 7951.705224][ T73] __do_softirq+0x1b5/0x7f6 [ 7951.705224][ T73] [ 7951.707390][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7951.707390][ T73] netdev_get_by_index+0x5e/0x80 [ 7951.707390][ T73] fib6_nh_init+0x3d8/0x1580 [ 7951.707390][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7951.707390][ T73] ip6_route_add+0x1c/0x140 [ 7951.707390][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7951.707390][ T73] inet6_addr_add+0x4f8/0xa40 [ 7951.707390][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.707390][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.707390][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.707390][ T73] netlink_unicast+0x449/0x710 [ 7951.707390][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.707390][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.707390][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.707390][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.707390][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.707390][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.707390][ T73] [ 7951.709386][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7951.709386][ T73] netdev_get_by_index+0x5e/0x80 [ 7951.709386][ T73] fib6_nh_init+0x3d8/0x1580 [ 7951.709386][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7951.709386][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7951.709386][ T73] ipv6_add_addr+0x411/0x2000 [ 7951.709386][ T73] inet6_addr_add+0x30e/0xa40 [ 7951.709386][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.709386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.709386][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.709386][ T73] netlink_unicast+0x449/0x710 [ 7951.709386][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.709386][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.709386][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.709386][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.709386][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.709386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.709386][ T73] [ 7951.711383][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7951.711383][ T73] netdev_get_by_index+0x5e/0x80 [ 7951.711383][ T73] fib6_nh_init+0x3d8/0x1580 [ 7951.711383][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7951.711383][ T73] ip6_route_add+0x1c/0x140 [ 7951.711383][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7951.711383][ T73] addrconf_add_dev+0xe2/0x170 [ 7951.711383][ T73] inet6_addr_add+0x12f/0xa40 [ 7951.711383][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7951.711383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.711383][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.711383][ T73] netlink_unicast+0x449/0x710 [ 7951.711383][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.711383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.711383][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.711383][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.711383][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.711383][ T73] [ 7951.713327][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7951.713327][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7951.713327][ T73] ipv6_find_idev+0x102/0x170 [ 7951.713327][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7951.713327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.713327][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.713327][ T73] netlink_unicast+0x449/0x710 [ 7951.713327][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.713327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.713327][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.713327][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.713327][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.713327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.713327][ T73] [ 7951.714856][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7951.714856][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7951.714856][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7951.714856][ T73] ipv6_find_idev+0x102/0x170 [ 7951.714856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7951.714856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7951.714856][ T73] netlink_rcv_skb+0x130/0x360 [ 7951.714856][ T73] netlink_unicast+0x449/0x710 [ 7951.714856][ T73] netlink_sendmsg+0x723/0xbe0 [ 7951.714856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7951.714856][ T73] ___sys_sendmsg+0xee/0x170 [ 7951.714856][ T73] __sys_sendmsg+0xcd/0x170 [ 7951.714856][ T73] do_syscall_64+0xc6/0x1e0 [ 7951.714856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7951.714856][ T73] [ 7952.253701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7952.254207][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7952.254207][ T1076] netdev_get_by_index+0x5e/0x80 [ 7952.254207][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7952.254207][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7952.254207][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7952.254207][ T1076] ipv6_add_addr+0x411/0x2000 [ 7952.254207][ T1076] inet6_addr_add+0x30e/0xa40 [ 7952.254207][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7952.254207][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7952.254207][ T1076] netlink_rcv_skb+0x130/0x360 [ 7952.254207][ T1076] netlink_unicast+0x449/0x710 [ 7952.254207][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7952.254207][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7952.254207][ T1076] ___sys_sendmsg+0xee/0x170 [ 7952.254207][ T1076] __sys_sendmsg+0xcd/0x170 [ 7952.254207][ T1076] do_syscall_64+0xc6/0x1e0 [ 7952.254207][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7952.254207][ T1076] [ 7952.256495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7952.256495][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7952.256495][ T1076] ipv6_find_idev+0x102/0x170 [ 7952.256495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7952.256495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7952.256495][ T1076] netlink_rcv_skb+0x130/0x360 [ 7952.256495][ T1076] netlink_unicast+0x449/0x710 [ 7952.256495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7952.256495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7952.256495][ T1076] ___sys_sendmsg+0xee/0x170 [ 7952.256495][ T1076] __sys_sendmsg+0xcd/0x170 [ 7952.256495][ T1076] do_syscall_64+0xc6/0x1e0 [ 7952.256495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7952.256495][ T1076] [ 7952.258242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7952.258242][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7952.258242][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7952.258242][ T1076] ipv6_find_idev+0x102/0x170 [ 7952.258242][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7952.258242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7952.258242][ T1076] netlink_rcv_skb+0x130/0x360 [ 7952.258242][ T1076] netlink_unicast+0x449/0x710 [ 7952.258242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7952.258242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7952.258242][ T1076] ___sys_sendmsg+0xee/0x170 [ 7952.258242][ T1076] __sys_sendmsg+0xcd/0x170 [ 7952.258242][ T1076] do_syscall_64+0xc6/0x1e0 [ 7952.258242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7952.258242][ T1076] [ 7961.965727][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7961.966158][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7961.966158][ T73] dst_init+0x84/0x4a0 [ 7961.966158][ T73] dst_alloc+0x97/0x150 [ 7961.966158][ T73] ip6_dst_alloc+0x23/0x90 [ 7961.966158][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7961.966158][ T73] ip6_pol_route+0x56f/0x840 [ 7961.966158][ T73] fib6_rule_lookup+0x456/0x630 [ 7961.966158][ T73] ip6_route_input+0x59c/0xa50 [ 7961.966158][ T73] ipv6_rcv+0x397/0x810 [ 7961.966158][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7961.966158][ T73] process_backlog+0x101/0x620 [ 7961.966158][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7961.966158][ T73] net_rx_action+0x495/0xbe0 [ 7961.966158][ T73] __do_softirq+0x1b5/0x7f6 [ 7961.966158][ T73] [ 7961.967846][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7961.967846][ T73] netdev_get_by_index+0x5e/0x80 [ 7961.967846][ T73] fib6_nh_init+0x3d8/0x1580 [ 7961.967846][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7961.967846][ T73] ip6_route_add+0x1c/0x140 [ 7961.967846][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7961.967846][ T73] inet6_addr_add+0x4f8/0xa40 [ 7961.967846][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.967846][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.967846][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.967846][ T73] netlink_unicast+0x449/0x710 [ 7961.967846][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.967846][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.967846][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.967846][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.967846][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.967846][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.967846][ T73] [ 7961.969840][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7961.969840][ T73] netdev_get_by_index+0x5e/0x80 [ 7961.969840][ T73] fib6_nh_init+0x3d8/0x1580 [ 7961.969840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7961.969840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7961.969840][ T73] ipv6_add_addr+0x411/0x2000 [ 7961.969840][ T73] inet6_addr_add+0x30e/0xa40 [ 7961.969840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.969840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.969840][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.969840][ T73] netlink_unicast+0x449/0x710 [ 7961.969840][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.969840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.969840][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.969840][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.969840][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.969840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.969840][ T73] [ 7961.971833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7961.971833][ T73] netdev_get_by_index+0x5e/0x80 [ 7961.971833][ T73] fib6_nh_init+0x3d8/0x1580 [ 7961.971833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7961.971833][ T73] ip6_route_add+0x1c/0x140 [ 7961.971833][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7961.971833][ T73] addrconf_add_dev+0xe2/0x170 [ 7961.971833][ T73] inet6_addr_add+0x12f/0xa40 [ 7961.971833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.971833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.971833][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.971833][ T73] netlink_unicast+0x449/0x710 [ 7961.971833][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.971833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.971833][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.971833][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.971833][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.971833][ T73] [ 7961.973816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7961.973816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7961.973816][ T73] ipv6_find_idev+0x102/0x170 [ 7961.973816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7961.973816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.973816][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.973816][ T73] netlink_unicast+0x449/0x710 [ 7961.973816][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.973816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.973816][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.973816][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.973816][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.973816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.973816][ T73] [ 7961.975341][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7961.975341][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7961.975341][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7961.975341][ T73] ipv6_find_idev+0x102/0x170 [ 7961.975341][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7961.975341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.975341][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.975341][ T73] netlink_unicast+0x449/0x710 [ 7961.975341][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.975341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.975341][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.975341][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.975341][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.975341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.975341][ T73] [ 7961.977030][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7961.977275][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7961.977275][ T73] dst_init+0x84/0x4a0 [ 7961.977275][ T73] dst_alloc+0x97/0x150 [ 7961.977275][ T73] ip6_dst_alloc+0x23/0x90 [ 7961.977275][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7961.977275][ T73] ip6_pol_route+0x56f/0x840 [ 7961.977275][ T73] fib6_rule_lookup+0x456/0x630 [ 7961.977275][ T73] ip6_route_input+0x59c/0xa50 [ 7961.977275][ T73] ipv6_rcv+0x397/0x810 [ 7961.977275][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7961.977275][ T73] process_backlog+0x101/0x620 [ 7961.977275][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7961.977275][ T73] net_rx_action+0x495/0xbe0 [ 7961.977275][ T73] __do_softirq+0x1b5/0x7f6 [ 7961.977275][ T73] [ 7961.978913][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7961.978913][ T73] netdev_get_by_index+0x5e/0x80 [ 7961.978913][ T73] fib6_nh_init+0x3d8/0x1580 [ 7961.978913][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7961.978913][ T73] ip6_route_add+0x1c/0x140 [ 7961.978913][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7961.978913][ T73] inet6_addr_add+0x4f8/0xa40 [ 7961.978913][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.978913][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.978913][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.978913][ T73] netlink_unicast+0x449/0x710 [ 7961.978913][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.978913][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.978913][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.978913][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.978913][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.978913][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.978913][ T73] [ 7961.980943][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7961.980943][ T73] netdev_get_by_index+0x5e/0x80 [ 7961.980943][ T73] fib6_nh_init+0x3d8/0x1580 [ 7961.980943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7961.980943][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7961.980943][ T73] ipv6_add_addr+0x411/0x2000 [ 7961.980943][ T73] inet6_addr_add+0x30e/0xa40 [ 7961.980943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.980943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.980943][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.980943][ T73] netlink_unicast+0x449/0x710 [ 7961.980943][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.980943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.980943][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.980943][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.980943][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.980943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.980943][ T73] [ 7961.982927][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7961.982927][ T73] netdev_get_by_index+0x5e/0x80 [ 7961.982927][ T73] fib6_nh_init+0x3d8/0x1580 [ 7961.982927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7961.982927][ T73] ip6_route_add+0x1c/0x140 [ 7961.982927][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7961.982927][ T73] addrconf_add_dev+0xe2/0x170 [ 7961.982927][ T73] inet6_addr_add+0x12f/0xa40 [ 7961.982927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7961.982927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.982927][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.982927][ T73] netlink_unicast+0x449/0x710 [ 7961.982927][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.982927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.982927][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.982927][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.982927][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.982927][ T73] [ 7961.984900][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7961.984900][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7961.984900][ T73] ipv6_find_idev+0x102/0x170 [ 7961.984900][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7961.984900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.984900][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.984900][ T73] netlink_unicast+0x449/0x710 [ 7961.984900][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.984900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.984900][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.984900][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.984900][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.984900][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.984900][ T73] [ 7961.986463][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7961.986463][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7961.986463][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7961.986463][ T73] ipv6_find_idev+0x102/0x170 [ 7961.986463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7961.986463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7961.986463][ T73] netlink_rcv_skb+0x130/0x360 [ 7961.986463][ T73] netlink_unicast+0x449/0x710 [ 7961.986463][ T73] netlink_sendmsg+0x723/0xbe0 [ 7961.986463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7961.986463][ T73] ___sys_sendmsg+0xee/0x170 [ 7961.986463][ T73] __sys_sendmsg+0xcd/0x170 [ 7961.986463][ T73] do_syscall_64+0xc6/0x1e0 [ 7961.986463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7961.986463][ T73] [ 7962.261730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7962.262220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7962.262220][ T1076] netdev_get_by_index+0x5e/0x80 [ 7962.262220][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7962.262220][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7962.262220][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7962.262220][ T1076] ipv6_add_addr+0x411/0x2000 [ 7962.262220][ T1076] inet6_addr_add+0x30e/0xa40 [ 7962.262220][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7962.262220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7962.262220][ T1076] netlink_rcv_skb+0x130/0x360 [ 7962.262220][ T1076] netlink_unicast+0x449/0x710 [ 7962.262220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7962.262220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7962.262220][ T1076] ___sys_sendmsg+0xee/0x170 [ 7962.262220][ T1076] __sys_sendmsg+0xcd/0x170 [ 7962.262220][ T1076] do_syscall_64+0xc6/0x1e0 [ 7962.262220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7962.262220][ T1076] [ 7962.264502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7962.264502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7962.264502][ T1076] ipv6_find_idev+0x102/0x170 [ 7962.264502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7962.264502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7962.264502][ T1076] netlink_rcv_skb+0x130/0x360 [ 7962.264502][ T1076] netlink_unicast+0x449/0x710 [ 7962.264502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7962.264502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7962.264502][ T1076] ___sys_sendmsg+0xee/0x170 [ 7962.264502][ T1076] __sys_sendmsg+0xcd/0x170 [ 7962.264502][ T1076] do_syscall_64+0xc6/0x1e0 [ 7962.264502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7962.264502][ T1076] [ 7962.266269][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7962.266269][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7962.266269][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7962.266269][ T1076] ipv6_find_idev+0x102/0x170 [ 7962.266269][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7962.266269][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7962.266269][ T1076] netlink_rcv_skb+0x130/0x360 [ 7962.266269][ T1076] netlink_unicast+0x449/0x710 [ 7962.266269][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7962.266269][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7962.266269][ T1076] ___sys_sendmsg+0xee/0x170 [ 7962.266269][ T1076] __sys_sendmsg+0xcd/0x170 [ 7962.266269][ T1076] do_syscall_64+0xc6/0x1e0 [ 7962.266269][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7962.266269][ T1076] [ 7971.989729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7971.990156][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7971.990156][ T73] dst_init+0x84/0x4a0 [ 7971.990156][ T73] dst_alloc+0x97/0x150 [ 7971.990156][ T73] ip6_dst_alloc+0x23/0x90 [ 7971.990156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7971.990156][ T73] ip6_pol_route+0x56f/0x840 [ 7971.990156][ T73] fib6_rule_lookup+0x456/0x630 [ 7971.990156][ T73] ip6_route_input+0x59c/0xa50 [ 7971.990156][ T73] ipv6_rcv+0x397/0x810 [ 7971.990156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7971.990156][ T73] process_backlog+0x101/0x620 [ 7971.990156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7971.990156][ T73] net_rx_action+0x495/0xbe0 [ 7971.990156][ T73] __do_softirq+0x1b5/0x7f6 [ 7971.990156][ T73] [ 7971.991828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7971.991828][ T73] netdev_get_by_index+0x5e/0x80 [ 7971.991828][ T73] fib6_nh_init+0x3d8/0x1580 [ 7971.991828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7971.991828][ T73] ip6_route_add+0x1c/0x140 [ 7971.991828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7971.991828][ T73] inet6_addr_add+0x4f8/0xa40 [ 7971.991828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.991828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.991828][ T73] netlink_rcv_skb+0x130/0x360 [ 7971.991828][ T73] netlink_unicast+0x449/0x710 [ 7971.991828][ T73] netlink_sendmsg+0x723/0xbe0 [ 7971.991828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7971.991828][ T73] ___sys_sendmsg+0xee/0x170 [ 7971.991828][ T73] __sys_sendmsg+0xcd/0x170 [ 7971.991828][ T73] do_syscall_64+0xc6/0x1e0 [ 7971.991828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.991828][ T73] [ 7971.993825][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7971.993825][ T73] netdev_get_by_index+0x5e/0x80 [ 7971.993825][ T73] fib6_nh_init+0x3d8/0x1580 [ 7971.993825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7971.993825][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7971.993825][ T73] ipv6_add_addr+0x411/0x2000 [ 7971.993825][ T73] inet6_addr_add+0x30e/0xa40 [ 7971.993825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.993825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.993825][ T73] netlink_rcv_skb+0x130/0x360 [ 7971.993825][ T73] netlink_unicast+0x449/0x710 [ 7971.993825][ T73] netlink_sendmsg+0x723/0xbe0 [ 7971.993825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7971.993825][ T73] ___sys_sendmsg+0xee/0x170 [ 7971.993825][ T73] __sys_sendmsg+0xcd/0x170 [ 7971.993825][ T73] do_syscall_64+0xc6/0x1e0 [ 7971.993825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.993825][ T73] [ 7971.995815][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7971.995815][ T73] netdev_get_by_index+0x5e/0x80 [ 7971.995815][ T73] fib6_nh_init+0x3d8/0x1580 [ 7971.995815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7971.995815][ T73] ip6_route_add+0x1c/0x140 [ 7971.995815][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7971.995815][ T73] addrconf_add_dev+0xe2/0x170 [ 7971.995815][ T73] inet6_addr_add+0x12f/0xa40 [ 7971.995815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7971.995815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.995815][ T73] netlink_rcv_skb+0x130/0x360 [ 7971.995815][ T73] netlink_unicast+0x449/0x710 [ 7971.995815][ T73] netlink_sendmsg+0x723/0xbe0 [ 7971.995815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7971.995815][ T73] ___sys_sendmsg+0xee/0x170 [ 7971.995815][ T73] __sys_sendmsg+0xcd/0x170 [ 7971.995815][ T73] do_syscall_64+0xc6/0x1e0 [ 7971.995815][ T73] [ 7971.997894][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7971.997894][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7971.997894][ T73] ipv6_find_idev+0x102/0x170 [ 7971.997894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7971.997894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7971.997894][ T73] netlink_rcv_skb+0x130/0x360 [ 7971.997894][ T73] netlink_unicast+0x449/0x710 [ 7971.997894][ T73] netlink_sendmsg+0x723/0xbe0 [ 7971.997894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7971.997894][ T73] ___sys_sendmsg+0xee/0x170 [ 7971.997894][ T73] __sys_sendmsg+0xcd/0x170 [ 7971.997894][ T73] do_syscall_64+0xc6/0x1e0 [ 7971.997894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7971.997894][ T73] [ 7972.000323][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7972.000323][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7972.000323][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7972.000323][ T73] ipv6_find_idev+0x102/0x170 [ 7972.000323][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7972.000323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.000323][ T73] netlink_rcv_skb+0x130/0x360 [ 7972.000323][ T73] netlink_unicast+0x449/0x710 [ 7972.000323][ T73] netlink_sendmsg+0x723/0xbe0 [ 7972.000323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7972.000323][ T73] ___sys_sendmsg+0xee/0x170 [ 7972.000323][ T73] __sys_sendmsg+0xcd/0x170 [ 7972.000323][ T73] do_syscall_64+0xc6/0x1e0 [ 7972.000323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.000323][ T73] [ 7972.002978][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7972.003350][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7972.003350][ T73] dst_init+0x84/0x4a0 [ 7972.003350][ T73] dst_alloc+0x97/0x150 [ 7972.003350][ T73] ip6_dst_alloc+0x23/0x90 [ 7972.003350][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7972.003350][ T73] ip6_pol_route+0x56f/0x840 [ 7972.003350][ T73] fib6_rule_lookup+0x456/0x630 [ 7972.003350][ T73] ip6_route_input+0x59c/0xa50 [ 7972.003350][ T73] ipv6_rcv+0x397/0x810 [ 7972.003350][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7972.003350][ T73] process_backlog+0x101/0x620 [ 7972.003350][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7972.003350][ T73] net_rx_action+0x495/0xbe0 [ 7972.003350][ T73] __do_softirq+0x1b5/0x7f6 [ 7972.003350][ T73] [ 7972.005925][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7972.005925][ T73] netdev_get_by_index+0x5e/0x80 [ 7972.005925][ T73] fib6_nh_init+0x3d8/0x1580 [ 7972.005925][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7972.005925][ T73] ip6_route_add+0x1c/0x140 [ 7972.005925][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7972.005925][ T73] inet6_addr_add+0x4f8/0xa40 [ 7972.005925][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7972.005925][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.005925][ T73] netlink_rcv_skb+0x130/0x360 [ 7972.005925][ T73] netlink_unicast+0x449/0x710 [ 7972.005925][ T73] netlink_sendmsg+0x723/0xbe0 [ 7972.005925][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7972.005925][ T73] ___sys_sendmsg+0xee/0x170 [ 7972.005925][ T73] __sys_sendmsg+0xcd/0x170 [ 7972.005925][ T73] do_syscall_64+0xc6/0x1e0 [ 7972.005925][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.005925][ T73] [ 7972.009068][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7972.009068][ T73] netdev_get_by_index+0x5e/0x80 [ 7972.009068][ T73] fib6_nh_init+0x3d8/0x1580 [ 7972.009068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7972.009068][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7972.009068][ T73] ipv6_add_addr+0x411/0x2000 [ 7972.009068][ T73] inet6_addr_add+0x30e/0xa40 [ 7972.009068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7972.009068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.009068][ T73] netlink_rcv_skb+0x130/0x360 [ 7972.009068][ T73] netlink_unicast+0x449/0x710 [ 7972.009068][ T73] netlink_sendmsg+0x723/0xbe0 [ 7972.009068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7972.009068][ T73] ___sys_sendmsg+0xee/0x170 [ 7972.009068][ T73] __sys_sendmsg+0xcd/0x170 [ 7972.009068][ T73] do_syscall_64+0xc6/0x1e0 [ 7972.009068][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.009068][ T73] [ 7972.012197][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7972.012197][ T73] netdev_get_by_index+0x5e/0x80 [ 7972.012197][ T73] fib6_nh_init+0x3d8/0x1580 [ 7972.012197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7972.012197][ T73] ip6_route_add+0x1c/0x140 [ 7972.012197][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7972.012197][ T73] addrconf_add_dev+0xe2/0x170 [ 7972.012197][ T73] inet6_addr_add+0x12f/0xa40 [ 7972.012197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7972.012197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.012197][ T73] netlink_rcv_skb+0x130/0x360 [ 7972.012197][ T73] netlink_unicast+0x449/0x710 [ 7972.012197][ T73] netlink_sendmsg+0x723/0xbe0 [ 7972.012197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7972.012197][ T73] ___sys_sendmsg+0xee/0x170 [ 7972.012197][ T73] __sys_sendmsg+0xcd/0x170 [ 7972.012197][ T73] do_syscall_64+0xc6/0x1e0 [ 7972.012197][ T73] [ 7972.015285][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7972.015285][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7972.015285][ T73] ipv6_find_idev+0x102/0x170 [ 7972.015285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7972.015285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.015285][ T73] netlink_rcv_skb+0x130/0x360 [ 7972.015285][ T73] netlink_unicast+0x449/0x710 [ 7972.015285][ T73] netlink_sendmsg+0x723/0xbe0 [ 7972.015285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7972.015285][ T73] ___sys_sendmsg+0xee/0x170 [ 7972.015285][ T73] __sys_sendmsg+0xcd/0x170 [ 7972.015285][ T73] do_syscall_64+0xc6/0x1e0 [ 7972.015285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.015285][ T73] [ 7972.017731][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7972.017731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7972.017731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7972.017731][ T73] ipv6_find_idev+0x102/0x170 [ 7972.017731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7972.017731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.017731][ T73] netlink_rcv_skb+0x130/0x360 [ 7972.017731][ T73] netlink_unicast+0x449/0x710 [ 7972.017731][ T73] netlink_sendmsg+0x723/0xbe0 [ 7972.017731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7972.017731][ T73] ___sys_sendmsg+0xee/0x170 [ 7972.017731][ T73] __sys_sendmsg+0xcd/0x170 [ 7972.017731][ T73] do_syscall_64+0xc6/0x1e0 [ 7972.017731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.017731][ T73] [ 7972.509717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7972.510233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7972.510233][ T1076] netdev_get_by_index+0x5e/0x80 [ 7972.510233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7972.510233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7972.510233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7972.510233][ T1076] ipv6_add_addr+0x411/0x2000 [ 7972.510233][ T1076] inet6_addr_add+0x30e/0xa40 [ 7972.510233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7972.510233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.510233][ T1076] netlink_rcv_skb+0x130/0x360 [ 7972.510233][ T1076] netlink_unicast+0x449/0x710 [ 7972.510233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7972.510233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7972.510233][ T1076] ___sys_sendmsg+0xee/0x170 [ 7972.510233][ T1076] __sys_sendmsg+0xcd/0x170 [ 7972.510233][ T1076] do_syscall_64+0xc6/0x1e0 [ 7972.510233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.510233][ T1076] [ 7972.512531][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7972.512531][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7972.512531][ T1076] ipv6_find_idev+0x102/0x170 [ 7972.512531][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7972.512531][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.512531][ T1076] netlink_rcv_skb+0x130/0x360 [ 7972.512531][ T1076] netlink_unicast+0x449/0x710 [ 7972.512531][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7972.512531][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7972.512531][ T1076] ___sys_sendmsg+0xee/0x170 [ 7972.512531][ T1076] __sys_sendmsg+0xcd/0x170 [ 7972.512531][ T1076] do_syscall_64+0xc6/0x1e0 [ 7972.512531][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.512531][ T1076] [ 7972.514274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7972.514274][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7972.514274][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7972.514274][ T1076] ipv6_find_idev+0x102/0x170 [ 7972.514274][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7972.514274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7972.514274][ T1076] netlink_rcv_skb+0x130/0x360 [ 7972.514274][ T1076] netlink_unicast+0x449/0x710 [ 7972.514274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7972.514274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7972.514274][ T1076] ___sys_sendmsg+0xee/0x170 [ 7972.514274][ T1076] __sys_sendmsg+0xcd/0x170 [ 7972.514274][ T1076] do_syscall_64+0xc6/0x1e0 [ 7972.514274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7972.514274][ T1076] [ 7982.261712][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7982.262128][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7982.262128][ T73] dst_init+0x84/0x4a0 [ 7982.262128][ T73] dst_alloc+0x97/0x150 [ 7982.262128][ T73] ip6_dst_alloc+0x23/0x90 [ 7982.262128][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7982.262128][ T73] ip6_pol_route+0x56f/0x840 [ 7982.262128][ T73] fib6_rule_lookup+0x456/0x630 [ 7982.262128][ T73] ip6_route_input+0x59c/0xa50 [ 7982.262128][ T73] ipv6_rcv+0x397/0x810 [ 7982.262128][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7982.262128][ T73] process_backlog+0x101/0x620 [ 7982.262128][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7982.262128][ T73] net_rx_action+0x495/0xbe0 [ 7982.262128][ T73] __do_softirq+0x1b5/0x7f6 [ 7982.262128][ T73] [ 7982.263812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7982.263812][ T73] netdev_get_by_index+0x5e/0x80 [ 7982.263812][ T73] fib6_nh_init+0x3d8/0x1580 [ 7982.263812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7982.263812][ T73] ip6_route_add+0x1c/0x140 [ 7982.263812][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7982.263812][ T73] inet6_addr_add+0x4f8/0xa40 [ 7982.263812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.263812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.263812][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.263812][ T73] netlink_unicast+0x449/0x710 [ 7982.263812][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.263812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.263812][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.263812][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.263812][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.263812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.263812][ T73] [ 7982.265820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7982.265820][ T73] netdev_get_by_index+0x5e/0x80 [ 7982.265820][ T73] fib6_nh_init+0x3d8/0x1580 [ 7982.265820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7982.265820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7982.265820][ T73] ipv6_add_addr+0x411/0x2000 [ 7982.265820][ T73] inet6_addr_add+0x30e/0xa40 [ 7982.265820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.265820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.265820][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.265820][ T73] netlink_unicast+0x449/0x710 [ 7982.265820][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.265820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.265820][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.265820][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.265820][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.265820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.265820][ T73] [ 7982.267827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7982.267827][ T73] netdev_get_by_index+0x5e/0x80 [ 7982.267827][ T73] fib6_nh_init+0x3d8/0x1580 [ 7982.267827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7982.267827][ T73] ip6_route_add+0x1c/0x140 [ 7982.267827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7982.267827][ T73] addrconf_add_dev+0xe2/0x170 [ 7982.267827][ T73] inet6_addr_add+0x12f/0xa40 [ 7982.267827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.267827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.267827][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.267827][ T73] netlink_unicast+0x449/0x710 [ 7982.267827][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.267827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.267827][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.267827][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.267827][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.267827][ T73] [ 7982.269787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7982.269787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7982.269787][ T73] ipv6_find_idev+0x102/0x170 [ 7982.269787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7982.269787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.269787][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.269787][ T73] netlink_unicast+0x449/0x710 [ 7982.269787][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.269787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.269787][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.269787][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.269787][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.269787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.269787][ T73] [ 7982.271325][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7982.271325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7982.271325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7982.271325][ T73] ipv6_find_idev+0x102/0x170 [ 7982.271325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7982.271325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.271325][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.271325][ T73] netlink_unicast+0x449/0x710 [ 7982.271325][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.271325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.271325][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.271325][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.271325][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.271325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.271325][ T73] [ 7982.273007][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7982.273260][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7982.273260][ T73] dst_init+0x84/0x4a0 [ 7982.273260][ T73] dst_alloc+0x97/0x150 [ 7982.273260][ T73] ip6_dst_alloc+0x23/0x90 [ 7982.273260][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7982.273260][ T73] ip6_pol_route+0x56f/0x840 [ 7982.273260][ T73] fib6_rule_lookup+0x456/0x630 [ 7982.273260][ T73] ip6_route_input+0x59c/0xa50 [ 7982.273260][ T73] ipv6_rcv+0x397/0x810 [ 7982.273260][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7982.273260][ T73] process_backlog+0x101/0x620 [ 7982.273260][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7982.273260][ T73] net_rx_action+0x495/0xbe0 [ 7982.273260][ T73] __do_softirq+0x1b5/0x7f6 [ 7982.273260][ T73] [ 7982.274889][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7982.274889][ T73] netdev_get_by_index+0x5e/0x80 [ 7982.274889][ T73] fib6_nh_init+0x3d8/0x1580 [ 7982.274889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7982.274889][ T73] ip6_route_add+0x1c/0x140 [ 7982.274889][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7982.274889][ T73] inet6_addr_add+0x4f8/0xa40 [ 7982.274889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.274889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.274889][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.274889][ T73] netlink_unicast+0x449/0x710 [ 7982.274889][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.274889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.274889][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.274889][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.274889][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.274889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.274889][ T73] [ 7982.276879][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7982.276879][ T73] netdev_get_by_index+0x5e/0x80 [ 7982.276879][ T73] fib6_nh_init+0x3d8/0x1580 [ 7982.276879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7982.276879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7982.276879][ T73] ipv6_add_addr+0x411/0x2000 [ 7982.276879][ T73] inet6_addr_add+0x30e/0xa40 [ 7982.276879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.276879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.276879][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.276879][ T73] netlink_unicast+0x449/0x710 [ 7982.276879][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.276879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.276879][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.276879][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.276879][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.276879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.276879][ T73] [ 7982.278876][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7982.278876][ T73] netdev_get_by_index+0x5e/0x80 [ 7982.278876][ T73] fib6_nh_init+0x3d8/0x1580 [ 7982.278876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7982.278876][ T73] ip6_route_add+0x1c/0x140 [ 7982.278876][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7982.278876][ T73] addrconf_add_dev+0xe2/0x170 [ 7982.278876][ T73] inet6_addr_add+0x12f/0xa40 [ 7982.278876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.278876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.278876][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.278876][ T73] netlink_unicast+0x449/0x710 [ 7982.278876][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.278876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.278876][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.278876][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.278876][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.278876][ T73] [ 7982.280830][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7982.280830][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7982.280830][ T73] ipv6_find_idev+0x102/0x170 [ 7982.280830][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7982.280830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.280830][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.280830][ T73] netlink_unicast+0x449/0x710 [ 7982.280830][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.280830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.280830][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.280830][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.280830][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.280830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.280830][ T73] [ 7982.282888][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7982.282888][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7982.282888][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7982.282888][ T73] ipv6_find_idev+0x102/0x170 [ 7982.282888][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7982.282888][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.282888][ T73] netlink_rcv_skb+0x130/0x360 [ 7982.282888][ T73] netlink_unicast+0x449/0x710 [ 7982.282888][ T73] netlink_sendmsg+0x723/0xbe0 [ 7982.282888][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7982.282888][ T73] ___sys_sendmsg+0xee/0x170 [ 7982.282888][ T73] __sys_sendmsg+0xcd/0x170 [ 7982.282888][ T73] do_syscall_64+0xc6/0x1e0 [ 7982.282888][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.282888][ T73] [ 7982.757665][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7982.758168][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7982.758168][ T1076] netdev_get_by_index+0x5e/0x80 [ 7982.758168][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7982.758168][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7982.758168][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7982.758168][ T1076] ipv6_add_addr+0x411/0x2000 [ 7982.758168][ T1076] inet6_addr_add+0x30e/0xa40 [ 7982.758168][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7982.758168][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.758168][ T1076] netlink_rcv_skb+0x130/0x360 [ 7982.758168][ T1076] netlink_unicast+0x449/0x710 [ 7982.758168][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7982.758168][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7982.758168][ T1076] ___sys_sendmsg+0xee/0x170 [ 7982.758168][ T1076] __sys_sendmsg+0xcd/0x170 [ 7982.758168][ T1076] do_syscall_64+0xc6/0x1e0 [ 7982.758168][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.758168][ T1076] [ 7982.760460][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7982.760460][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7982.760460][ T1076] ipv6_find_idev+0x102/0x170 [ 7982.760460][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7982.760460][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.760460][ T1076] netlink_rcv_skb+0x130/0x360 [ 7982.760460][ T1076] netlink_unicast+0x449/0x710 [ 7982.760460][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7982.760460][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7982.760460][ T1076] ___sys_sendmsg+0xee/0x170 [ 7982.760460][ T1076] __sys_sendmsg+0xcd/0x170 [ 7982.760460][ T1076] do_syscall_64+0xc6/0x1e0 [ 7982.760460][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.760460][ T1076] [ 7982.762206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7982.762206][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7982.762206][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7982.762206][ T1076] ipv6_find_idev+0x102/0x170 [ 7982.762206][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7982.762206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7982.762206][ T1076] netlink_rcv_skb+0x130/0x360 [ 7982.762206][ T1076] netlink_unicast+0x449/0x710 [ 7982.762206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7982.762206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7982.762206][ T1076] ___sys_sendmsg+0xee/0x170 [ 7982.762206][ T1076] __sys_sendmsg+0xcd/0x170 [ 7982.762206][ T1076] do_syscall_64+0xc6/0x1e0 [ 7982.762206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7982.762206][ T1076] [ 7988.517716][ T42] INFO: task modprobe:1264 blocked for more than 737 seconds. [ 7988.518053][ T42] Not tainted 6.8.0-virtme #1 [ 7988.518172][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 7988.518381][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 7988.518653][ T42] Call Trace: [ 7988.518755][ T42] [ 7988.518826][ T42] __schedule+0x705/0x1ac0 [ 7988.518961][ T42] ? __pfx___schedule+0x10/0x10 [ 7988.519086][ T42] ? schedule+0x1a5/0x210 [ 7988.519182][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7988.519314][ T42] ? mark_lock+0x38/0x3e0 [ 7988.519408][ T42] ? do_raw_spin_lock+0x131/0x270 [ 7988.519538][ T42] ? schedule+0x1a5/0x210 [ 7988.519650][ T42] schedule+0xdf/0x210 [ 7988.519749][ T42] schedule_preempt_disabled+0x15/0x30 [ 7988.519870][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 7988.519999][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 7988.520153][ T42] ? kasan_save_stack+0x34/0x50 [ 7988.520278][ T42] ? kasan_save_stack+0x24/0x50 [ 7988.520401][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 7988.520533][ T42] ? lock_acquire+0x1c1/0x220 [ 7988.520662][ T42] ? register_pernet_subsys+0x1a/0x50 [ 7988.520796][ T42] down_write+0x1c9/0x200 [ 7988.520893][ T42] ? __pfx_down_write+0x10/0x10 [ 7988.521015][ T42] ? __pfx___lock_release+0x10/0x10 [ 7988.521144][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 7988.521303][ T42] register_pernet_subsys+0x1a/0x50 [ 7988.521426][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 7988.521582][ T42] do_one_initcall+0xc8/0x3f0 [ 7988.521723][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 7988.521851][ T42] ? __create_object+0x5e/0xb0 [ 7988.521977][ T42] ? kasan_unpoison+0x27/0x60 [ 7988.522106][ T42] do_init_module+0x233/0x740 [ 7988.522238][ T42] load_module+0x16b5/0x2350 [ 7988.522372][ T42] ? __pfx_load_module+0x10/0x10 [ 7988.522499][ T42] ? kernel_read_file+0x3d2/0x520 [ 7988.522650][ T42] ? kernel_read_file+0x300/0x520 [ 7988.522777][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 7988.522908][ T42] ? init_module_from_file+0xd2/0x130 [ 7988.523033][ T42] init_module_from_file+0xd2/0x130 [ 7988.523156][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 7988.523310][ T42] ? __lock_release+0x103/0x460 [ 7988.523435][ T42] ? idempotent_init_module+0x32a/0x620 [ 7988.523570][ T42] ? idempotent_init_module+0x32a/0x620 [ 7988.523706][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 7988.523831][ T42] idempotent_init_module+0x342/0x620 [ 7988.523967][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 7988.524144][ T42] __x64_sys_finit_module+0xbe/0x130 [ 7988.524268][ T42] do_syscall_64+0xc6/0x1e0 [ 7988.524394][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7988.524547][ T42] RIP: 0033:0x7f6e8f82ce5d [ 7988.524689][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 7988.524878][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 7988.525058][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 7988.525241][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 7988.525421][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 7988.525613][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 7988.525812][ T42] [ 7988.525905][ T42] [ 7988.525905][ T42] Showing all locks held in the system: [ 7988.526086][ T42] 1 lock held by khungtaskd/42: [ 7988.526211][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 7988.526436][ T42] 3 locks held by kworker/u16:1/73: [ 7988.526555][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7988.526821][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7988.527037][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 7988.527254][ T42] 2 locks held by kworker/u20:1/76: [ 7988.527372][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 7988.527627][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 7988.527903][ T42] 1 lock held by modprobe/1264: [ 7988.528022][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 7988.528304][ T42] [ 7988.528367][ T42] ============================================= [ 7988.528367][ T42] [ 7992.525731][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 7992.526109][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 7992.526109][ T73] dst_init+0x84/0x4a0 [ 7992.526109][ T73] dst_alloc+0x97/0x150 [ 7992.526109][ T73] ip6_dst_alloc+0x23/0x90 [ 7992.526109][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7992.526109][ T73] ip6_pol_route+0x56f/0x840 [ 7992.526109][ T73] fib6_rule_lookup+0x456/0x630 [ 7992.526109][ T73] ip6_route_input+0x59c/0xa50 [ 7992.526109][ T73] ipv6_rcv+0x397/0x810 [ 7992.526109][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7992.526109][ T73] process_backlog+0x101/0x620 [ 7992.526109][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7992.526109][ T73] net_rx_action+0x495/0xbe0 [ 7992.526109][ T73] __do_softirq+0x1b5/0x7f6 [ 7992.526109][ T73] [ 7992.527773][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7992.527773][ T73] netdev_get_by_index+0x5e/0x80 [ 7992.527773][ T73] fib6_nh_init+0x3d8/0x1580 [ 7992.527773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7992.527773][ T73] ip6_route_add+0x1c/0x140 [ 7992.527773][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7992.527773][ T73] inet6_addr_add+0x4f8/0xa40 [ 7992.527773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.527773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.527773][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.527773][ T73] netlink_unicast+0x449/0x710 [ 7992.527773][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.527773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.527773][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.527773][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.527773][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.527773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.527773][ T73] [ 7992.529766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7992.529766][ T73] netdev_get_by_index+0x5e/0x80 [ 7992.529766][ T73] fib6_nh_init+0x3d8/0x1580 [ 7992.529766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7992.529766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7992.529766][ T73] ipv6_add_addr+0x411/0x2000 [ 7992.529766][ T73] inet6_addr_add+0x30e/0xa40 [ 7992.529766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.529766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.529766][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.529766][ T73] netlink_unicast+0x449/0x710 [ 7992.529766][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.529766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.529766][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.529766][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.529766][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.529766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.529766][ T73] [ 7992.531775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7992.531775][ T73] netdev_get_by_index+0x5e/0x80 [ 7992.531775][ T73] fib6_nh_init+0x3d8/0x1580 [ 7992.531775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7992.531775][ T73] ip6_route_add+0x1c/0x140 [ 7992.531775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7992.531775][ T73] addrconf_add_dev+0xe2/0x170 [ 7992.531775][ T73] inet6_addr_add+0x12f/0xa40 [ 7992.531775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.531775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.531775][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.531775][ T73] netlink_unicast+0x449/0x710 [ 7992.531775][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.531775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.531775][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.531775][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.531775][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.531775][ T73] [ 7992.533734][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7992.533734][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7992.533734][ T73] ipv6_find_idev+0x102/0x170 [ 7992.533734][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7992.533734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.533734][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.533734][ T73] netlink_unicast+0x449/0x710 [ 7992.533734][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.533734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.533734][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.533734][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.533734][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.533734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.533734][ T73] [ 7992.535268][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 7992.535268][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7992.535268][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7992.535268][ T73] ipv6_find_idev+0x102/0x170 [ 7992.535268][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7992.535268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.535268][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.535268][ T73] netlink_unicast+0x449/0x710 [ 7992.535268][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.535268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.535268][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.535268][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.535268][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.535268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.535268][ T73] [ 7992.536961][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 7992.537197][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7992.537197][ T73] dst_init+0x84/0x4a0 [ 7992.537197][ T73] dst_alloc+0x97/0x150 [ 7992.537197][ T73] ip6_dst_alloc+0x23/0x90 [ 7992.537197][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 7992.537197][ T73] ip6_pol_route+0x56f/0x840 [ 7992.537197][ T73] fib6_rule_lookup+0x456/0x630 [ 7992.537197][ T73] ip6_route_input+0x59c/0xa50 [ 7992.537197][ T73] ipv6_rcv+0x397/0x810 [ 7992.537197][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 7992.537197][ T73] process_backlog+0x101/0x620 [ 7992.537197][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 7992.537197][ T73] net_rx_action+0x495/0xbe0 [ 7992.537197][ T73] __do_softirq+0x1b5/0x7f6 [ 7992.537197][ T73] [ 7992.538837][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7992.538837][ T73] netdev_get_by_index+0x5e/0x80 [ 7992.538837][ T73] fib6_nh_init+0x3d8/0x1580 [ 7992.538837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7992.538837][ T73] ip6_route_add+0x1c/0x140 [ 7992.538837][ T73] addrconf_prefix_route+0x2a6/0x430 [ 7992.538837][ T73] inet6_addr_add+0x4f8/0xa40 [ 7992.538837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.538837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.538837][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.538837][ T73] netlink_unicast+0x449/0x710 [ 7992.538837][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.538837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.538837][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.538837][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.538837][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.538837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.538837][ T73] [ 7992.540826][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7992.540826][ T73] netdev_get_by_index+0x5e/0x80 [ 7992.540826][ T73] fib6_nh_init+0x3d8/0x1580 [ 7992.540826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7992.540826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 7992.540826][ T73] ipv6_add_addr+0x411/0x2000 [ 7992.540826][ T73] inet6_addr_add+0x30e/0xa40 [ 7992.540826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.540826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.540826][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.540826][ T73] netlink_unicast+0x449/0x710 [ 7992.540826][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.540826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.540826][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.540826][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.540826][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.540826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.540826][ T73] [ 7992.542823][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7992.542823][ T73] netdev_get_by_index+0x5e/0x80 [ 7992.542823][ T73] fib6_nh_init+0x3d8/0x1580 [ 7992.542823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 7992.542823][ T73] ip6_route_add+0x1c/0x140 [ 7992.542823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 7992.542823][ T73] addrconf_add_dev+0xe2/0x170 [ 7992.542823][ T73] inet6_addr_add+0x12f/0xa40 [ 7992.542823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 7992.542823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.542823][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.542823][ T73] netlink_unicast+0x449/0x710 [ 7992.542823][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.542823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.542823][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.542823][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.542823][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.542823][ T73] [ 7992.544787][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7992.544787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 7992.544787][ T73] ipv6_find_idev+0x102/0x170 [ 7992.544787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7992.544787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.544787][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.544787][ T73] netlink_unicast+0x449/0x710 [ 7992.544787][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.544787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.544787][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.544787][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.544787][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.544787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.544787][ T73] [ 7992.546333][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 7992.546333][ T73] neigh_parms_alloc+0x1e5/0x510 [ 7992.546333][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 7992.546333][ T73] ipv6_find_idev+0x102/0x170 [ 7992.546333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 7992.546333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7992.546333][ T73] netlink_rcv_skb+0x130/0x360 [ 7992.546333][ T73] netlink_unicast+0x449/0x710 [ 7992.546333][ T73] netlink_sendmsg+0x723/0xbe0 [ 7992.546333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 7992.546333][ T73] ___sys_sendmsg+0xee/0x170 [ 7992.546333][ T73] __sys_sendmsg+0xcd/0x170 [ 7992.546333][ T73] do_syscall_64+0xc6/0x1e0 [ 7992.546333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7992.546333][ T73] [ 7993.005653][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 7993.006165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7993.006165][ T1076] netdev_get_by_index+0x5e/0x80 [ 7993.006165][ T1076] fib6_nh_init+0x3d8/0x1580 [ 7993.006165][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 7993.006165][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 7993.006165][ T1076] ipv6_add_addr+0x411/0x2000 [ 7993.006165][ T1076] inet6_addr_add+0x30e/0xa40 [ 7993.006165][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 7993.006165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.006165][ T1076] netlink_rcv_skb+0x130/0x360 [ 7993.006165][ T1076] netlink_unicast+0x449/0x710 [ 7993.006165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7993.006165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7993.006165][ T1076] ___sys_sendmsg+0xee/0x170 [ 7993.006165][ T1076] __sys_sendmsg+0xcd/0x170 [ 7993.006165][ T1076] do_syscall_64+0xc6/0x1e0 [ 7993.006165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.006165][ T1076] [ 7993.008465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7993.008465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 7993.008465][ T1076] ipv6_find_idev+0x102/0x170 [ 7993.008465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7993.008465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.008465][ T1076] netlink_rcv_skb+0x130/0x360 [ 7993.008465][ T1076] netlink_unicast+0x449/0x710 [ 7993.008465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7993.008465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7993.008465][ T1076] ___sys_sendmsg+0xee/0x170 [ 7993.008465][ T1076] __sys_sendmsg+0xcd/0x170 [ 7993.008465][ T1076] do_syscall_64+0xc6/0x1e0 [ 7993.008465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.008465][ T1076] [ 7993.010215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 7993.010215][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 7993.010215][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 7993.010215][ T1076] ipv6_find_idev+0x102/0x170 [ 7993.010215][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 7993.010215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 7993.010215][ T1076] netlink_rcv_skb+0x130/0x360 [ 7993.010215][ T1076] netlink_unicast+0x449/0x710 [ 7993.010215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 7993.010215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 7993.010215][ T1076] ___sys_sendmsg+0xee/0x170 [ 7993.010215][ T1076] __sys_sendmsg+0xcd/0x170 [ 7993.010215][ T1076] do_syscall_64+0xc6/0x1e0 [ 7993.010215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 7993.010215][ T1076] [ 8002.789721][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8002.790135][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8002.790135][ T73] dst_init+0x84/0x4a0 [ 8002.790135][ T73] dst_alloc+0x97/0x150 [ 8002.790135][ T73] ip6_dst_alloc+0x23/0x90 [ 8002.790135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8002.790135][ T73] ip6_pol_route+0x56f/0x840 [ 8002.790135][ T73] fib6_rule_lookup+0x456/0x630 [ 8002.790135][ T73] ip6_route_input+0x59c/0xa50 [ 8002.790135][ T73] ipv6_rcv+0x397/0x810 [ 8002.790135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8002.790135][ T73] process_backlog+0x101/0x620 [ 8002.790135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8002.790135][ T73] net_rx_action+0x495/0xbe0 [ 8002.790135][ T73] __do_softirq+0x1b5/0x7f6 [ 8002.790135][ T73] [ 8002.791891][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8002.791891][ T73] netdev_get_by_index+0x5e/0x80 [ 8002.791891][ T73] fib6_nh_init+0x3d8/0x1580 [ 8002.791891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8002.791891][ T73] ip6_route_add+0x1c/0x140 [ 8002.791891][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8002.791891][ T73] inet6_addr_add+0x4f8/0xa40 [ 8002.791891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.791891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.791891][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.791891][ T73] netlink_unicast+0x449/0x710 [ 8002.791891][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.791891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.791891][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.791891][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.791891][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.791891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.791891][ T73] [ 8002.793885][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8002.793885][ T73] netdev_get_by_index+0x5e/0x80 [ 8002.793885][ T73] fib6_nh_init+0x3d8/0x1580 [ 8002.793885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8002.793885][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8002.793885][ T73] ipv6_add_addr+0x411/0x2000 [ 8002.793885][ T73] inet6_addr_add+0x30e/0xa40 [ 8002.793885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.793885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.793885][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.793885][ T73] netlink_unicast+0x449/0x710 [ 8002.793885][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.793885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.793885][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.793885][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.793885][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.793885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.793885][ T73] [ 8002.795877][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8002.795877][ T73] netdev_get_by_index+0x5e/0x80 [ 8002.795877][ T73] fib6_nh_init+0x3d8/0x1580 [ 8002.795877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8002.795877][ T73] ip6_route_add+0x1c/0x140 [ 8002.795877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8002.795877][ T73] addrconf_add_dev+0xe2/0x170 [ 8002.795877][ T73] inet6_addr_add+0x12f/0xa40 [ 8002.795877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.795877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.795877][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.795877][ T73] netlink_unicast+0x449/0x710 [ 8002.795877][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.795877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.795877][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.795877][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.795877][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.795877][ T73] [ 8002.797839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8002.797839][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8002.797839][ T73] ipv6_find_idev+0x102/0x170 [ 8002.797839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8002.797839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.797839][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.797839][ T73] netlink_unicast+0x449/0x710 [ 8002.797839][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.797839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.797839][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.797839][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.797839][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.797839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.797839][ T73] [ 8002.799398][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8002.799398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8002.799398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8002.799398][ T73] ipv6_find_idev+0x102/0x170 [ 8002.799398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8002.799398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.799398][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.799398][ T73] netlink_unicast+0x449/0x710 [ 8002.799398][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.799398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.799398][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.799398][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.799398][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.799398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.799398][ T73] [ 8002.801079][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8002.801334][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8002.801334][ T73] dst_init+0x84/0x4a0 [ 8002.801334][ T73] dst_alloc+0x97/0x150 [ 8002.801334][ T73] ip6_dst_alloc+0x23/0x90 [ 8002.801334][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8002.801334][ T73] ip6_pol_route+0x56f/0x840 [ 8002.801334][ T73] fib6_rule_lookup+0x456/0x630 [ 8002.801334][ T73] ip6_route_input+0x59c/0xa50 [ 8002.801334][ T73] ipv6_rcv+0x397/0x810 [ 8002.801334][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8002.801334][ T73] process_backlog+0x101/0x620 [ 8002.801334][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8002.801334][ T73] net_rx_action+0x495/0xbe0 [ 8002.801334][ T73] __do_softirq+0x1b5/0x7f6 [ 8002.801334][ T73] [ 8002.802971][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8002.802971][ T73] netdev_get_by_index+0x5e/0x80 [ 8002.802971][ T73] fib6_nh_init+0x3d8/0x1580 [ 8002.802971][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8002.802971][ T73] ip6_route_add+0x1c/0x140 [ 8002.802971][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8002.802971][ T73] inet6_addr_add+0x4f8/0xa40 [ 8002.802971][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.802971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.802971][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.802971][ T73] netlink_unicast+0x449/0x710 [ 8002.802971][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.802971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.802971][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.802971][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.802971][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.802971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.802971][ T73] [ 8002.804981][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8002.804981][ T73] netdev_get_by_index+0x5e/0x80 [ 8002.804981][ T73] fib6_nh_init+0x3d8/0x1580 [ 8002.804981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8002.804981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8002.804981][ T73] ipv6_add_addr+0x411/0x2000 [ 8002.804981][ T73] inet6_addr_add+0x30e/0xa40 [ 8002.804981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.804981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.804981][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.804981][ T73] netlink_unicast+0x449/0x710 [ 8002.804981][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.804981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.804981][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.804981][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.804981][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.804981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.804981][ T73] [ 8002.806988][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8002.806988][ T73] netdev_get_by_index+0x5e/0x80 [ 8002.806988][ T73] fib6_nh_init+0x3d8/0x1580 [ 8002.806988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8002.806988][ T73] ip6_route_add+0x1c/0x140 [ 8002.806988][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8002.806988][ T73] addrconf_add_dev+0xe2/0x170 [ 8002.806988][ T73] inet6_addr_add+0x12f/0xa40 [ 8002.806988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8002.806988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.806988][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.806988][ T73] netlink_unicast+0x449/0x710 [ 8002.806988][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.806988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.806988][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.806988][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.806988][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.806988][ T73] [ 8002.808949][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8002.808949][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8002.808949][ T73] ipv6_find_idev+0x102/0x170 [ 8002.808949][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8002.808949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.808949][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.808949][ T73] netlink_unicast+0x449/0x710 [ 8002.808949][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.808949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.808949][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.808949][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.808949][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.808949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.808949][ T73] [ 8002.810477][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8002.810477][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8002.810477][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8002.810477][ T73] ipv6_find_idev+0x102/0x170 [ 8002.810477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8002.810477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8002.810477][ T73] netlink_rcv_skb+0x130/0x360 [ 8002.810477][ T73] netlink_unicast+0x449/0x710 [ 8002.810477][ T73] netlink_sendmsg+0x723/0xbe0 [ 8002.810477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8002.810477][ T73] ___sys_sendmsg+0xee/0x170 [ 8002.810477][ T73] __sys_sendmsg+0xcd/0x170 [ 8002.810477][ T73] do_syscall_64+0xc6/0x1e0 [ 8002.810477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8002.810477][ T73] [ 8003.253716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8003.254223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8003.254223][ T1076] netdev_get_by_index+0x5e/0x80 [ 8003.254223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8003.254223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8003.254223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8003.254223][ T1076] ipv6_add_addr+0x411/0x2000 [ 8003.254223][ T1076] inet6_addr_add+0x30e/0xa40 [ 8003.254223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8003.254223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8003.254223][ T1076] netlink_rcv_skb+0x130/0x360 [ 8003.254223][ T1076] netlink_unicast+0x449/0x710 [ 8003.254223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8003.254223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8003.254223][ T1076] ___sys_sendmsg+0xee/0x170 [ 8003.254223][ T1076] __sys_sendmsg+0xcd/0x170 [ 8003.254223][ T1076] do_syscall_64+0xc6/0x1e0 [ 8003.254223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8003.254223][ T1076] [ 8003.256540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8003.256540][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8003.256540][ T1076] ipv6_find_idev+0x102/0x170 [ 8003.256540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8003.256540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8003.256540][ T1076] netlink_rcv_skb+0x130/0x360 [ 8003.256540][ T1076] netlink_unicast+0x449/0x710 [ 8003.256540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8003.256540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8003.256540][ T1076] ___sys_sendmsg+0xee/0x170 [ 8003.256540][ T1076] __sys_sendmsg+0xcd/0x170 [ 8003.256540][ T1076] do_syscall_64+0xc6/0x1e0 [ 8003.256540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8003.256540][ T1076] [ 8003.258291][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8003.258291][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8003.258291][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8003.258291][ T1076] ipv6_find_idev+0x102/0x170 [ 8003.258291][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8003.258291][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8003.258291][ T1076] netlink_rcv_skb+0x130/0x360 [ 8003.258291][ T1076] netlink_unicast+0x449/0x710 [ 8003.258291][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8003.258291][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8003.258291][ T1076] ___sys_sendmsg+0xee/0x170 [ 8003.258291][ T1076] __sys_sendmsg+0xcd/0x170 [ 8003.258291][ T1076] do_syscall_64+0xc6/0x1e0 [ 8003.258291][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8003.258291][ T1076] [ 8013.053726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8013.054153][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8013.054153][ T73] dst_init+0x84/0x4a0 [ 8013.054153][ T73] dst_alloc+0x97/0x150 [ 8013.054153][ T73] ip6_dst_alloc+0x23/0x90 [ 8013.054153][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8013.054153][ T73] ip6_pol_route+0x56f/0x840 [ 8013.054153][ T73] fib6_rule_lookup+0x456/0x630 [ 8013.054153][ T73] ip6_route_input+0x59c/0xa50 [ 8013.054153][ T73] ipv6_rcv+0x397/0x810 [ 8013.054153][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8013.054153][ T73] process_backlog+0x101/0x620 [ 8013.054153][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8013.054153][ T73] net_rx_action+0x495/0xbe0 [ 8013.054153][ T73] __do_softirq+0x1b5/0x7f6 [ 8013.054153][ T73] [ 8013.055839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8013.055839][ T73] netdev_get_by_index+0x5e/0x80 [ 8013.055839][ T73] fib6_nh_init+0x3d8/0x1580 [ 8013.055839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8013.055839][ T73] ip6_route_add+0x1c/0x140 [ 8013.055839][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8013.055839][ T73] inet6_addr_add+0x4f8/0xa40 [ 8013.055839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.055839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.055839][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.055839][ T73] netlink_unicast+0x449/0x710 [ 8013.055839][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.055839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.055839][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.055839][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.055839][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.055839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.055839][ T73] [ 8013.057864][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8013.057864][ T73] netdev_get_by_index+0x5e/0x80 [ 8013.057864][ T73] fib6_nh_init+0x3d8/0x1580 [ 8013.057864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8013.057864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8013.057864][ T73] ipv6_add_addr+0x411/0x2000 [ 8013.057864][ T73] inet6_addr_add+0x30e/0xa40 [ 8013.057864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.057864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.057864][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.057864][ T73] netlink_unicast+0x449/0x710 [ 8013.057864][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.057864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.057864][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.057864][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.057864][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.057864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.057864][ T73] [ 8013.059858][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8013.059858][ T73] netdev_get_by_index+0x5e/0x80 [ 8013.059858][ T73] fib6_nh_init+0x3d8/0x1580 [ 8013.059858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8013.059858][ T73] ip6_route_add+0x1c/0x140 [ 8013.059858][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8013.059858][ T73] addrconf_add_dev+0xe2/0x170 [ 8013.059858][ T73] inet6_addr_add+0x12f/0xa40 [ 8013.059858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.059858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.059858][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.059858][ T73] netlink_unicast+0x449/0x710 [ 8013.059858][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.059858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.059858][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.059858][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.059858][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.059858][ T73] [ 8013.061821][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8013.061821][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8013.061821][ T73] ipv6_find_idev+0x102/0x170 [ 8013.061821][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8013.061821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.061821][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.061821][ T73] netlink_unicast+0x449/0x710 [ 8013.061821][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.061821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.061821][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.061821][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.061821][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.061821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.061821][ T73] [ 8013.063360][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8013.063360][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8013.063360][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8013.063360][ T73] ipv6_find_idev+0x102/0x170 [ 8013.063360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8013.063360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.063360][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.063360][ T73] netlink_unicast+0x449/0x710 [ 8013.063360][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.063360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.063360][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.063360][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.063360][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.063360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.063360][ T73] [ 8013.065061][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8013.065313][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8013.065313][ T73] dst_init+0x84/0x4a0 [ 8013.065313][ T73] dst_alloc+0x97/0x150 [ 8013.065313][ T73] ip6_dst_alloc+0x23/0x90 [ 8013.065313][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8013.065313][ T73] ip6_pol_route+0x56f/0x840 [ 8013.065313][ T73] fib6_rule_lookup+0x456/0x630 [ 8013.065313][ T73] ip6_route_input+0x59c/0xa50 [ 8013.065313][ T73] ipv6_rcv+0x397/0x810 [ 8013.065313][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8013.065313][ T73] process_backlog+0x101/0x620 [ 8013.065313][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8013.065313][ T73] net_rx_action+0x495/0xbe0 [ 8013.065313][ T73] __do_softirq+0x1b5/0x7f6 [ 8013.065313][ T73] [ 8013.066965][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8013.066965][ T73] netdev_get_by_index+0x5e/0x80 [ 8013.066965][ T73] fib6_nh_init+0x3d8/0x1580 [ 8013.066965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8013.066965][ T73] ip6_route_add+0x1c/0x140 [ 8013.066965][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8013.066965][ T73] inet6_addr_add+0x4f8/0xa40 [ 8013.066965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.066965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.066965][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.066965][ T73] netlink_unicast+0x449/0x710 [ 8013.066965][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.066965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.066965][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.066965][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.066965][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.066965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.066965][ T73] [ 8013.068958][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8013.068958][ T73] netdev_get_by_index+0x5e/0x80 [ 8013.068958][ T73] fib6_nh_init+0x3d8/0x1580 [ 8013.068958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8013.068958][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8013.068958][ T73] ipv6_add_addr+0x411/0x2000 [ 8013.068958][ T73] inet6_addr_add+0x30e/0xa40 [ 8013.068958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.068958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.068958][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.068958][ T73] netlink_unicast+0x449/0x710 [ 8013.068958][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.068958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.068958][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.068958][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.068958][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.068958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.068958][ T73] [ 8013.070969][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8013.070969][ T73] netdev_get_by_index+0x5e/0x80 [ 8013.070969][ T73] fib6_nh_init+0x3d8/0x1580 [ 8013.070969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8013.070969][ T73] ip6_route_add+0x1c/0x140 [ 8013.070969][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8013.070969][ T73] addrconf_add_dev+0xe2/0x170 [ 8013.070969][ T73] inet6_addr_add+0x12f/0xa40 [ 8013.070969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.070969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.070969][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.070969][ T73] netlink_unicast+0x449/0x710 [ 8013.070969][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.070969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.070969][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.070969][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.070969][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.070969][ T73] [ 8013.072941][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8013.072941][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8013.072941][ T73] ipv6_find_idev+0x102/0x170 [ 8013.072941][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8013.072941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.072941][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.072941][ T73] netlink_unicast+0x449/0x710 [ 8013.072941][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.072941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.072941][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.072941][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.072941][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.072941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.072941][ T73] [ 8013.074482][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8013.074482][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8013.074482][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8013.074482][ T73] ipv6_find_idev+0x102/0x170 [ 8013.074482][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8013.074482][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.074482][ T73] netlink_rcv_skb+0x130/0x360 [ 8013.074482][ T73] netlink_unicast+0x449/0x710 [ 8013.074482][ T73] netlink_sendmsg+0x723/0xbe0 [ 8013.074482][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8013.074482][ T73] ___sys_sendmsg+0xee/0x170 [ 8013.074482][ T73] __sys_sendmsg+0xcd/0x170 [ 8013.074482][ T73] do_syscall_64+0xc6/0x1e0 [ 8013.074482][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.074482][ T73] [ 8013.501740][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8013.502247][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8013.502247][ T1076] netdev_get_by_index+0x5e/0x80 [ 8013.502247][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8013.502247][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8013.502247][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8013.502247][ T1076] ipv6_add_addr+0x411/0x2000 [ 8013.502247][ T1076] inet6_addr_add+0x30e/0xa40 [ 8013.502247][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8013.502247][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.502247][ T1076] netlink_rcv_skb+0x130/0x360 [ 8013.502247][ T1076] netlink_unicast+0x449/0x710 [ 8013.502247][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8013.502247][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8013.502247][ T1076] ___sys_sendmsg+0xee/0x170 [ 8013.502247][ T1076] __sys_sendmsg+0xcd/0x170 [ 8013.502247][ T1076] do_syscall_64+0xc6/0x1e0 [ 8013.502247][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.502247][ T1076] [ 8013.504540][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8013.504540][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8013.504540][ T1076] ipv6_find_idev+0x102/0x170 [ 8013.504540][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8013.504540][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.504540][ T1076] netlink_rcv_skb+0x130/0x360 [ 8013.504540][ T1076] netlink_unicast+0x449/0x710 [ 8013.504540][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8013.504540][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8013.504540][ T1076] ___sys_sendmsg+0xee/0x170 [ 8013.504540][ T1076] __sys_sendmsg+0xcd/0x170 [ 8013.504540][ T1076] do_syscall_64+0xc6/0x1e0 [ 8013.504540][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.504540][ T1076] [ 8013.506313][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8013.506313][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8013.506313][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8013.506313][ T1076] ipv6_find_idev+0x102/0x170 [ 8013.506313][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8013.506313][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8013.506313][ T1076] netlink_rcv_skb+0x130/0x360 [ 8013.506313][ T1076] netlink_unicast+0x449/0x710 [ 8013.506313][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8013.506313][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8013.506313][ T1076] ___sys_sendmsg+0xee/0x170 [ 8013.506313][ T1076] __sys_sendmsg+0xcd/0x170 [ 8013.506313][ T1076] do_syscall_64+0xc6/0x1e0 [ 8013.506313][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8013.506313][ T1076] [ 8023.317764][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8023.318217][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8023.318217][ T73] dst_init+0x84/0x4a0 [ 8023.318217][ T73] dst_alloc+0x97/0x150 [ 8023.318217][ T73] ip6_dst_alloc+0x23/0x90 [ 8023.318217][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8023.318217][ T73] ip6_pol_route+0x56f/0x840 [ 8023.318217][ T73] fib6_rule_lookup+0x456/0x630 [ 8023.318217][ T73] ip6_route_input+0x59c/0xa50 [ 8023.318217][ T73] ipv6_rcv+0x397/0x810 [ 8023.318217][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8023.318217][ T73] process_backlog+0x101/0x620 [ 8023.318217][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8023.318217][ T73] net_rx_action+0x495/0xbe0 [ 8023.318217][ T73] __do_softirq+0x1b5/0x7f6 [ 8023.318217][ T73] [ 8023.319894][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8023.319894][ T73] netdev_get_by_index+0x5e/0x80 [ 8023.319894][ T73] fib6_nh_init+0x3d8/0x1580 [ 8023.319894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8023.319894][ T73] ip6_route_add+0x1c/0x140 [ 8023.319894][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8023.319894][ T73] inet6_addr_add+0x4f8/0xa40 [ 8023.319894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.319894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.319894][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.319894][ T73] netlink_unicast+0x449/0x710 [ 8023.319894][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.319894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.319894][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.319894][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.319894][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.319894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.319894][ T73] [ 8023.321886][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8023.321886][ T73] netdev_get_by_index+0x5e/0x80 [ 8023.321886][ T73] fib6_nh_init+0x3d8/0x1580 [ 8023.321886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8023.321886][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8023.321886][ T73] ipv6_add_addr+0x411/0x2000 [ 8023.321886][ T73] inet6_addr_add+0x30e/0xa40 [ 8023.321886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.321886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.321886][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.321886][ T73] netlink_unicast+0x449/0x710 [ 8023.321886][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.321886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.321886][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.321886][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.321886][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.321886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.321886][ T73] [ 8023.323883][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8023.323883][ T73] netdev_get_by_index+0x5e/0x80 [ 8023.323883][ T73] fib6_nh_init+0x3d8/0x1580 [ 8023.323883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8023.323883][ T73] ip6_route_add+0x1c/0x140 [ 8023.323883][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8023.323883][ T73] addrconf_add_dev+0xe2/0x170 [ 8023.323883][ T73] inet6_addr_add+0x12f/0xa40 [ 8023.323883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.323883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.323883][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.323883][ T73] netlink_unicast+0x449/0x710 [ 8023.323883][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.323883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.323883][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.323883][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.323883][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.323883][ T73] [ 8023.325843][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8023.325843][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8023.325843][ T73] ipv6_find_idev+0x102/0x170 [ 8023.325843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8023.325843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.325843][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.325843][ T73] netlink_unicast+0x449/0x710 [ 8023.325843][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.325843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.325843][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.325843][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.325843][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.325843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.325843][ T73] [ 8023.327385][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8023.327385][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8023.327385][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8023.327385][ T73] ipv6_find_idev+0x102/0x170 [ 8023.327385][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8023.327385][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.327385][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.327385][ T73] netlink_unicast+0x449/0x710 [ 8023.327385][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.327385][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.327385][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.327385][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.327385][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.327385][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.327385][ T73] [ 8023.329082][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8023.329325][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8023.329325][ T73] dst_init+0x84/0x4a0 [ 8023.329325][ T73] dst_alloc+0x97/0x150 [ 8023.329325][ T73] ip6_dst_alloc+0x23/0x90 [ 8023.329325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8023.329325][ T73] ip6_pol_route+0x56f/0x840 [ 8023.329325][ T73] fib6_rule_lookup+0x456/0x630 [ 8023.329325][ T73] ip6_route_input+0x59c/0xa50 [ 8023.329325][ T73] ipv6_rcv+0x397/0x810 [ 8023.329325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8023.329325][ T73] process_backlog+0x101/0x620 [ 8023.329325][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8023.329325][ T73] net_rx_action+0x495/0xbe0 [ 8023.329325][ T73] __do_softirq+0x1b5/0x7f6 [ 8023.329325][ T73] [ 8023.330951][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8023.330951][ T73] netdev_get_by_index+0x5e/0x80 [ 8023.330951][ T73] fib6_nh_init+0x3d8/0x1580 [ 8023.330951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8023.330951][ T73] ip6_route_add+0x1c/0x140 [ 8023.330951][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8023.330951][ T73] inet6_addr_add+0x4f8/0xa40 [ 8023.330951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.330951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.330951][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.330951][ T73] netlink_unicast+0x449/0x710 [ 8023.330951][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.330951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.330951][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.330951][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.330951][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.330951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.330951][ T73] [ 8023.333466][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8023.333466][ T73] netdev_get_by_index+0x5e/0x80 [ 8023.333466][ T73] fib6_nh_init+0x3d8/0x1580 [ 8023.333466][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8023.333466][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8023.333466][ T73] ipv6_add_addr+0x411/0x2000 [ 8023.333466][ T73] inet6_addr_add+0x30e/0xa40 [ 8023.333466][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.333466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.333466][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.333466][ T73] netlink_unicast+0x449/0x710 [ 8023.333466][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.333466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.333466][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.333466][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.333466][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.333466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.333466][ T73] [ 8023.335460][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8023.335460][ T73] netdev_get_by_index+0x5e/0x80 [ 8023.335460][ T73] fib6_nh_init+0x3d8/0x1580 [ 8023.335460][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8023.335460][ T73] ip6_route_add+0x1c/0x140 [ 8023.335460][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8023.335460][ T73] addrconf_add_dev+0xe2/0x170 [ 8023.335460][ T73] inet6_addr_add+0x12f/0xa40 [ 8023.335460][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.335460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.335460][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.335460][ T73] netlink_unicast+0x449/0x710 [ 8023.335460][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.335460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.335460][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.335460][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.335460][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.335460][ T73] [ 8023.337443][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8023.337443][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8023.337443][ T73] ipv6_find_idev+0x102/0x170 [ 8023.337443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8023.337443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.337443][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.337443][ T73] netlink_unicast+0x449/0x710 [ 8023.337443][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.337443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.337443][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.337443][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.337443][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.337443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.337443][ T73] [ 8023.338989][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8023.338989][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8023.338989][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8023.338989][ T73] ipv6_find_idev+0x102/0x170 [ 8023.338989][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8023.338989][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.338989][ T73] netlink_rcv_skb+0x130/0x360 [ 8023.338989][ T73] netlink_unicast+0x449/0x710 [ 8023.338989][ T73] netlink_sendmsg+0x723/0xbe0 [ 8023.338989][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8023.338989][ T73] ___sys_sendmsg+0xee/0x170 [ 8023.338989][ T73] __sys_sendmsg+0xcd/0x170 [ 8023.338989][ T73] do_syscall_64+0xc6/0x1e0 [ 8023.338989][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.338989][ T73] [ 8023.749741][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8023.750257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8023.750257][ T1076] netdev_get_by_index+0x5e/0x80 [ 8023.750257][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8023.750257][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8023.750257][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8023.750257][ T1076] ipv6_add_addr+0x411/0x2000 [ 8023.750257][ T1076] inet6_addr_add+0x30e/0xa40 [ 8023.750257][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8023.750257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.750257][ T1076] netlink_rcv_skb+0x130/0x360 [ 8023.750257][ T1076] netlink_unicast+0x449/0x710 [ 8023.750257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8023.750257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8023.750257][ T1076] ___sys_sendmsg+0xee/0x170 [ 8023.750257][ T1076] __sys_sendmsg+0xcd/0x170 [ 8023.750257][ T1076] do_syscall_64+0xc6/0x1e0 [ 8023.750257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.750257][ T1076] [ 8023.752561][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8023.752561][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8023.752561][ T1076] ipv6_find_idev+0x102/0x170 [ 8023.752561][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8023.752561][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.752561][ T1076] netlink_rcv_skb+0x130/0x360 [ 8023.752561][ T1076] netlink_unicast+0x449/0x710 [ 8023.752561][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8023.752561][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8023.752561][ T1076] ___sys_sendmsg+0xee/0x170 [ 8023.752561][ T1076] __sys_sendmsg+0xcd/0x170 [ 8023.752561][ T1076] do_syscall_64+0xc6/0x1e0 [ 8023.752561][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.752561][ T1076] [ 8023.754312][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8023.754312][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8023.754312][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8023.754312][ T1076] ipv6_find_idev+0x102/0x170 [ 8023.754312][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8023.754312][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8023.754312][ T1076] netlink_rcv_skb+0x130/0x360 [ 8023.754312][ T1076] netlink_unicast+0x449/0x710 [ 8023.754312][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8023.754312][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8023.754312][ T1076] ___sys_sendmsg+0xee/0x170 [ 8023.754312][ T1076] __sys_sendmsg+0xcd/0x170 [ 8023.754312][ T1076] do_syscall_64+0xc6/0x1e0 [ 8023.754312][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8023.754312][ T1076] [ 8033.581725][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8033.582142][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8033.582142][ T73] dst_init+0x84/0x4a0 [ 8033.582142][ T73] dst_alloc+0x97/0x150 [ 8033.582142][ T73] ip6_dst_alloc+0x23/0x90 [ 8033.582142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8033.582142][ T73] ip6_pol_route+0x56f/0x840 [ 8033.582142][ T73] fib6_rule_lookup+0x456/0x630 [ 8033.582142][ T73] ip6_route_input+0x59c/0xa50 [ 8033.582142][ T73] ipv6_rcv+0x397/0x810 [ 8033.582142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8033.582142][ T73] process_backlog+0x101/0x620 [ 8033.582142][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8033.582142][ T73] net_rx_action+0x495/0xbe0 [ 8033.582142][ T73] __do_softirq+0x1b5/0x7f6 [ 8033.582142][ T73] [ 8033.583819][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8033.583819][ T73] netdev_get_by_index+0x5e/0x80 [ 8033.583819][ T73] fib6_nh_init+0x3d8/0x1580 [ 8033.583819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8033.583819][ T73] ip6_route_add+0x1c/0x140 [ 8033.583819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8033.583819][ T73] inet6_addr_add+0x4f8/0xa40 [ 8033.583819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.583819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.583819][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.583819][ T73] netlink_unicast+0x449/0x710 [ 8033.583819][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.583819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.583819][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.583819][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.583819][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.583819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.583819][ T73] [ 8033.585828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8033.585828][ T73] netdev_get_by_index+0x5e/0x80 [ 8033.585828][ T73] fib6_nh_init+0x3d8/0x1580 [ 8033.585828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8033.585828][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8033.585828][ T73] ipv6_add_addr+0x411/0x2000 [ 8033.585828][ T73] inet6_addr_add+0x30e/0xa40 [ 8033.585828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.585828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.585828][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.585828][ T73] netlink_unicast+0x449/0x710 [ 8033.585828][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.585828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.585828][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.585828][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.585828][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.585828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.585828][ T73] [ 8033.587826][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8033.587826][ T73] netdev_get_by_index+0x5e/0x80 [ 8033.587826][ T73] fib6_nh_init+0x3d8/0x1580 [ 8033.587826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8033.587826][ T73] ip6_route_add+0x1c/0x140 [ 8033.587826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8033.587826][ T73] addrconf_add_dev+0xe2/0x170 [ 8033.587826][ T73] inet6_addr_add+0x12f/0xa40 [ 8033.587826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.587826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.587826][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.587826][ T73] netlink_unicast+0x449/0x710 [ 8033.587826][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.587826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.587826][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.587826][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.587826][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.587826][ T73] [ 8033.589789][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8033.589789][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8033.589789][ T73] ipv6_find_idev+0x102/0x170 [ 8033.589789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8033.589789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.589789][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.589789][ T73] netlink_unicast+0x449/0x710 [ 8033.589789][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.589789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.589789][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.589789][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.589789][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.589789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.589789][ T73] [ 8033.591322][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8033.591322][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8033.591322][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8033.591322][ T73] ipv6_find_idev+0x102/0x170 [ 8033.591322][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8033.591322][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.591322][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.591322][ T73] netlink_unicast+0x449/0x710 [ 8033.591322][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.591322][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.591322][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.591322][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.591322][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.591322][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.591322][ T73] [ 8033.593003][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8033.593250][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8033.593250][ T73] dst_init+0x84/0x4a0 [ 8033.593250][ T73] dst_alloc+0x97/0x150 [ 8033.593250][ T73] ip6_dst_alloc+0x23/0x90 [ 8033.593250][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8033.593250][ T73] ip6_pol_route+0x56f/0x840 [ 8033.593250][ T73] fib6_rule_lookup+0x456/0x630 [ 8033.593250][ T73] ip6_route_input+0x59c/0xa50 [ 8033.593250][ T73] ipv6_rcv+0x397/0x810 [ 8033.593250][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8033.593250][ T73] process_backlog+0x101/0x620 [ 8033.593250][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8033.593250][ T73] net_rx_action+0x495/0xbe0 [ 8033.593250][ T73] __do_softirq+0x1b5/0x7f6 [ 8033.593250][ T73] [ 8033.594880][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8033.594880][ T73] netdev_get_by_index+0x5e/0x80 [ 8033.594880][ T73] fib6_nh_init+0x3d8/0x1580 [ 8033.594880][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8033.594880][ T73] ip6_route_add+0x1c/0x140 [ 8033.594880][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8033.594880][ T73] inet6_addr_add+0x4f8/0xa40 [ 8033.594880][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.594880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.594880][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.594880][ T73] netlink_unicast+0x449/0x710 [ 8033.594880][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.594880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.594880][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.594880][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.594880][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.594880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.594880][ T73] [ 8033.596879][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8033.596879][ T73] netdev_get_by_index+0x5e/0x80 [ 8033.596879][ T73] fib6_nh_init+0x3d8/0x1580 [ 8033.596879][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8033.596879][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8033.596879][ T73] ipv6_add_addr+0x411/0x2000 [ 8033.596879][ T73] inet6_addr_add+0x30e/0xa40 [ 8033.596879][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.596879][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.596879][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.596879][ T73] netlink_unicast+0x449/0x710 [ 8033.596879][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.596879][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.596879][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.596879][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.596879][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.596879][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.596879][ T73] [ 8033.598884][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8033.598884][ T73] netdev_get_by_index+0x5e/0x80 [ 8033.598884][ T73] fib6_nh_init+0x3d8/0x1580 [ 8033.598884][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8033.598884][ T73] ip6_route_add+0x1c/0x140 [ 8033.598884][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8033.598884][ T73] addrconf_add_dev+0xe2/0x170 [ 8033.598884][ T73] inet6_addr_add+0x12f/0xa40 [ 8033.598884][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.598884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.598884][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.598884][ T73] netlink_unicast+0x449/0x710 [ 8033.598884][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.598884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.598884][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.598884][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.598884][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.598884][ T73] [ 8033.600842][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8033.600842][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8033.600842][ T73] ipv6_find_idev+0x102/0x170 [ 8033.600842][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8033.600842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.600842][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.600842][ T73] netlink_unicast+0x449/0x710 [ 8033.600842][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.600842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.600842][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.600842][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.600842][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.600842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.600842][ T73] [ 8033.602381][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8033.602381][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8033.602381][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8033.602381][ T73] ipv6_find_idev+0x102/0x170 [ 8033.602381][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8033.602381][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.602381][ T73] netlink_rcv_skb+0x130/0x360 [ 8033.602381][ T73] netlink_unicast+0x449/0x710 [ 8033.602381][ T73] netlink_sendmsg+0x723/0xbe0 [ 8033.602381][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8033.602381][ T73] ___sys_sendmsg+0xee/0x170 [ 8033.602381][ T73] __sys_sendmsg+0xcd/0x170 [ 8033.602381][ T73] do_syscall_64+0xc6/0x1e0 [ 8033.602381][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.602381][ T73] [ 8033.997726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8033.998253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8033.998253][ T1076] netdev_get_by_index+0x5e/0x80 [ 8033.998253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8033.998253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8033.998253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8033.998253][ T1076] ipv6_add_addr+0x411/0x2000 [ 8033.998253][ T1076] inet6_addr_add+0x30e/0xa40 [ 8033.998253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8033.998253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8033.998253][ T1076] netlink_rcv_skb+0x130/0x360 [ 8033.998253][ T1076] netlink_unicast+0x449/0x710 [ 8033.998253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8033.998253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8033.998253][ T1076] ___sys_sendmsg+0xee/0x170 [ 8033.998253][ T1076] __sys_sendmsg+0xcd/0x170 [ 8033.998253][ T1076] do_syscall_64+0xc6/0x1e0 [ 8033.998253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8033.998253][ T1076] [ 8034.000551][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8034.000551][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8034.000551][ T1076] ipv6_find_idev+0x102/0x170 [ 8034.000551][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8034.000551][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.000551][ T1076] netlink_rcv_skb+0x130/0x360 [ 8034.000551][ T1076] netlink_unicast+0x449/0x710 [ 8034.000551][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8034.000551][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8034.000551][ T1076] ___sys_sendmsg+0xee/0x170 [ 8034.000551][ T1076] __sys_sendmsg+0xcd/0x170 [ 8034.000551][ T1076] do_syscall_64+0xc6/0x1e0 [ 8034.000551][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8034.000551][ T1076] [ 8034.002310][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8034.002310][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8034.002310][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8034.002310][ T1076] ipv6_find_idev+0x102/0x170 [ 8034.002310][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8034.002310][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8034.002310][ T1076] netlink_rcv_skb+0x130/0x360 [ 8034.002310][ T1076] netlink_unicast+0x449/0x710 [ 8034.002310][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8034.002310][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8034.002310][ T1076] ___sys_sendmsg+0xee/0x170 [ 8034.002310][ T1076] __sys_sendmsg+0xcd/0x170 [ 8034.002310][ T1076] do_syscall_64+0xc6/0x1e0 [ 8034.002310][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8034.002310][ T1076] [ 8043.845760][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8043.846192][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8043.846192][ T73] dst_init+0x84/0x4a0 [ 8043.846192][ T73] dst_alloc+0x97/0x150 [ 8043.846192][ T73] ip6_dst_alloc+0x23/0x90 [ 8043.846192][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8043.846192][ T73] ip6_pol_route+0x56f/0x840 [ 8043.846192][ T73] fib6_rule_lookup+0x456/0x630 [ 8043.846192][ T73] ip6_route_input+0x59c/0xa50 [ 8043.846192][ T73] ipv6_rcv+0x397/0x810 [ 8043.846192][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8043.846192][ T73] process_backlog+0x101/0x620 [ 8043.846192][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8043.846192][ T73] net_rx_action+0x495/0xbe0 [ 8043.846192][ T73] __do_softirq+0x1b5/0x7f6 [ 8043.846192][ T73] [ 8043.847847][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8043.847847][ T73] netdev_get_by_index+0x5e/0x80 [ 8043.847847][ T73] fib6_nh_init+0x3d8/0x1580 [ 8043.847847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8043.847847][ T73] ip6_route_add+0x1c/0x140 [ 8043.847847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8043.847847][ T73] inet6_addr_add+0x4f8/0xa40 [ 8043.847847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.847847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.847847][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.847847][ T73] netlink_unicast+0x449/0x710 [ 8043.847847][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.847847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.847847][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.847847][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.847847][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.847847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.847847][ T73] [ 8043.849854][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8043.849854][ T73] netdev_get_by_index+0x5e/0x80 [ 8043.849854][ T73] fib6_nh_init+0x3d8/0x1580 [ 8043.849854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8043.849854][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8043.849854][ T73] ipv6_add_addr+0x411/0x2000 [ 8043.849854][ T73] inet6_addr_add+0x30e/0xa40 [ 8043.849854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.849854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.849854][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.849854][ T73] netlink_unicast+0x449/0x710 [ 8043.849854][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.849854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.849854][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.849854][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.849854][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.849854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.849854][ T73] [ 8043.851836][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8043.851836][ T73] netdev_get_by_index+0x5e/0x80 [ 8043.851836][ T73] fib6_nh_init+0x3d8/0x1580 [ 8043.851836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8043.851836][ T73] ip6_route_add+0x1c/0x140 [ 8043.851836][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8043.851836][ T73] addrconf_add_dev+0xe2/0x170 [ 8043.851836][ T73] inet6_addr_add+0x12f/0xa40 [ 8043.851836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.851836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.851836][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.851836][ T73] netlink_unicast+0x449/0x710 [ 8043.851836][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.851836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.851836][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.851836][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.851836][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.851836][ T73] [ 8043.853790][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8043.853790][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8043.853790][ T73] ipv6_find_idev+0x102/0x170 [ 8043.853790][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8043.853790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.853790][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.853790][ T73] netlink_unicast+0x449/0x710 [ 8043.853790][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.853790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.853790][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.853790][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.853790][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.853790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.853790][ T73] [ 8043.855316][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8043.855316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8043.855316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8043.855316][ T73] ipv6_find_idev+0x102/0x170 [ 8043.855316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8043.855316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.855316][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.855316][ T73] netlink_unicast+0x449/0x710 [ 8043.855316][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.855316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.855316][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.855316][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.855316][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.855316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.855316][ T73] [ 8043.856997][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8043.857232][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8043.857232][ T73] dst_init+0x84/0x4a0 [ 8043.857232][ T73] dst_alloc+0x97/0x150 [ 8043.857232][ T73] ip6_dst_alloc+0x23/0x90 [ 8043.857232][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8043.857232][ T73] ip6_pol_route+0x56f/0x840 [ 8043.857232][ T73] fib6_rule_lookup+0x456/0x630 [ 8043.857232][ T73] ip6_route_input+0x59c/0xa50 [ 8043.857232][ T73] ipv6_rcv+0x397/0x810 [ 8043.857232][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8043.857232][ T73] process_backlog+0x101/0x620 [ 8043.857232][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8043.857232][ T73] net_rx_action+0x495/0xbe0 [ 8043.857232][ T73] __do_softirq+0x1b5/0x7f6 [ 8043.857232][ T73] [ 8043.858861][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8043.858861][ T73] netdev_get_by_index+0x5e/0x80 [ 8043.858861][ T73] fib6_nh_init+0x3d8/0x1580 [ 8043.858861][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8043.858861][ T73] ip6_route_add+0x1c/0x140 [ 8043.858861][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8043.858861][ T73] inet6_addr_add+0x4f8/0xa40 [ 8043.858861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.858861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.858861][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.858861][ T73] netlink_unicast+0x449/0x710 [ 8043.858861][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.858861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.858861][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.858861][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.858861][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.858861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.858861][ T73] [ 8043.860844][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8043.860844][ T73] netdev_get_by_index+0x5e/0x80 [ 8043.860844][ T73] fib6_nh_init+0x3d8/0x1580 [ 8043.860844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8043.860844][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8043.860844][ T73] ipv6_add_addr+0x411/0x2000 [ 8043.860844][ T73] inet6_addr_add+0x30e/0xa40 [ 8043.860844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.860844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.860844][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.860844][ T73] netlink_unicast+0x449/0x710 [ 8043.860844][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.860844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.860844][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.860844][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.860844][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.860844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.860844][ T73] [ 8043.862822][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8043.862822][ T73] netdev_get_by_index+0x5e/0x80 [ 8043.862822][ T73] fib6_nh_init+0x3d8/0x1580 [ 8043.862822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8043.862822][ T73] ip6_route_add+0x1c/0x140 [ 8043.862822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8043.862822][ T73] addrconf_add_dev+0xe2/0x170 [ 8043.862822][ T73] inet6_addr_add+0x12f/0xa40 [ 8043.862822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8043.862822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.862822][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.862822][ T73] netlink_unicast+0x449/0x710 [ 8043.862822][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.862822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.862822][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.862822][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.862822][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.862822][ T73] [ 8043.864769][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8043.864769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8043.864769][ T73] ipv6_find_idev+0x102/0x170 [ 8043.864769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8043.864769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.864769][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.864769][ T73] netlink_unicast+0x449/0x710 [ 8043.864769][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.864769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.864769][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.864769][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.864769][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.864769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.864769][ T73] [ 8043.866303][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8043.866303][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8043.866303][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8043.866303][ T73] ipv6_find_idev+0x102/0x170 [ 8043.866303][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8043.866303][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8043.866303][ T73] netlink_rcv_skb+0x130/0x360 [ 8043.866303][ T73] netlink_unicast+0x449/0x710 [ 8043.866303][ T73] netlink_sendmsg+0x723/0xbe0 [ 8043.866303][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8043.866303][ T73] ___sys_sendmsg+0xee/0x170 [ 8043.866303][ T73] __sys_sendmsg+0xcd/0x170 [ 8043.866303][ T73] do_syscall_64+0xc6/0x1e0 [ 8043.866303][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8043.866303][ T73] [ 8044.245724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8044.246258][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8044.246258][ T1076] netdev_get_by_index+0x5e/0x80 [ 8044.246258][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8044.246258][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8044.246258][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8044.246258][ T1076] ipv6_add_addr+0x411/0x2000 [ 8044.246258][ T1076] inet6_addr_add+0x30e/0xa40 [ 8044.246258][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8044.246258][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8044.246258][ T1076] netlink_rcv_skb+0x130/0x360 [ 8044.246258][ T1076] netlink_unicast+0x449/0x710 [ 8044.246258][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8044.246258][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8044.246258][ T1076] ___sys_sendmsg+0xee/0x170 [ 8044.246258][ T1076] __sys_sendmsg+0xcd/0x170 [ 8044.246258][ T1076] do_syscall_64+0xc6/0x1e0 [ 8044.246258][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8044.246258][ T1076] [ 8044.248547][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8044.248547][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8044.248547][ T1076] ipv6_find_idev+0x102/0x170 [ 8044.248547][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8044.248547][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8044.248547][ T1076] netlink_rcv_skb+0x130/0x360 [ 8044.248547][ T1076] netlink_unicast+0x449/0x710 [ 8044.248547][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8044.248547][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8044.248547][ T1076] ___sys_sendmsg+0xee/0x170 [ 8044.248547][ T1076] __sys_sendmsg+0xcd/0x170 [ 8044.248547][ T1076] do_syscall_64+0xc6/0x1e0 [ 8044.248547][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8044.248547][ T1076] [ 8044.250295][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8044.250295][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8044.250295][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8044.250295][ T1076] ipv6_find_idev+0x102/0x170 [ 8044.250295][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8044.250295][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8044.250295][ T1076] netlink_rcv_skb+0x130/0x360 [ 8044.250295][ T1076] netlink_unicast+0x449/0x710 [ 8044.250295][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8044.250295][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8044.250295][ T1076] ___sys_sendmsg+0xee/0x170 [ 8044.250295][ T1076] __sys_sendmsg+0xcd/0x170 [ 8044.250295][ T1076] do_syscall_64+0xc6/0x1e0 [ 8044.250295][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8044.250295][ T1076] [ 8054.109709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8054.110130][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8054.110130][ T73] dst_init+0x84/0x4a0 [ 8054.110130][ T73] dst_alloc+0x97/0x150 [ 8054.110130][ T73] ip6_dst_alloc+0x23/0x90 [ 8054.110130][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8054.110130][ T73] ip6_pol_route+0x56f/0x840 [ 8054.110130][ T73] fib6_rule_lookup+0x456/0x630 [ 8054.110130][ T73] ip6_route_input+0x59c/0xa50 [ 8054.110130][ T73] ipv6_rcv+0x397/0x810 [ 8054.110130][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8054.110130][ T73] process_backlog+0x101/0x620 [ 8054.110130][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8054.110130][ T73] net_rx_action+0x495/0xbe0 [ 8054.110130][ T73] __do_softirq+0x1b5/0x7f6 [ 8054.110130][ T73] [ 8054.111781][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8054.111781][ T73] netdev_get_by_index+0x5e/0x80 [ 8054.111781][ T73] fib6_nh_init+0x3d8/0x1580 [ 8054.111781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8054.111781][ T73] ip6_route_add+0x1c/0x140 [ 8054.111781][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8054.111781][ T73] inet6_addr_add+0x4f8/0xa40 [ 8054.111781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.111781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.111781][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.111781][ T73] netlink_unicast+0x449/0x710 [ 8054.111781][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.111781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.111781][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.111781][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.111781][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.111781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.111781][ T73] [ 8054.113794][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8054.113794][ T73] netdev_get_by_index+0x5e/0x80 [ 8054.113794][ T73] fib6_nh_init+0x3d8/0x1580 [ 8054.113794][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8054.113794][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8054.113794][ T73] ipv6_add_addr+0x411/0x2000 [ 8054.113794][ T73] inet6_addr_add+0x30e/0xa40 [ 8054.113794][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.113794][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.113794][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.113794][ T73] netlink_unicast+0x449/0x710 [ 8054.113794][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.113794][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.113794][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.113794][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.113794][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.113794][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.113794][ T73] [ 8054.115798][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8054.115798][ T73] netdev_get_by_index+0x5e/0x80 [ 8054.115798][ T73] fib6_nh_init+0x3d8/0x1580 [ 8054.115798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8054.115798][ T73] ip6_route_add+0x1c/0x140 [ 8054.115798][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8054.115798][ T73] addrconf_add_dev+0xe2/0x170 [ 8054.115798][ T73] inet6_addr_add+0x12f/0xa40 [ 8054.115798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.115798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.115798][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.115798][ T73] netlink_unicast+0x449/0x710 [ 8054.115798][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.115798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.115798][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.115798][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.115798][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.115798][ T73] [ 8054.117755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8054.117755][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8054.117755][ T73] ipv6_find_idev+0x102/0x170 [ 8054.117755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8054.117755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.117755][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.117755][ T73] netlink_unicast+0x449/0x710 [ 8054.117755][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.117755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.117755][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.117755][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.117755][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.117755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.117755][ T73] [ 8054.119297][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8054.119297][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8054.119297][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8054.119297][ T73] ipv6_find_idev+0x102/0x170 [ 8054.119297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8054.119297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.119297][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.119297][ T73] netlink_unicast+0x449/0x710 [ 8054.119297][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.119297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.119297][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.119297][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.119297][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.119297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.119297][ T73] [ 8054.120987][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8054.121226][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8054.121226][ T73] dst_init+0x84/0x4a0 [ 8054.121226][ T73] dst_alloc+0x97/0x150 [ 8054.121226][ T73] ip6_dst_alloc+0x23/0x90 [ 8054.121226][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8054.121226][ T73] ip6_pol_route+0x56f/0x840 [ 8054.121226][ T73] fib6_rule_lookup+0x456/0x630 [ 8054.121226][ T73] ip6_route_input+0x59c/0xa50 [ 8054.121226][ T73] ipv6_rcv+0x397/0x810 [ 8054.121226][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8054.121226][ T73] process_backlog+0x101/0x620 [ 8054.121226][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8054.121226][ T73] net_rx_action+0x495/0xbe0 [ 8054.121226][ T73] __do_softirq+0x1b5/0x7f6 [ 8054.121226][ T73] [ 8054.122857][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8054.122857][ T73] netdev_get_by_index+0x5e/0x80 [ 8054.122857][ T73] fib6_nh_init+0x3d8/0x1580 [ 8054.122857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8054.122857][ T73] ip6_route_add+0x1c/0x140 [ 8054.122857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8054.122857][ T73] inet6_addr_add+0x4f8/0xa40 [ 8054.122857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.122857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.122857][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.122857][ T73] netlink_unicast+0x449/0x710 [ 8054.122857][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.122857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.122857][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.122857][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.122857][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.122857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.122857][ T73] [ 8054.124870][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8054.124870][ T73] netdev_get_by_index+0x5e/0x80 [ 8054.124870][ T73] fib6_nh_init+0x3d8/0x1580 [ 8054.124870][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8054.124870][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8054.124870][ T73] ipv6_add_addr+0x411/0x2000 [ 8054.124870][ T73] inet6_addr_add+0x30e/0xa40 [ 8054.124870][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.124870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.124870][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.124870][ T73] netlink_unicast+0x449/0x710 [ 8054.124870][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.124870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.124870][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.124870][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.124870][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.124870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.124870][ T73] [ 8054.126860][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8054.126860][ T73] netdev_get_by_index+0x5e/0x80 [ 8054.126860][ T73] fib6_nh_init+0x3d8/0x1580 [ 8054.126860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8054.126860][ T73] ip6_route_add+0x1c/0x140 [ 8054.126860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8054.126860][ T73] addrconf_add_dev+0xe2/0x170 [ 8054.126860][ T73] inet6_addr_add+0x12f/0xa40 [ 8054.126860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.126860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.126860][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.126860][ T73] netlink_unicast+0x449/0x710 [ 8054.126860][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.126860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.126860][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.126860][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.126860][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.126860][ T73] [ 8054.128808][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8054.128808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8054.128808][ T73] ipv6_find_idev+0x102/0x170 [ 8054.128808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8054.128808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.128808][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.128808][ T73] netlink_unicast+0x449/0x710 [ 8054.128808][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.128808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.128808][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.128808][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.128808][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.128808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.128808][ T73] [ 8054.130329][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8054.130329][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8054.130329][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8054.130329][ T73] ipv6_find_idev+0x102/0x170 [ 8054.130329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8054.130329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.130329][ T73] netlink_rcv_skb+0x130/0x360 [ 8054.130329][ T73] netlink_unicast+0x449/0x710 [ 8054.130329][ T73] netlink_sendmsg+0x723/0xbe0 [ 8054.130329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8054.130329][ T73] ___sys_sendmsg+0xee/0x170 [ 8054.130329][ T73] __sys_sendmsg+0xcd/0x170 [ 8054.130329][ T73] do_syscall_64+0xc6/0x1e0 [ 8054.130329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.130329][ T73] [ 8054.493702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8054.494185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8054.494185][ T1076] netdev_get_by_index+0x5e/0x80 [ 8054.494185][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8054.494185][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8054.494185][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8054.494185][ T1076] ipv6_add_addr+0x411/0x2000 [ 8054.494185][ T1076] inet6_addr_add+0x30e/0xa40 [ 8054.494185][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8054.494185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.494185][ T1076] netlink_rcv_skb+0x130/0x360 [ 8054.494185][ T1076] netlink_unicast+0x449/0x710 [ 8054.494185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8054.494185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8054.494185][ T1076] ___sys_sendmsg+0xee/0x170 [ 8054.494185][ T1076] __sys_sendmsg+0xcd/0x170 [ 8054.494185][ T1076] do_syscall_64+0xc6/0x1e0 [ 8054.494185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.494185][ T1076] [ 8054.496476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8054.496476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8054.496476][ T1076] ipv6_find_idev+0x102/0x170 [ 8054.496476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8054.496476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.496476][ T1076] netlink_rcv_skb+0x130/0x360 [ 8054.496476][ T1076] netlink_unicast+0x449/0x710 [ 8054.496476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8054.496476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8054.496476][ T1076] ___sys_sendmsg+0xee/0x170 [ 8054.496476][ T1076] __sys_sendmsg+0xcd/0x170 [ 8054.496476][ T1076] do_syscall_64+0xc6/0x1e0 [ 8054.496476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.496476][ T1076] [ 8054.498211][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8054.498211][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8054.498211][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8054.498211][ T1076] ipv6_find_idev+0x102/0x170 [ 8054.498211][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8054.498211][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8054.498211][ T1076] netlink_rcv_skb+0x130/0x360 [ 8054.498211][ T1076] netlink_unicast+0x449/0x710 [ 8054.498211][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8054.498211][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8054.498211][ T1076] ___sys_sendmsg+0xee/0x170 [ 8054.498211][ T1076] __sys_sendmsg+0xcd/0x170 [ 8054.498211][ T1076] do_syscall_64+0xc6/0x1e0 [ 8054.498211][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8054.498211][ T1076] [ 8064.373735][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8064.374169][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8064.374169][ T73] dst_init+0x84/0x4a0 [ 8064.374169][ T73] dst_alloc+0x97/0x150 [ 8064.374169][ T73] ip6_dst_alloc+0x23/0x90 [ 8064.374169][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8064.374169][ T73] ip6_pol_route+0x56f/0x840 [ 8064.374169][ T73] fib6_rule_lookup+0x456/0x630 [ 8064.374169][ T73] ip6_route_input+0x59c/0xa50 [ 8064.374169][ T73] ipv6_rcv+0x397/0x810 [ 8064.374169][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8064.374169][ T73] process_backlog+0x101/0x620 [ 8064.374169][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8064.374169][ T73] net_rx_action+0x495/0xbe0 [ 8064.374169][ T73] __do_softirq+0x1b5/0x7f6 [ 8064.374169][ T73] [ 8064.375830][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8064.375830][ T73] netdev_get_by_index+0x5e/0x80 [ 8064.375830][ T73] fib6_nh_init+0x3d8/0x1580 [ 8064.375830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8064.375830][ T73] ip6_route_add+0x1c/0x140 [ 8064.375830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8064.375830][ T73] inet6_addr_add+0x4f8/0xa40 [ 8064.375830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.375830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.375830][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.375830][ T73] netlink_unicast+0x449/0x710 [ 8064.375830][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.375830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.375830][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.375830][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.375830][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.375830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.375830][ T73] [ 8064.377830][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8064.377830][ T73] netdev_get_by_index+0x5e/0x80 [ 8064.377830][ T73] fib6_nh_init+0x3d8/0x1580 [ 8064.377830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8064.377830][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8064.377830][ T73] ipv6_add_addr+0x411/0x2000 [ 8064.377830][ T73] inet6_addr_add+0x30e/0xa40 [ 8064.377830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.377830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.377830][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.377830][ T73] netlink_unicast+0x449/0x710 [ 8064.377830][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.377830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.377830][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.377830][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.377830][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.377830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.377830][ T73] [ 8064.379824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8064.379824][ T73] netdev_get_by_index+0x5e/0x80 [ 8064.379824][ T73] fib6_nh_init+0x3d8/0x1580 [ 8064.379824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8064.379824][ T73] ip6_route_add+0x1c/0x140 [ 8064.379824][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8064.379824][ T73] addrconf_add_dev+0xe2/0x170 [ 8064.379824][ T73] inet6_addr_add+0x12f/0xa40 [ 8064.379824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.379824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.379824][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.379824][ T73] netlink_unicast+0x449/0x710 [ 8064.379824][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.379824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.379824][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.379824][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.379824][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.379824][ T73] [ 8064.381858][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8064.381858][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8064.381858][ T73] ipv6_find_idev+0x102/0x170 [ 8064.381858][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8064.381858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.381858][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.381858][ T73] netlink_unicast+0x449/0x710 [ 8064.381858][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.381858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.381858][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.381858][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.381858][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.381858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.381858][ T73] [ 8064.383389][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8064.383389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8064.383389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8064.383389][ T73] ipv6_find_idev+0x102/0x170 [ 8064.383389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8064.383389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.383389][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.383389][ T73] netlink_unicast+0x449/0x710 [ 8064.383389][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.383389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.383389][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.383389][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.383389][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.383389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.383389][ T73] [ 8064.385069][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8064.385309][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8064.385309][ T73] dst_init+0x84/0x4a0 [ 8064.385309][ T73] dst_alloc+0x97/0x150 [ 8064.385309][ T73] ip6_dst_alloc+0x23/0x90 [ 8064.385309][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8064.385309][ T73] ip6_pol_route+0x56f/0x840 [ 8064.385309][ T73] fib6_rule_lookup+0x456/0x630 [ 8064.385309][ T73] ip6_route_input+0x59c/0xa50 [ 8064.385309][ T73] ipv6_rcv+0x397/0x810 [ 8064.385309][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8064.385309][ T73] process_backlog+0x101/0x620 [ 8064.385309][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8064.385309][ T73] net_rx_action+0x495/0xbe0 [ 8064.385309][ T73] __do_softirq+0x1b5/0x7f6 [ 8064.385309][ T73] [ 8064.386945][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8064.386945][ T73] netdev_get_by_index+0x5e/0x80 [ 8064.386945][ T73] fib6_nh_init+0x3d8/0x1580 [ 8064.386945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8064.386945][ T73] ip6_route_add+0x1c/0x140 [ 8064.386945][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8064.386945][ T73] inet6_addr_add+0x4f8/0xa40 [ 8064.386945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.386945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.386945][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.386945][ T73] netlink_unicast+0x449/0x710 [ 8064.386945][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.386945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.386945][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.386945][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.386945][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.386945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.386945][ T73] [ 8064.388957][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8064.388957][ T73] netdev_get_by_index+0x5e/0x80 [ 8064.388957][ T73] fib6_nh_init+0x3d8/0x1580 [ 8064.388957][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8064.388957][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8064.388957][ T73] ipv6_add_addr+0x411/0x2000 [ 8064.388957][ T73] inet6_addr_add+0x30e/0xa40 [ 8064.388957][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.388957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.388957][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.388957][ T73] netlink_unicast+0x449/0x710 [ 8064.388957][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.388957][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.388957][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.388957][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.388957][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.388957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.388957][ T73] [ 8064.390951][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8064.390951][ T73] netdev_get_by_index+0x5e/0x80 [ 8064.390951][ T73] fib6_nh_init+0x3d8/0x1580 [ 8064.390951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8064.390951][ T73] ip6_route_add+0x1c/0x140 [ 8064.390951][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8064.390951][ T73] addrconf_add_dev+0xe2/0x170 [ 8064.390951][ T73] inet6_addr_add+0x12f/0xa40 [ 8064.390951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.390951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.390951][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.390951][ T73] netlink_unicast+0x449/0x710 [ 8064.390951][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.390951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.390951][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.390951][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.390951][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.390951][ T73] [ 8064.392906][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8064.392906][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8064.392906][ T73] ipv6_find_idev+0x102/0x170 [ 8064.392906][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8064.392906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.392906][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.392906][ T73] netlink_unicast+0x449/0x710 [ 8064.392906][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.392906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.392906][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.392906][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.392906][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.392906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.392906][ T73] [ 8064.394521][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8064.394521][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8064.394521][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8064.394521][ T73] ipv6_find_idev+0x102/0x170 [ 8064.394521][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8064.394521][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.394521][ T73] netlink_rcv_skb+0x130/0x360 [ 8064.394521][ T73] netlink_unicast+0x449/0x710 [ 8064.394521][ T73] netlink_sendmsg+0x723/0xbe0 [ 8064.394521][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8064.394521][ T73] ___sys_sendmsg+0xee/0x170 [ 8064.394521][ T73] __sys_sendmsg+0xcd/0x170 [ 8064.394521][ T73] do_syscall_64+0xc6/0x1e0 [ 8064.394521][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.394521][ T73] [ 8064.741717][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8064.742202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8064.742202][ T1076] netdev_get_by_index+0x5e/0x80 [ 8064.742202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8064.742202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8064.742202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8064.742202][ T1076] ipv6_add_addr+0x411/0x2000 [ 8064.742202][ T1076] inet6_addr_add+0x30e/0xa40 [ 8064.742202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8064.742202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.742202][ T1076] netlink_rcv_skb+0x130/0x360 [ 8064.742202][ T1076] netlink_unicast+0x449/0x710 [ 8064.742202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8064.742202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8064.742202][ T1076] ___sys_sendmsg+0xee/0x170 [ 8064.742202][ T1076] __sys_sendmsg+0xcd/0x170 [ 8064.742202][ T1076] do_syscall_64+0xc6/0x1e0 [ 8064.742202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.742202][ T1076] [ 8064.744485][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8064.744485][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8064.744485][ T1076] ipv6_find_idev+0x102/0x170 [ 8064.744485][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8064.744485][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.744485][ T1076] netlink_rcv_skb+0x130/0x360 [ 8064.744485][ T1076] netlink_unicast+0x449/0x710 [ 8064.744485][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8064.744485][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8064.744485][ T1076] ___sys_sendmsg+0xee/0x170 [ 8064.744485][ T1076] __sys_sendmsg+0xcd/0x170 [ 8064.744485][ T1076] do_syscall_64+0xc6/0x1e0 [ 8064.744485][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.744485][ T1076] [ 8064.746274][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8064.746274][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8064.746274][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8064.746274][ T1076] ipv6_find_idev+0x102/0x170 [ 8064.746274][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8064.746274][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8064.746274][ T1076] netlink_rcv_skb+0x130/0x360 [ 8064.746274][ T1076] netlink_unicast+0x449/0x710 [ 8064.746274][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8064.746274][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8064.746274][ T1076] ___sys_sendmsg+0xee/0x170 [ 8064.746274][ T1076] __sys_sendmsg+0xcd/0x170 [ 8064.746274][ T1076] do_syscall_64+0xc6/0x1e0 [ 8064.746274][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8064.746274][ T1076] [ 8074.637729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8074.638160][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8074.638160][ T73] dst_init+0x84/0x4a0 [ 8074.638160][ T73] dst_alloc+0x97/0x150 [ 8074.638160][ T73] ip6_dst_alloc+0x23/0x90 [ 8074.638160][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8074.638160][ T73] ip6_pol_route+0x56f/0x840 [ 8074.638160][ T73] fib6_rule_lookup+0x456/0x630 [ 8074.638160][ T73] ip6_route_input+0x59c/0xa50 [ 8074.638160][ T73] ipv6_rcv+0x397/0x810 [ 8074.638160][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8074.638160][ T73] process_backlog+0x101/0x620 [ 8074.638160][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8074.638160][ T73] net_rx_action+0x495/0xbe0 [ 8074.638160][ T73] __do_softirq+0x1b5/0x7f6 [ 8074.638160][ T73] [ 8074.639820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8074.639820][ T73] netdev_get_by_index+0x5e/0x80 [ 8074.639820][ T73] fib6_nh_init+0x3d8/0x1580 [ 8074.639820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8074.639820][ T73] ip6_route_add+0x1c/0x140 [ 8074.639820][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8074.639820][ T73] inet6_addr_add+0x4f8/0xa40 [ 8074.639820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.639820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.639820][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.639820][ T73] netlink_unicast+0x449/0x710 [ 8074.639820][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.639820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.639820][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.639820][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.639820][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.639820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.639820][ T73] [ 8074.641815][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8074.641815][ T73] netdev_get_by_index+0x5e/0x80 [ 8074.641815][ T73] fib6_nh_init+0x3d8/0x1580 [ 8074.641815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8074.641815][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8074.641815][ T73] ipv6_add_addr+0x411/0x2000 [ 8074.641815][ T73] inet6_addr_add+0x30e/0xa40 [ 8074.641815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.641815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.641815][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.641815][ T73] netlink_unicast+0x449/0x710 [ 8074.641815][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.641815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.641815][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.641815][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.641815][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.641815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.641815][ T73] [ 8074.643810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8074.643810][ T73] netdev_get_by_index+0x5e/0x80 [ 8074.643810][ T73] fib6_nh_init+0x3d8/0x1580 [ 8074.643810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8074.643810][ T73] ip6_route_add+0x1c/0x140 [ 8074.643810][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8074.643810][ T73] addrconf_add_dev+0xe2/0x170 [ 8074.643810][ T73] inet6_addr_add+0x12f/0xa40 [ 8074.643810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.643810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.643810][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.643810][ T73] netlink_unicast+0x449/0x710 [ 8074.643810][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.643810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.643810][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.643810][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.643810][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.643810][ T73] [ 8074.645775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8074.645775][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8074.645775][ T73] ipv6_find_idev+0x102/0x170 [ 8074.645775][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.645775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.645775][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.645775][ T73] netlink_unicast+0x449/0x710 [ 8074.645775][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.645775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.645775][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.645775][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.645775][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.645775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.645775][ T73] [ 8074.647315][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8074.647315][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8074.647315][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8074.647315][ T73] ipv6_find_idev+0x102/0x170 [ 8074.647315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.647315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.647315][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.647315][ T73] netlink_unicast+0x449/0x710 [ 8074.647315][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.647315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.647315][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.647315][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.647315][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.647315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.647315][ T73] [ 8074.648989][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8074.649234][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8074.649234][ T73] dst_init+0x84/0x4a0 [ 8074.649234][ T73] dst_alloc+0x97/0x150 [ 8074.649234][ T73] ip6_dst_alloc+0x23/0x90 [ 8074.649234][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8074.649234][ T73] ip6_pol_route+0x56f/0x840 [ 8074.649234][ T73] fib6_rule_lookup+0x456/0x630 [ 8074.649234][ T73] ip6_route_input+0x59c/0xa50 [ 8074.649234][ T73] ipv6_rcv+0x397/0x810 [ 8074.649234][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8074.649234][ T73] process_backlog+0x101/0x620 [ 8074.649234][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8074.649234][ T73] net_rx_action+0x495/0xbe0 [ 8074.649234][ T73] __do_softirq+0x1b5/0x7f6 [ 8074.649234][ T73] [ 8074.650855][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8074.650855][ T73] netdev_get_by_index+0x5e/0x80 [ 8074.650855][ T73] fib6_nh_init+0x3d8/0x1580 [ 8074.650855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8074.650855][ T73] ip6_route_add+0x1c/0x140 [ 8074.650855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8074.650855][ T73] inet6_addr_add+0x4f8/0xa40 [ 8074.650855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.650855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.650855][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.650855][ T73] netlink_unicast+0x449/0x710 [ 8074.650855][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.650855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.650855][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.650855][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.650855][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.650855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.650855][ T73] [ 8074.652840][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8074.652840][ T73] netdev_get_by_index+0x5e/0x80 [ 8074.652840][ T73] fib6_nh_init+0x3d8/0x1580 [ 8074.652840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8074.652840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8074.652840][ T73] ipv6_add_addr+0x411/0x2000 [ 8074.652840][ T73] inet6_addr_add+0x30e/0xa40 [ 8074.652840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.652840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.652840][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.652840][ T73] netlink_unicast+0x449/0x710 [ 8074.652840][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.652840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.652840][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.652840][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.652840][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.652840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.652840][ T73] [ 8074.654830][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8074.654830][ T73] netdev_get_by_index+0x5e/0x80 [ 8074.654830][ T73] fib6_nh_init+0x3d8/0x1580 [ 8074.654830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8074.654830][ T73] ip6_route_add+0x1c/0x140 [ 8074.654830][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8074.654830][ T73] addrconf_add_dev+0xe2/0x170 [ 8074.654830][ T73] inet6_addr_add+0x12f/0xa40 [ 8074.654830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.654830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.654830][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.654830][ T73] netlink_unicast+0x449/0x710 [ 8074.654830][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.654830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.654830][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.654830][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.654830][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.654830][ T73] [ 8074.657239][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8074.657239][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8074.657239][ T73] ipv6_find_idev+0x102/0x170 [ 8074.657239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.657239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.657239][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.657239][ T73] netlink_unicast+0x449/0x710 [ 8074.657239][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.657239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.657239][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.657239][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.657239][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.657239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.657239][ T73] [ 8074.658769][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8074.658769][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8074.658769][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8074.658769][ T73] ipv6_find_idev+0x102/0x170 [ 8074.658769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.658769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.658769][ T73] netlink_rcv_skb+0x130/0x360 [ 8074.658769][ T73] netlink_unicast+0x449/0x710 [ 8074.658769][ T73] netlink_sendmsg+0x723/0xbe0 [ 8074.658769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8074.658769][ T73] ___sys_sendmsg+0xee/0x170 [ 8074.658769][ T73] __sys_sendmsg+0xcd/0x170 [ 8074.658769][ T73] do_syscall_64+0xc6/0x1e0 [ 8074.658769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.658769][ T73] [ 8074.805710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8074.806167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8074.806167][ T1076] netdev_get_by_index+0x5e/0x80 [ 8074.806167][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8074.806167][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8074.806167][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8074.806167][ T1076] ipv6_add_addr+0x411/0x2000 [ 8074.806167][ T1076] inet6_addr_add+0x30e/0xa40 [ 8074.806167][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8074.806167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.806167][ T1076] netlink_rcv_skb+0x130/0x360 [ 8074.806167][ T1076] netlink_unicast+0x449/0x710 [ 8074.806167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8074.806167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8074.806167][ T1076] ___sys_sendmsg+0xee/0x170 [ 8074.806167][ T1076] __sys_sendmsg+0xcd/0x170 [ 8074.806167][ T1076] do_syscall_64+0xc6/0x1e0 [ 8074.806167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.806167][ T1076] [ 8074.808446][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8074.808446][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8074.808446][ T1076] ipv6_find_idev+0x102/0x170 [ 8074.808446][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.808446][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.808446][ T1076] netlink_rcv_skb+0x130/0x360 [ 8074.808446][ T1076] netlink_unicast+0x449/0x710 [ 8074.808446][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8074.808446][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8074.808446][ T1076] ___sys_sendmsg+0xee/0x170 [ 8074.808446][ T1076] __sys_sendmsg+0xcd/0x170 [ 8074.808446][ T1076] do_syscall_64+0xc6/0x1e0 [ 8074.808446][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.808446][ T1076] [ 8074.810184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8074.810184][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8074.810184][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8074.810184][ T1076] ipv6_find_idev+0x102/0x170 [ 8074.810184][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8074.810184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8074.810184][ T1076] netlink_rcv_skb+0x130/0x360 [ 8074.810184][ T1076] netlink_unicast+0x449/0x710 [ 8074.810184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8074.810184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8074.810184][ T1076] ___sys_sendmsg+0xee/0x170 [ 8074.810184][ T1076] __sys_sendmsg+0xcd/0x170 [ 8074.810184][ T1076] do_syscall_64+0xc6/0x1e0 [ 8074.810184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8074.810184][ T1076] [ 8084.901708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8084.902121][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8084.902121][ T73] dst_init+0x84/0x4a0 [ 8084.902121][ T73] dst_alloc+0x97/0x150 [ 8084.902121][ T73] ip6_dst_alloc+0x23/0x90 [ 8084.902121][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8084.902121][ T73] ip6_pol_route+0x56f/0x840 [ 8084.902121][ T73] fib6_rule_lookup+0x456/0x630 [ 8084.902121][ T73] ip6_route_input+0x59c/0xa50 [ 8084.902121][ T73] ipv6_rcv+0x397/0x810 [ 8084.902121][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8084.902121][ T73] process_backlog+0x101/0x620 [ 8084.902121][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8084.902121][ T73] net_rx_action+0x495/0xbe0 [ 8084.902121][ T73] __do_softirq+0x1b5/0x7f6 [ 8084.902121][ T73] [ 8084.903784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8084.903784][ T73] netdev_get_by_index+0x5e/0x80 [ 8084.903784][ T73] fib6_nh_init+0x3d8/0x1580 [ 8084.903784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8084.903784][ T73] ip6_route_add+0x1c/0x140 [ 8084.903784][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8084.903784][ T73] inet6_addr_add+0x4f8/0xa40 [ 8084.903784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.903784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.903784][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.903784][ T73] netlink_unicast+0x449/0x710 [ 8084.903784][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.903784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.903784][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.903784][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.903784][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.903784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.903784][ T73] [ 8084.905798][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8084.905798][ T73] netdev_get_by_index+0x5e/0x80 [ 8084.905798][ T73] fib6_nh_init+0x3d8/0x1580 [ 8084.905798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8084.905798][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8084.905798][ T73] ipv6_add_addr+0x411/0x2000 [ 8084.905798][ T73] inet6_addr_add+0x30e/0xa40 [ 8084.905798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.905798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.905798][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.905798][ T73] netlink_unicast+0x449/0x710 [ 8084.905798][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.905798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.905798][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.905798][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.905798][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.905798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.905798][ T73] [ 8084.907792][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8084.907792][ T73] netdev_get_by_index+0x5e/0x80 [ 8084.907792][ T73] fib6_nh_init+0x3d8/0x1580 [ 8084.907792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8084.907792][ T73] ip6_route_add+0x1c/0x140 [ 8084.907792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8084.907792][ T73] addrconf_add_dev+0xe2/0x170 [ 8084.907792][ T73] inet6_addr_add+0x12f/0xa40 [ 8084.907792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.907792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.907792][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.907792][ T73] netlink_unicast+0x449/0x710 [ 8084.907792][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.907792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.907792][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.907792][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.907792][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.907792][ T73] [ 8084.909744][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8084.909744][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8084.909744][ T73] ipv6_find_idev+0x102/0x170 [ 8084.909744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8084.909744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.909744][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.909744][ T73] netlink_unicast+0x449/0x710 [ 8084.909744][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.909744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.909744][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.909744][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.909744][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.909744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.909744][ T73] [ 8084.911273][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8084.911273][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8084.911273][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8084.911273][ T73] ipv6_find_idev+0x102/0x170 [ 8084.911273][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8084.911273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.911273][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.911273][ T73] netlink_unicast+0x449/0x710 [ 8084.911273][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.911273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.911273][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.911273][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.911273][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.911273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.911273][ T73] [ 8084.912964][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8084.913205][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8084.913205][ T73] dst_init+0x84/0x4a0 [ 8084.913205][ T73] dst_alloc+0x97/0x150 [ 8084.913205][ T73] ip6_dst_alloc+0x23/0x90 [ 8084.913205][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8084.913205][ T73] ip6_pol_route+0x56f/0x840 [ 8084.913205][ T73] fib6_rule_lookup+0x456/0x630 [ 8084.913205][ T73] ip6_route_input+0x59c/0xa50 [ 8084.913205][ T73] ipv6_rcv+0x397/0x810 [ 8084.913205][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8084.913205][ T73] process_backlog+0x101/0x620 [ 8084.913205][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8084.913205][ T73] net_rx_action+0x495/0xbe0 [ 8084.913205][ T73] __do_softirq+0x1b5/0x7f6 [ 8084.913205][ T73] [ 8084.914832][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8084.914832][ T73] netdev_get_by_index+0x5e/0x80 [ 8084.914832][ T73] fib6_nh_init+0x3d8/0x1580 [ 8084.914832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8084.914832][ T73] ip6_route_add+0x1c/0x140 [ 8084.914832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8084.914832][ T73] inet6_addr_add+0x4f8/0xa40 [ 8084.914832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.914832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.914832][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.914832][ T73] netlink_unicast+0x449/0x710 [ 8084.914832][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.914832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.914832][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.914832][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.914832][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.914832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.914832][ T73] [ 8084.916823][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8084.916823][ T73] netdev_get_by_index+0x5e/0x80 [ 8084.916823][ T73] fib6_nh_init+0x3d8/0x1580 [ 8084.916823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8084.916823][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8084.916823][ T73] ipv6_add_addr+0x411/0x2000 [ 8084.916823][ T73] inet6_addr_add+0x30e/0xa40 [ 8084.916823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.916823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.916823][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.916823][ T73] netlink_unicast+0x449/0x710 [ 8084.916823][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.916823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.916823][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.916823][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.916823][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.916823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.916823][ T73] [ 8084.918829][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8084.918829][ T73] netdev_get_by_index+0x5e/0x80 [ 8084.918829][ T73] fib6_nh_init+0x3d8/0x1580 [ 8084.918829][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8084.918829][ T73] ip6_route_add+0x1c/0x140 [ 8084.918829][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8084.918829][ T73] addrconf_add_dev+0xe2/0x170 [ 8084.918829][ T73] inet6_addr_add+0x12f/0xa40 [ 8084.918829][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8084.918829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.918829][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.918829][ T73] netlink_unicast+0x449/0x710 [ 8084.918829][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.918829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.918829][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.918829][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.918829][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.918829][ T73] [ 8084.920778][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8084.920778][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8084.920778][ T73] ipv6_find_idev+0x102/0x170 [ 8084.920778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8084.920778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.920778][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.920778][ T73] netlink_unicast+0x449/0x710 [ 8084.920778][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.920778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.920778][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.920778][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.920778][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.920778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.920778][ T73] [ 8084.922321][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8084.922321][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8084.922321][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8084.922321][ T73] ipv6_find_idev+0x102/0x170 [ 8084.922321][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8084.922321][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8084.922321][ T73] netlink_rcv_skb+0x130/0x360 [ 8084.922321][ T73] netlink_unicast+0x449/0x710 [ 8084.922321][ T73] netlink_sendmsg+0x723/0xbe0 [ 8084.922321][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8084.922321][ T73] ___sys_sendmsg+0xee/0x170 [ 8084.922321][ T73] __sys_sendmsg+0xcd/0x170 [ 8084.922321][ T73] do_syscall_64+0xc6/0x1e0 [ 8084.922321][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8084.922321][ T73] [ 8085.061754][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8085.062229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8085.062229][ T1076] netdev_get_by_index+0x5e/0x80 [ 8085.062229][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8085.062229][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8085.062229][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8085.062229][ T1076] ipv6_add_addr+0x411/0x2000 [ 8085.062229][ T1076] inet6_addr_add+0x30e/0xa40 [ 8085.062229][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8085.062229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.062229][ T1076] netlink_rcv_skb+0x130/0x360 [ 8085.062229][ T1076] netlink_unicast+0x449/0x710 [ 8085.062229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8085.062229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8085.062229][ T1076] ___sys_sendmsg+0xee/0x170 [ 8085.062229][ T1076] __sys_sendmsg+0xcd/0x170 [ 8085.062229][ T1076] do_syscall_64+0xc6/0x1e0 [ 8085.062229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.062229][ T1076] [ 8085.064502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8085.064502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8085.064502][ T1076] ipv6_find_idev+0x102/0x170 [ 8085.064502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8085.064502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.064502][ T1076] netlink_rcv_skb+0x130/0x360 [ 8085.064502][ T1076] netlink_unicast+0x449/0x710 [ 8085.064502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8085.064502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8085.064502][ T1076] ___sys_sendmsg+0xee/0x170 [ 8085.064502][ T1076] __sys_sendmsg+0xcd/0x170 [ 8085.064502][ T1076] do_syscall_64+0xc6/0x1e0 [ 8085.064502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.064502][ T1076] [ 8085.066255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8085.066255][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8085.066255][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8085.066255][ T1076] ipv6_find_idev+0x102/0x170 [ 8085.066255][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8085.066255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8085.066255][ T1076] netlink_rcv_skb+0x130/0x360 [ 8085.066255][ T1076] netlink_unicast+0x449/0x710 [ 8085.066255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8085.066255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8085.066255][ T1076] ___sys_sendmsg+0xee/0x170 [ 8085.066255][ T1076] __sys_sendmsg+0xcd/0x170 [ 8085.066255][ T1076] do_syscall_64+0xc6/0x1e0 [ 8085.066255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8085.066255][ T1076] [ 8095.165684][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8095.166097][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8095.166097][ T73] dst_init+0x84/0x4a0 [ 8095.166097][ T73] dst_alloc+0x97/0x150 [ 8095.166097][ T73] ip6_dst_alloc+0x23/0x90 [ 8095.166097][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8095.166097][ T73] ip6_pol_route+0x56f/0x840 [ 8095.166097][ T73] fib6_rule_lookup+0x456/0x630 [ 8095.166097][ T73] ip6_route_input+0x59c/0xa50 [ 8095.166097][ T73] ipv6_rcv+0x397/0x810 [ 8095.166097][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8095.166097][ T73] process_backlog+0x101/0x620 [ 8095.166097][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8095.166097][ T73] net_rx_action+0x495/0xbe0 [ 8095.166097][ T73] __do_softirq+0x1b5/0x7f6 [ 8095.166097][ T73] [ 8095.167779][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8095.167779][ T73] netdev_get_by_index+0x5e/0x80 [ 8095.167779][ T73] fib6_nh_init+0x3d8/0x1580 [ 8095.167779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8095.167779][ T73] ip6_route_add+0x1c/0x140 [ 8095.167779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8095.167779][ T73] inet6_addr_add+0x4f8/0xa40 [ 8095.167779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.167779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.167779][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.167779][ T73] netlink_unicast+0x449/0x710 [ 8095.167779][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.167779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.167779][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.167779][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.167779][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.167779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.167779][ T73] [ 8095.169797][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8095.169797][ T73] netdev_get_by_index+0x5e/0x80 [ 8095.169797][ T73] fib6_nh_init+0x3d8/0x1580 [ 8095.169797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8095.169797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8095.169797][ T73] ipv6_add_addr+0x411/0x2000 [ 8095.169797][ T73] inet6_addr_add+0x30e/0xa40 [ 8095.169797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.169797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.169797][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.169797][ T73] netlink_unicast+0x449/0x710 [ 8095.169797][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.169797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.169797][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.169797][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.169797][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.169797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.169797][ T73] [ 8095.171803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8095.171803][ T73] netdev_get_by_index+0x5e/0x80 [ 8095.171803][ T73] fib6_nh_init+0x3d8/0x1580 [ 8095.171803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8095.171803][ T73] ip6_route_add+0x1c/0x140 [ 8095.171803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8095.171803][ T73] addrconf_add_dev+0xe2/0x170 [ 8095.171803][ T73] inet6_addr_add+0x12f/0xa40 [ 8095.171803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.171803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.171803][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.171803][ T73] netlink_unicast+0x449/0x710 [ 8095.171803][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.171803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.171803][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.171803][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.171803][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.171803][ T73] [ 8095.173764][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8095.173764][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8095.173764][ T73] ipv6_find_idev+0x102/0x170 [ 8095.173764][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.173764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.173764][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.173764][ T73] netlink_unicast+0x449/0x710 [ 8095.173764][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.173764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.173764][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.173764][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.173764][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.173764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.173764][ T73] [ 8095.175298][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8095.175298][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8095.175298][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8095.175298][ T73] ipv6_find_idev+0x102/0x170 [ 8095.175298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.175298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.175298][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.175298][ T73] netlink_unicast+0x449/0x710 [ 8095.175298][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.175298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.175298][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.175298][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.175298][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.175298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.175298][ T73] [ 8095.176999][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8095.177243][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8095.177243][ T73] dst_init+0x84/0x4a0 [ 8095.177243][ T73] dst_alloc+0x97/0x150 [ 8095.177243][ T73] ip6_dst_alloc+0x23/0x90 [ 8095.177243][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8095.177243][ T73] ip6_pol_route+0x56f/0x840 [ 8095.177243][ T73] fib6_rule_lookup+0x456/0x630 [ 8095.177243][ T73] ip6_route_input+0x59c/0xa50 [ 8095.177243][ T73] ipv6_rcv+0x397/0x810 [ 8095.177243][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8095.177243][ T73] process_backlog+0x101/0x620 [ 8095.177243][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8095.177243][ T73] net_rx_action+0x495/0xbe0 [ 8095.177243][ T73] __do_softirq+0x1b5/0x7f6 [ 8095.177243][ T73] [ 8095.178891][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8095.178891][ T73] netdev_get_by_index+0x5e/0x80 [ 8095.178891][ T73] fib6_nh_init+0x3d8/0x1580 [ 8095.178891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8095.178891][ T73] ip6_route_add+0x1c/0x140 [ 8095.178891][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8095.178891][ T73] inet6_addr_add+0x4f8/0xa40 [ 8095.178891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.178891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.178891][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.178891][ T73] netlink_unicast+0x449/0x710 [ 8095.178891][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.178891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.178891][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.178891][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.178891][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.178891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.178891][ T73] [ 8095.180887][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8095.180887][ T73] netdev_get_by_index+0x5e/0x80 [ 8095.180887][ T73] fib6_nh_init+0x3d8/0x1580 [ 8095.180887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8095.180887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8095.180887][ T73] ipv6_add_addr+0x411/0x2000 [ 8095.180887][ T73] inet6_addr_add+0x30e/0xa40 [ 8095.180887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.180887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.180887][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.180887][ T73] netlink_unicast+0x449/0x710 [ 8095.180887][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.180887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.180887][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.180887][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.180887][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.180887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.180887][ T73] [ 8095.182877][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8095.182877][ T73] netdev_get_by_index+0x5e/0x80 [ 8095.182877][ T73] fib6_nh_init+0x3d8/0x1580 [ 8095.182877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8095.182877][ T73] ip6_route_add+0x1c/0x140 [ 8095.182877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8095.182877][ T73] addrconf_add_dev+0xe2/0x170 [ 8095.182877][ T73] inet6_addr_add+0x12f/0xa40 [ 8095.182877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.182877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.182877][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.182877][ T73] netlink_unicast+0x449/0x710 [ 8095.182877][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.182877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.182877][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.182877][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.182877][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.182877][ T73] [ 8095.184828][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8095.184828][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8095.184828][ T73] ipv6_find_idev+0x102/0x170 [ 8095.184828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.184828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.184828][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.184828][ T73] netlink_unicast+0x449/0x710 [ 8095.184828][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.184828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.184828][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.184828][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.184828][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.184828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.184828][ T73] [ 8095.186368][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8095.186368][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8095.186368][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8095.186368][ T73] ipv6_find_idev+0x102/0x170 [ 8095.186368][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.186368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.186368][ T73] netlink_rcv_skb+0x130/0x360 [ 8095.186368][ T73] netlink_unicast+0x449/0x710 [ 8095.186368][ T73] netlink_sendmsg+0x723/0xbe0 [ 8095.186368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8095.186368][ T73] ___sys_sendmsg+0xee/0x170 [ 8095.186368][ T73] __sys_sendmsg+0xcd/0x170 [ 8095.186368][ T73] do_syscall_64+0xc6/0x1e0 [ 8095.186368][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.186368][ T73] [ 8095.317784][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8095.318263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8095.318263][ T1076] netdev_get_by_index+0x5e/0x80 [ 8095.318263][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8095.318263][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8095.318263][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8095.318263][ T1076] ipv6_add_addr+0x411/0x2000 [ 8095.318263][ T1076] inet6_addr_add+0x30e/0xa40 [ 8095.318263][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8095.318263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.318263][ T1076] netlink_rcv_skb+0x130/0x360 [ 8095.318263][ T1076] netlink_unicast+0x449/0x710 [ 8095.318263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8095.318263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8095.318263][ T1076] ___sys_sendmsg+0xee/0x170 [ 8095.318263][ T1076] __sys_sendmsg+0xcd/0x170 [ 8095.318263][ T1076] do_syscall_64+0xc6/0x1e0 [ 8095.318263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.318263][ T1076] [ 8095.320536][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8095.320536][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8095.320536][ T1076] ipv6_find_idev+0x102/0x170 [ 8095.320536][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.320536][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.320536][ T1076] netlink_rcv_skb+0x130/0x360 [ 8095.320536][ T1076] netlink_unicast+0x449/0x710 [ 8095.320536][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8095.320536][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8095.320536][ T1076] ___sys_sendmsg+0xee/0x170 [ 8095.320536][ T1076] __sys_sendmsg+0xcd/0x170 [ 8095.320536][ T1076] do_syscall_64+0xc6/0x1e0 [ 8095.320536][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.320536][ T1076] [ 8095.322281][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8095.322281][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8095.322281][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8095.322281][ T1076] ipv6_find_idev+0x102/0x170 [ 8095.322281][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8095.322281][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8095.322281][ T1076] netlink_rcv_skb+0x130/0x360 [ 8095.322281][ T1076] netlink_unicast+0x449/0x710 [ 8095.322281][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8095.322281][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8095.322281][ T1076] ___sys_sendmsg+0xee/0x170 [ 8095.322281][ T1076] __sys_sendmsg+0xcd/0x170 [ 8095.322281][ T1076] do_syscall_64+0xc6/0x1e0 [ 8095.322281][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8095.322281][ T1076] [ 8105.429668][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8105.429707][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8105.430089][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8105.430089][ T73] dst_init+0x84/0x4a0 [ 8105.430089][ T73] dst_alloc+0x97/0x150 [ 8105.430089][ T73] ip6_dst_alloc+0x23/0x90 [ 8105.430089][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8105.430089][ T73] ip6_pol_route+0x56f/0x840 [ 8105.430089][ T73] fib6_rule_lookup+0x456/0x630 [ 8105.430089][ T73] ip6_route_input+0x59c/0xa50 [ 8105.430089][ T73] ipv6_rcv+0x397/0x810 [ 8105.430089][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8105.430089][ T73] process_backlog+0x101/0x620 [ 8105.430089][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8105.430089][ T73] net_rx_action+0x495/0xbe0 [ 8105.430089][ T73] __do_softirq+0x1b5/0x7f6 [ 8105.430089][ T73] [ 8105.430382][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8105.430382][ T1076] netdev_get_by_index+0x5e/0x80 [ 8105.430382][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8105.430382][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8105.430382][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8105.430382][ T1076] ipv6_add_addr+0x411/0x2000 [ 8105.430382][ T1076] inet6_addr_add+0x30e/0xa40 [ 8105.430382][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.430382][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.430382][ T1076] netlink_rcv_skb+0x130/0x360 [ 8105.430382][ T1076] netlink_unicast+0x449/0x710 [ 8105.430382][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8105.430382][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8105.430382][ T1076] ___sys_sendmsg+0xee/0x170 [ 8105.430382][ T1076] __sys_sendmsg+0xcd/0x170 [ 8105.430382][ T1076] do_syscall_64+0xc6/0x1e0 [ 8105.430382][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.430382][ T1076] [ 8105.431940][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8105.431940][ T73] netdev_get_by_index+0x5e/0x80 [ 8105.431940][ T73] fib6_nh_init+0x3d8/0x1580 [ 8105.431940][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8105.431940][ T73] ip6_route_add+0x1c/0x140 [ 8105.431940][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8105.431940][ T73] inet6_addr_add+0x4f8/0xa40 [ 8105.431940][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.431940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.431940][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.431940][ T73] netlink_unicast+0x449/0x710 [ 8105.431940][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.431940][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.431940][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.431940][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.431940][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.431940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.431940][ T73] [ 8105.434177][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8105.434177][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8105.434177][ T1076] ipv6_find_idev+0x102/0x170 [ 8105.434177][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8105.434177][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.434177][ T1076] netlink_rcv_skb+0x130/0x360 [ 8105.434177][ T1076] netlink_unicast+0x449/0x710 [ 8105.434177][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8105.434177][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8105.434177][ T1076] ___sys_sendmsg+0xee/0x170 [ 8105.434177][ T1076] __sys_sendmsg+0xcd/0x170 [ 8105.434177][ T1076] do_syscall_64+0xc6/0x1e0 [ 8105.434177][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.434177][ T1076] [ 8105.436146][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8105.436146][ T73] netdev_get_by_index+0x5e/0x80 [ 8105.436146][ T73] fib6_nh_init+0x3d8/0x1580 [ 8105.436146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8105.436146][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8105.436146][ T73] ipv6_add_addr+0x411/0x2000 [ 8105.436146][ T73] inet6_addr_add+0x30e/0xa40 [ 8105.436146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.436146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.436146][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.436146][ T73] netlink_unicast+0x449/0x710 [ 8105.436146][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.436146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.436146][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.436146][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.436146][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.436146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.436146][ T73] [ 8105.437858][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8105.437858][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8105.437858][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8105.437858][ T1076] ipv6_find_idev+0x102/0x170 [ 8105.437858][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8105.437858][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.437858][ T1076] netlink_rcv_skb+0x130/0x360 [ 8105.437858][ T1076] netlink_unicast+0x449/0x710 [ 8105.437858][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8105.437858][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8105.437858][ T1076] ___sys_sendmsg+0xee/0x170 [ 8105.437858][ T1076] __sys_sendmsg+0xcd/0x170 [ 8105.437858][ T1076] do_syscall_64+0xc6/0x1e0 [ 8105.437858][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.437858][ T1076] [ 8105.439828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8105.439828][ T73] netdev_get_by_index+0x5e/0x80 [ 8105.439828][ T73] fib6_nh_init+0x3d8/0x1580 [ 8105.439828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8105.439828][ T73] ip6_route_add+0x1c/0x140 [ 8105.439828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8105.439828][ T73] addrconf_add_dev+0xe2/0x170 [ 8105.439828][ T73] inet6_addr_add+0x12f/0xa40 [ 8105.439828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.439828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.439828][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.439828][ T73] netlink_unicast+0x449/0x710 [ 8105.439828][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.439828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.439828][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.439828][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.439828][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.439828][ T73] [ 8105.443633][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8105.443633][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8105.443633][ T73] ipv6_find_idev+0x102/0x170 [ 8105.443633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8105.443633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.443633][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.443633][ T73] netlink_unicast+0x449/0x710 [ 8105.443633][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.443633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.443633][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.443633][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.443633][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.443633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.443633][ T73] [ 8105.445163][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8105.445163][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8105.445163][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8105.445163][ T73] ipv6_find_idev+0x102/0x170 [ 8105.445163][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8105.445163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.445163][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.445163][ T73] netlink_unicast+0x449/0x710 [ 8105.445163][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.445163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.445163][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.445163][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.445163][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.445163][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.445163][ T73] [ 8105.446843][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8105.447081][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8105.447081][ T73] dst_init+0x84/0x4a0 [ 8105.447081][ T73] dst_alloc+0x97/0x150 [ 8105.447081][ T73] ip6_dst_alloc+0x23/0x90 [ 8105.447081][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8105.447081][ T73] ip6_pol_route+0x56f/0x840 [ 8105.447081][ T73] fib6_rule_lookup+0x456/0x630 [ 8105.447081][ T73] ip6_route_input+0x59c/0xa50 [ 8105.447081][ T73] ipv6_rcv+0x397/0x810 [ 8105.447081][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8105.447081][ T73] process_backlog+0x101/0x620 [ 8105.447081][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8105.447081][ T73] net_rx_action+0x495/0xbe0 [ 8105.447081][ T73] __do_softirq+0x1b5/0x7f6 [ 8105.447081][ T73] [ 8105.448705][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8105.448705][ T73] netdev_get_by_index+0x5e/0x80 [ 8105.448705][ T73] fib6_nh_init+0x3d8/0x1580 [ 8105.448705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8105.448705][ T73] ip6_route_add+0x1c/0x140 [ 8105.448705][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8105.448705][ T73] inet6_addr_add+0x4f8/0xa40 [ 8105.448705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.448705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.448705][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.448705][ T73] netlink_unicast+0x449/0x710 [ 8105.448705][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.448705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.448705][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.448705][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.448705][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.448705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.448705][ T73] [ 8105.450691][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8105.450691][ T73] netdev_get_by_index+0x5e/0x80 [ 8105.450691][ T73] fib6_nh_init+0x3d8/0x1580 [ 8105.450691][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8105.450691][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8105.450691][ T73] ipv6_add_addr+0x411/0x2000 [ 8105.450691][ T73] inet6_addr_add+0x30e/0xa40 [ 8105.450691][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.450691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.450691][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.450691][ T73] netlink_unicast+0x449/0x710 [ 8105.450691][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.450691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.450691][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.450691][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.450691][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.450691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.450691][ T73] [ 8105.452687][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8105.452687][ T73] netdev_get_by_index+0x5e/0x80 [ 8105.452687][ T73] fib6_nh_init+0x3d8/0x1580 [ 8105.452687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8105.452687][ T73] ip6_route_add+0x1c/0x140 [ 8105.452687][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8105.452687][ T73] addrconf_add_dev+0xe2/0x170 [ 8105.452687][ T73] inet6_addr_add+0x12f/0xa40 [ 8105.452687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8105.452687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.452687][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.452687][ T73] netlink_unicast+0x449/0x710 [ 8105.452687][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.452687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.452687][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.452687][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.452687][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.452687][ T73] [ 8105.454647][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8105.454647][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8105.454647][ T73] ipv6_find_idev+0x102/0x170 [ 8105.454647][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8105.454647][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.454647][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.454647][ T73] netlink_unicast+0x449/0x710 [ 8105.454647][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.454647][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.454647][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.454647][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.454647][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.454647][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.454647][ T73] [ 8105.456184][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8105.456184][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8105.456184][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8105.456184][ T73] ipv6_find_idev+0x102/0x170 [ 8105.456184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8105.456184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8105.456184][ T73] netlink_rcv_skb+0x130/0x360 [ 8105.456184][ T73] netlink_unicast+0x449/0x710 [ 8105.456184][ T73] netlink_sendmsg+0x723/0xbe0 [ 8105.456184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8105.456184][ T73] ___sys_sendmsg+0xee/0x170 [ 8105.456184][ T73] __sys_sendmsg+0xcd/0x170 [ 8105.456184][ T73] do_syscall_64+0xc6/0x1e0 [ 8105.456184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8105.456184][ T73] [ 8111.397713][ T42] INFO: task modprobe:1264 blocked for more than 860 seconds. [ 8111.398071][ T42] Not tainted 6.8.0-virtme #1 [ 8111.398188][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8111.398384][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 8111.398648][ T42] Call Trace: [ 8111.398750][ T42] [ 8111.398821][ T42] __schedule+0x705/0x1ac0 [ 8111.398957][ T42] ? __pfx___schedule+0x10/0x10 [ 8111.399084][ T42] ? schedule+0x1a5/0x210 [ 8111.399180][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8111.399308][ T42] ? mark_lock+0x38/0x3e0 [ 8111.399402][ T42] ? do_raw_spin_lock+0x131/0x270 [ 8111.399529][ T42] ? schedule+0x1a5/0x210 [ 8111.399639][ T42] schedule+0xdf/0x210 [ 8111.399740][ T42] schedule_preempt_disabled+0x15/0x30 [ 8111.399862][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 8111.399991][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 8111.400146][ T42] ? kasan_save_stack+0x34/0x50 [ 8111.400271][ T42] ? kasan_save_stack+0x24/0x50 [ 8111.400394][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8111.400526][ T42] ? lock_acquire+0x1c1/0x220 [ 8111.400655][ T42] ? register_pernet_subsys+0x1a/0x50 [ 8111.400789][ T42] down_write+0x1c9/0x200 [ 8111.400885][ T42] ? __pfx_down_write+0x10/0x10 [ 8111.401006][ T42] ? __pfx___lock_release+0x10/0x10 [ 8111.401138][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 8111.401300][ T42] register_pernet_subsys+0x1a/0x50 [ 8111.401423][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 8111.401584][ T42] do_one_initcall+0xc8/0x3f0 [ 8111.401721][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 8111.401849][ T42] ? __create_object+0x5e/0xb0 [ 8111.401975][ T42] ? kasan_unpoison+0x27/0x60 [ 8111.402111][ T42] do_init_module+0x233/0x740 [ 8111.402243][ T42] load_module+0x16b5/0x2350 [ 8111.402376][ T42] ? __pfx_load_module+0x10/0x10 [ 8111.402500][ T42] ? kernel_read_file+0x3d2/0x520 [ 8111.402638][ T42] ? kernel_read_file+0x300/0x520 [ 8111.402763][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 8111.402896][ T42] ? init_module_from_file+0xd2/0x130 [ 8111.403019][ T42] init_module_from_file+0xd2/0x130 [ 8111.403145][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 8111.403301][ T42] ? __lock_release+0x103/0x460 [ 8111.403422][ T42] ? idempotent_init_module+0x32a/0x620 [ 8111.403556][ T42] ? idempotent_init_module+0x32a/0x620 [ 8111.403690][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 8111.403815][ T42] idempotent_init_module+0x342/0x620 [ 8111.403940][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 8111.404112][ T42] __x64_sys_finit_module+0xbe/0x130 [ 8111.404242][ T42] do_syscall_64+0xc6/0x1e0 [ 8111.404368][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8111.404523][ T42] RIP: 0033:0x7f6e8f82ce5d [ 8111.404660][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8111.404844][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 8111.405023][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 8111.405209][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 8111.405392][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 8111.405577][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 8111.405781][ T42] [ 8111.405874][ T42] [ 8111.405874][ T42] Showing all locks held in the system: [ 8111.406051][ T42] 1 lock held by khungtaskd/42: [ 8111.406175][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 8111.406396][ T42] 3 locks held by kworker/u16:1/73: [ 8111.406511][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8111.406766][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8111.406985][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 8111.407206][ T42] 2 locks held by kworker/u20:1/76: [ 8111.407323][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8111.407564][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8111.407856][ T42] 1 lock held by modprobe/1264: [ 8111.407977][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 8111.408221][ T42] [ 8111.408283][ T42] ============================================= [ 8111.408283][ T42] [ 8115.677728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8115.678239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8115.678239][ T1076] netdev_get_by_index+0x5e/0x80 [ 8115.678239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8115.678239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8115.678239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8115.678239][ T1076] ipv6_add_addr+0x411/0x2000 [ 8115.678239][ T1076] inet6_addr_add+0x30e/0xa40 [ 8115.678239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.678239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.678239][ T1076] netlink_rcv_skb+0x130/0x360 [ 8115.678239][ T1076] netlink_unicast+0x449/0x710 [ 8115.678239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8115.678239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8115.678239][ T1076] ___sys_sendmsg+0xee/0x170 [ 8115.678239][ T1076] __sys_sendmsg+0xcd/0x170 [ 8115.678239][ T1076] do_syscall_64+0xc6/0x1e0 [ 8115.678239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.678239][ T1076] [ 8115.680491][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8115.680491][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8115.680491][ T1076] ipv6_find_idev+0x102/0x170 [ 8115.680491][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8115.680491][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.680491][ T1076] netlink_rcv_skb+0x130/0x360 [ 8115.680491][ T1076] netlink_unicast+0x449/0x710 [ 8115.680491][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8115.680491][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8115.680491][ T1076] ___sys_sendmsg+0xee/0x170 [ 8115.680491][ T1076] __sys_sendmsg+0xcd/0x170 [ 8115.680491][ T1076] do_syscall_64+0xc6/0x1e0 [ 8115.680491][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.680491][ T1076] [ 8115.682214][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8115.682214][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8115.682214][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8115.682214][ T1076] ipv6_find_idev+0x102/0x170 [ 8115.682214][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8115.682214][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.682214][ T1076] netlink_rcv_skb+0x130/0x360 [ 8115.682214][ T1076] netlink_unicast+0x449/0x710 [ 8115.682214][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8115.682214][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8115.682214][ T1076] ___sys_sendmsg+0xee/0x170 [ 8115.682214][ T1076] __sys_sendmsg+0xcd/0x170 [ 8115.682214][ T1076] do_syscall_64+0xc6/0x1e0 [ 8115.682214][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.682214][ T1076] [ 8115.693701][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8115.693999][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8115.693999][ T73] dst_init+0x84/0x4a0 [ 8115.693999][ T73] dst_alloc+0x97/0x150 [ 8115.693999][ T73] ip6_dst_alloc+0x23/0x90 [ 8115.693999][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8115.693999][ T73] ip6_pol_route+0x56f/0x840 [ 8115.693999][ T73] fib6_rule_lookup+0x456/0x630 [ 8115.693999][ T73] ip6_route_input+0x59c/0xa50 [ 8115.693999][ T73] ipv6_rcv+0x397/0x810 [ 8115.693999][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8115.693999][ T73] process_backlog+0x101/0x620 [ 8115.693999][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8115.693999][ T73] net_rx_action+0x495/0xbe0 [ 8115.693999][ T73] __do_softirq+0x1b5/0x7f6 [ 8115.693999][ T73] [ 8115.695656][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8115.695656][ T73] netdev_get_by_index+0x5e/0x80 [ 8115.695656][ T73] fib6_nh_init+0x3d8/0x1580 [ 8115.695656][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8115.695656][ T73] ip6_route_add+0x1c/0x140 [ 8115.695656][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8115.695656][ T73] inet6_addr_add+0x4f8/0xa40 [ 8115.695656][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.695656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.695656][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.695656][ T73] netlink_unicast+0x449/0x710 [ 8115.695656][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.695656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.695656][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.695656][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.695656][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.695656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.695656][ T73] [ 8115.697648][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8115.697648][ T73] netdev_get_by_index+0x5e/0x80 [ 8115.697648][ T73] fib6_nh_init+0x3d8/0x1580 [ 8115.697648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8115.697648][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8115.697648][ T73] ipv6_add_addr+0x411/0x2000 [ 8115.697648][ T73] inet6_addr_add+0x30e/0xa40 [ 8115.697648][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.697648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.697648][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.697648][ T73] netlink_unicast+0x449/0x710 [ 8115.697648][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.697648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.697648][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.697648][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.697648][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.697648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.697648][ T73] [ 8115.699631][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8115.699631][ T73] netdev_get_by_index+0x5e/0x80 [ 8115.699631][ T73] fib6_nh_init+0x3d8/0x1580 [ 8115.699631][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8115.699631][ T73] ip6_route_add+0x1c/0x140 [ 8115.699631][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8115.699631][ T73] addrconf_add_dev+0xe2/0x170 [ 8115.699631][ T73] inet6_addr_add+0x12f/0xa40 [ 8115.699631][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.699631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.699631][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.699631][ T73] netlink_unicast+0x449/0x710 [ 8115.699631][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.699631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.699631][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.699631][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.699631][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.699631][ T73] [ 8115.701595][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8115.701595][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8115.701595][ T73] ipv6_find_idev+0x102/0x170 [ 8115.701595][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8115.701595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.701595][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.701595][ T73] netlink_unicast+0x449/0x710 [ 8115.701595][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.701595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.701595][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.701595][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.701595][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.701595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.701595][ T73] [ 8115.703133][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8115.703133][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8115.703133][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8115.703133][ T73] ipv6_find_idev+0x102/0x170 [ 8115.703133][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8115.703133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.703133][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.703133][ T73] netlink_unicast+0x449/0x710 [ 8115.703133][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.703133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.703133][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.703133][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.703133][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.703133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.703133][ T73] [ 8115.704802][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8115.705036][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8115.705036][ T73] dst_init+0x84/0x4a0 [ 8115.705036][ T73] dst_alloc+0x97/0x150 [ 8115.705036][ T73] ip6_dst_alloc+0x23/0x90 [ 8115.705036][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8115.705036][ T73] ip6_pol_route+0x56f/0x840 [ 8115.705036][ T73] fib6_rule_lookup+0x456/0x630 [ 8115.705036][ T73] ip6_route_input+0x59c/0xa50 [ 8115.705036][ T73] ipv6_rcv+0x397/0x810 [ 8115.705036][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8115.705036][ T73] process_backlog+0x101/0x620 [ 8115.705036][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8115.705036][ T73] net_rx_action+0x495/0xbe0 [ 8115.705036][ T73] __do_softirq+0x1b5/0x7f6 [ 8115.705036][ T73] [ 8115.706692][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8115.706692][ T73] netdev_get_by_index+0x5e/0x80 [ 8115.706692][ T73] fib6_nh_init+0x3d8/0x1580 [ 8115.706692][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8115.706692][ T73] ip6_route_add+0x1c/0x140 [ 8115.706692][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8115.706692][ T73] inet6_addr_add+0x4f8/0xa40 [ 8115.706692][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.706692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.706692][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.706692][ T73] netlink_unicast+0x449/0x710 [ 8115.706692][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.706692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.706692][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.706692][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.706692][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.706692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.706692][ T73] [ 8115.708683][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8115.708683][ T73] netdev_get_by_index+0x5e/0x80 [ 8115.708683][ T73] fib6_nh_init+0x3d8/0x1580 [ 8115.708683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8115.708683][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8115.708683][ T73] ipv6_add_addr+0x411/0x2000 [ 8115.708683][ T73] inet6_addr_add+0x30e/0xa40 [ 8115.708683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.708683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.708683][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.708683][ T73] netlink_unicast+0x449/0x710 [ 8115.708683][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.708683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.708683][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.708683][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.708683][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.708683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.708683][ T73] [ 8115.710682][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8115.710682][ T73] netdev_get_by_index+0x5e/0x80 [ 8115.710682][ T73] fib6_nh_init+0x3d8/0x1580 [ 8115.710682][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8115.710682][ T73] ip6_route_add+0x1c/0x140 [ 8115.710682][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8115.710682][ T73] addrconf_add_dev+0xe2/0x170 [ 8115.710682][ T73] inet6_addr_add+0x12f/0xa40 [ 8115.710682][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8115.710682][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.710682][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.710682][ T73] netlink_unicast+0x449/0x710 [ 8115.710682][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.710682][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.710682][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.710682][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.710682][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.710682][ T73] [ 8115.712663][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8115.712663][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8115.712663][ T73] ipv6_find_idev+0x102/0x170 [ 8115.712663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8115.712663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.712663][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.712663][ T73] netlink_unicast+0x449/0x710 [ 8115.712663][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.712663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.712663][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.712663][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.712663][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.712663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.712663][ T73] [ 8115.714201][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8115.714201][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8115.714201][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8115.714201][ T73] ipv6_find_idev+0x102/0x170 [ 8115.714201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8115.714201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8115.714201][ T73] netlink_rcv_skb+0x130/0x360 [ 8115.714201][ T73] netlink_unicast+0x449/0x710 [ 8115.714201][ T73] netlink_sendmsg+0x723/0xbe0 [ 8115.714201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8115.714201][ T73] ___sys_sendmsg+0xee/0x170 [ 8115.714201][ T73] __sys_sendmsg+0xcd/0x170 [ 8115.714201][ T73] do_syscall_64+0xc6/0x1e0 [ 8115.714201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8115.714201][ T73] [ 8125.925711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8125.926230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8125.926230][ T1076] netdev_get_by_index+0x5e/0x80 [ 8125.926230][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8125.926230][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8125.926230][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8125.926230][ T1076] ipv6_add_addr+0x411/0x2000 [ 8125.926230][ T1076] inet6_addr_add+0x30e/0xa40 [ 8125.926230][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.926230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.926230][ T1076] netlink_rcv_skb+0x130/0x360 [ 8125.926230][ T1076] netlink_unicast+0x449/0x710 [ 8125.926230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8125.926230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8125.926230][ T1076] ___sys_sendmsg+0xee/0x170 [ 8125.926230][ T1076] __sys_sendmsg+0xcd/0x170 [ 8125.926230][ T1076] do_syscall_64+0xc6/0x1e0 [ 8125.926230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.926230][ T1076] [ 8125.928612][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8125.928612][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8125.928612][ T1076] ipv6_find_idev+0x102/0x170 [ 8125.928612][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.928612][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.928612][ T1076] netlink_rcv_skb+0x130/0x360 [ 8125.928612][ T1076] netlink_unicast+0x449/0x710 [ 8125.928612][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8125.928612][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8125.928612][ T1076] ___sys_sendmsg+0xee/0x170 [ 8125.928612][ T1076] __sys_sendmsg+0xcd/0x170 [ 8125.928612][ T1076] do_syscall_64+0xc6/0x1e0 [ 8125.928612][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.928612][ T1076] [ 8125.930348][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8125.930348][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8125.930348][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8125.930348][ T1076] ipv6_find_idev+0x102/0x170 [ 8125.930348][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.930348][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.930348][ T1076] netlink_rcv_skb+0x130/0x360 [ 8125.930348][ T1076] netlink_unicast+0x449/0x710 [ 8125.930348][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8125.930348][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8125.930348][ T1076] ___sys_sendmsg+0xee/0x170 [ 8125.930348][ T1076] __sys_sendmsg+0xcd/0x170 [ 8125.930348][ T1076] do_syscall_64+0xc6/0x1e0 [ 8125.930348][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.930348][ T1076] [ 8125.957713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8125.958072][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8125.958072][ T73] dst_init+0x84/0x4a0 [ 8125.958072][ T73] dst_alloc+0x97/0x150 [ 8125.958072][ T73] ip6_dst_alloc+0x23/0x90 [ 8125.958072][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8125.958072][ T73] ip6_pol_route+0x56f/0x840 [ 8125.958072][ T73] fib6_rule_lookup+0x456/0x630 [ 8125.958072][ T73] ip6_route_input+0x59c/0xa50 [ 8125.958072][ T73] ipv6_rcv+0x397/0x810 [ 8125.958072][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8125.958072][ T73] process_backlog+0x101/0x620 [ 8125.958072][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8125.958072][ T73] net_rx_action+0x495/0xbe0 [ 8125.958072][ T73] __do_softirq+0x1b5/0x7f6 [ 8125.958072][ T73] [ 8125.959741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8125.959741][ T73] netdev_get_by_index+0x5e/0x80 [ 8125.959741][ T73] fib6_nh_init+0x3d8/0x1580 [ 8125.959741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8125.959741][ T73] ip6_route_add+0x1c/0x140 [ 8125.959741][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8125.959741][ T73] inet6_addr_add+0x4f8/0xa40 [ 8125.959741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.959741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.959741][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.959741][ T73] netlink_unicast+0x449/0x710 [ 8125.959741][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.959741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.959741][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.959741][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.959741][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.959741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.959741][ T73] [ 8125.961737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8125.961737][ T73] netdev_get_by_index+0x5e/0x80 [ 8125.961737][ T73] fib6_nh_init+0x3d8/0x1580 [ 8125.961737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8125.961737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8125.961737][ T73] ipv6_add_addr+0x411/0x2000 [ 8125.961737][ T73] inet6_addr_add+0x30e/0xa40 [ 8125.961737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.961737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.961737][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.961737][ T73] netlink_unicast+0x449/0x710 [ 8125.961737][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.961737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.961737][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.961737][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.961737][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.961737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.961737][ T73] [ 8125.963726][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8125.963726][ T73] netdev_get_by_index+0x5e/0x80 [ 8125.963726][ T73] fib6_nh_init+0x3d8/0x1580 [ 8125.963726][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8125.963726][ T73] ip6_route_add+0x1c/0x140 [ 8125.963726][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8125.963726][ T73] addrconf_add_dev+0xe2/0x170 [ 8125.963726][ T73] inet6_addr_add+0x12f/0xa40 [ 8125.963726][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.963726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.963726][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.963726][ T73] netlink_unicast+0x449/0x710 [ 8125.963726][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.963726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.963726][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.963726][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.963726][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.963726][ T73] [ 8125.965708][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8125.965708][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8125.965708][ T73] ipv6_find_idev+0x102/0x170 [ 8125.965708][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.965708][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.965708][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.965708][ T73] netlink_unicast+0x449/0x710 [ 8125.965708][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.965708][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.965708][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.965708][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.965708][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.965708][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.965708][ T73] [ 8125.967245][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8125.967245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8125.967245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8125.967245][ T73] ipv6_find_idev+0x102/0x170 [ 8125.967245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.967245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.967245][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.967245][ T73] netlink_unicast+0x449/0x710 [ 8125.967245][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.967245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.967245][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.967245][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.967245][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.967245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.967245][ T73] [ 8125.968930][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8125.969189][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8125.969189][ T73] dst_init+0x84/0x4a0 [ 8125.969189][ T73] dst_alloc+0x97/0x150 [ 8125.969189][ T73] ip6_dst_alloc+0x23/0x90 [ 8125.969189][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8125.969189][ T73] ip6_pol_route+0x56f/0x840 [ 8125.969189][ T73] fib6_rule_lookup+0x456/0x630 [ 8125.969189][ T73] ip6_route_input+0x59c/0xa50 [ 8125.969189][ T73] ipv6_rcv+0x397/0x810 [ 8125.969189][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8125.969189][ T73] process_backlog+0x101/0x620 [ 8125.969189][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8125.969189][ T73] net_rx_action+0x495/0xbe0 [ 8125.969189][ T73] __do_softirq+0x1b5/0x7f6 [ 8125.969189][ T73] [ 8125.970832][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8125.970832][ T73] netdev_get_by_index+0x5e/0x80 [ 8125.970832][ T73] fib6_nh_init+0x3d8/0x1580 [ 8125.970832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8125.970832][ T73] ip6_route_add+0x1c/0x140 [ 8125.970832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8125.970832][ T73] inet6_addr_add+0x4f8/0xa40 [ 8125.970832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.970832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.970832][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.970832][ T73] netlink_unicast+0x449/0x710 [ 8125.970832][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.970832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.970832][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.970832][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.970832][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.970832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.970832][ T73] [ 8125.972857][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8125.972857][ T73] netdev_get_by_index+0x5e/0x80 [ 8125.972857][ T73] fib6_nh_init+0x3d8/0x1580 [ 8125.972857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8125.972857][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8125.972857][ T73] ipv6_add_addr+0x411/0x2000 [ 8125.972857][ T73] inet6_addr_add+0x30e/0xa40 [ 8125.972857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.972857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.972857][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.972857][ T73] netlink_unicast+0x449/0x710 [ 8125.972857][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.972857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.972857][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.972857][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.972857][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.972857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.972857][ T73] [ 8125.974860][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8125.974860][ T73] netdev_get_by_index+0x5e/0x80 [ 8125.974860][ T73] fib6_nh_init+0x3d8/0x1580 [ 8125.974860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8125.974860][ T73] ip6_route_add+0x1c/0x140 [ 8125.974860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8125.974860][ T73] addrconf_add_dev+0xe2/0x170 [ 8125.974860][ T73] inet6_addr_add+0x12f/0xa40 [ 8125.974860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8125.974860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.974860][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.974860][ T73] netlink_unicast+0x449/0x710 [ 8125.974860][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.974860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.974860][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.974860][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.974860][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.974860][ T73] [ 8125.976832][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8125.976832][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8125.976832][ T73] ipv6_find_idev+0x102/0x170 [ 8125.976832][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.976832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.976832][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.976832][ T73] netlink_unicast+0x449/0x710 [ 8125.976832][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.976832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.976832][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.976832][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.976832][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.976832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.976832][ T73] [ 8125.978383][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8125.978383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8125.978383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8125.978383][ T73] ipv6_find_idev+0x102/0x170 [ 8125.978383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8125.978383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8125.978383][ T73] netlink_rcv_skb+0x130/0x360 [ 8125.978383][ T73] netlink_unicast+0x449/0x710 [ 8125.978383][ T73] netlink_sendmsg+0x723/0xbe0 [ 8125.978383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8125.978383][ T73] ___sys_sendmsg+0xee/0x170 [ 8125.978383][ T73] __sys_sendmsg+0xcd/0x170 [ 8125.978383][ T73] do_syscall_64+0xc6/0x1e0 [ 8125.978383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8125.978383][ T73] [ 8136.173708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8136.174205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8136.174205][ T1076] netdev_get_by_index+0x5e/0x80 [ 8136.174205][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8136.174205][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8136.174205][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8136.174205][ T1076] ipv6_add_addr+0x411/0x2000 [ 8136.174205][ T1076] inet6_addr_add+0x30e/0xa40 [ 8136.174205][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.174205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.174205][ T1076] netlink_rcv_skb+0x130/0x360 [ 8136.174205][ T1076] netlink_unicast+0x449/0x710 [ 8136.174205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8136.174205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8136.174205][ T1076] ___sys_sendmsg+0xee/0x170 [ 8136.174205][ T1076] __sys_sendmsg+0xcd/0x170 [ 8136.174205][ T1076] do_syscall_64+0xc6/0x1e0 [ 8136.174205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.174205][ T1076] [ 8136.176574][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8136.176574][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8136.176574][ T1076] ipv6_find_idev+0x102/0x170 [ 8136.176574][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.176574][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.176574][ T1076] netlink_rcv_skb+0x130/0x360 [ 8136.176574][ T1076] netlink_unicast+0x449/0x710 [ 8136.176574][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8136.176574][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8136.176574][ T1076] ___sys_sendmsg+0xee/0x170 [ 8136.176574][ T1076] __sys_sendmsg+0xcd/0x170 [ 8136.176574][ T1076] do_syscall_64+0xc6/0x1e0 [ 8136.176574][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.176574][ T1076] [ 8136.178295][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8136.178295][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8136.178295][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8136.178295][ T1076] ipv6_find_idev+0x102/0x170 [ 8136.178295][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.178295][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.178295][ T1076] netlink_rcv_skb+0x130/0x360 [ 8136.178295][ T1076] netlink_unicast+0x449/0x710 [ 8136.178295][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8136.178295][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8136.178295][ T1076] ___sys_sendmsg+0xee/0x170 [ 8136.178295][ T1076] __sys_sendmsg+0xcd/0x170 [ 8136.178295][ T1076] do_syscall_64+0xc6/0x1e0 [ 8136.178295][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.178295][ T1076] [ 8136.221726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8136.222015][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8136.222015][ T73] dst_init+0x84/0x4a0 [ 8136.222015][ T73] dst_alloc+0x97/0x150 [ 8136.222015][ T73] ip6_dst_alloc+0x23/0x90 [ 8136.222015][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8136.222015][ T73] ip6_pol_route+0x56f/0x840 [ 8136.222015][ T73] fib6_rule_lookup+0x456/0x630 [ 8136.222015][ T73] ip6_route_input+0x59c/0xa50 [ 8136.222015][ T73] ipv6_rcv+0x397/0x810 [ 8136.222015][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8136.222015][ T73] process_backlog+0x101/0x620 [ 8136.222015][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8136.222015][ T73] net_rx_action+0x495/0xbe0 [ 8136.222015][ T73] __do_softirq+0x1b5/0x7f6 [ 8136.222015][ T73] [ 8136.223663][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8136.223663][ T73] netdev_get_by_index+0x5e/0x80 [ 8136.223663][ T73] fib6_nh_init+0x3d8/0x1580 [ 8136.223663][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8136.223663][ T73] ip6_route_add+0x1c/0x140 [ 8136.223663][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8136.223663][ T73] inet6_addr_add+0x4f8/0xa40 [ 8136.223663][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.223663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.223663][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.223663][ T73] netlink_unicast+0x449/0x710 [ 8136.223663][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.223663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.223663][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.223663][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.223663][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.223663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.223663][ T73] [ 8136.225648][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8136.225648][ T73] netdev_get_by_index+0x5e/0x80 [ 8136.225648][ T73] fib6_nh_init+0x3d8/0x1580 [ 8136.225648][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8136.225648][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8136.225648][ T73] ipv6_add_addr+0x411/0x2000 [ 8136.225648][ T73] inet6_addr_add+0x30e/0xa40 [ 8136.225648][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.225648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.225648][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.225648][ T73] netlink_unicast+0x449/0x710 [ 8136.225648][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.225648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.225648][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.225648][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.225648][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.225648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.225648][ T73] [ 8136.227629][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8136.227629][ T73] netdev_get_by_index+0x5e/0x80 [ 8136.227629][ T73] fib6_nh_init+0x3d8/0x1580 [ 8136.227629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8136.227629][ T73] ip6_route_add+0x1c/0x140 [ 8136.227629][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8136.227629][ T73] addrconf_add_dev+0xe2/0x170 [ 8136.227629][ T73] inet6_addr_add+0x12f/0xa40 [ 8136.227629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.227629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.227629][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.227629][ T73] netlink_unicast+0x449/0x710 [ 8136.227629][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.227629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.227629][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.227629][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.227629][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.227629][ T73] [ 8136.229575][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8136.229575][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8136.229575][ T73] ipv6_find_idev+0x102/0x170 [ 8136.229575][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.229575][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.229575][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.229575][ T73] netlink_unicast+0x449/0x710 [ 8136.229575][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.229575][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.229575][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.229575][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.229575][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.229575][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.229575][ T73] [ 8136.231106][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8136.231106][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8136.231106][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8136.231106][ T73] ipv6_find_idev+0x102/0x170 [ 8136.231106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.231106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.231106][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.231106][ T73] netlink_unicast+0x449/0x710 [ 8136.231106][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.231106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.231106][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.231106][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.231106][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.231106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.231106][ T73] [ 8136.232782][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8136.233030][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8136.233030][ T73] dst_init+0x84/0x4a0 [ 8136.233030][ T73] dst_alloc+0x97/0x150 [ 8136.233030][ T73] ip6_dst_alloc+0x23/0x90 [ 8136.233030][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8136.233030][ T73] ip6_pol_route+0x56f/0x840 [ 8136.233030][ T73] fib6_rule_lookup+0x456/0x630 [ 8136.233030][ T73] ip6_route_input+0x59c/0xa50 [ 8136.233030][ T73] ipv6_rcv+0x397/0x810 [ 8136.233030][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8136.233030][ T73] process_backlog+0x101/0x620 [ 8136.233030][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8136.233030][ T73] net_rx_action+0x495/0xbe0 [ 8136.233030][ T73] __do_softirq+0x1b5/0x7f6 [ 8136.233030][ T73] [ 8136.234652][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8136.234652][ T73] netdev_get_by_index+0x5e/0x80 [ 8136.234652][ T73] fib6_nh_init+0x3d8/0x1580 [ 8136.234652][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8136.234652][ T73] ip6_route_add+0x1c/0x140 [ 8136.234652][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8136.234652][ T73] inet6_addr_add+0x4f8/0xa40 [ 8136.234652][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.234652][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.234652][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.234652][ T73] netlink_unicast+0x449/0x710 [ 8136.234652][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.234652][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.234652][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.234652][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.234652][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.234652][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.234652][ T73] [ 8136.236639][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8136.236639][ T73] netdev_get_by_index+0x5e/0x80 [ 8136.236639][ T73] fib6_nh_init+0x3d8/0x1580 [ 8136.236639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8136.236639][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8136.236639][ T73] ipv6_add_addr+0x411/0x2000 [ 8136.236639][ T73] inet6_addr_add+0x30e/0xa40 [ 8136.236639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.236639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.236639][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.236639][ T73] netlink_unicast+0x449/0x710 [ 8136.236639][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.236639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.236639][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.236639][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.236639][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.236639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.236639][ T73] [ 8136.238618][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8136.238618][ T73] netdev_get_by_index+0x5e/0x80 [ 8136.238618][ T73] fib6_nh_init+0x3d8/0x1580 [ 8136.238618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8136.238618][ T73] ip6_route_add+0x1c/0x140 [ 8136.238618][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8136.238618][ T73] addrconf_add_dev+0xe2/0x170 [ 8136.238618][ T73] inet6_addr_add+0x12f/0xa40 [ 8136.238618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8136.238618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.238618][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.238618][ T73] netlink_unicast+0x449/0x710 [ 8136.238618][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.238618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.238618][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.238618][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.238618][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.238618][ T73] [ 8136.240567][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8136.240567][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8136.240567][ T73] ipv6_find_idev+0x102/0x170 [ 8136.240567][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.240567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.240567][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.240567][ T73] netlink_unicast+0x449/0x710 [ 8136.240567][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.240567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.240567][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.240567][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.240567][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.240567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.240567][ T73] [ 8136.242113][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8136.242113][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8136.242113][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8136.242113][ T73] ipv6_find_idev+0x102/0x170 [ 8136.242113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8136.242113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8136.242113][ T73] netlink_rcv_skb+0x130/0x360 [ 8136.242113][ T73] netlink_unicast+0x449/0x710 [ 8136.242113][ T73] netlink_sendmsg+0x723/0xbe0 [ 8136.242113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8136.242113][ T73] ___sys_sendmsg+0xee/0x170 [ 8136.242113][ T73] __sys_sendmsg+0xcd/0x170 [ 8136.242113][ T73] do_syscall_64+0xc6/0x1e0 [ 8136.242113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8136.242113][ T73] [ 8146.421812][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8146.422319][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8146.422319][ T1076] netdev_get_by_index+0x5e/0x80 [ 8146.422319][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8146.422319][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8146.422319][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8146.422319][ T1076] ipv6_add_addr+0x411/0x2000 [ 8146.422319][ T1076] inet6_addr_add+0x30e/0xa40 [ 8146.422319][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.422319][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.422319][ T1076] netlink_rcv_skb+0x130/0x360 [ 8146.422319][ T1076] netlink_unicast+0x449/0x710 [ 8146.422319][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8146.422319][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8146.422319][ T1076] ___sys_sendmsg+0xee/0x170 [ 8146.422319][ T1076] __sys_sendmsg+0xcd/0x170 [ 8146.422319][ T1076] do_syscall_64+0xc6/0x1e0 [ 8146.422319][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.422319][ T1076] [ 8146.424576][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8146.424576][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8146.424576][ T1076] ipv6_find_idev+0x102/0x170 [ 8146.424576][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.424576][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.424576][ T1076] netlink_rcv_skb+0x130/0x360 [ 8146.424576][ T1076] netlink_unicast+0x449/0x710 [ 8146.424576][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8146.424576][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8146.424576][ T1076] ___sys_sendmsg+0xee/0x170 [ 8146.424576][ T1076] __sys_sendmsg+0xcd/0x170 [ 8146.424576][ T1076] do_syscall_64+0xc6/0x1e0 [ 8146.424576][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.424576][ T1076] [ 8146.426315][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8146.426315][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8146.426315][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8146.426315][ T1076] ipv6_find_idev+0x102/0x170 [ 8146.426315][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.426315][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.426315][ T1076] netlink_rcv_skb+0x130/0x360 [ 8146.426315][ T1076] netlink_unicast+0x449/0x710 [ 8146.426315][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8146.426315][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8146.426315][ T1076] ___sys_sendmsg+0xee/0x170 [ 8146.426315][ T1076] __sys_sendmsg+0xcd/0x170 [ 8146.426315][ T1076] do_syscall_64+0xc6/0x1e0 [ 8146.426315][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.426315][ T1076] [ 8146.485709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8146.485998][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8146.485998][ T73] dst_init+0x84/0x4a0 [ 8146.485998][ T73] dst_alloc+0x97/0x150 [ 8146.485998][ T73] ip6_dst_alloc+0x23/0x90 [ 8146.485998][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8146.485998][ T73] ip6_pol_route+0x56f/0x840 [ 8146.485998][ T73] fib6_rule_lookup+0x456/0x630 [ 8146.485998][ T73] ip6_route_input+0x59c/0xa50 [ 8146.485998][ T73] ipv6_rcv+0x397/0x810 [ 8146.485998][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8146.485998][ T73] process_backlog+0x101/0x620 [ 8146.485998][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8146.485998][ T73] net_rx_action+0x495/0xbe0 [ 8146.485998][ T73] __do_softirq+0x1b5/0x7f6 [ 8146.485998][ T73] [ 8146.487640][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8146.487640][ T73] netdev_get_by_index+0x5e/0x80 [ 8146.487640][ T73] fib6_nh_init+0x3d8/0x1580 [ 8146.487640][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8146.487640][ T73] ip6_route_add+0x1c/0x140 [ 8146.487640][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8146.487640][ T73] inet6_addr_add+0x4f8/0xa40 [ 8146.487640][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.487640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.487640][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.487640][ T73] netlink_unicast+0x449/0x710 [ 8146.487640][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.487640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.487640][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.487640][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.487640][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.487640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.487640][ T73] [ 8146.489619][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8146.489619][ T73] netdev_get_by_index+0x5e/0x80 [ 8146.489619][ T73] fib6_nh_init+0x3d8/0x1580 [ 8146.489619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8146.489619][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8146.489619][ T73] ipv6_add_addr+0x411/0x2000 [ 8146.489619][ T73] inet6_addr_add+0x30e/0xa40 [ 8146.489619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.489619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.489619][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.489619][ T73] netlink_unicast+0x449/0x710 [ 8146.489619][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.489619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.489619][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.489619][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.489619][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.489619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.489619][ T73] [ 8146.491599][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8146.491599][ T73] netdev_get_by_index+0x5e/0x80 [ 8146.491599][ T73] fib6_nh_init+0x3d8/0x1580 [ 8146.491599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8146.491599][ T73] ip6_route_add+0x1c/0x140 [ 8146.491599][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8146.491599][ T73] addrconf_add_dev+0xe2/0x170 [ 8146.491599][ T73] inet6_addr_add+0x12f/0xa40 [ 8146.491599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.491599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.491599][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.491599][ T73] netlink_unicast+0x449/0x710 [ 8146.491599][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.491599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.491599][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.491599][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.491599][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.491599][ T73] [ 8146.493541][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8146.493541][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8146.493541][ T73] ipv6_find_idev+0x102/0x170 [ 8146.493541][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.493541][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.493541][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.493541][ T73] netlink_unicast+0x449/0x710 [ 8146.493541][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.493541][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.493541][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.493541][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.493541][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.493541][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.493541][ T73] [ 8146.495080][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8146.495080][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8146.495080][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8146.495080][ T73] ipv6_find_idev+0x102/0x170 [ 8146.495080][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.495080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.495080][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.495080][ T73] netlink_unicast+0x449/0x710 [ 8146.495080][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.495080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.495080][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.495080][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.495080][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.495080][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.495080][ T73] [ 8146.496758][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8146.497002][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8146.497002][ T73] dst_init+0x84/0x4a0 [ 8146.497002][ T73] dst_alloc+0x97/0x150 [ 8146.497002][ T73] ip6_dst_alloc+0x23/0x90 [ 8146.497002][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8146.497002][ T73] ip6_pol_route+0x56f/0x840 [ 8146.497002][ T73] fib6_rule_lookup+0x456/0x630 [ 8146.497002][ T73] ip6_route_input+0x59c/0xa50 [ 8146.497002][ T73] ipv6_rcv+0x397/0x810 [ 8146.497002][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8146.497002][ T73] process_backlog+0x101/0x620 [ 8146.497002][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8146.497002][ T73] net_rx_action+0x495/0xbe0 [ 8146.497002][ T73] __do_softirq+0x1b5/0x7f6 [ 8146.497002][ T73] [ 8146.498630][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8146.498630][ T73] netdev_get_by_index+0x5e/0x80 [ 8146.498630][ T73] fib6_nh_init+0x3d8/0x1580 [ 8146.498630][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8146.498630][ T73] ip6_route_add+0x1c/0x140 [ 8146.498630][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8146.498630][ T73] inet6_addr_add+0x4f8/0xa40 [ 8146.498630][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.498630][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.498630][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.498630][ T73] netlink_unicast+0x449/0x710 [ 8146.498630][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.498630][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.498630][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.498630][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.498630][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.498630][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.498630][ T73] [ 8146.500626][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8146.500626][ T73] netdev_get_by_index+0x5e/0x80 [ 8146.500626][ T73] fib6_nh_init+0x3d8/0x1580 [ 8146.500626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8146.500626][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8146.500626][ T73] ipv6_add_addr+0x411/0x2000 [ 8146.500626][ T73] inet6_addr_add+0x30e/0xa40 [ 8146.500626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.500626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.500626][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.500626][ T73] netlink_unicast+0x449/0x710 [ 8146.500626][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.500626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.500626][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.500626][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.500626][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.500626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.500626][ T73] [ 8146.502609][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8146.502609][ T73] netdev_get_by_index+0x5e/0x80 [ 8146.502609][ T73] fib6_nh_init+0x3d8/0x1580 [ 8146.502609][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8146.502609][ T73] ip6_route_add+0x1c/0x140 [ 8146.502609][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8146.502609][ T73] addrconf_add_dev+0xe2/0x170 [ 8146.502609][ T73] inet6_addr_add+0x12f/0xa40 [ 8146.502609][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8146.502609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.502609][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.502609][ T73] netlink_unicast+0x449/0x710 [ 8146.502609][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.502609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.502609][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.502609][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.502609][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.502609][ T73] [ 8146.504564][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8146.504564][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8146.504564][ T73] ipv6_find_idev+0x102/0x170 [ 8146.504564][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.504564][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.504564][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.504564][ T73] netlink_unicast+0x449/0x710 [ 8146.504564][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.504564][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.504564][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.504564][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.504564][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.504564][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.504564][ T73] [ 8146.506098][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8146.506098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8146.506098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8146.506098][ T73] ipv6_find_idev+0x102/0x170 [ 8146.506098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8146.506098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8146.506098][ T73] netlink_rcv_skb+0x130/0x360 [ 8146.506098][ T73] netlink_unicast+0x449/0x710 [ 8146.506098][ T73] netlink_sendmsg+0x723/0xbe0 [ 8146.506098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8146.506098][ T73] ___sys_sendmsg+0xee/0x170 [ 8146.506098][ T73] __sys_sendmsg+0xcd/0x170 [ 8146.506098][ T73] do_syscall_64+0xc6/0x1e0 [ 8146.506098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8146.506098][ T73] [ 8156.669709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8156.670227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8156.670227][ T1076] netdev_get_by_index+0x5e/0x80 [ 8156.670227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8156.670227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8156.670227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8156.670227][ T1076] ipv6_add_addr+0x411/0x2000 [ 8156.670227][ T1076] inet6_addr_add+0x30e/0xa40 [ 8156.670227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.670227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.670227][ T1076] netlink_rcv_skb+0x130/0x360 [ 8156.670227][ T1076] netlink_unicast+0x449/0x710 [ 8156.670227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8156.670227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8156.670227][ T1076] ___sys_sendmsg+0xee/0x170 [ 8156.670227][ T1076] __sys_sendmsg+0xcd/0x170 [ 8156.670227][ T1076] do_syscall_64+0xc6/0x1e0 [ 8156.670227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.670227][ T1076] [ 8156.672501][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8156.672501][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8156.672501][ T1076] ipv6_find_idev+0x102/0x170 [ 8156.672501][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8156.672501][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.672501][ T1076] netlink_rcv_skb+0x130/0x360 [ 8156.672501][ T1076] netlink_unicast+0x449/0x710 [ 8156.672501][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8156.672501][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8156.672501][ T1076] ___sys_sendmsg+0xee/0x170 [ 8156.672501][ T1076] __sys_sendmsg+0xcd/0x170 [ 8156.672501][ T1076] do_syscall_64+0xc6/0x1e0 [ 8156.672501][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.672501][ T1076] [ 8156.674229][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8156.674229][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8156.674229][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8156.674229][ T1076] ipv6_find_idev+0x102/0x170 [ 8156.674229][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8156.674229][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.674229][ T1076] netlink_rcv_skb+0x130/0x360 [ 8156.674229][ T1076] netlink_unicast+0x449/0x710 [ 8156.674229][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8156.674229][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8156.674229][ T1076] ___sys_sendmsg+0xee/0x170 [ 8156.674229][ T1076] __sys_sendmsg+0xcd/0x170 [ 8156.674229][ T1076] do_syscall_64+0xc6/0x1e0 [ 8156.674229][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.674229][ T1076] [ 8156.749733][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8156.750105][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8156.750105][ T73] dst_init+0x84/0x4a0 [ 8156.750105][ T73] dst_alloc+0x97/0x150 [ 8156.750105][ T73] ip6_dst_alloc+0x23/0x90 [ 8156.750105][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8156.750105][ T73] ip6_pol_route+0x56f/0x840 [ 8156.750105][ T73] fib6_rule_lookup+0x456/0x630 [ 8156.750105][ T73] ip6_route_input+0x59c/0xa50 [ 8156.750105][ T73] ipv6_rcv+0x397/0x810 [ 8156.750105][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8156.750105][ T73] process_backlog+0x101/0x620 [ 8156.750105][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8156.750105][ T73] net_rx_action+0x495/0xbe0 [ 8156.750105][ T73] __do_softirq+0x1b5/0x7f6 [ 8156.750105][ T73] [ 8156.751769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8156.751769][ T73] netdev_get_by_index+0x5e/0x80 [ 8156.751769][ T73] fib6_nh_init+0x3d8/0x1580 [ 8156.751769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8156.751769][ T73] ip6_route_add+0x1c/0x140 [ 8156.751769][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8156.751769][ T73] inet6_addr_add+0x4f8/0xa40 [ 8156.751769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.751769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.751769][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.751769][ T73] netlink_unicast+0x449/0x710 [ 8156.751769][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.751769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.751769][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.751769][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.751769][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.751769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.751769][ T73] [ 8156.753752][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8156.753752][ T73] netdev_get_by_index+0x5e/0x80 [ 8156.753752][ T73] fib6_nh_init+0x3d8/0x1580 [ 8156.753752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8156.753752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8156.753752][ T73] ipv6_add_addr+0x411/0x2000 [ 8156.753752][ T73] inet6_addr_add+0x30e/0xa40 [ 8156.753752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.753752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.753752][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.753752][ T73] netlink_unicast+0x449/0x710 [ 8156.753752][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.753752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.753752][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.753752][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.753752][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.753752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.753752][ T73] [ 8156.755754][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8156.755754][ T73] netdev_get_by_index+0x5e/0x80 [ 8156.755754][ T73] fib6_nh_init+0x3d8/0x1580 [ 8156.755754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8156.755754][ T73] ip6_route_add+0x1c/0x140 [ 8156.755754][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8156.755754][ T73] addrconf_add_dev+0xe2/0x170 [ 8156.755754][ T73] inet6_addr_add+0x12f/0xa40 [ 8156.755754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.755754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.755754][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.755754][ T73] netlink_unicast+0x449/0x710 [ 8156.755754][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.755754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.755754][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.755754][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.755754][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.755754][ T73] [ 8156.757707][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8156.757707][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8156.757707][ T73] ipv6_find_idev+0x102/0x170 [ 8156.757707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8156.757707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.757707][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.757707][ T73] netlink_unicast+0x449/0x710 [ 8156.757707][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.757707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.757707][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.757707][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.757707][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.757707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.757707][ T73] [ 8156.759248][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8156.759248][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8156.759248][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8156.759248][ T73] ipv6_find_idev+0x102/0x170 [ 8156.759248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8156.759248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.759248][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.759248][ T73] netlink_unicast+0x449/0x710 [ 8156.759248][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.759248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.759248][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.759248][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.759248][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.759248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.759248][ T73] [ 8156.760945][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8156.761190][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8156.761190][ T73] dst_init+0x84/0x4a0 [ 8156.761190][ T73] dst_alloc+0x97/0x150 [ 8156.761190][ T73] ip6_dst_alloc+0x23/0x90 [ 8156.761190][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8156.761190][ T73] ip6_pol_route+0x56f/0x840 [ 8156.761190][ T73] fib6_rule_lookup+0x456/0x630 [ 8156.761190][ T73] ip6_route_input+0x59c/0xa50 [ 8156.761190][ T73] ipv6_rcv+0x397/0x810 [ 8156.761190][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8156.761190][ T73] process_backlog+0x101/0x620 [ 8156.761190][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8156.761190][ T73] net_rx_action+0x495/0xbe0 [ 8156.761190][ T73] __do_softirq+0x1b5/0x7f6 [ 8156.761190][ T73] [ 8156.762825][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8156.762825][ T73] netdev_get_by_index+0x5e/0x80 [ 8156.762825][ T73] fib6_nh_init+0x3d8/0x1580 [ 8156.762825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8156.762825][ T73] ip6_route_add+0x1c/0x140 [ 8156.762825][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8156.762825][ T73] inet6_addr_add+0x4f8/0xa40 [ 8156.762825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.762825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.762825][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.762825][ T73] netlink_unicast+0x449/0x710 [ 8156.762825][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.762825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.762825][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.762825][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.762825][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.762825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.762825][ T73] [ 8156.764838][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8156.764838][ T73] netdev_get_by_index+0x5e/0x80 [ 8156.764838][ T73] fib6_nh_init+0x3d8/0x1580 [ 8156.764838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8156.764838][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8156.764838][ T73] ipv6_add_addr+0x411/0x2000 [ 8156.764838][ T73] inet6_addr_add+0x30e/0xa40 [ 8156.764838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.764838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.764838][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.764838][ T73] netlink_unicast+0x449/0x710 [ 8156.764838][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.764838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.764838][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.764838][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.764838][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.764838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.764838][ T73] [ 8156.766851][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8156.766851][ T73] netdev_get_by_index+0x5e/0x80 [ 8156.766851][ T73] fib6_nh_init+0x3d8/0x1580 [ 8156.766851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8156.766851][ T73] ip6_route_add+0x1c/0x140 [ 8156.766851][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8156.766851][ T73] addrconf_add_dev+0xe2/0x170 [ 8156.766851][ T73] inet6_addr_add+0x12f/0xa40 [ 8156.766851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8156.766851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.766851][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.766851][ T73] netlink_unicast+0x449/0x710 [ 8156.766851][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.766851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.766851][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.766851][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.766851][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.766851][ T73] [ 8156.768816][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8156.768816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8156.768816][ T73] ipv6_find_idev+0x102/0x170 [ 8156.768816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8156.768816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.768816][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.768816][ T73] netlink_unicast+0x449/0x710 [ 8156.768816][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.768816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.768816][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.768816][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.768816][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.768816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.768816][ T73] [ 8156.770354][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8156.770354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8156.770354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8156.770354][ T73] ipv6_find_idev+0x102/0x170 [ 8156.770354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8156.770354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8156.770354][ T73] netlink_rcv_skb+0x130/0x360 [ 8156.770354][ T73] netlink_unicast+0x449/0x710 [ 8156.770354][ T73] netlink_sendmsg+0x723/0xbe0 [ 8156.770354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8156.770354][ T73] ___sys_sendmsg+0xee/0x170 [ 8156.770354][ T73] __sys_sendmsg+0xcd/0x170 [ 8156.770354][ T73] do_syscall_64+0xc6/0x1e0 [ 8156.770354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8156.770354][ T73] [ 8166.861661][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8166.862085][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8166.862085][ T73] dst_init+0x84/0x4a0 [ 8166.862085][ T73] dst_alloc+0x97/0x150 [ 8166.862085][ T73] ip6_dst_alloc+0x23/0x90 [ 8166.862085][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8166.862085][ T73] ip6_pol_route+0x56f/0x840 [ 8166.862085][ T73] fib6_rule_lookup+0x456/0x630 [ 8166.862085][ T73] ip6_route_input+0x59c/0xa50 [ 8166.862085][ T73] ipv6_rcv+0x397/0x810 [ 8166.862085][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8166.862085][ T73] process_backlog+0x101/0x620 [ 8166.862085][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8166.862085][ T73] net_rx_action+0x495/0xbe0 [ 8166.862085][ T73] __do_softirq+0x1b5/0x7f6 [ 8166.862085][ T73] [ 8166.863766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8166.863766][ T73] netdev_get_by_index+0x5e/0x80 [ 8166.863766][ T73] fib6_nh_init+0x3d8/0x1580 [ 8166.863766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8166.863766][ T73] ip6_route_add+0x1c/0x140 [ 8166.863766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8166.863766][ T73] inet6_addr_add+0x4f8/0xa40 [ 8166.863766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.863766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.863766][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.863766][ T73] netlink_unicast+0x449/0x710 [ 8166.863766][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.863766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.863766][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.863766][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.863766][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.863766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.863766][ T73] [ 8166.865786][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8166.865786][ T73] netdev_get_by_index+0x5e/0x80 [ 8166.865786][ T73] fib6_nh_init+0x3d8/0x1580 [ 8166.865786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8166.865786][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8166.865786][ T73] ipv6_add_addr+0x411/0x2000 [ 8166.865786][ T73] inet6_addr_add+0x30e/0xa40 [ 8166.865786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.865786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.865786][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.865786][ T73] netlink_unicast+0x449/0x710 [ 8166.865786][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.865786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.865786][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.865786][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.865786][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.865786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.865786][ T73] [ 8166.867778][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8166.867778][ T73] netdev_get_by_index+0x5e/0x80 [ 8166.867778][ T73] fib6_nh_init+0x3d8/0x1580 [ 8166.867778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8166.867778][ T73] ip6_route_add+0x1c/0x140 [ 8166.867778][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8166.867778][ T73] addrconf_add_dev+0xe2/0x170 [ 8166.867778][ T73] inet6_addr_add+0x12f/0xa40 [ 8166.867778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.867778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.867778][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.867778][ T73] netlink_unicast+0x449/0x710 [ 8166.867778][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.867778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.867778][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.867778][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.867778][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.867778][ T73] [ 8166.869741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8166.869741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8166.869741][ T73] ipv6_find_idev+0x102/0x170 [ 8166.869741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.869741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.869741][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.869741][ T73] netlink_unicast+0x449/0x710 [ 8166.869741][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.869741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.869741][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.869741][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.869741][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.869741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.869741][ T73] [ 8166.871293][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8166.871293][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8166.871293][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8166.871293][ T73] ipv6_find_idev+0x102/0x170 [ 8166.871293][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.871293][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.871293][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.871293][ T73] netlink_unicast+0x449/0x710 [ 8166.871293][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.871293][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.871293][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.871293][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.871293][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.871293][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.871293][ T73] [ 8166.872995][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8166.873247][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8166.873247][ T73] dst_init+0x84/0x4a0 [ 8166.873247][ T73] dst_alloc+0x97/0x150 [ 8166.873247][ T73] ip6_dst_alloc+0x23/0x90 [ 8166.873247][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8166.873247][ T73] ip6_pol_route+0x56f/0x840 [ 8166.873247][ T73] fib6_rule_lookup+0x456/0x630 [ 8166.873247][ T73] ip6_route_input+0x59c/0xa50 [ 8166.873247][ T73] ipv6_rcv+0x397/0x810 [ 8166.873247][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8166.873247][ T73] process_backlog+0x101/0x620 [ 8166.873247][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8166.873247][ T73] net_rx_action+0x495/0xbe0 [ 8166.873247][ T73] __do_softirq+0x1b5/0x7f6 [ 8166.873247][ T73] [ 8166.874893][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8166.874893][ T73] netdev_get_by_index+0x5e/0x80 [ 8166.874893][ T73] fib6_nh_init+0x3d8/0x1580 [ 8166.874893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8166.874893][ T73] ip6_route_add+0x1c/0x140 [ 8166.874893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8166.874893][ T73] inet6_addr_add+0x4f8/0xa40 [ 8166.874893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.874893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.874893][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.874893][ T73] netlink_unicast+0x449/0x710 [ 8166.874893][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.874893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.874893][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.874893][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.874893][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.874893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.874893][ T73] [ 8166.876912][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8166.876912][ T73] netdev_get_by_index+0x5e/0x80 [ 8166.876912][ T73] fib6_nh_init+0x3d8/0x1580 [ 8166.876912][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8166.876912][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8166.876912][ T73] ipv6_add_addr+0x411/0x2000 [ 8166.876912][ T73] inet6_addr_add+0x30e/0xa40 [ 8166.876912][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.876912][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.876912][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.876912][ T73] netlink_unicast+0x449/0x710 [ 8166.876912][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.876912][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.876912][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.876912][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.876912][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.876912][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.876912][ T73] [ 8166.878942][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8166.878942][ T73] netdev_get_by_index+0x5e/0x80 [ 8166.878942][ T73] fib6_nh_init+0x3d8/0x1580 [ 8166.878942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8166.878942][ T73] ip6_route_add+0x1c/0x140 [ 8166.878942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8166.878942][ T73] addrconf_add_dev+0xe2/0x170 [ 8166.878942][ T73] inet6_addr_add+0x12f/0xa40 [ 8166.878942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.878942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.878942][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.878942][ T73] netlink_unicast+0x449/0x710 [ 8166.878942][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.878942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.878942][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.878942][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.878942][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.878942][ T73] [ 8166.880919][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8166.880919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8166.880919][ T73] ipv6_find_idev+0x102/0x170 [ 8166.880919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.880919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.880919][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.880919][ T73] netlink_unicast+0x449/0x710 [ 8166.880919][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.880919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.880919][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.880919][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.880919][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.880919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.880919][ T73] [ 8166.882463][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8166.882463][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8166.882463][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8166.882463][ T73] ipv6_find_idev+0x102/0x170 [ 8166.882463][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.882463][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.882463][ T73] netlink_rcv_skb+0x130/0x360 [ 8166.882463][ T73] netlink_unicast+0x449/0x710 [ 8166.882463][ T73] netlink_sendmsg+0x723/0xbe0 [ 8166.882463][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8166.882463][ T73] ___sys_sendmsg+0xee/0x170 [ 8166.882463][ T73] __sys_sendmsg+0xcd/0x170 [ 8166.882463][ T73] do_syscall_64+0xc6/0x1e0 [ 8166.882463][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.882463][ T73] [ 8166.917713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8166.918165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8166.918165][ T1076] netdev_get_by_index+0x5e/0x80 [ 8166.918165][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8166.918165][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8166.918165][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8166.918165][ T1076] ipv6_add_addr+0x411/0x2000 [ 8166.918165][ T1076] inet6_addr_add+0x30e/0xa40 [ 8166.918165][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8166.918165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.918165][ T1076] netlink_rcv_skb+0x130/0x360 [ 8166.918165][ T1076] netlink_unicast+0x449/0x710 [ 8166.918165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8166.918165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8166.918165][ T1076] ___sys_sendmsg+0xee/0x170 [ 8166.918165][ T1076] __sys_sendmsg+0xcd/0x170 [ 8166.918165][ T1076] do_syscall_64+0xc6/0x1e0 [ 8166.918165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.918165][ T1076] [ 8166.920423][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8166.920423][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8166.920423][ T1076] ipv6_find_idev+0x102/0x170 [ 8166.920423][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.920423][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.920423][ T1076] netlink_rcv_skb+0x130/0x360 [ 8166.920423][ T1076] netlink_unicast+0x449/0x710 [ 8166.920423][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8166.920423][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8166.920423][ T1076] ___sys_sendmsg+0xee/0x170 [ 8166.920423][ T1076] __sys_sendmsg+0xcd/0x170 [ 8166.920423][ T1076] do_syscall_64+0xc6/0x1e0 [ 8166.920423][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.920423][ T1076] [ 8166.922668][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8166.922668][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8166.922668][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8166.922668][ T1076] ipv6_find_idev+0x102/0x170 [ 8166.922668][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8166.922668][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8166.922668][ T1076] netlink_rcv_skb+0x130/0x360 [ 8166.922668][ T1076] netlink_unicast+0x449/0x710 [ 8166.922668][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8166.922668][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8166.922668][ T1076] ___sys_sendmsg+0xee/0x170 [ 8166.922668][ T1076] __sys_sendmsg+0xcd/0x170 [ 8166.922668][ T1076] do_syscall_64+0xc6/0x1e0 [ 8166.922668][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8166.922668][ T1076] [ 8177.125665][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8177.126100][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8177.126100][ T73] dst_init+0x84/0x4a0 [ 8177.126100][ T73] dst_alloc+0x97/0x150 [ 8177.126100][ T73] ip6_dst_alloc+0x23/0x90 [ 8177.126100][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8177.126100][ T73] ip6_pol_route+0x56f/0x840 [ 8177.126100][ T73] fib6_rule_lookup+0x456/0x630 [ 8177.126100][ T73] ip6_route_input+0x59c/0xa50 [ 8177.126100][ T73] ipv6_rcv+0x397/0x810 [ 8177.126100][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8177.126100][ T73] process_backlog+0x101/0x620 [ 8177.126100][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8177.126100][ T73] net_rx_action+0x495/0xbe0 [ 8177.126100][ T73] __do_softirq+0x1b5/0x7f6 [ 8177.126100][ T73] [ 8177.127764][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8177.127764][ T73] netdev_get_by_index+0x5e/0x80 [ 8177.127764][ T73] fib6_nh_init+0x3d8/0x1580 [ 8177.127764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8177.127764][ T73] ip6_route_add+0x1c/0x140 [ 8177.127764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8177.127764][ T73] inet6_addr_add+0x4f8/0xa40 [ 8177.127764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.127764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.127764][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.127764][ T73] netlink_unicast+0x449/0x710 [ 8177.127764][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.127764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.127764][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.127764][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.127764][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.127764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.127764][ T73] [ 8177.129789][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8177.129789][ T73] netdev_get_by_index+0x5e/0x80 [ 8177.129789][ T73] fib6_nh_init+0x3d8/0x1580 [ 8177.129789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8177.129789][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8177.129789][ T73] ipv6_add_addr+0x411/0x2000 [ 8177.129789][ T73] inet6_addr_add+0x30e/0xa40 [ 8177.129789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.129789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.129789][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.129789][ T73] netlink_unicast+0x449/0x710 [ 8177.129789][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.129789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.129789][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.129789][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.129789][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.129789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.129789][ T73] [ 8177.131787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8177.131787][ T73] netdev_get_by_index+0x5e/0x80 [ 8177.131787][ T73] fib6_nh_init+0x3d8/0x1580 [ 8177.131787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8177.131787][ T73] ip6_route_add+0x1c/0x140 [ 8177.131787][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8177.131787][ T73] addrconf_add_dev+0xe2/0x170 [ 8177.131787][ T73] inet6_addr_add+0x12f/0xa40 [ 8177.131787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.131787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.131787][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.131787][ T73] netlink_unicast+0x449/0x710 [ 8177.131787][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.131787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.131787][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.131787][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.131787][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.131787][ T73] [ 8177.133758][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8177.133758][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8177.133758][ T73] ipv6_find_idev+0x102/0x170 [ 8177.133758][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.133758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.133758][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.133758][ T73] netlink_unicast+0x449/0x710 [ 8177.133758][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.133758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.133758][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.133758][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.133758][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.133758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.133758][ T73] [ 8177.135299][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8177.135299][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8177.135299][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8177.135299][ T73] ipv6_find_idev+0x102/0x170 [ 8177.135299][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.135299][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.135299][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.135299][ T73] netlink_unicast+0x449/0x710 [ 8177.135299][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.135299][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.135299][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.135299][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.135299][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.135299][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.135299][ T73] [ 8177.136984][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8177.137218][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8177.137218][ T73] dst_init+0x84/0x4a0 [ 8177.137218][ T73] dst_alloc+0x97/0x150 [ 8177.137218][ T73] ip6_dst_alloc+0x23/0x90 [ 8177.137218][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8177.137218][ T73] ip6_pol_route+0x56f/0x840 [ 8177.137218][ T73] fib6_rule_lookup+0x456/0x630 [ 8177.137218][ T73] ip6_route_input+0x59c/0xa50 [ 8177.137218][ T73] ipv6_rcv+0x397/0x810 [ 8177.137218][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8177.137218][ T73] process_backlog+0x101/0x620 [ 8177.137218][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8177.137218][ T73] net_rx_action+0x495/0xbe0 [ 8177.137218][ T73] __do_softirq+0x1b5/0x7f6 [ 8177.137218][ T73] [ 8177.138862][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8177.138862][ T73] netdev_get_by_index+0x5e/0x80 [ 8177.138862][ T73] fib6_nh_init+0x3d8/0x1580 [ 8177.138862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8177.138862][ T73] ip6_route_add+0x1c/0x140 [ 8177.138862][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8177.138862][ T73] inet6_addr_add+0x4f8/0xa40 [ 8177.138862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.138862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.138862][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.138862][ T73] netlink_unicast+0x449/0x710 [ 8177.138862][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.138862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.138862][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.138862][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.138862][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.138862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.138862][ T73] [ 8177.140860][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8177.140860][ T73] netdev_get_by_index+0x5e/0x80 [ 8177.140860][ T73] fib6_nh_init+0x3d8/0x1580 [ 8177.140860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8177.140860][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8177.140860][ T73] ipv6_add_addr+0x411/0x2000 [ 8177.140860][ T73] inet6_addr_add+0x30e/0xa40 [ 8177.140860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.140860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.140860][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.140860][ T73] netlink_unicast+0x449/0x710 [ 8177.140860][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.140860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.140860][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.140860][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.140860][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.140860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.140860][ T73] [ 8177.142860][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8177.142860][ T73] netdev_get_by_index+0x5e/0x80 [ 8177.142860][ T73] fib6_nh_init+0x3d8/0x1580 [ 8177.142860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8177.142860][ T73] ip6_route_add+0x1c/0x140 [ 8177.142860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8177.142860][ T73] addrconf_add_dev+0xe2/0x170 [ 8177.142860][ T73] inet6_addr_add+0x12f/0xa40 [ 8177.142860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.142860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.142860][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.142860][ T73] netlink_unicast+0x449/0x710 [ 8177.142860][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.142860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.142860][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.142860][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.142860][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.142860][ T73] [ 8177.144819][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8177.144819][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8177.144819][ T73] ipv6_find_idev+0x102/0x170 [ 8177.144819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.144819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.144819][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.144819][ T73] netlink_unicast+0x449/0x710 [ 8177.144819][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.144819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.144819][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.144819][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.144819][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.144819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.144819][ T73] [ 8177.146359][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8177.146359][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8177.146359][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8177.146359][ T73] ipv6_find_idev+0x102/0x170 [ 8177.146359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.146359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.146359][ T73] netlink_rcv_skb+0x130/0x360 [ 8177.146359][ T73] netlink_unicast+0x449/0x710 [ 8177.146359][ T73] netlink_sendmsg+0x723/0xbe0 [ 8177.146359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8177.146359][ T73] ___sys_sendmsg+0xee/0x170 [ 8177.146359][ T73] __sys_sendmsg+0xcd/0x170 [ 8177.146359][ T73] do_syscall_64+0xc6/0x1e0 [ 8177.146359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.146359][ T73] [ 8177.165710][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8177.166061][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8177.166061][ T1076] netdev_get_by_index+0x5e/0x80 [ 8177.166061][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8177.166061][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8177.166061][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8177.166061][ T1076] ipv6_add_addr+0x411/0x2000 [ 8177.166061][ T1076] inet6_addr_add+0x30e/0xa40 [ 8177.166061][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8177.166061][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.166061][ T1076] netlink_rcv_skb+0x130/0x360 [ 8177.166061][ T1076] netlink_unicast+0x449/0x710 [ 8177.166061][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8177.166061][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8177.166061][ T1076] ___sys_sendmsg+0xee/0x170 [ 8177.166061][ T1076] __sys_sendmsg+0xcd/0x170 [ 8177.166061][ T1076] do_syscall_64+0xc6/0x1e0 [ 8177.166061][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.166061][ T1076] [ 8177.168305][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8177.168305][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8177.168305][ T1076] ipv6_find_idev+0x102/0x170 [ 8177.168305][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.168305][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.168305][ T1076] netlink_rcv_skb+0x130/0x360 [ 8177.168305][ T1076] netlink_unicast+0x449/0x710 [ 8177.168305][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8177.168305][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8177.168305][ T1076] ___sys_sendmsg+0xee/0x170 [ 8177.168305][ T1076] __sys_sendmsg+0xcd/0x170 [ 8177.168305][ T1076] do_syscall_64+0xc6/0x1e0 [ 8177.168305][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.168305][ T1076] [ 8177.170026][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8177.170026][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8177.170026][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8177.170026][ T1076] ipv6_find_idev+0x102/0x170 [ 8177.170026][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8177.170026][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8177.170026][ T1076] netlink_rcv_skb+0x130/0x360 [ 8177.170026][ T1076] netlink_unicast+0x449/0x710 [ 8177.170026][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8177.170026][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8177.170026][ T1076] ___sys_sendmsg+0xee/0x170 [ 8177.170026][ T1076] __sys_sendmsg+0xcd/0x170 [ 8177.170026][ T1076] do_syscall_64+0xc6/0x1e0 [ 8177.170026][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8177.170026][ T1076] [ 8187.333786][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8187.334277][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8187.334277][ T1076] netdev_get_by_index+0x5e/0x80 [ 8187.334277][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8187.334277][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8187.334277][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8187.334277][ T1076] ipv6_add_addr+0x411/0x2000 [ 8187.334277][ T1076] inet6_addr_add+0x30e/0xa40 [ 8187.334277][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.334277][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.334277][ T1076] netlink_rcv_skb+0x130/0x360 [ 8187.334277][ T1076] netlink_unicast+0x449/0x710 [ 8187.334277][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8187.334277][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8187.334277][ T1076] ___sys_sendmsg+0xee/0x170 [ 8187.334277][ T1076] __sys_sendmsg+0xcd/0x170 [ 8187.334277][ T1076] do_syscall_64+0xc6/0x1e0 [ 8187.334277][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.334277][ T1076] [ 8187.336555][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8187.336555][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8187.336555][ T1076] ipv6_find_idev+0x102/0x170 [ 8187.336555][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.336555][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.336555][ T1076] netlink_rcv_skb+0x130/0x360 [ 8187.336555][ T1076] netlink_unicast+0x449/0x710 [ 8187.336555][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8187.336555][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8187.336555][ T1076] ___sys_sendmsg+0xee/0x170 [ 8187.336555][ T1076] __sys_sendmsg+0xcd/0x170 [ 8187.336555][ T1076] do_syscall_64+0xc6/0x1e0 [ 8187.336555][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.336555][ T1076] [ 8187.338288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8187.338288][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8187.338288][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8187.338288][ T1076] ipv6_find_idev+0x102/0x170 [ 8187.338288][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.338288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.338288][ T1076] netlink_rcv_skb+0x130/0x360 [ 8187.338288][ T1076] netlink_unicast+0x449/0x710 [ 8187.338288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8187.338288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8187.338288][ T1076] ___sys_sendmsg+0xee/0x170 [ 8187.338288][ T1076] __sys_sendmsg+0xcd/0x170 [ 8187.338288][ T1076] do_syscall_64+0xc6/0x1e0 [ 8187.338288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.338288][ T1076] [ 8187.389731][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8187.390007][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8187.390007][ T73] dst_init+0x84/0x4a0 [ 8187.390007][ T73] dst_alloc+0x97/0x150 [ 8187.390007][ T73] ip6_dst_alloc+0x23/0x90 [ 8187.390007][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8187.390007][ T73] ip6_pol_route+0x56f/0x840 [ 8187.390007][ T73] fib6_rule_lookup+0x456/0x630 [ 8187.390007][ T73] ip6_route_input+0x59c/0xa50 [ 8187.390007][ T73] ipv6_rcv+0x397/0x810 [ 8187.390007][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8187.390007][ T73] process_backlog+0x101/0x620 [ 8187.390007][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8187.390007][ T73] net_rx_action+0x495/0xbe0 [ 8187.390007][ T73] __do_softirq+0x1b5/0x7f6 [ 8187.390007][ T73] [ 8187.391666][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8187.391666][ T73] netdev_get_by_index+0x5e/0x80 [ 8187.391666][ T73] fib6_nh_init+0x3d8/0x1580 [ 8187.391666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8187.391666][ T73] ip6_route_add+0x1c/0x140 [ 8187.391666][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8187.391666][ T73] inet6_addr_add+0x4f8/0xa40 [ 8187.391666][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.391666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.391666][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.391666][ T73] netlink_unicast+0x449/0x710 [ 8187.391666][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.391666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.391666][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.391666][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.391666][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.391666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.391666][ T73] [ 8187.393649][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8187.393649][ T73] netdev_get_by_index+0x5e/0x80 [ 8187.393649][ T73] fib6_nh_init+0x3d8/0x1580 [ 8187.393649][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8187.393649][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8187.393649][ T73] ipv6_add_addr+0x411/0x2000 [ 8187.393649][ T73] inet6_addr_add+0x30e/0xa40 [ 8187.393649][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.393649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.393649][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.393649][ T73] netlink_unicast+0x449/0x710 [ 8187.393649][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.393649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.393649][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.393649][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.393649][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.393649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.393649][ T73] [ 8187.395635][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8187.395635][ T73] netdev_get_by_index+0x5e/0x80 [ 8187.395635][ T73] fib6_nh_init+0x3d8/0x1580 [ 8187.395635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8187.395635][ T73] ip6_route_add+0x1c/0x140 [ 8187.395635][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8187.395635][ T73] addrconf_add_dev+0xe2/0x170 [ 8187.395635][ T73] inet6_addr_add+0x12f/0xa40 [ 8187.395635][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.395635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.395635][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.395635][ T73] netlink_unicast+0x449/0x710 [ 8187.395635][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.395635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.395635][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.395635][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.395635][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.395635][ T73] [ 8187.397583][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8187.397583][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8187.397583][ T73] ipv6_find_idev+0x102/0x170 [ 8187.397583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.397583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.397583][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.397583][ T73] netlink_unicast+0x449/0x710 [ 8187.397583][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.397583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.397583][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.397583][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.397583][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.397583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.397583][ T73] [ 8187.399111][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8187.399111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8187.399111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8187.399111][ T73] ipv6_find_idev+0x102/0x170 [ 8187.399111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.399111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.399111][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.399111][ T73] netlink_unicast+0x449/0x710 [ 8187.399111][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.399111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.399111][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.399111][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.399111][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.399111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.399111][ T73] [ 8187.400773][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8187.401010][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8187.401010][ T73] dst_init+0x84/0x4a0 [ 8187.401010][ T73] dst_alloc+0x97/0x150 [ 8187.401010][ T73] ip6_dst_alloc+0x23/0x90 [ 8187.401010][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8187.401010][ T73] ip6_pol_route+0x56f/0x840 [ 8187.401010][ T73] fib6_rule_lookup+0x456/0x630 [ 8187.401010][ T73] ip6_route_input+0x59c/0xa50 [ 8187.401010][ T73] ipv6_rcv+0x397/0x810 [ 8187.401010][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8187.401010][ T73] process_backlog+0x101/0x620 [ 8187.401010][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8187.401010][ T73] net_rx_action+0x495/0xbe0 [ 8187.401010][ T73] __do_softirq+0x1b5/0x7f6 [ 8187.401010][ T73] [ 8187.402635][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8187.402635][ T73] netdev_get_by_index+0x5e/0x80 [ 8187.402635][ T73] fib6_nh_init+0x3d8/0x1580 [ 8187.402635][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8187.402635][ T73] ip6_route_add+0x1c/0x140 [ 8187.402635][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8187.402635][ T73] inet6_addr_add+0x4f8/0xa40 [ 8187.402635][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.402635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.402635][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.402635][ T73] netlink_unicast+0x449/0x710 [ 8187.402635][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.402635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.402635][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.402635][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.402635][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.402635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.402635][ T73] [ 8187.404618][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8187.404618][ T73] netdev_get_by_index+0x5e/0x80 [ 8187.404618][ T73] fib6_nh_init+0x3d8/0x1580 [ 8187.404618][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8187.404618][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8187.404618][ T73] ipv6_add_addr+0x411/0x2000 [ 8187.404618][ T73] inet6_addr_add+0x30e/0xa40 [ 8187.404618][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.404618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.404618][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.404618][ T73] netlink_unicast+0x449/0x710 [ 8187.404618][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.404618][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.404618][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.404618][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.404618][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.404618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.404618][ T73] [ 8187.406621][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8187.406621][ T73] netdev_get_by_index+0x5e/0x80 [ 8187.406621][ T73] fib6_nh_init+0x3d8/0x1580 [ 8187.406621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8187.406621][ T73] ip6_route_add+0x1c/0x140 [ 8187.406621][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8187.406621][ T73] addrconf_add_dev+0xe2/0x170 [ 8187.406621][ T73] inet6_addr_add+0x12f/0xa40 [ 8187.406621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8187.406621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.406621][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.406621][ T73] netlink_unicast+0x449/0x710 [ 8187.406621][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.406621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.406621][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.406621][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.406621][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.406621][ T73] [ 8187.408574][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8187.408574][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8187.408574][ T73] ipv6_find_idev+0x102/0x170 [ 8187.408574][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.408574][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.408574][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.408574][ T73] netlink_unicast+0x449/0x710 [ 8187.408574][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.408574][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.408574][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.408574][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.408574][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.408574][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.408574][ T73] [ 8187.410106][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8187.410106][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8187.410106][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8187.410106][ T73] ipv6_find_idev+0x102/0x170 [ 8187.410106][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8187.410106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8187.410106][ T73] netlink_rcv_skb+0x130/0x360 [ 8187.410106][ T73] netlink_unicast+0x449/0x710 [ 8187.410106][ T73] netlink_sendmsg+0x723/0xbe0 [ 8187.410106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8187.410106][ T73] ___sys_sendmsg+0xee/0x170 [ 8187.410106][ T73] __sys_sendmsg+0xcd/0x170 [ 8187.410106][ T73] do_syscall_64+0xc6/0x1e0 [ 8187.410106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8187.410106][ T73] [ 8197.581716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8197.582216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8197.582216][ T1076] netdev_get_by_index+0x5e/0x80 [ 8197.582216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8197.582216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8197.582216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8197.582216][ T1076] ipv6_add_addr+0x411/0x2000 [ 8197.582216][ T1076] inet6_addr_add+0x30e/0xa40 [ 8197.582216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.582216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.582216][ T1076] netlink_rcv_skb+0x130/0x360 [ 8197.582216][ T1076] netlink_unicast+0x449/0x710 [ 8197.582216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8197.582216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8197.582216][ T1076] ___sys_sendmsg+0xee/0x170 [ 8197.582216][ T1076] __sys_sendmsg+0xcd/0x170 [ 8197.582216][ T1076] do_syscall_64+0xc6/0x1e0 [ 8197.582216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.582216][ T1076] [ 8197.584488][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8197.584488][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8197.584488][ T1076] ipv6_find_idev+0x102/0x170 [ 8197.584488][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8197.584488][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.584488][ T1076] netlink_rcv_skb+0x130/0x360 [ 8197.584488][ T1076] netlink_unicast+0x449/0x710 [ 8197.584488][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8197.584488][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8197.584488][ T1076] ___sys_sendmsg+0xee/0x170 [ 8197.584488][ T1076] __sys_sendmsg+0xcd/0x170 [ 8197.584488][ T1076] do_syscall_64+0xc6/0x1e0 [ 8197.584488][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.584488][ T1076] [ 8197.586230][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8197.586230][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8197.586230][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8197.586230][ T1076] ipv6_find_idev+0x102/0x170 [ 8197.586230][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8197.586230][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.586230][ T1076] netlink_rcv_skb+0x130/0x360 [ 8197.586230][ T1076] netlink_unicast+0x449/0x710 [ 8197.586230][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8197.586230][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8197.586230][ T1076] ___sys_sendmsg+0xee/0x170 [ 8197.586230][ T1076] __sys_sendmsg+0xcd/0x170 [ 8197.586230][ T1076] do_syscall_64+0xc6/0x1e0 [ 8197.586230][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.586230][ T1076] [ 8197.653716][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8197.654003][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8197.654003][ T73] dst_init+0x84/0x4a0 [ 8197.654003][ T73] dst_alloc+0x97/0x150 [ 8197.654003][ T73] ip6_dst_alloc+0x23/0x90 [ 8197.654003][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8197.654003][ T73] ip6_pol_route+0x56f/0x840 [ 8197.654003][ T73] fib6_rule_lookup+0x456/0x630 [ 8197.654003][ T73] ip6_route_input+0x59c/0xa50 [ 8197.654003][ T73] ipv6_rcv+0x397/0x810 [ 8197.654003][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8197.654003][ T73] process_backlog+0x101/0x620 [ 8197.654003][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8197.654003][ T73] net_rx_action+0x495/0xbe0 [ 8197.654003][ T73] __do_softirq+0x1b5/0x7f6 [ 8197.654003][ T73] [ 8197.655646][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8197.655646][ T73] netdev_get_by_index+0x5e/0x80 [ 8197.655646][ T73] fib6_nh_init+0x3d8/0x1580 [ 8197.655646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8197.655646][ T73] ip6_route_add+0x1c/0x140 [ 8197.655646][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8197.655646][ T73] inet6_addr_add+0x4f8/0xa40 [ 8197.655646][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.655646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.655646][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.655646][ T73] netlink_unicast+0x449/0x710 [ 8197.655646][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.655646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.655646][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.655646][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.655646][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.655646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.655646][ T73] [ 8197.657639][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8197.657639][ T73] netdev_get_by_index+0x5e/0x80 [ 8197.657639][ T73] fib6_nh_init+0x3d8/0x1580 [ 8197.657639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8197.657639][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8197.657639][ T73] ipv6_add_addr+0x411/0x2000 [ 8197.657639][ T73] inet6_addr_add+0x30e/0xa40 [ 8197.657639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.657639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.657639][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.657639][ T73] netlink_unicast+0x449/0x710 [ 8197.657639][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.657639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.657639][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.657639][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.657639][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.657639][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.657639][ T73] [ 8197.659632][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8197.659632][ T73] netdev_get_by_index+0x5e/0x80 [ 8197.659632][ T73] fib6_nh_init+0x3d8/0x1580 [ 8197.659632][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8197.659632][ T73] ip6_route_add+0x1c/0x140 [ 8197.659632][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8197.659632][ T73] addrconf_add_dev+0xe2/0x170 [ 8197.659632][ T73] inet6_addr_add+0x12f/0xa40 [ 8197.659632][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.659632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.659632][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.659632][ T73] netlink_unicast+0x449/0x710 [ 8197.659632][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.659632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.659632][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.659632][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.659632][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.659632][ T73] [ 8197.661583][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8197.661583][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8197.661583][ T73] ipv6_find_idev+0x102/0x170 [ 8197.661583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8197.661583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.661583][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.661583][ T73] netlink_unicast+0x449/0x710 [ 8197.661583][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.661583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.661583][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.661583][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.661583][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.661583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.661583][ T73] [ 8197.663111][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8197.663111][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8197.663111][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8197.663111][ T73] ipv6_find_idev+0x102/0x170 [ 8197.663111][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8197.663111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.663111][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.663111][ T73] netlink_unicast+0x449/0x710 [ 8197.663111][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.663111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.663111][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.663111][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.663111][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.663111][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.663111][ T73] [ 8197.664787][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8197.665030][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8197.665030][ T73] dst_init+0x84/0x4a0 [ 8197.665030][ T73] dst_alloc+0x97/0x150 [ 8197.665030][ T73] ip6_dst_alloc+0x23/0x90 [ 8197.665030][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8197.665030][ T73] ip6_pol_route+0x56f/0x840 [ 8197.665030][ T73] fib6_rule_lookup+0x456/0x630 [ 8197.665030][ T73] ip6_route_input+0x59c/0xa50 [ 8197.665030][ T73] ipv6_rcv+0x397/0x810 [ 8197.665030][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8197.665030][ T73] process_backlog+0x101/0x620 [ 8197.665030][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8197.665030][ T73] net_rx_action+0x495/0xbe0 [ 8197.665030][ T73] __do_softirq+0x1b5/0x7f6 [ 8197.665030][ T73] [ 8197.666669][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8197.666669][ T73] netdev_get_by_index+0x5e/0x80 [ 8197.666669][ T73] fib6_nh_init+0x3d8/0x1580 [ 8197.666669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8197.666669][ T73] ip6_route_add+0x1c/0x140 [ 8197.666669][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8197.666669][ T73] inet6_addr_add+0x4f8/0xa40 [ 8197.666669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.666669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.666669][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.666669][ T73] netlink_unicast+0x449/0x710 [ 8197.666669][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.666669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.666669][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.666669][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.666669][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.666669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.666669][ T73] [ 8197.668664][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8197.668664][ T73] netdev_get_by_index+0x5e/0x80 [ 8197.668664][ T73] fib6_nh_init+0x3d8/0x1580 [ 8197.668664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8197.668664][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8197.668664][ T73] ipv6_add_addr+0x411/0x2000 [ 8197.668664][ T73] inet6_addr_add+0x30e/0xa40 [ 8197.668664][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.668664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.668664][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.668664][ T73] netlink_unicast+0x449/0x710 [ 8197.668664][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.668664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.668664][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.668664][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.668664][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.668664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.668664][ T73] [ 8197.670660][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8197.670660][ T73] netdev_get_by_index+0x5e/0x80 [ 8197.670660][ T73] fib6_nh_init+0x3d8/0x1580 [ 8197.670660][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8197.670660][ T73] ip6_route_add+0x1c/0x140 [ 8197.670660][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8197.670660][ T73] addrconf_add_dev+0xe2/0x170 [ 8197.670660][ T73] inet6_addr_add+0x12f/0xa40 [ 8197.670660][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8197.670660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.670660][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.670660][ T73] netlink_unicast+0x449/0x710 [ 8197.670660][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.670660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.670660][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.670660][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.670660][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.670660][ T73] [ 8197.672617][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8197.672617][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8197.672617][ T73] ipv6_find_idev+0x102/0x170 [ 8197.672617][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8197.672617][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.672617][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.672617][ T73] netlink_unicast+0x449/0x710 [ 8197.672617][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.672617][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.672617][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.672617][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.672617][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.672617][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.672617][ T73] [ 8197.674148][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8197.674148][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8197.674148][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8197.674148][ T73] ipv6_find_idev+0x102/0x170 [ 8197.674148][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8197.674148][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8197.674148][ T73] netlink_rcv_skb+0x130/0x360 [ 8197.674148][ T73] netlink_unicast+0x449/0x710 [ 8197.674148][ T73] netlink_sendmsg+0x723/0xbe0 [ 8197.674148][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8197.674148][ T73] ___sys_sendmsg+0xee/0x170 [ 8197.674148][ T73] __sys_sendmsg+0xcd/0x170 [ 8197.674148][ T73] do_syscall_64+0xc6/0x1e0 [ 8197.674148][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8197.674148][ T73] [ 8207.829706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8207.830208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8207.830208][ T1076] netdev_get_by_index+0x5e/0x80 [ 8207.830208][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8207.830208][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8207.830208][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8207.830208][ T1076] ipv6_add_addr+0x411/0x2000 [ 8207.830208][ T1076] inet6_addr_add+0x30e/0xa40 [ 8207.830208][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.830208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.830208][ T1076] netlink_rcv_skb+0x130/0x360 [ 8207.830208][ T1076] netlink_unicast+0x449/0x710 [ 8207.830208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8207.830208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8207.830208][ T1076] ___sys_sendmsg+0xee/0x170 [ 8207.830208][ T1076] __sys_sendmsg+0xcd/0x170 [ 8207.830208][ T1076] do_syscall_64+0xc6/0x1e0 [ 8207.830208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.830208][ T1076] [ 8207.832470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8207.832470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8207.832470][ T1076] ipv6_find_idev+0x102/0x170 [ 8207.832470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.832470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.832470][ T1076] netlink_rcv_skb+0x130/0x360 [ 8207.832470][ T1076] netlink_unicast+0x449/0x710 [ 8207.832470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8207.832470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8207.832470][ T1076] ___sys_sendmsg+0xee/0x170 [ 8207.832470][ T1076] __sys_sendmsg+0xcd/0x170 [ 8207.832470][ T1076] do_syscall_64+0xc6/0x1e0 [ 8207.832470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.832470][ T1076] [ 8207.834233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8207.834233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8207.834233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8207.834233][ T1076] ipv6_find_idev+0x102/0x170 [ 8207.834233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.834233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.834233][ T1076] netlink_rcv_skb+0x130/0x360 [ 8207.834233][ T1076] netlink_unicast+0x449/0x710 [ 8207.834233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8207.834233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8207.834233][ T1076] ___sys_sendmsg+0xee/0x170 [ 8207.834233][ T1076] __sys_sendmsg+0xcd/0x170 [ 8207.834233][ T1076] do_syscall_64+0xc6/0x1e0 [ 8207.834233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.834233][ T1076] [ 8207.917715][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8207.918106][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8207.918106][ T73] dst_init+0x84/0x4a0 [ 8207.918106][ T73] dst_alloc+0x97/0x150 [ 8207.918106][ T73] ip6_dst_alloc+0x23/0x90 [ 8207.918106][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8207.918106][ T73] ip6_pol_route+0x56f/0x840 [ 8207.918106][ T73] fib6_rule_lookup+0x456/0x630 [ 8207.918106][ T73] ip6_route_input+0x59c/0xa50 [ 8207.918106][ T73] ipv6_rcv+0x397/0x810 [ 8207.918106][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8207.918106][ T73] process_backlog+0x101/0x620 [ 8207.918106][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8207.918106][ T73] net_rx_action+0x495/0xbe0 [ 8207.918106][ T73] __do_softirq+0x1b5/0x7f6 [ 8207.918106][ T73] [ 8207.919751][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8207.919751][ T73] netdev_get_by_index+0x5e/0x80 [ 8207.919751][ T73] fib6_nh_init+0x3d8/0x1580 [ 8207.919751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8207.919751][ T73] ip6_route_add+0x1c/0x140 [ 8207.919751][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8207.919751][ T73] inet6_addr_add+0x4f8/0xa40 [ 8207.919751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.919751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.919751][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.919751][ T73] netlink_unicast+0x449/0x710 [ 8207.919751][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.919751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.919751][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.919751][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.919751][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.919751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.919751][ T73] [ 8207.921751][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8207.921751][ T73] netdev_get_by_index+0x5e/0x80 [ 8207.921751][ T73] fib6_nh_init+0x3d8/0x1580 [ 8207.921751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8207.921751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8207.921751][ T73] ipv6_add_addr+0x411/0x2000 [ 8207.921751][ T73] inet6_addr_add+0x30e/0xa40 [ 8207.921751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.921751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.921751][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.921751][ T73] netlink_unicast+0x449/0x710 [ 8207.921751][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.921751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.921751][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.921751][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.921751][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.921751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.921751][ T73] [ 8207.923747][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8207.923747][ T73] netdev_get_by_index+0x5e/0x80 [ 8207.923747][ T73] fib6_nh_init+0x3d8/0x1580 [ 8207.923747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8207.923747][ T73] ip6_route_add+0x1c/0x140 [ 8207.923747][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8207.923747][ T73] addrconf_add_dev+0xe2/0x170 [ 8207.923747][ T73] inet6_addr_add+0x12f/0xa40 [ 8207.923747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.923747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.923747][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.923747][ T73] netlink_unicast+0x449/0x710 [ 8207.923747][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.923747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.923747][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.923747][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.923747][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.923747][ T73] [ 8207.925702][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8207.925702][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8207.925702][ T73] ipv6_find_idev+0x102/0x170 [ 8207.925702][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.925702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.925702][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.925702][ T73] netlink_unicast+0x449/0x710 [ 8207.925702][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.925702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.925702][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.925702][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.925702][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.925702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.925702][ T73] [ 8207.927224][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8207.927224][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8207.927224][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8207.927224][ T73] ipv6_find_idev+0x102/0x170 [ 8207.927224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.927224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.927224][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.927224][ T73] netlink_unicast+0x449/0x710 [ 8207.927224][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.927224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.927224][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.927224][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.927224][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.927224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.927224][ T73] [ 8207.928896][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8207.929133][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8207.929133][ T73] dst_init+0x84/0x4a0 [ 8207.929133][ T73] dst_alloc+0x97/0x150 [ 8207.929133][ T73] ip6_dst_alloc+0x23/0x90 [ 8207.929133][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8207.929133][ T73] ip6_pol_route+0x56f/0x840 [ 8207.929133][ T73] fib6_rule_lookup+0x456/0x630 [ 8207.929133][ T73] ip6_route_input+0x59c/0xa50 [ 8207.929133][ T73] ipv6_rcv+0x397/0x810 [ 8207.929133][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8207.929133][ T73] process_backlog+0x101/0x620 [ 8207.929133][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8207.929133][ T73] net_rx_action+0x495/0xbe0 [ 8207.929133][ T73] __do_softirq+0x1b5/0x7f6 [ 8207.929133][ T73] [ 8207.930754][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8207.930754][ T73] netdev_get_by_index+0x5e/0x80 [ 8207.930754][ T73] fib6_nh_init+0x3d8/0x1580 [ 8207.930754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8207.930754][ T73] ip6_route_add+0x1c/0x140 [ 8207.930754][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8207.930754][ T73] inet6_addr_add+0x4f8/0xa40 [ 8207.930754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.930754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.930754][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.930754][ T73] netlink_unicast+0x449/0x710 [ 8207.930754][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.930754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.930754][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.930754][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.930754][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.930754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.930754][ T73] [ 8207.932733][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8207.932733][ T73] netdev_get_by_index+0x5e/0x80 [ 8207.932733][ T73] fib6_nh_init+0x3d8/0x1580 [ 8207.932733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8207.932733][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8207.932733][ T73] ipv6_add_addr+0x411/0x2000 [ 8207.932733][ T73] inet6_addr_add+0x30e/0xa40 [ 8207.932733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.932733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.932733][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.932733][ T73] netlink_unicast+0x449/0x710 [ 8207.932733][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.932733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.932733][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.932733][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.932733][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.932733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.932733][ T73] [ 8207.934716][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8207.934716][ T73] netdev_get_by_index+0x5e/0x80 [ 8207.934716][ T73] fib6_nh_init+0x3d8/0x1580 [ 8207.934716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8207.934716][ T73] ip6_route_add+0x1c/0x140 [ 8207.934716][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8207.934716][ T73] addrconf_add_dev+0xe2/0x170 [ 8207.934716][ T73] inet6_addr_add+0x12f/0xa40 [ 8207.934716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8207.934716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.934716][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.934716][ T73] netlink_unicast+0x449/0x710 [ 8207.934716][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.934716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.934716][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.934716][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.934716][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.934716][ T73] [ 8207.936694][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8207.936694][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8207.936694][ T73] ipv6_find_idev+0x102/0x170 [ 8207.936694][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.936694][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.936694][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.936694][ T73] netlink_unicast+0x449/0x710 [ 8207.936694][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.936694][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.936694][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.936694][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.936694][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.936694][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.936694][ T73] [ 8207.938225][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8207.938225][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8207.938225][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8207.938225][ T73] ipv6_find_idev+0x102/0x170 [ 8207.938225][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8207.938225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8207.938225][ T73] netlink_rcv_skb+0x130/0x360 [ 8207.938225][ T73] netlink_unicast+0x449/0x710 [ 8207.938225][ T73] netlink_sendmsg+0x723/0xbe0 [ 8207.938225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8207.938225][ T73] ___sys_sendmsg+0xee/0x170 [ 8207.938225][ T73] __sys_sendmsg+0xcd/0x170 [ 8207.938225][ T73] do_syscall_64+0xc6/0x1e0 [ 8207.938225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8207.938225][ T73] [ 8218.077706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8218.078196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8218.078196][ T1076] netdev_get_by_index+0x5e/0x80 [ 8218.078196][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8218.078196][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8218.078196][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8218.078196][ T1076] ipv6_add_addr+0x411/0x2000 [ 8218.078196][ T1076] inet6_addr_add+0x30e/0xa40 [ 8218.078196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.078196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.078196][ T1076] netlink_rcv_skb+0x130/0x360 [ 8218.078196][ T1076] netlink_unicast+0x449/0x710 [ 8218.078196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8218.078196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8218.078196][ T1076] ___sys_sendmsg+0xee/0x170 [ 8218.078196][ T1076] __sys_sendmsg+0xcd/0x170 [ 8218.078196][ T1076] do_syscall_64+0xc6/0x1e0 [ 8218.078196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.078196][ T1076] [ 8218.080495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8218.080495][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8218.080495][ T1076] ipv6_find_idev+0x102/0x170 [ 8218.080495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.080495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.080495][ T1076] netlink_rcv_skb+0x130/0x360 [ 8218.080495][ T1076] netlink_unicast+0x449/0x710 [ 8218.080495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8218.080495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8218.080495][ T1076] ___sys_sendmsg+0xee/0x170 [ 8218.080495][ T1076] __sys_sendmsg+0xcd/0x170 [ 8218.080495][ T1076] do_syscall_64+0xc6/0x1e0 [ 8218.080495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.080495][ T1076] [ 8218.082221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8218.082221][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8218.082221][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8218.082221][ T1076] ipv6_find_idev+0x102/0x170 [ 8218.082221][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.082221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.082221][ T1076] netlink_rcv_skb+0x130/0x360 [ 8218.082221][ T1076] netlink_unicast+0x449/0x710 [ 8218.082221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8218.082221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8218.082221][ T1076] ___sys_sendmsg+0xee/0x170 [ 8218.082221][ T1076] __sys_sendmsg+0xcd/0x170 [ 8218.082221][ T1076] do_syscall_64+0xc6/0x1e0 [ 8218.082221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.082221][ T1076] [ 8218.181803][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8218.182211][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8218.182211][ T73] dst_init+0x84/0x4a0 [ 8218.182211][ T73] dst_alloc+0x97/0x150 [ 8218.182211][ T73] ip6_dst_alloc+0x23/0x90 [ 8218.182211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8218.182211][ T73] ip6_pol_route+0x56f/0x840 [ 8218.182211][ T73] fib6_rule_lookup+0x456/0x630 [ 8218.182211][ T73] ip6_route_input+0x59c/0xa50 [ 8218.182211][ T73] ipv6_rcv+0x397/0x810 [ 8218.182211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8218.182211][ T73] process_backlog+0x101/0x620 [ 8218.182211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8218.182211][ T73] net_rx_action+0x495/0xbe0 [ 8218.182211][ T73] __do_softirq+0x1b5/0x7f6 [ 8218.182211][ T73] [ 8218.183893][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8218.183893][ T73] netdev_get_by_index+0x5e/0x80 [ 8218.183893][ T73] fib6_nh_init+0x3d8/0x1580 [ 8218.183893][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8218.183893][ T73] ip6_route_add+0x1c/0x140 [ 8218.183893][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8218.183893][ T73] inet6_addr_add+0x4f8/0xa40 [ 8218.183893][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.183893][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.183893][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.183893][ T73] netlink_unicast+0x449/0x710 [ 8218.183893][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.183893][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.183893][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.183893][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.183893][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.183893][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.183893][ T73] [ 8218.185910][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8218.185910][ T73] netdev_get_by_index+0x5e/0x80 [ 8218.185910][ T73] fib6_nh_init+0x3d8/0x1580 [ 8218.185910][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8218.185910][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8218.185910][ T73] ipv6_add_addr+0x411/0x2000 [ 8218.185910][ T73] inet6_addr_add+0x30e/0xa40 [ 8218.185910][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.185910][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.185910][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.185910][ T73] netlink_unicast+0x449/0x710 [ 8218.185910][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.185910][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.185910][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.185910][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.185910][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.185910][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.185910][ T73] [ 8218.187922][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8218.187922][ T73] netdev_get_by_index+0x5e/0x80 [ 8218.187922][ T73] fib6_nh_init+0x3d8/0x1580 [ 8218.187922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8218.187922][ T73] ip6_route_add+0x1c/0x140 [ 8218.187922][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8218.187922][ T73] addrconf_add_dev+0xe2/0x170 [ 8218.187922][ T73] inet6_addr_add+0x12f/0xa40 [ 8218.187922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.187922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.187922][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.187922][ T73] netlink_unicast+0x449/0x710 [ 8218.187922][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.187922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.187922][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.187922][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.187922][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.187922][ T73] [ 8218.189881][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8218.189881][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8218.189881][ T73] ipv6_find_idev+0x102/0x170 [ 8218.189881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.189881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.189881][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.189881][ T73] netlink_unicast+0x449/0x710 [ 8218.189881][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.189881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.189881][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.189881][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.189881][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.189881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.189881][ T73] [ 8218.191423][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8218.191423][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8218.191423][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8218.191423][ T73] ipv6_find_idev+0x102/0x170 [ 8218.191423][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.191423][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.191423][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.191423][ T73] netlink_unicast+0x449/0x710 [ 8218.191423][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.191423][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.191423][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.191423][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.191423][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.191423][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.191423][ T73] [ 8218.193135][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8218.193378][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8218.193378][ T73] dst_init+0x84/0x4a0 [ 8218.193378][ T73] dst_alloc+0x97/0x150 [ 8218.193378][ T73] ip6_dst_alloc+0x23/0x90 [ 8218.193378][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8218.193378][ T73] ip6_pol_route+0x56f/0x840 [ 8218.193378][ T73] fib6_rule_lookup+0x456/0x630 [ 8218.193378][ T73] ip6_route_input+0x59c/0xa50 [ 8218.193378][ T73] ipv6_rcv+0x397/0x810 [ 8218.193378][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8218.193378][ T73] process_backlog+0x101/0x620 [ 8218.193378][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8218.193378][ T73] net_rx_action+0x495/0xbe0 [ 8218.193378][ T73] __do_softirq+0x1b5/0x7f6 [ 8218.193378][ T73] [ 8218.195023][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8218.195023][ T73] netdev_get_by_index+0x5e/0x80 [ 8218.195023][ T73] fib6_nh_init+0x3d8/0x1580 [ 8218.195023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8218.195023][ T73] ip6_route_add+0x1c/0x140 [ 8218.195023][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8218.195023][ T73] inet6_addr_add+0x4f8/0xa40 [ 8218.195023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.195023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.195023][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.195023][ T73] netlink_unicast+0x449/0x710 [ 8218.195023][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.195023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.195023][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.195023][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.195023][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.195023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.195023][ T73] [ 8218.197033][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8218.197033][ T73] netdev_get_by_index+0x5e/0x80 [ 8218.197033][ T73] fib6_nh_init+0x3d8/0x1580 [ 8218.197033][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8218.197033][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8218.197033][ T73] ipv6_add_addr+0x411/0x2000 [ 8218.197033][ T73] inet6_addr_add+0x30e/0xa40 [ 8218.197033][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.197033][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.197033][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.197033][ T73] netlink_unicast+0x449/0x710 [ 8218.197033][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.197033][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.197033][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.197033][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.197033][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.197033][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.197033][ T73] [ 8218.199038][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8218.199038][ T73] netdev_get_by_index+0x5e/0x80 [ 8218.199038][ T73] fib6_nh_init+0x3d8/0x1580 [ 8218.199038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8218.199038][ T73] ip6_route_add+0x1c/0x140 [ 8218.199038][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8218.199038][ T73] addrconf_add_dev+0xe2/0x170 [ 8218.199038][ T73] inet6_addr_add+0x12f/0xa40 [ 8218.199038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8218.199038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.199038][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.199038][ T73] netlink_unicast+0x449/0x710 [ 8218.199038][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.199038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.199038][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.199038][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.199038][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.199038][ T73] [ 8218.201018][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8218.201018][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8218.201018][ T73] ipv6_find_idev+0x102/0x170 [ 8218.201018][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.201018][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.201018][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.201018][ T73] netlink_unicast+0x449/0x710 [ 8218.201018][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.201018][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.201018][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.201018][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.201018][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.201018][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.201018][ T73] [ 8218.202562][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8218.202562][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8218.202562][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8218.202562][ T73] ipv6_find_idev+0x102/0x170 [ 8218.202562][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8218.202562][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8218.202562][ T73] netlink_rcv_skb+0x130/0x360 [ 8218.202562][ T73] netlink_unicast+0x449/0x710 [ 8218.202562][ T73] netlink_sendmsg+0x723/0xbe0 [ 8218.202562][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8218.202562][ T73] ___sys_sendmsg+0xee/0x170 [ 8218.202562][ T73] __sys_sendmsg+0xcd/0x170 [ 8218.202562][ T73] do_syscall_64+0xc6/0x1e0 [ 8218.202562][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8218.202562][ T73] [ 8228.325661][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8228.326169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8228.326169][ T1076] netdev_get_by_index+0x5e/0x80 [ 8228.326169][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8228.326169][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8228.326169][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8228.326169][ T1076] ipv6_add_addr+0x411/0x2000 [ 8228.326169][ T1076] inet6_addr_add+0x30e/0xa40 [ 8228.326169][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.326169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.326169][ T1076] netlink_rcv_skb+0x130/0x360 [ 8228.326169][ T1076] netlink_unicast+0x449/0x710 [ 8228.326169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8228.326169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8228.326169][ T1076] ___sys_sendmsg+0xee/0x170 [ 8228.326169][ T1076] __sys_sendmsg+0xcd/0x170 [ 8228.326169][ T1076] do_syscall_64+0xc6/0x1e0 [ 8228.326169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.326169][ T1076] [ 8228.328440][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8228.328440][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8228.328440][ T1076] ipv6_find_idev+0x102/0x170 [ 8228.328440][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.328440][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.328440][ T1076] netlink_rcv_skb+0x130/0x360 [ 8228.328440][ T1076] netlink_unicast+0x449/0x710 [ 8228.328440][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8228.328440][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8228.328440][ T1076] ___sys_sendmsg+0xee/0x170 [ 8228.328440][ T1076] __sys_sendmsg+0xcd/0x170 [ 8228.328440][ T1076] do_syscall_64+0xc6/0x1e0 [ 8228.328440][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.328440][ T1076] [ 8228.330174][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8228.330174][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8228.330174][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8228.330174][ T1076] ipv6_find_idev+0x102/0x170 [ 8228.330174][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.330174][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.330174][ T1076] netlink_rcv_skb+0x130/0x360 [ 8228.330174][ T1076] netlink_unicast+0x449/0x710 [ 8228.330174][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8228.330174][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8228.330174][ T1076] ___sys_sendmsg+0xee/0x170 [ 8228.330174][ T1076] __sys_sendmsg+0xcd/0x170 [ 8228.330174][ T1076] do_syscall_64+0xc6/0x1e0 [ 8228.330174][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.330174][ T1076] [ 8228.445723][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8228.446104][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8228.446104][ T73] dst_init+0x84/0x4a0 [ 8228.446104][ T73] dst_alloc+0x97/0x150 [ 8228.446104][ T73] ip6_dst_alloc+0x23/0x90 [ 8228.446104][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8228.446104][ T73] ip6_pol_route+0x56f/0x840 [ 8228.446104][ T73] fib6_rule_lookup+0x456/0x630 [ 8228.446104][ T73] ip6_route_input+0x59c/0xa50 [ 8228.446104][ T73] ipv6_rcv+0x397/0x810 [ 8228.446104][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8228.446104][ T73] process_backlog+0x101/0x620 [ 8228.446104][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8228.446104][ T73] net_rx_action+0x495/0xbe0 [ 8228.446104][ T73] __do_softirq+0x1b5/0x7f6 [ 8228.446104][ T73] [ 8228.447776][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8228.447776][ T73] netdev_get_by_index+0x5e/0x80 [ 8228.447776][ T73] fib6_nh_init+0x3d8/0x1580 [ 8228.447776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8228.447776][ T73] ip6_route_add+0x1c/0x140 [ 8228.447776][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8228.447776][ T73] inet6_addr_add+0x4f8/0xa40 [ 8228.447776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.447776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.447776][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.447776][ T73] netlink_unicast+0x449/0x710 [ 8228.447776][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.447776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.447776][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.447776][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.447776][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.447776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.447776][ T73] [ 8228.449785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8228.449785][ T73] netdev_get_by_index+0x5e/0x80 [ 8228.449785][ T73] fib6_nh_init+0x3d8/0x1580 [ 8228.449785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8228.449785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8228.449785][ T73] ipv6_add_addr+0x411/0x2000 [ 8228.449785][ T73] inet6_addr_add+0x30e/0xa40 [ 8228.449785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.449785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.449785][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.449785][ T73] netlink_unicast+0x449/0x710 [ 8228.449785][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.449785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.449785][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.449785][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.449785][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.449785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.449785][ T73] [ 8228.451813][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8228.451813][ T73] netdev_get_by_index+0x5e/0x80 [ 8228.451813][ T73] fib6_nh_init+0x3d8/0x1580 [ 8228.451813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8228.451813][ T73] ip6_route_add+0x1c/0x140 [ 8228.451813][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8228.451813][ T73] addrconf_add_dev+0xe2/0x170 [ 8228.451813][ T73] inet6_addr_add+0x12f/0xa40 [ 8228.451813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.451813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.451813][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.451813][ T73] netlink_unicast+0x449/0x710 [ 8228.451813][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.451813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.451813][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.451813][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.451813][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.451813][ T73] [ 8228.453785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8228.453785][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8228.453785][ T73] ipv6_find_idev+0x102/0x170 [ 8228.453785][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.453785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.453785][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.453785][ T73] netlink_unicast+0x449/0x710 [ 8228.453785][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.453785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.453785][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.453785][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.453785][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.453785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.453785][ T73] [ 8228.455346][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8228.455346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8228.455346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8228.455346][ T73] ipv6_find_idev+0x102/0x170 [ 8228.455346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.455346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.455346][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.455346][ T73] netlink_unicast+0x449/0x710 [ 8228.455346][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.455346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.455346][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.455346][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.455346][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.455346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.455346][ T73] [ 8228.457052][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8228.457297][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8228.457297][ T73] dst_init+0x84/0x4a0 [ 8228.457297][ T73] dst_alloc+0x97/0x150 [ 8228.457297][ T73] ip6_dst_alloc+0x23/0x90 [ 8228.457297][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8228.457297][ T73] ip6_pol_route+0x56f/0x840 [ 8228.457297][ T73] fib6_rule_lookup+0x456/0x630 [ 8228.457297][ T73] ip6_route_input+0x59c/0xa50 [ 8228.457297][ T73] ipv6_rcv+0x397/0x810 [ 8228.457297][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8228.457297][ T73] process_backlog+0x101/0x620 [ 8228.457297][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8228.457297][ T73] net_rx_action+0x495/0xbe0 [ 8228.457297][ T73] __do_softirq+0x1b5/0x7f6 [ 8228.457297][ T73] [ 8228.458941][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8228.458941][ T73] netdev_get_by_index+0x5e/0x80 [ 8228.458941][ T73] fib6_nh_init+0x3d8/0x1580 [ 8228.458941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8228.458941][ T73] ip6_route_add+0x1c/0x140 [ 8228.458941][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8228.458941][ T73] inet6_addr_add+0x4f8/0xa40 [ 8228.458941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.458941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.458941][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.458941][ T73] netlink_unicast+0x449/0x710 [ 8228.458941][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.458941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.458941][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.458941][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.458941][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.458941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.458941][ T73] [ 8228.460949][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8228.460949][ T73] netdev_get_by_index+0x5e/0x80 [ 8228.460949][ T73] fib6_nh_init+0x3d8/0x1580 [ 8228.460949][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8228.460949][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8228.460949][ T73] ipv6_add_addr+0x411/0x2000 [ 8228.460949][ T73] inet6_addr_add+0x30e/0xa40 [ 8228.460949][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.460949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.460949][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.460949][ T73] netlink_unicast+0x449/0x710 [ 8228.460949][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.460949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.460949][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.460949][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.460949][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.460949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.460949][ T73] [ 8228.462958][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8228.462958][ T73] netdev_get_by_index+0x5e/0x80 [ 8228.462958][ T73] fib6_nh_init+0x3d8/0x1580 [ 8228.462958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8228.462958][ T73] ip6_route_add+0x1c/0x140 [ 8228.462958][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8228.462958][ T73] addrconf_add_dev+0xe2/0x170 [ 8228.462958][ T73] inet6_addr_add+0x12f/0xa40 [ 8228.462958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8228.462958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.462958][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.462958][ T73] netlink_unicast+0x449/0x710 [ 8228.462958][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.462958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.462958][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.462958][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.462958][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.462958][ T73] [ 8228.464934][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8228.464934][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8228.464934][ T73] ipv6_find_idev+0x102/0x170 [ 8228.464934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.464934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.464934][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.464934][ T73] netlink_unicast+0x449/0x710 [ 8228.464934][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.464934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.464934][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.464934][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.464934][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.464934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.464934][ T73] [ 8228.466487][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8228.466487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8228.466487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8228.466487][ T73] ipv6_find_idev+0x102/0x170 [ 8228.466487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8228.466487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8228.466487][ T73] netlink_rcv_skb+0x130/0x360 [ 8228.466487][ T73] netlink_unicast+0x449/0x710 [ 8228.466487][ T73] netlink_sendmsg+0x723/0xbe0 [ 8228.466487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8228.466487][ T73] ___sys_sendmsg+0xee/0x170 [ 8228.466487][ T73] __sys_sendmsg+0xcd/0x170 [ 8228.466487][ T73] do_syscall_64+0xc6/0x1e0 [ 8228.466487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8228.466487][ T73] [ 8234.277713][ T42] INFO: task modprobe:1264 blocked for more than 983 seconds. [ 8234.278052][ T42] Not tainted 6.8.0-virtme #1 [ 8234.278170][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8234.278367][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 8234.278656][ T42] Call Trace: [ 8234.278759][ T42] [ 8234.278830][ T42] __schedule+0x705/0x1ac0 [ 8234.278964][ T42] ? __pfx___schedule+0x10/0x10 [ 8234.279093][ T42] ? schedule+0x1a5/0x210 [ 8234.279189][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8234.279323][ T42] ? mark_lock+0x38/0x3e0 [ 8234.279417][ T42] ? do_raw_spin_lock+0x131/0x270 [ 8234.279543][ T42] ? schedule+0x1a5/0x210 [ 8234.279659][ T42] schedule+0xdf/0x210 [ 8234.279757][ T42] schedule_preempt_disabled+0x15/0x30 [ 8234.279879][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 8234.280008][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 8234.280166][ T42] ? kasan_save_stack+0x34/0x50 [ 8234.280291][ T42] ? kasan_save_stack+0x24/0x50 [ 8234.280414][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8234.280542][ T42] ? lock_acquire+0x1c1/0x220 [ 8234.280678][ T42] ? register_pernet_subsys+0x1a/0x50 [ 8234.280811][ T42] down_write+0x1c9/0x200 [ 8234.280906][ T42] ? __pfx_down_write+0x10/0x10 [ 8234.281033][ T42] ? __pfx___lock_release+0x10/0x10 [ 8234.281161][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 8234.281321][ T42] register_pernet_subsys+0x1a/0x50 [ 8234.281443][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 8234.281609][ T42] do_one_initcall+0xc8/0x3f0 [ 8234.281744][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 8234.281872][ T42] ? __create_object+0x5e/0xb0 [ 8234.281997][ T42] ? kasan_unpoison+0x27/0x60 [ 8234.282125][ T42] do_init_module+0x233/0x740 [ 8234.282257][ T42] load_module+0x16b5/0x2350 [ 8234.282390][ T42] ? __pfx_load_module+0x10/0x10 [ 8234.282514][ T42] ? kernel_read_file+0x3d2/0x520 [ 8234.282656][ T42] ? kernel_read_file+0x300/0x520 [ 8234.282782][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 8234.282916][ T42] ? init_module_from_file+0xd2/0x130 [ 8234.283040][ T42] init_module_from_file+0xd2/0x130 [ 8234.283162][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 8234.283312][ T42] ? __lock_release+0x103/0x460 [ 8234.283440][ T42] ? idempotent_init_module+0x32a/0x620 [ 8234.283573][ T42] ? idempotent_init_module+0x32a/0x620 [ 8234.283705][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 8234.283835][ T42] idempotent_init_module+0x342/0x620 [ 8234.283960][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 8234.284131][ T42] __x64_sys_finit_module+0xbe/0x130 [ 8234.284261][ T42] do_syscall_64+0xc6/0x1e0 [ 8234.284387][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8234.284537][ T42] RIP: 0033:0x7f6e8f82ce5d [ 8234.284672][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8234.284859][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 8234.285053][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 8234.285237][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 8234.285416][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 8234.285610][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 8234.285816][ T42] [ 8234.285911][ T42] [ 8234.285911][ T42] Showing all locks held in the system: [ 8234.286085][ T42] 1 lock held by khungtaskd/42: [ 8234.286205][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 8234.286426][ T42] 3 locks held by kworker/u16:1/73: [ 8234.286549][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8234.286809][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8234.287024][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 8234.287239][ T42] 2 locks held by kworker/u20:1/76: [ 8234.287361][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8234.287617][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8234.287891][ T42] 1 lock held by modprobe/1264: [ 8234.288008][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 8234.288259][ T42] [ 8234.288322][ T42] ============================================= [ 8234.288322][ T42] [ 8238.541703][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8238.542122][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8238.542122][ T73] dst_init+0x84/0x4a0 [ 8238.542122][ T73] dst_alloc+0x97/0x150 [ 8238.542122][ T73] ip6_dst_alloc+0x23/0x90 [ 8238.542122][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8238.542122][ T73] ip6_pol_route+0x56f/0x840 [ 8238.542122][ T73] fib6_rule_lookup+0x456/0x630 [ 8238.542122][ T73] ip6_route_input+0x59c/0xa50 [ 8238.542122][ T73] ipv6_rcv+0x397/0x810 [ 8238.542122][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8238.542122][ T73] process_backlog+0x101/0x620 [ 8238.542122][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8238.542122][ T73] net_rx_action+0x495/0xbe0 [ 8238.542122][ T73] __do_softirq+0x1b5/0x7f6 [ 8238.542122][ T73] [ 8238.543793][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8238.543793][ T73] netdev_get_by_index+0x5e/0x80 [ 8238.543793][ T73] fib6_nh_init+0x3d8/0x1580 [ 8238.543793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8238.543793][ T73] ip6_route_add+0x1c/0x140 [ 8238.543793][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8238.543793][ T73] inet6_addr_add+0x4f8/0xa40 [ 8238.543793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.543793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.543793][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.543793][ T73] netlink_unicast+0x449/0x710 [ 8238.543793][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.543793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.543793][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.543793][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.543793][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.543793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.543793][ T73] [ 8238.545792][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8238.545792][ T73] netdev_get_by_index+0x5e/0x80 [ 8238.545792][ T73] fib6_nh_init+0x3d8/0x1580 [ 8238.545792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8238.545792][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8238.545792][ T73] ipv6_add_addr+0x411/0x2000 [ 8238.545792][ T73] inet6_addr_add+0x30e/0xa40 [ 8238.545792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.545792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.545792][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.545792][ T73] netlink_unicast+0x449/0x710 [ 8238.545792][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.545792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.545792][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.545792][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.545792][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.545792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.545792][ T73] [ 8238.547780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8238.547780][ T73] netdev_get_by_index+0x5e/0x80 [ 8238.547780][ T73] fib6_nh_init+0x3d8/0x1580 [ 8238.547780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8238.547780][ T73] ip6_route_add+0x1c/0x140 [ 8238.547780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8238.547780][ T73] addrconf_add_dev+0xe2/0x170 [ 8238.547780][ T73] inet6_addr_add+0x12f/0xa40 [ 8238.547780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.547780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.547780][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.547780][ T73] netlink_unicast+0x449/0x710 [ 8238.547780][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.547780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.547780][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.547780][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.547780][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.547780][ T73] [ 8238.549727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8238.549727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8238.549727][ T73] ipv6_find_idev+0x102/0x170 [ 8238.549727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.549727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.549727][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.549727][ T73] netlink_unicast+0x449/0x710 [ 8238.549727][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.549727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.549727][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.549727][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.549727][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.549727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.549727][ T73] [ 8238.551263][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8238.551263][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8238.551263][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8238.551263][ T73] ipv6_find_idev+0x102/0x170 [ 8238.551263][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.551263][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.551263][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.551263][ T73] netlink_unicast+0x449/0x710 [ 8238.551263][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.551263][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.551263][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.551263][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.551263][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.551263][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.551263][ T73] [ 8238.552943][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8238.553182][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8238.553182][ T73] dst_init+0x84/0x4a0 [ 8238.553182][ T73] dst_alloc+0x97/0x150 [ 8238.553182][ T73] ip6_dst_alloc+0x23/0x90 [ 8238.553182][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8238.553182][ T73] ip6_pol_route+0x56f/0x840 [ 8238.553182][ T73] fib6_rule_lookup+0x456/0x630 [ 8238.553182][ T73] ip6_route_input+0x59c/0xa50 [ 8238.553182][ T73] ipv6_rcv+0x397/0x810 [ 8238.553182][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8238.553182][ T73] process_backlog+0x101/0x620 [ 8238.553182][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8238.553182][ T73] net_rx_action+0x495/0xbe0 [ 8238.553182][ T73] __do_softirq+0x1b5/0x7f6 [ 8238.553182][ T73] [ 8238.554834][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8238.554834][ T73] netdev_get_by_index+0x5e/0x80 [ 8238.554834][ T73] fib6_nh_init+0x3d8/0x1580 [ 8238.554834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8238.554834][ T73] ip6_route_add+0x1c/0x140 [ 8238.554834][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8238.554834][ T73] inet6_addr_add+0x4f8/0xa40 [ 8238.554834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.554834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.554834][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.554834][ T73] netlink_unicast+0x449/0x710 [ 8238.554834][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.554834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.554834][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.554834][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.554834][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.554834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.554834][ T73] [ 8238.556845][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8238.556845][ T73] netdev_get_by_index+0x5e/0x80 [ 8238.556845][ T73] fib6_nh_init+0x3d8/0x1580 [ 8238.556845][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8238.556845][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8238.556845][ T73] ipv6_add_addr+0x411/0x2000 [ 8238.556845][ T73] inet6_addr_add+0x30e/0xa40 [ 8238.556845][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.556845][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.556845][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.556845][ T73] netlink_unicast+0x449/0x710 [ 8238.556845][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.556845][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.556845][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.556845][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.556845][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.556845][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.556845][ T73] [ 8238.558840][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8238.558840][ T73] netdev_get_by_index+0x5e/0x80 [ 8238.558840][ T73] fib6_nh_init+0x3d8/0x1580 [ 8238.558840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8238.558840][ T73] ip6_route_add+0x1c/0x140 [ 8238.558840][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8238.558840][ T73] addrconf_add_dev+0xe2/0x170 [ 8238.558840][ T73] inet6_addr_add+0x12f/0xa40 [ 8238.558840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.558840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.558840][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.558840][ T73] netlink_unicast+0x449/0x710 [ 8238.558840][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.558840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.558840][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.558840][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.558840][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.558840][ T73] [ 8238.560805][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8238.560805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8238.560805][ T73] ipv6_find_idev+0x102/0x170 [ 8238.560805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.560805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.560805][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.560805][ T73] netlink_unicast+0x449/0x710 [ 8238.560805][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.560805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.560805][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.560805][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.560805][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.560805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.560805][ T73] [ 8238.562352][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8238.562352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8238.562352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8238.562352][ T73] ipv6_find_idev+0x102/0x170 [ 8238.562352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.562352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.562352][ T73] netlink_rcv_skb+0x130/0x360 [ 8238.562352][ T73] netlink_unicast+0x449/0x710 [ 8238.562352][ T73] netlink_sendmsg+0x723/0xbe0 [ 8238.562352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8238.562352][ T73] ___sys_sendmsg+0xee/0x170 [ 8238.562352][ T73] __sys_sendmsg+0xcd/0x170 [ 8238.562352][ T73] do_syscall_64+0xc6/0x1e0 [ 8238.562352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.562352][ T73] [ 8238.573682][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8238.574009][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8238.574009][ T1076] netdev_get_by_index+0x5e/0x80 [ 8238.574009][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8238.574009][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8238.574009][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8238.574009][ T1076] ipv6_add_addr+0x411/0x2000 [ 8238.574009][ T1076] inet6_addr_add+0x30e/0xa40 [ 8238.574009][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8238.574009][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.574009][ T1076] netlink_rcv_skb+0x130/0x360 [ 8238.574009][ T1076] netlink_unicast+0x449/0x710 [ 8238.574009][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8238.574009][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8238.574009][ T1076] ___sys_sendmsg+0xee/0x170 [ 8238.574009][ T1076] __sys_sendmsg+0xcd/0x170 [ 8238.574009][ T1076] do_syscall_64+0xc6/0x1e0 [ 8238.574009][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.574009][ T1076] [ 8238.576253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8238.576253][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8238.576253][ T1076] ipv6_find_idev+0x102/0x170 [ 8238.576253][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.576253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.576253][ T1076] netlink_rcv_skb+0x130/0x360 [ 8238.576253][ T1076] netlink_unicast+0x449/0x710 [ 8238.576253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8238.576253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8238.576253][ T1076] ___sys_sendmsg+0xee/0x170 [ 8238.576253][ T1076] __sys_sendmsg+0xcd/0x170 [ 8238.576253][ T1076] do_syscall_64+0xc6/0x1e0 [ 8238.576253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.576253][ T1076] [ 8238.577989][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8238.577989][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8238.577989][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8238.577989][ T1076] ipv6_find_idev+0x102/0x170 [ 8238.577989][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8238.577989][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8238.577989][ T1076] netlink_rcv_skb+0x130/0x360 [ 8238.577989][ T1076] netlink_unicast+0x449/0x710 [ 8238.577989][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8238.577989][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8238.577989][ T1076] ___sys_sendmsg+0xee/0x170 [ 8238.577989][ T1076] __sys_sendmsg+0xcd/0x170 [ 8238.577989][ T1076] do_syscall_64+0xc6/0x1e0 [ 8238.577989][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8238.577989][ T1076] [ 8248.629721][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8248.629721][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8248.630307][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8248.630307][ T1076] netdev_get_by_index+0x5e/0x80 [ 8248.630307][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8248.630307][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8248.630307][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8248.630307][ T1076] ipv6_add_addr+0x411/0x2000 [ 8248.630307][ T1076] inet6_addr_add+0x30e/0xa40 [ 8248.630307][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.630307][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.630307][ T1076] netlink_rcv_skb+0x130/0x360 [ 8248.630307][ T1076] netlink_unicast+0x449/0x710 [ 8248.630307][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8248.630307][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8248.630307][ T1076] ___sys_sendmsg+0xee/0x170 [ 8248.630307][ T1076] __sys_sendmsg+0xcd/0x170 [ 8248.630307][ T1076] do_syscall_64+0xc6/0x1e0 [ 8248.630307][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.630307][ T1076] [ 8248.630528][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8248.630528][ T73] dst_init+0x84/0x4a0 [ 8248.630528][ T73] dst_alloc+0x97/0x150 [ 8248.630528][ T73] ip6_dst_alloc+0x23/0x90 [ 8248.630528][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8248.630528][ T73] ip6_pol_route+0x56f/0x840 [ 8248.630528][ T73] fib6_rule_lookup+0x456/0x630 [ 8248.630528][ T73] ip6_route_input+0x59c/0xa50 [ 8248.630528][ T73] ipv6_rcv+0x397/0x810 [ 8248.630528][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8248.630528][ T73] process_backlog+0x101/0x620 [ 8248.630528][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8248.630528][ T73] net_rx_action+0x495/0xbe0 [ 8248.630528][ T73] __do_softirq+0x1b5/0x7f6 [ 8248.630528][ T73] [ 8248.633224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8248.633224][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8248.633224][ T1076] ipv6_find_idev+0x102/0x170 [ 8248.633224][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.633224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.633224][ T1076] netlink_rcv_skb+0x130/0x360 [ 8248.633224][ T1076] netlink_unicast+0x449/0x710 [ 8248.633224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8248.633224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8248.633224][ T1076] ___sys_sendmsg+0xee/0x170 [ 8248.633224][ T1076] __sys_sendmsg+0xcd/0x170 [ 8248.633224][ T1076] do_syscall_64+0xc6/0x1e0 [ 8248.633224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.633224][ T1076] [ 8248.635190][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8248.635190][ T73] netdev_get_by_index+0x5e/0x80 [ 8248.635190][ T73] fib6_nh_init+0x3d8/0x1580 [ 8248.635190][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8248.635190][ T73] ip6_route_add+0x1c/0x140 [ 8248.635190][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8248.635190][ T73] inet6_addr_add+0x4f8/0xa40 [ 8248.635190][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.635190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.635190][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.635190][ T73] netlink_unicast+0x449/0x710 [ 8248.635190][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.635190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.635190][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.635190][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.635190][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.635190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.635190][ T73] [ 8248.637273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8248.637273][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8248.637273][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8248.637273][ T1076] ipv6_find_idev+0x102/0x170 [ 8248.637273][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.637273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.637273][ T1076] netlink_rcv_skb+0x130/0x360 [ 8248.637273][ T1076] netlink_unicast+0x449/0x710 [ 8248.637273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8248.637273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8248.637273][ T1076] ___sys_sendmsg+0xee/0x170 [ 8248.637273][ T1076] __sys_sendmsg+0xcd/0x170 [ 8248.637273][ T1076] do_syscall_64+0xc6/0x1e0 [ 8248.637273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.637273][ T1076] [ 8248.639678][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8248.639678][ T73] netdev_get_by_index+0x5e/0x80 [ 8248.639678][ T73] fib6_nh_init+0x3d8/0x1580 [ 8248.639678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8248.639678][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8248.639678][ T73] ipv6_add_addr+0x411/0x2000 [ 8248.639678][ T73] inet6_addr_add+0x30e/0xa40 [ 8248.639678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.639678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.639678][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.639678][ T73] netlink_unicast+0x449/0x710 [ 8248.639678][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.639678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.639678][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.639678][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.639678][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.639678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.639678][ T73] [ 8248.644004][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8248.644004][ T73] netdev_get_by_index+0x5e/0x80 [ 8248.644004][ T73] fib6_nh_init+0x3d8/0x1580 [ 8248.644004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8248.644004][ T73] ip6_route_add+0x1c/0x140 [ 8248.644004][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8248.644004][ T73] addrconf_add_dev+0xe2/0x170 [ 8248.644004][ T73] inet6_addr_add+0x12f/0xa40 [ 8248.644004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.644004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.644004][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.644004][ T73] netlink_unicast+0x449/0x710 [ 8248.644004][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.644004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.644004][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.644004][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.644004][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.644004][ T73] [ 8248.645993][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8248.645993][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8248.645993][ T73] ipv6_find_idev+0x102/0x170 [ 8248.645993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.645993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.645993][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.645993][ T73] netlink_unicast+0x449/0x710 [ 8248.645993][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.645993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.645993][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.645993][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.645993][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.645993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.645993][ T73] [ 8248.647542][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8248.647542][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8248.647542][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8248.647542][ T73] ipv6_find_idev+0x102/0x170 [ 8248.647542][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.647542][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.647542][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.647542][ T73] netlink_unicast+0x449/0x710 [ 8248.647542][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.647542][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.647542][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.647542][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.647542][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.647542][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.647542][ T73] [ 8248.649228][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8248.649469][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8248.649469][ T73] dst_init+0x84/0x4a0 [ 8248.649469][ T73] dst_alloc+0x97/0x150 [ 8248.649469][ T73] ip6_dst_alloc+0x23/0x90 [ 8248.649469][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8248.649469][ T73] ip6_pol_route+0x56f/0x840 [ 8248.649469][ T73] fib6_rule_lookup+0x456/0x630 [ 8248.649469][ T73] ip6_route_input+0x59c/0xa50 [ 8248.649469][ T73] ipv6_rcv+0x397/0x810 [ 8248.649469][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8248.649469][ T73] process_backlog+0x101/0x620 [ 8248.649469][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8248.649469][ T73] net_rx_action+0x495/0xbe0 [ 8248.649469][ T73] __do_softirq+0x1b5/0x7f6 [ 8248.649469][ T73] [ 8248.651124][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8248.651124][ T73] netdev_get_by_index+0x5e/0x80 [ 8248.651124][ T73] fib6_nh_init+0x3d8/0x1580 [ 8248.651124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8248.651124][ T73] ip6_route_add+0x1c/0x140 [ 8248.651124][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8248.651124][ T73] inet6_addr_add+0x4f8/0xa40 [ 8248.651124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.651124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.651124][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.651124][ T73] netlink_unicast+0x449/0x710 [ 8248.651124][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.651124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.651124][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.651124][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.651124][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.651124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.651124][ T73] [ 8248.653131][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8248.653131][ T73] netdev_get_by_index+0x5e/0x80 [ 8248.653131][ T73] fib6_nh_init+0x3d8/0x1580 [ 8248.653131][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8248.653131][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8248.653131][ T73] ipv6_add_addr+0x411/0x2000 [ 8248.653131][ T73] inet6_addr_add+0x30e/0xa40 [ 8248.653131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.653131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.653131][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.653131][ T73] netlink_unicast+0x449/0x710 [ 8248.653131][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.653131][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.653131][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.653131][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.653131][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.653131][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.653131][ T73] [ 8248.655155][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8248.655155][ T73] netdev_get_by_index+0x5e/0x80 [ 8248.655155][ T73] fib6_nh_init+0x3d8/0x1580 [ 8248.655155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8248.655155][ T73] ip6_route_add+0x1c/0x140 [ 8248.655155][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8248.655155][ T73] addrconf_add_dev+0xe2/0x170 [ 8248.655155][ T73] inet6_addr_add+0x12f/0xa40 [ 8248.655155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8248.655155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.655155][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.655155][ T73] netlink_unicast+0x449/0x710 [ 8248.655155][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.655155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.655155][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.655155][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.655155][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.655155][ T73] [ 8248.657138][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8248.657138][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8248.657138][ T73] ipv6_find_idev+0x102/0x170 [ 8248.657138][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.657138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.657138][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.657138][ T73] netlink_unicast+0x449/0x710 [ 8248.657138][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.657138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.657138][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.657138][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.657138][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.657138][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.657138][ T73] [ 8248.658688][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8248.658688][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8248.658688][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8248.658688][ T73] ipv6_find_idev+0x102/0x170 [ 8248.658688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8248.658688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8248.658688][ T73] netlink_rcv_skb+0x130/0x360 [ 8248.658688][ T73] netlink_unicast+0x449/0x710 [ 8248.658688][ T73] netlink_sendmsg+0x723/0xbe0 [ 8248.658688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8248.658688][ T73] ___sys_sendmsg+0xee/0x170 [ 8248.658688][ T73] __sys_sendmsg+0xcd/0x170 [ 8248.658688][ T73] do_syscall_64+0xc6/0x1e0 [ 8248.658688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8248.658688][ T73] [ 8258.837782][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8258.838308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8258.838308][ T1076] netdev_get_by_index+0x5e/0x80 [ 8258.838308][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8258.838308][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8258.838308][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8258.838308][ T1076] ipv6_add_addr+0x411/0x2000 [ 8258.838308][ T1076] inet6_addr_add+0x30e/0xa40 [ 8258.838308][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.838308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.838308][ T1076] netlink_rcv_skb+0x130/0x360 [ 8258.838308][ T1076] netlink_unicast+0x449/0x710 [ 8258.838308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8258.838308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8258.838308][ T1076] ___sys_sendmsg+0xee/0x170 [ 8258.838308][ T1076] __sys_sendmsg+0xcd/0x170 [ 8258.838308][ T1076] do_syscall_64+0xc6/0x1e0 [ 8258.838308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.838308][ T1076] [ 8258.840587][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8258.840587][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8258.840587][ T1076] ipv6_find_idev+0x102/0x170 [ 8258.840587][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.840587][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.840587][ T1076] netlink_rcv_skb+0x130/0x360 [ 8258.840587][ T1076] netlink_unicast+0x449/0x710 [ 8258.840587][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8258.840587][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8258.840587][ T1076] ___sys_sendmsg+0xee/0x170 [ 8258.840587][ T1076] __sys_sendmsg+0xcd/0x170 [ 8258.840587][ T1076] do_syscall_64+0xc6/0x1e0 [ 8258.840587][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.840587][ T1076] [ 8258.842331][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8258.842331][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8258.842331][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8258.842331][ T1076] ipv6_find_idev+0x102/0x170 [ 8258.842331][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.842331][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.842331][ T1076] netlink_rcv_skb+0x130/0x360 [ 8258.842331][ T1076] netlink_unicast+0x449/0x710 [ 8258.842331][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8258.842331][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8258.842331][ T1076] ___sys_sendmsg+0xee/0x170 [ 8258.842331][ T1076] __sys_sendmsg+0xcd/0x170 [ 8258.842331][ T1076] do_syscall_64+0xc6/0x1e0 [ 8258.842331][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.842331][ T1076] [ 8258.844345][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8258.844632][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8258.844632][ T73] dst_init+0x84/0x4a0 [ 8258.844632][ T73] dst_alloc+0x97/0x150 [ 8258.844632][ T73] ip6_dst_alloc+0x23/0x90 [ 8258.844632][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8258.844632][ T73] ip6_pol_route+0x56f/0x840 [ 8258.844632][ T73] fib6_rule_lookup+0x456/0x630 [ 8258.844632][ T73] ip6_route_input+0x59c/0xa50 [ 8258.844632][ T73] ipv6_rcv+0x397/0x810 [ 8258.844632][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8258.844632][ T73] process_backlog+0x101/0x620 [ 8258.844632][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8258.844632][ T73] net_rx_action+0x495/0xbe0 [ 8258.844632][ T73] __do_softirq+0x1b5/0x7f6 [ 8258.844632][ T73] [ 8258.846296][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8258.846296][ T73] netdev_get_by_index+0x5e/0x80 [ 8258.846296][ T73] fib6_nh_init+0x3d8/0x1580 [ 8258.846296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8258.846296][ T73] ip6_route_add+0x1c/0x140 [ 8258.846296][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8258.846296][ T73] inet6_addr_add+0x4f8/0xa40 [ 8258.846296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.846296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.846296][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.846296][ T73] netlink_unicast+0x449/0x710 [ 8258.846296][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.846296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.846296][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.846296][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.846296][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.846296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.846296][ T73] [ 8258.848286][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8258.848286][ T73] netdev_get_by_index+0x5e/0x80 [ 8258.848286][ T73] fib6_nh_init+0x3d8/0x1580 [ 8258.848286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8258.848286][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8258.848286][ T73] ipv6_add_addr+0x411/0x2000 [ 8258.848286][ T73] inet6_addr_add+0x30e/0xa40 [ 8258.848286][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.848286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.848286][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.848286][ T73] netlink_unicast+0x449/0x710 [ 8258.848286][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.848286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.848286][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.848286][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.848286][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.848286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.848286][ T73] [ 8258.850279][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8258.850279][ T73] netdev_get_by_index+0x5e/0x80 [ 8258.850279][ T73] fib6_nh_init+0x3d8/0x1580 [ 8258.850279][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8258.850279][ T73] ip6_route_add+0x1c/0x140 [ 8258.850279][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8258.850279][ T73] addrconf_add_dev+0xe2/0x170 [ 8258.850279][ T73] inet6_addr_add+0x12f/0xa40 [ 8258.850279][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.850279][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.850279][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.850279][ T73] netlink_unicast+0x449/0x710 [ 8258.850279][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.850279][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.850279][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.850279][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.850279][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.850279][ T73] [ 8258.852242][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8258.852242][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8258.852242][ T73] ipv6_find_idev+0x102/0x170 [ 8258.852242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.852242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.852242][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.852242][ T73] netlink_unicast+0x449/0x710 [ 8258.852242][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.852242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.852242][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.852242][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.852242][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.852242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.852242][ T73] [ 8258.853772][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8258.853772][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8258.853772][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8258.853772][ T73] ipv6_find_idev+0x102/0x170 [ 8258.853772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.853772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.853772][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.853772][ T73] netlink_unicast+0x449/0x710 [ 8258.853772][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.853772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.853772][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.853772][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.853772][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.853772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.853772][ T73] [ 8258.855455][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8258.855707][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8258.855707][ T73] dst_init+0x84/0x4a0 [ 8258.855707][ T73] dst_alloc+0x97/0x150 [ 8258.855707][ T73] ip6_dst_alloc+0x23/0x90 [ 8258.855707][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8258.855707][ T73] ip6_pol_route+0x56f/0x840 [ 8258.855707][ T73] fib6_rule_lookup+0x456/0x630 [ 8258.855707][ T73] ip6_route_input+0x59c/0xa50 [ 8258.855707][ T73] ipv6_rcv+0x397/0x810 [ 8258.855707][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8258.855707][ T73] process_backlog+0x101/0x620 [ 8258.855707][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8258.855707][ T73] net_rx_action+0x495/0xbe0 [ 8258.855707][ T73] __do_softirq+0x1b5/0x7f6 [ 8258.855707][ T73] [ 8258.857341][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8258.857341][ T73] netdev_get_by_index+0x5e/0x80 [ 8258.857341][ T73] fib6_nh_init+0x3d8/0x1580 [ 8258.857341][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8258.857341][ T73] ip6_route_add+0x1c/0x140 [ 8258.857341][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8258.857341][ T73] inet6_addr_add+0x4f8/0xa40 [ 8258.857341][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.857341][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.857341][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.857341][ T73] netlink_unicast+0x449/0x710 [ 8258.857341][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.857341][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.857341][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.857341][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.857341][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.857341][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.857341][ T73] [ 8258.859332][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8258.859332][ T73] netdev_get_by_index+0x5e/0x80 [ 8258.859332][ T73] fib6_nh_init+0x3d8/0x1580 [ 8258.859332][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8258.859332][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8258.859332][ T73] ipv6_add_addr+0x411/0x2000 [ 8258.859332][ T73] inet6_addr_add+0x30e/0xa40 [ 8258.859332][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.859332][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.859332][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.859332][ T73] netlink_unicast+0x449/0x710 [ 8258.859332][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.859332][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.859332][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.859332][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.859332][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.859332][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.859332][ T73] [ 8258.861323][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8258.861323][ T73] netdev_get_by_index+0x5e/0x80 [ 8258.861323][ T73] fib6_nh_init+0x3d8/0x1580 [ 8258.861323][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8258.861323][ T73] ip6_route_add+0x1c/0x140 [ 8258.861323][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8258.861323][ T73] addrconf_add_dev+0xe2/0x170 [ 8258.861323][ T73] inet6_addr_add+0x12f/0xa40 [ 8258.861323][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8258.861323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.861323][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.861323][ T73] netlink_unicast+0x449/0x710 [ 8258.861323][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.861323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.861323][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.861323][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.861323][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.861323][ T73] [ 8258.863272][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8258.863272][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8258.863272][ T73] ipv6_find_idev+0x102/0x170 [ 8258.863272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.863272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.863272][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.863272][ T73] netlink_unicast+0x449/0x710 [ 8258.863272][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.863272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.863272][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.863272][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.863272][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.863272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.863272][ T73] [ 8258.864803][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8258.864803][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8258.864803][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8258.864803][ T73] ipv6_find_idev+0x102/0x170 [ 8258.864803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8258.864803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8258.864803][ T73] netlink_rcv_skb+0x130/0x360 [ 8258.864803][ T73] netlink_unicast+0x449/0x710 [ 8258.864803][ T73] netlink_sendmsg+0x723/0xbe0 [ 8258.864803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8258.864803][ T73] ___sys_sendmsg+0xee/0x170 [ 8258.864803][ T73] __sys_sendmsg+0xcd/0x170 [ 8258.864803][ T73] do_syscall_64+0xc6/0x1e0 [ 8258.864803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8258.864803][ T73] [ 8268.853725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8268.854259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8268.854259][ T1076] netdev_get_by_index+0x5e/0x80 [ 8268.854259][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8268.854259][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8268.854259][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8268.854259][ T1076] ipv6_add_addr+0x411/0x2000 [ 8268.854259][ T1076] inet6_addr_add+0x30e/0xa40 [ 8268.854259][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8268.854259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.854259][ T1076] netlink_rcv_skb+0x130/0x360 [ 8268.854259][ T1076] netlink_unicast+0x449/0x710 [ 8268.854259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8268.854259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8268.854259][ T1076] ___sys_sendmsg+0xee/0x170 [ 8268.854259][ T1076] __sys_sendmsg+0xcd/0x170 [ 8268.854259][ T1076] do_syscall_64+0xc6/0x1e0 [ 8268.854259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.854259][ T1076] [ 8268.856562][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8268.856562][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8268.856562][ T1076] ipv6_find_idev+0x102/0x170 [ 8268.856562][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8268.856562][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.856562][ T1076] netlink_rcv_skb+0x130/0x360 [ 8268.856562][ T1076] netlink_unicast+0x449/0x710 [ 8268.856562][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8268.856562][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8268.856562][ T1076] ___sys_sendmsg+0xee/0x170 [ 8268.856562][ T1076] __sys_sendmsg+0xcd/0x170 [ 8268.856562][ T1076] do_syscall_64+0xc6/0x1e0 [ 8268.856562][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.856562][ T1076] [ 8268.858303][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8268.858303][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8268.858303][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8268.858303][ T1076] ipv6_find_idev+0x102/0x170 [ 8268.858303][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8268.858303][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8268.858303][ T1076] netlink_rcv_skb+0x130/0x360 [ 8268.858303][ T1076] netlink_unicast+0x449/0x710 [ 8268.858303][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8268.858303][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8268.858303][ T1076] ___sys_sendmsg+0xee/0x170 [ 8268.858303][ T1076] __sys_sendmsg+0xcd/0x170 [ 8268.858303][ T1076] do_syscall_64+0xc6/0x1e0 [ 8268.858303][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8268.858303][ T1076] [ 8269.101753][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8269.102151][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8269.102151][ T73] dst_init+0x84/0x4a0 [ 8269.102151][ T73] dst_alloc+0x97/0x150 [ 8269.102151][ T73] ip6_dst_alloc+0x23/0x90 [ 8269.102151][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8269.102151][ T73] ip6_pol_route+0x56f/0x840 [ 8269.102151][ T73] fib6_rule_lookup+0x456/0x630 [ 8269.102151][ T73] ip6_route_input+0x59c/0xa50 [ 8269.102151][ T73] ipv6_rcv+0x397/0x810 [ 8269.102151][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8269.102151][ T73] process_backlog+0x101/0x620 [ 8269.102151][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8269.102151][ T73] net_rx_action+0x495/0xbe0 [ 8269.102151][ T73] __do_softirq+0x1b5/0x7f6 [ 8269.102151][ T73] [ 8269.103823][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8269.103823][ T73] netdev_get_by_index+0x5e/0x80 [ 8269.103823][ T73] fib6_nh_init+0x3d8/0x1580 [ 8269.103823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8269.103823][ T73] ip6_route_add+0x1c/0x140 [ 8269.103823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8269.103823][ T73] inet6_addr_add+0x4f8/0xa40 [ 8269.103823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.103823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.103823][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.103823][ T73] netlink_unicast+0x449/0x710 [ 8269.103823][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.103823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.103823][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.103823][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.103823][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.103823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.103823][ T73] [ 8269.105826][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8269.105826][ T73] netdev_get_by_index+0x5e/0x80 [ 8269.105826][ T73] fib6_nh_init+0x3d8/0x1580 [ 8269.105826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8269.105826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8269.105826][ T73] ipv6_add_addr+0x411/0x2000 [ 8269.105826][ T73] inet6_addr_add+0x30e/0xa40 [ 8269.105826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.105826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.105826][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.105826][ T73] netlink_unicast+0x449/0x710 [ 8269.105826][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.105826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.105826][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.105826][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.105826][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.105826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.105826][ T73] [ 8269.107820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8269.107820][ T73] netdev_get_by_index+0x5e/0x80 [ 8269.107820][ T73] fib6_nh_init+0x3d8/0x1580 [ 8269.107820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8269.107820][ T73] ip6_route_add+0x1c/0x140 [ 8269.107820][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8269.107820][ T73] addrconf_add_dev+0xe2/0x170 [ 8269.107820][ T73] inet6_addr_add+0x12f/0xa40 [ 8269.107820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.107820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.107820][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.107820][ T73] netlink_unicast+0x449/0x710 [ 8269.107820][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.107820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.107820][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.107820][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.107820][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.107820][ T73] [ 8269.109773][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8269.109773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8269.109773][ T73] ipv6_find_idev+0x102/0x170 [ 8269.109773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8269.109773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.109773][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.109773][ T73] netlink_unicast+0x449/0x710 [ 8269.109773][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.109773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.109773][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.109773][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.109773][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.109773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.109773][ T73] [ 8269.111304][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8269.111304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8269.111304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8269.111304][ T73] ipv6_find_idev+0x102/0x170 [ 8269.111304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8269.111304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.111304][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.111304][ T73] netlink_unicast+0x449/0x710 [ 8269.111304][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.111304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.111304][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.111304][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.111304][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.111304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.111304][ T73] [ 8269.112978][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8269.113222][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8269.113222][ T73] dst_init+0x84/0x4a0 [ 8269.113222][ T73] dst_alloc+0x97/0x150 [ 8269.113222][ T73] ip6_dst_alloc+0x23/0x90 [ 8269.113222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8269.113222][ T73] ip6_pol_route+0x56f/0x840 [ 8269.113222][ T73] fib6_rule_lookup+0x456/0x630 [ 8269.113222][ T73] ip6_route_input+0x59c/0xa50 [ 8269.113222][ T73] ipv6_rcv+0x397/0x810 [ 8269.113222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8269.113222][ T73] process_backlog+0x101/0x620 [ 8269.113222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8269.113222][ T73] net_rx_action+0x495/0xbe0 [ 8269.113222][ T73] __do_softirq+0x1b5/0x7f6 [ 8269.113222][ T73] [ 8269.114855][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8269.114855][ T73] netdev_get_by_index+0x5e/0x80 [ 8269.114855][ T73] fib6_nh_init+0x3d8/0x1580 [ 8269.114855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8269.114855][ T73] ip6_route_add+0x1c/0x140 [ 8269.114855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8269.114855][ T73] inet6_addr_add+0x4f8/0xa40 [ 8269.114855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.114855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.114855][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.114855][ T73] netlink_unicast+0x449/0x710 [ 8269.114855][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.114855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.114855][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.114855][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.114855][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.114855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.114855][ T73] [ 8269.116836][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8269.116836][ T73] netdev_get_by_index+0x5e/0x80 [ 8269.116836][ T73] fib6_nh_init+0x3d8/0x1580 [ 8269.116836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8269.116836][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8269.116836][ T73] ipv6_add_addr+0x411/0x2000 [ 8269.116836][ T73] inet6_addr_add+0x30e/0xa40 [ 8269.116836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.116836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.116836][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.116836][ T73] netlink_unicast+0x449/0x710 [ 8269.116836][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.116836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.116836][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.116836][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.116836][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.116836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.116836][ T73] [ 8269.118839][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8269.118839][ T73] netdev_get_by_index+0x5e/0x80 [ 8269.118839][ T73] fib6_nh_init+0x3d8/0x1580 [ 8269.118839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8269.118839][ T73] ip6_route_add+0x1c/0x140 [ 8269.118839][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8269.118839][ T73] addrconf_add_dev+0xe2/0x170 [ 8269.118839][ T73] inet6_addr_add+0x12f/0xa40 [ 8269.118839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8269.118839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.118839][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.118839][ T73] netlink_unicast+0x449/0x710 [ 8269.118839][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.118839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.118839][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.118839][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.118839][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.118839][ T73] [ 8269.120784][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8269.120784][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8269.120784][ T73] ipv6_find_idev+0x102/0x170 [ 8269.120784][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8269.120784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.120784][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.120784][ T73] netlink_unicast+0x449/0x710 [ 8269.120784][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.120784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.120784][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.120784][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.120784][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.120784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.120784][ T73] [ 8269.122311][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8269.122311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8269.122311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8269.122311][ T73] ipv6_find_idev+0x102/0x170 [ 8269.122311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8269.122311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8269.122311][ T73] netlink_rcv_skb+0x130/0x360 [ 8269.122311][ T73] netlink_unicast+0x449/0x710 [ 8269.122311][ T73] netlink_sendmsg+0x723/0xbe0 [ 8269.122311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8269.122311][ T73] ___sys_sendmsg+0xee/0x170 [ 8269.122311][ T73] __sys_sendmsg+0xcd/0x170 [ 8269.122311][ T73] do_syscall_64+0xc6/0x1e0 [ 8269.122311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8269.122311][ T73] [ 8278.861741][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8278.862251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8278.862251][ T1076] netdev_get_by_index+0x5e/0x80 [ 8278.862251][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8278.862251][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8278.862251][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8278.862251][ T1076] ipv6_add_addr+0x411/0x2000 [ 8278.862251][ T1076] inet6_addr_add+0x30e/0xa40 [ 8278.862251][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8278.862251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.862251][ T1076] netlink_rcv_skb+0x130/0x360 [ 8278.862251][ T1076] netlink_unicast+0x449/0x710 [ 8278.862251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8278.862251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8278.862251][ T1076] ___sys_sendmsg+0xee/0x170 [ 8278.862251][ T1076] __sys_sendmsg+0xcd/0x170 [ 8278.862251][ T1076] do_syscall_64+0xc6/0x1e0 [ 8278.862251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.862251][ T1076] [ 8278.864522][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8278.864522][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8278.864522][ T1076] ipv6_find_idev+0x102/0x170 [ 8278.864522][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8278.864522][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.864522][ T1076] netlink_rcv_skb+0x130/0x360 [ 8278.864522][ T1076] netlink_unicast+0x449/0x710 [ 8278.864522][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8278.864522][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8278.864522][ T1076] ___sys_sendmsg+0xee/0x170 [ 8278.864522][ T1076] __sys_sendmsg+0xcd/0x170 [ 8278.864522][ T1076] do_syscall_64+0xc6/0x1e0 [ 8278.864522][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.864522][ T1076] [ 8278.866653][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8278.866653][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8278.866653][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8278.866653][ T1076] ipv6_find_idev+0x102/0x170 [ 8278.866653][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8278.866653][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8278.866653][ T1076] netlink_rcv_skb+0x130/0x360 [ 8278.866653][ T1076] netlink_unicast+0x449/0x710 [ 8278.866653][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8278.866653][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8278.866653][ T1076] ___sys_sendmsg+0xee/0x170 [ 8278.866653][ T1076] __sys_sendmsg+0xcd/0x170 [ 8278.866653][ T1076] do_syscall_64+0xc6/0x1e0 [ 8278.866653][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8278.866653][ T1076] [ 8279.365715][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8279.366097][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8279.366097][ T73] dst_init+0x84/0x4a0 [ 8279.366097][ T73] dst_alloc+0x97/0x150 [ 8279.366097][ T73] ip6_dst_alloc+0x23/0x90 [ 8279.366097][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8279.366097][ T73] ip6_pol_route+0x56f/0x840 [ 8279.366097][ T73] fib6_rule_lookup+0x456/0x630 [ 8279.366097][ T73] ip6_route_input+0x59c/0xa50 [ 8279.366097][ T73] ipv6_rcv+0x397/0x810 [ 8279.366097][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8279.366097][ T73] process_backlog+0x101/0x620 [ 8279.366097][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8279.366097][ T73] net_rx_action+0x495/0xbe0 [ 8279.366097][ T73] __do_softirq+0x1b5/0x7f6 [ 8279.366097][ T73] [ 8279.367746][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8279.367746][ T73] netdev_get_by_index+0x5e/0x80 [ 8279.367746][ T73] fib6_nh_init+0x3d8/0x1580 [ 8279.367746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8279.367746][ T73] ip6_route_add+0x1c/0x140 [ 8279.367746][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8279.367746][ T73] inet6_addr_add+0x4f8/0xa40 [ 8279.367746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.367746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.367746][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.367746][ T73] netlink_unicast+0x449/0x710 [ 8279.367746][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.367746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.367746][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.367746][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.367746][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.367746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.367746][ T73] [ 8279.369760][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8279.369760][ T73] netdev_get_by_index+0x5e/0x80 [ 8279.369760][ T73] fib6_nh_init+0x3d8/0x1580 [ 8279.369760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8279.369760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8279.369760][ T73] ipv6_add_addr+0x411/0x2000 [ 8279.369760][ T73] inet6_addr_add+0x30e/0xa40 [ 8279.369760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.369760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.369760][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.369760][ T73] netlink_unicast+0x449/0x710 [ 8279.369760][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.369760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.369760][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.369760][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.369760][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.369760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.369760][ T73] [ 8279.371746][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8279.371746][ T73] netdev_get_by_index+0x5e/0x80 [ 8279.371746][ T73] fib6_nh_init+0x3d8/0x1580 [ 8279.371746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8279.371746][ T73] ip6_route_add+0x1c/0x140 [ 8279.371746][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8279.371746][ T73] addrconf_add_dev+0xe2/0x170 [ 8279.371746][ T73] inet6_addr_add+0x12f/0xa40 [ 8279.371746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.371746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.371746][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.371746][ T73] netlink_unicast+0x449/0x710 [ 8279.371746][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.371746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.371746][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.371746][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.371746][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.371746][ T73] [ 8279.373699][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8279.373699][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8279.373699][ T73] ipv6_find_idev+0x102/0x170 [ 8279.373699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8279.373699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.373699][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.373699][ T73] netlink_unicast+0x449/0x710 [ 8279.373699][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.373699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.373699][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.373699][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.373699][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.373699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.373699][ T73] [ 8279.375239][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8279.375239][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8279.375239][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8279.375239][ T73] ipv6_find_idev+0x102/0x170 [ 8279.375239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8279.375239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.375239][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.375239][ T73] netlink_unicast+0x449/0x710 [ 8279.375239][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.375239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.375239][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.375239][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.375239][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.375239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.375239][ T73] [ 8279.376914][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8279.377154][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8279.377154][ T73] dst_init+0x84/0x4a0 [ 8279.377154][ T73] dst_alloc+0x97/0x150 [ 8279.377154][ T73] ip6_dst_alloc+0x23/0x90 [ 8279.377154][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8279.377154][ T73] ip6_pol_route+0x56f/0x840 [ 8279.377154][ T73] fib6_rule_lookup+0x456/0x630 [ 8279.377154][ T73] ip6_route_input+0x59c/0xa50 [ 8279.377154][ T73] ipv6_rcv+0x397/0x810 [ 8279.377154][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8279.377154][ T73] process_backlog+0x101/0x620 [ 8279.377154][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8279.377154][ T73] net_rx_action+0x495/0xbe0 [ 8279.377154][ T73] __do_softirq+0x1b5/0x7f6 [ 8279.377154][ T73] [ 8279.378781][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8279.378781][ T73] netdev_get_by_index+0x5e/0x80 [ 8279.378781][ T73] fib6_nh_init+0x3d8/0x1580 [ 8279.378781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8279.378781][ T73] ip6_route_add+0x1c/0x140 [ 8279.378781][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8279.378781][ T73] inet6_addr_add+0x4f8/0xa40 [ 8279.378781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.378781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.378781][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.378781][ T73] netlink_unicast+0x449/0x710 [ 8279.378781][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.378781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.378781][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.378781][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.378781][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.378781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.378781][ T73] [ 8279.380767][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8279.380767][ T73] netdev_get_by_index+0x5e/0x80 [ 8279.380767][ T73] fib6_nh_init+0x3d8/0x1580 [ 8279.380767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8279.380767][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8279.380767][ T73] ipv6_add_addr+0x411/0x2000 [ 8279.380767][ T73] inet6_addr_add+0x30e/0xa40 [ 8279.380767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.380767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.380767][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.380767][ T73] netlink_unicast+0x449/0x710 [ 8279.380767][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.380767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.380767][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.380767][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.380767][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.380767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.380767][ T73] [ 8279.383002][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8279.383002][ T73] netdev_get_by_index+0x5e/0x80 [ 8279.383002][ T73] fib6_nh_init+0x3d8/0x1580 [ 8279.383002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8279.383002][ T73] ip6_route_add+0x1c/0x140 [ 8279.383002][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8279.383002][ T73] addrconf_add_dev+0xe2/0x170 [ 8279.383002][ T73] inet6_addr_add+0x12f/0xa40 [ 8279.383002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8279.383002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.383002][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.383002][ T73] netlink_unicast+0x449/0x710 [ 8279.383002][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.383002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.383002][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.383002][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.383002][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.383002][ T73] [ 8279.385418][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8279.385418][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8279.385418][ T73] ipv6_find_idev+0x102/0x170 [ 8279.385418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8279.385418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.385418][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.385418][ T73] netlink_unicast+0x449/0x710 [ 8279.385418][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.385418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.385418][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.385418][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.385418][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.385418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.385418][ T73] [ 8279.387272][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8279.387272][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8279.387272][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8279.387272][ T73] ipv6_find_idev+0x102/0x170 [ 8279.387272][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8279.387272][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8279.387272][ T73] netlink_rcv_skb+0x130/0x360 [ 8279.387272][ T73] netlink_unicast+0x449/0x710 [ 8279.387272][ T73] netlink_sendmsg+0x723/0xbe0 [ 8279.387272][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8279.387272][ T73] ___sys_sendmsg+0xee/0x170 [ 8279.387272][ T73] __sys_sendmsg+0xcd/0x170 [ 8279.387272][ T73] do_syscall_64+0xc6/0x1e0 [ 8279.387272][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8279.387272][ T73] [ 8289.101751][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8289.102264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8289.102264][ T1076] netdev_get_by_index+0x5e/0x80 [ 8289.102264][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8289.102264][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8289.102264][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8289.102264][ T1076] ipv6_add_addr+0x411/0x2000 [ 8289.102264][ T1076] inet6_addr_add+0x30e/0xa40 [ 8289.102264][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.102264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.102264][ T1076] netlink_rcv_skb+0x130/0x360 [ 8289.102264][ T1076] netlink_unicast+0x449/0x710 [ 8289.102264][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8289.102264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8289.102264][ T1076] ___sys_sendmsg+0xee/0x170 [ 8289.102264][ T1076] __sys_sendmsg+0xcd/0x170 [ 8289.102264][ T1076] do_syscall_64+0xc6/0x1e0 [ 8289.102264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.102264][ T1076] [ 8289.104527][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8289.104527][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8289.104527][ T1076] ipv6_find_idev+0x102/0x170 [ 8289.104527][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.104527][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.104527][ T1076] netlink_rcv_skb+0x130/0x360 [ 8289.104527][ T1076] netlink_unicast+0x449/0x710 [ 8289.104527][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8289.104527][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8289.104527][ T1076] ___sys_sendmsg+0xee/0x170 [ 8289.104527][ T1076] __sys_sendmsg+0xcd/0x170 [ 8289.104527][ T1076] do_syscall_64+0xc6/0x1e0 [ 8289.104527][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.104527][ T1076] [ 8289.106371][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8289.106371][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8289.106371][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8289.106371][ T1076] ipv6_find_idev+0x102/0x170 [ 8289.106371][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.106371][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.106371][ T1076] netlink_rcv_skb+0x130/0x360 [ 8289.106371][ T1076] netlink_unicast+0x449/0x710 [ 8289.106371][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8289.106371][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8289.106371][ T1076] ___sys_sendmsg+0xee/0x170 [ 8289.106371][ T1076] __sys_sendmsg+0xcd/0x170 [ 8289.106371][ T1076] do_syscall_64+0xc6/0x1e0 [ 8289.106371][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.106371][ T1076] [ 8289.629709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8289.630148][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8289.630148][ T73] dst_init+0x84/0x4a0 [ 8289.630148][ T73] dst_alloc+0x97/0x150 [ 8289.630148][ T73] ip6_dst_alloc+0x23/0x90 [ 8289.630148][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8289.630148][ T73] ip6_pol_route+0x56f/0x840 [ 8289.630148][ T73] fib6_rule_lookup+0x456/0x630 [ 8289.630148][ T73] ip6_route_input+0x59c/0xa50 [ 8289.630148][ T73] ipv6_rcv+0x397/0x810 [ 8289.630148][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8289.630148][ T73] process_backlog+0x101/0x620 [ 8289.630148][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8289.630148][ T73] net_rx_action+0x495/0xbe0 [ 8289.630148][ T73] __do_softirq+0x1b5/0x7f6 [ 8289.630148][ T73] [ 8289.631816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8289.631816][ T73] netdev_get_by_index+0x5e/0x80 [ 8289.631816][ T73] fib6_nh_init+0x3d8/0x1580 [ 8289.631816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8289.631816][ T73] ip6_route_add+0x1c/0x140 [ 8289.631816][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8289.631816][ T73] inet6_addr_add+0x4f8/0xa40 [ 8289.631816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.631816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.631816][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.631816][ T73] netlink_unicast+0x449/0x710 [ 8289.631816][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.631816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.631816][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.631816][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.631816][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.631816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.631816][ T73] [ 8289.633824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8289.633824][ T73] netdev_get_by_index+0x5e/0x80 [ 8289.633824][ T73] fib6_nh_init+0x3d8/0x1580 [ 8289.633824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8289.633824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8289.633824][ T73] ipv6_add_addr+0x411/0x2000 [ 8289.633824][ T73] inet6_addr_add+0x30e/0xa40 [ 8289.633824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.633824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.633824][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.633824][ T73] netlink_unicast+0x449/0x710 [ 8289.633824][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.633824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.633824][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.633824][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.633824][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.633824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.633824][ T73] [ 8289.635844][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8289.635844][ T73] netdev_get_by_index+0x5e/0x80 [ 8289.635844][ T73] fib6_nh_init+0x3d8/0x1580 [ 8289.635844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8289.635844][ T73] ip6_route_add+0x1c/0x140 [ 8289.635844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8289.635844][ T73] addrconf_add_dev+0xe2/0x170 [ 8289.635844][ T73] inet6_addr_add+0x12f/0xa40 [ 8289.635844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.635844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.635844][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.635844][ T73] netlink_unicast+0x449/0x710 [ 8289.635844][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.635844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.635844][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.635844][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.635844][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.635844][ T73] [ 8289.637953][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8289.637953][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8289.637953][ T73] ipv6_find_idev+0x102/0x170 [ 8289.637953][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.637953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.637953][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.637953][ T73] netlink_unicast+0x449/0x710 [ 8289.637953][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.637953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.637953][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.637953][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.637953][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.637953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.637953][ T73] [ 8289.639496][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8289.639496][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8289.639496][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8289.639496][ T73] ipv6_find_idev+0x102/0x170 [ 8289.639496][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.639496][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.639496][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.639496][ T73] netlink_unicast+0x449/0x710 [ 8289.639496][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.639496][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.639496][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.639496][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.639496][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.639496][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.639496][ T73] [ 8289.641191][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8289.641436][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8289.641436][ T73] dst_init+0x84/0x4a0 [ 8289.641436][ T73] dst_alloc+0x97/0x150 [ 8289.641436][ T73] ip6_dst_alloc+0x23/0x90 [ 8289.641436][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8289.641436][ T73] ip6_pol_route+0x56f/0x840 [ 8289.641436][ T73] fib6_rule_lookup+0x456/0x630 [ 8289.641436][ T73] ip6_route_input+0x59c/0xa50 [ 8289.641436][ T73] ipv6_rcv+0x397/0x810 [ 8289.641436][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8289.641436][ T73] process_backlog+0x101/0x620 [ 8289.641436][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8289.641436][ T73] net_rx_action+0x495/0xbe0 [ 8289.641436][ T73] __do_softirq+0x1b5/0x7f6 [ 8289.641436][ T73] [ 8289.643073][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8289.643073][ T73] netdev_get_by_index+0x5e/0x80 [ 8289.643073][ T73] fib6_nh_init+0x3d8/0x1580 [ 8289.643073][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8289.643073][ T73] ip6_route_add+0x1c/0x140 [ 8289.643073][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8289.643073][ T73] inet6_addr_add+0x4f8/0xa40 [ 8289.643073][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.643073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.643073][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.643073][ T73] netlink_unicast+0x449/0x710 [ 8289.643073][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.643073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.643073][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.643073][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.643073][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.643073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.643073][ T73] [ 8289.645092][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8289.645092][ T73] netdev_get_by_index+0x5e/0x80 [ 8289.645092][ T73] fib6_nh_init+0x3d8/0x1580 [ 8289.645092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8289.645092][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8289.645092][ T73] ipv6_add_addr+0x411/0x2000 [ 8289.645092][ T73] inet6_addr_add+0x30e/0xa40 [ 8289.645092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.645092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.645092][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.645092][ T73] netlink_unicast+0x449/0x710 [ 8289.645092][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.645092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.645092][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.645092][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.645092][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.645092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.645092][ T73] [ 8289.647091][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8289.647091][ T73] netdev_get_by_index+0x5e/0x80 [ 8289.647091][ T73] fib6_nh_init+0x3d8/0x1580 [ 8289.647091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8289.647091][ T73] ip6_route_add+0x1c/0x140 [ 8289.647091][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8289.647091][ T73] addrconf_add_dev+0xe2/0x170 [ 8289.647091][ T73] inet6_addr_add+0x12f/0xa40 [ 8289.647091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8289.647091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.647091][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.647091][ T73] netlink_unicast+0x449/0x710 [ 8289.647091][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.647091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.647091][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.647091][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.647091][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.647091][ T73] [ 8289.649058][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8289.649058][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8289.649058][ T73] ipv6_find_idev+0x102/0x170 [ 8289.649058][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.649058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.649058][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.649058][ T73] netlink_unicast+0x449/0x710 [ 8289.649058][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.649058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.649058][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.649058][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.649058][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.649058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.649058][ T73] [ 8289.650611][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8289.650611][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8289.650611][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8289.650611][ T73] ipv6_find_idev+0x102/0x170 [ 8289.650611][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8289.650611][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8289.650611][ T73] netlink_rcv_skb+0x130/0x360 [ 8289.650611][ T73] netlink_unicast+0x449/0x710 [ 8289.650611][ T73] netlink_sendmsg+0x723/0xbe0 [ 8289.650611][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8289.650611][ T73] ___sys_sendmsg+0xee/0x170 [ 8289.650611][ T73] __sys_sendmsg+0xcd/0x170 [ 8289.650611][ T73] do_syscall_64+0xc6/0x1e0 [ 8289.650611][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8289.650611][ T73] [ 8299.349757][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8299.350257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8299.350257][ T1076] netdev_get_by_index+0x5e/0x80 [ 8299.350257][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8299.350257][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8299.350257][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8299.350257][ T1076] ipv6_add_addr+0x411/0x2000 [ 8299.350257][ T1076] inet6_addr_add+0x30e/0xa40 [ 8299.350257][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.350257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.350257][ T1076] netlink_rcv_skb+0x130/0x360 [ 8299.350257][ T1076] netlink_unicast+0x449/0x710 [ 8299.350257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8299.350257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8299.350257][ T1076] ___sys_sendmsg+0xee/0x170 [ 8299.350257][ T1076] __sys_sendmsg+0xcd/0x170 [ 8299.350257][ T1076] do_syscall_64+0xc6/0x1e0 [ 8299.350257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.350257][ T1076] [ 8299.352545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8299.352545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8299.352545][ T1076] ipv6_find_idev+0x102/0x170 [ 8299.352545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.352545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.352545][ T1076] netlink_rcv_skb+0x130/0x360 [ 8299.352545][ T1076] netlink_unicast+0x449/0x710 [ 8299.352545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8299.352545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8299.352545][ T1076] ___sys_sendmsg+0xee/0x170 [ 8299.352545][ T1076] __sys_sendmsg+0xcd/0x170 [ 8299.352545][ T1076] do_syscall_64+0xc6/0x1e0 [ 8299.352545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.352545][ T1076] [ 8299.354292][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8299.354292][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8299.354292][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8299.354292][ T1076] ipv6_find_idev+0x102/0x170 [ 8299.354292][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.354292][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.354292][ T1076] netlink_rcv_skb+0x130/0x360 [ 8299.354292][ T1076] netlink_unicast+0x449/0x710 [ 8299.354292][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8299.354292][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8299.354292][ T1076] ___sys_sendmsg+0xee/0x170 [ 8299.354292][ T1076] __sys_sendmsg+0xcd/0x170 [ 8299.354292][ T1076] do_syscall_64+0xc6/0x1e0 [ 8299.354292][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.354292][ T1076] [ 8299.893733][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8299.894154][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8299.894154][ T73] dst_init+0x84/0x4a0 [ 8299.894154][ T73] dst_alloc+0x97/0x150 [ 8299.894154][ T73] ip6_dst_alloc+0x23/0x90 [ 8299.894154][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8299.894154][ T73] ip6_pol_route+0x56f/0x840 [ 8299.894154][ T73] fib6_rule_lookup+0x456/0x630 [ 8299.894154][ T73] ip6_route_input+0x59c/0xa50 [ 8299.894154][ T73] ipv6_rcv+0x397/0x810 [ 8299.894154][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8299.894154][ T73] process_backlog+0x101/0x620 [ 8299.894154][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8299.894154][ T73] net_rx_action+0x495/0xbe0 [ 8299.894154][ T73] __do_softirq+0x1b5/0x7f6 [ 8299.894154][ T73] [ 8299.895832][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8299.895832][ T73] netdev_get_by_index+0x5e/0x80 [ 8299.895832][ T73] fib6_nh_init+0x3d8/0x1580 [ 8299.895832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8299.895832][ T73] ip6_route_add+0x1c/0x140 [ 8299.895832][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8299.895832][ T73] inet6_addr_add+0x4f8/0xa40 [ 8299.895832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.895832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.895832][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.895832][ T73] netlink_unicast+0x449/0x710 [ 8299.895832][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.895832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.895832][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.895832][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.895832][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.895832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.895832][ T73] [ 8299.897832][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8299.897832][ T73] netdev_get_by_index+0x5e/0x80 [ 8299.897832][ T73] fib6_nh_init+0x3d8/0x1580 [ 8299.897832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8299.897832][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8299.897832][ T73] ipv6_add_addr+0x411/0x2000 [ 8299.897832][ T73] inet6_addr_add+0x30e/0xa40 [ 8299.897832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.897832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.897832][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.897832][ T73] netlink_unicast+0x449/0x710 [ 8299.897832][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.897832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.897832][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.897832][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.897832][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.897832][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.897832][ T73] [ 8299.899824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8299.899824][ T73] netdev_get_by_index+0x5e/0x80 [ 8299.899824][ T73] fib6_nh_init+0x3d8/0x1580 [ 8299.899824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8299.899824][ T73] ip6_route_add+0x1c/0x140 [ 8299.899824][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8299.899824][ T73] addrconf_add_dev+0xe2/0x170 [ 8299.899824][ T73] inet6_addr_add+0x12f/0xa40 [ 8299.899824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.899824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.899824][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.899824][ T73] netlink_unicast+0x449/0x710 [ 8299.899824][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.899824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.899824][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.899824][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.899824][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.899824][ T73] [ 8299.901783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8299.901783][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8299.901783][ T73] ipv6_find_idev+0x102/0x170 [ 8299.901783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.901783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.901783][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.901783][ T73] netlink_unicast+0x449/0x710 [ 8299.901783][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.901783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.901783][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.901783][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.901783][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.901783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.901783][ T73] [ 8299.903444][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8299.903444][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8299.903444][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8299.903444][ T73] ipv6_find_idev+0x102/0x170 [ 8299.903444][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.903444][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.903444][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.903444][ T73] netlink_unicast+0x449/0x710 [ 8299.903444][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.903444][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.903444][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.903444][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.903444][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.903444][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.903444][ T73] [ 8299.905240][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8299.905516][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8299.905516][ T73] dst_init+0x84/0x4a0 [ 8299.905516][ T73] dst_alloc+0x97/0x150 [ 8299.905516][ T73] ip6_dst_alloc+0x23/0x90 [ 8299.905516][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8299.905516][ T73] ip6_pol_route+0x56f/0x840 [ 8299.905516][ T73] fib6_rule_lookup+0x456/0x630 [ 8299.905516][ T73] ip6_route_input+0x59c/0xa50 [ 8299.905516][ T73] ipv6_rcv+0x397/0x810 [ 8299.905516][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8299.905516][ T73] process_backlog+0x101/0x620 [ 8299.905516][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8299.905516][ T73] net_rx_action+0x495/0xbe0 [ 8299.905516][ T73] __do_softirq+0x1b5/0x7f6 [ 8299.905516][ T73] [ 8299.907186][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8299.907186][ T73] netdev_get_by_index+0x5e/0x80 [ 8299.907186][ T73] fib6_nh_init+0x3d8/0x1580 [ 8299.907186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8299.907186][ T73] ip6_route_add+0x1c/0x140 [ 8299.907186][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8299.907186][ T73] inet6_addr_add+0x4f8/0xa40 [ 8299.907186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.907186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.907186][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.907186][ T73] netlink_unicast+0x449/0x710 [ 8299.907186][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.907186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.907186][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.907186][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.907186][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.907186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.907186][ T73] [ 8299.909178][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8299.909178][ T73] netdev_get_by_index+0x5e/0x80 [ 8299.909178][ T73] fib6_nh_init+0x3d8/0x1580 [ 8299.909178][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8299.909178][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8299.909178][ T73] ipv6_add_addr+0x411/0x2000 [ 8299.909178][ T73] inet6_addr_add+0x30e/0xa40 [ 8299.909178][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.909178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.909178][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.909178][ T73] netlink_unicast+0x449/0x710 [ 8299.909178][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.909178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.909178][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.909178][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.909178][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.909178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.909178][ T73] [ 8299.911362][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8299.911362][ T73] netdev_get_by_index+0x5e/0x80 [ 8299.911362][ T73] fib6_nh_init+0x3d8/0x1580 [ 8299.911362][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8299.911362][ T73] ip6_route_add+0x1c/0x140 [ 8299.911362][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8299.911362][ T73] addrconf_add_dev+0xe2/0x170 [ 8299.911362][ T73] inet6_addr_add+0x12f/0xa40 [ 8299.911362][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8299.911362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.911362][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.911362][ T73] netlink_unicast+0x449/0x710 [ 8299.911362][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.911362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.911362][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.911362][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.911362][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.911362][ T73] [ 8299.913443][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8299.913443][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8299.913443][ T73] ipv6_find_idev+0x102/0x170 [ 8299.913443][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.913443][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.913443][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.913443][ T73] netlink_unicast+0x449/0x710 [ 8299.913443][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.913443][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.913443][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.913443][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.913443][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.913443][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.913443][ T73] [ 8299.914999][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8299.914999][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8299.914999][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8299.914999][ T73] ipv6_find_idev+0x102/0x170 [ 8299.914999][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8299.914999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8299.914999][ T73] netlink_rcv_skb+0x130/0x360 [ 8299.914999][ T73] netlink_unicast+0x449/0x710 [ 8299.914999][ T73] netlink_sendmsg+0x723/0xbe0 [ 8299.914999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8299.914999][ T73] ___sys_sendmsg+0xee/0x170 [ 8299.914999][ T73] __sys_sendmsg+0xcd/0x170 [ 8299.914999][ T73] do_syscall_64+0xc6/0x1e0 [ 8299.914999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8299.914999][ T73] [ 8309.597736][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8309.598244][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8309.598244][ T1076] netdev_get_by_index+0x5e/0x80 [ 8309.598244][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8309.598244][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8309.598244][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8309.598244][ T1076] ipv6_add_addr+0x411/0x2000 [ 8309.598244][ T1076] inet6_addr_add+0x30e/0xa40 [ 8309.598244][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8309.598244][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.598244][ T1076] netlink_rcv_skb+0x130/0x360 [ 8309.598244][ T1076] netlink_unicast+0x449/0x710 [ 8309.598244][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8309.598244][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8309.598244][ T1076] ___sys_sendmsg+0xee/0x170 [ 8309.598244][ T1076] __sys_sendmsg+0xcd/0x170 [ 8309.598244][ T1076] do_syscall_64+0xc6/0x1e0 [ 8309.598244][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.598244][ T1076] [ 8309.600549][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8309.600549][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8309.600549][ T1076] ipv6_find_idev+0x102/0x170 [ 8309.600549][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8309.600549][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.600549][ T1076] netlink_rcv_skb+0x130/0x360 [ 8309.600549][ T1076] netlink_unicast+0x449/0x710 [ 8309.600549][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8309.600549][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8309.600549][ T1076] ___sys_sendmsg+0xee/0x170 [ 8309.600549][ T1076] __sys_sendmsg+0xcd/0x170 [ 8309.600549][ T1076] do_syscall_64+0xc6/0x1e0 [ 8309.600549][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.600549][ T1076] [ 8309.602296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8309.602296][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8309.602296][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8309.602296][ T1076] ipv6_find_idev+0x102/0x170 [ 8309.602296][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8309.602296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8309.602296][ T1076] netlink_rcv_skb+0x130/0x360 [ 8309.602296][ T1076] netlink_unicast+0x449/0x710 [ 8309.602296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8309.602296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8309.602296][ T1076] ___sys_sendmsg+0xee/0x170 [ 8309.602296][ T1076] __sys_sendmsg+0xcd/0x170 [ 8309.602296][ T1076] do_syscall_64+0xc6/0x1e0 [ 8309.602296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8309.602296][ T1076] [ 8310.157800][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8310.158230][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8310.158230][ T73] dst_init+0x84/0x4a0 [ 8310.158230][ T73] dst_alloc+0x97/0x150 [ 8310.158230][ T73] ip6_dst_alloc+0x23/0x90 [ 8310.158230][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8310.158230][ T73] ip6_pol_route+0x56f/0x840 [ 8310.158230][ T73] fib6_rule_lookup+0x456/0x630 [ 8310.158230][ T73] ip6_route_input+0x59c/0xa50 [ 8310.158230][ T73] ipv6_rcv+0x397/0x810 [ 8310.158230][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8310.158230][ T73] process_backlog+0x101/0x620 [ 8310.158230][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8310.158230][ T73] net_rx_action+0x495/0xbe0 [ 8310.158230][ T73] __do_softirq+0x1b5/0x7f6 [ 8310.158230][ T73] [ 8310.159889][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8310.159889][ T73] netdev_get_by_index+0x5e/0x80 [ 8310.159889][ T73] fib6_nh_init+0x3d8/0x1580 [ 8310.159889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8310.159889][ T73] ip6_route_add+0x1c/0x140 [ 8310.159889][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8310.159889][ T73] inet6_addr_add+0x4f8/0xa40 [ 8310.159889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.159889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.159889][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.159889][ T73] netlink_unicast+0x449/0x710 [ 8310.159889][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.159889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.159889][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.159889][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.159889][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.159889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.159889][ T73] [ 8310.161882][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8310.161882][ T73] netdev_get_by_index+0x5e/0x80 [ 8310.161882][ T73] fib6_nh_init+0x3d8/0x1580 [ 8310.161882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8310.161882][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8310.161882][ T73] ipv6_add_addr+0x411/0x2000 [ 8310.161882][ T73] inet6_addr_add+0x30e/0xa40 [ 8310.161882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.161882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.161882][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.161882][ T73] netlink_unicast+0x449/0x710 [ 8310.161882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.161882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.161882][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.161882][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.161882][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.161882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.161882][ T73] [ 8310.164011][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8310.164011][ T73] netdev_get_by_index+0x5e/0x80 [ 8310.164011][ T73] fib6_nh_init+0x3d8/0x1580 [ 8310.164011][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8310.164011][ T73] ip6_route_add+0x1c/0x140 [ 8310.164011][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8310.164011][ T73] addrconf_add_dev+0xe2/0x170 [ 8310.164011][ T73] inet6_addr_add+0x12f/0xa40 [ 8310.164011][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.164011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.164011][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.164011][ T73] netlink_unicast+0x449/0x710 [ 8310.164011][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.164011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.164011][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.164011][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.164011][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.164011][ T73] [ 8310.165972][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8310.165972][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8310.165972][ T73] ipv6_find_idev+0x102/0x170 [ 8310.165972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8310.165972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.165972][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.165972][ T73] netlink_unicast+0x449/0x710 [ 8310.165972][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.165972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.165972][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.165972][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.165972][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.165972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.165972][ T73] [ 8310.167505][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8310.167505][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8310.167505][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8310.167505][ T73] ipv6_find_idev+0x102/0x170 [ 8310.167505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8310.167505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.167505][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.167505][ T73] netlink_unicast+0x449/0x710 [ 8310.167505][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.167505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.167505][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.167505][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.167505][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.167505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.167505][ T73] [ 8310.169187][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8310.169427][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8310.169427][ T73] dst_init+0x84/0x4a0 [ 8310.169427][ T73] dst_alloc+0x97/0x150 [ 8310.169427][ T73] ip6_dst_alloc+0x23/0x90 [ 8310.169427][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8310.169427][ T73] ip6_pol_route+0x56f/0x840 [ 8310.169427][ T73] fib6_rule_lookup+0x456/0x630 [ 8310.169427][ T73] ip6_route_input+0x59c/0xa50 [ 8310.169427][ T73] ipv6_rcv+0x397/0x810 [ 8310.169427][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8310.169427][ T73] process_backlog+0x101/0x620 [ 8310.169427][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8310.169427][ T73] net_rx_action+0x495/0xbe0 [ 8310.169427][ T73] __do_softirq+0x1b5/0x7f6 [ 8310.169427][ T73] [ 8310.171058][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8310.171058][ T73] netdev_get_by_index+0x5e/0x80 [ 8310.171058][ T73] fib6_nh_init+0x3d8/0x1580 [ 8310.171058][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8310.171058][ T73] ip6_route_add+0x1c/0x140 [ 8310.171058][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8310.171058][ T73] inet6_addr_add+0x4f8/0xa40 [ 8310.171058][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.171058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.171058][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.171058][ T73] netlink_unicast+0x449/0x710 [ 8310.171058][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.171058][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.171058][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.171058][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.171058][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.171058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.171058][ T73] [ 8310.173038][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8310.173038][ T73] netdev_get_by_index+0x5e/0x80 [ 8310.173038][ T73] fib6_nh_init+0x3d8/0x1580 [ 8310.173038][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8310.173038][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8310.173038][ T73] ipv6_add_addr+0x411/0x2000 [ 8310.173038][ T73] inet6_addr_add+0x30e/0xa40 [ 8310.173038][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.173038][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.173038][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.173038][ T73] netlink_unicast+0x449/0x710 [ 8310.173038][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.173038][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.173038][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.173038][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.173038][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.173038][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.173038][ T73] [ 8310.175034][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8310.175034][ T73] netdev_get_by_index+0x5e/0x80 [ 8310.175034][ T73] fib6_nh_init+0x3d8/0x1580 [ 8310.175034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8310.175034][ T73] ip6_route_add+0x1c/0x140 [ 8310.175034][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8310.175034][ T73] addrconf_add_dev+0xe2/0x170 [ 8310.175034][ T73] inet6_addr_add+0x12f/0xa40 [ 8310.175034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8310.175034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.175034][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.175034][ T73] netlink_unicast+0x449/0x710 [ 8310.175034][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.175034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.175034][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.175034][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.175034][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.175034][ T73] [ 8310.177008][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8310.177008][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8310.177008][ T73] ipv6_find_idev+0x102/0x170 [ 8310.177008][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8310.177008][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.177008][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.177008][ T73] netlink_unicast+0x449/0x710 [ 8310.177008][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.177008][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.177008][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.177008][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.177008][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.177008][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.177008][ T73] [ 8310.178538][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8310.178538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8310.178538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8310.178538][ T73] ipv6_find_idev+0x102/0x170 [ 8310.178538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8310.178538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8310.178538][ T73] netlink_rcv_skb+0x130/0x360 [ 8310.178538][ T73] netlink_unicast+0x449/0x710 [ 8310.178538][ T73] netlink_sendmsg+0x723/0xbe0 [ 8310.178538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8310.178538][ T73] ___sys_sendmsg+0xee/0x170 [ 8310.178538][ T73] __sys_sendmsg+0xcd/0x170 [ 8310.178538][ T73] do_syscall_64+0xc6/0x1e0 [ 8310.178538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8310.178538][ T73] [ 8319.845639][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8319.846150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8319.846150][ T1076] netdev_get_by_index+0x5e/0x80 [ 8319.846150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8319.846150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8319.846150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8319.846150][ T1076] ipv6_add_addr+0x411/0x2000 [ 8319.846150][ T1076] inet6_addr_add+0x30e/0xa40 [ 8319.846150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8319.846150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.846150][ T1076] netlink_rcv_skb+0x130/0x360 [ 8319.846150][ T1076] netlink_unicast+0x449/0x710 [ 8319.846150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8319.846150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8319.846150][ T1076] ___sys_sendmsg+0xee/0x170 [ 8319.846150][ T1076] __sys_sendmsg+0xcd/0x170 [ 8319.846150][ T1076] do_syscall_64+0xc6/0x1e0 [ 8319.846150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.846150][ T1076] [ 8319.848435][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8319.848435][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8319.848435][ T1076] ipv6_find_idev+0x102/0x170 [ 8319.848435][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8319.848435][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.848435][ T1076] netlink_rcv_skb+0x130/0x360 [ 8319.848435][ T1076] netlink_unicast+0x449/0x710 [ 8319.848435][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8319.848435][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8319.848435][ T1076] ___sys_sendmsg+0xee/0x170 [ 8319.848435][ T1076] __sys_sendmsg+0xcd/0x170 [ 8319.848435][ T1076] do_syscall_64+0xc6/0x1e0 [ 8319.848435][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.848435][ T1076] [ 8319.850182][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8319.850182][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8319.850182][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8319.850182][ T1076] ipv6_find_idev+0x102/0x170 [ 8319.850182][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8319.850182][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8319.850182][ T1076] netlink_rcv_skb+0x130/0x360 [ 8319.850182][ T1076] netlink_unicast+0x449/0x710 [ 8319.850182][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8319.850182][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8319.850182][ T1076] ___sys_sendmsg+0xee/0x170 [ 8319.850182][ T1076] __sys_sendmsg+0xcd/0x170 [ 8319.850182][ T1076] do_syscall_64+0xc6/0x1e0 [ 8319.850182][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8319.850182][ T1076] [ 8320.421633][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8320.422057][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8320.422057][ T73] dst_init+0x84/0x4a0 [ 8320.422057][ T73] dst_alloc+0x97/0x150 [ 8320.422057][ T73] ip6_dst_alloc+0x23/0x90 [ 8320.422057][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8320.422057][ T73] ip6_pol_route+0x56f/0x840 [ 8320.422057][ T73] fib6_rule_lookup+0x456/0x630 [ 8320.422057][ T73] ip6_route_input+0x59c/0xa50 [ 8320.422057][ T73] ipv6_rcv+0x397/0x810 [ 8320.422057][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8320.422057][ T73] process_backlog+0x101/0x620 [ 8320.422057][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8320.422057][ T73] net_rx_action+0x495/0xbe0 [ 8320.422057][ T73] __do_softirq+0x1b5/0x7f6 [ 8320.422057][ T73] [ 8320.423719][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8320.423719][ T73] netdev_get_by_index+0x5e/0x80 [ 8320.423719][ T73] fib6_nh_init+0x3d8/0x1580 [ 8320.423719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8320.423719][ T73] ip6_route_add+0x1c/0x140 [ 8320.423719][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8320.423719][ T73] inet6_addr_add+0x4f8/0xa40 [ 8320.423719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.423719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.423719][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.423719][ T73] netlink_unicast+0x449/0x710 [ 8320.423719][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.423719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.423719][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.423719][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.423719][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.423719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.423719][ T73] [ 8320.425742][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8320.425742][ T73] netdev_get_by_index+0x5e/0x80 [ 8320.425742][ T73] fib6_nh_init+0x3d8/0x1580 [ 8320.425742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8320.425742][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8320.425742][ T73] ipv6_add_addr+0x411/0x2000 [ 8320.425742][ T73] inet6_addr_add+0x30e/0xa40 [ 8320.425742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.425742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.425742][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.425742][ T73] netlink_unicast+0x449/0x710 [ 8320.425742][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.425742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.425742][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.425742][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.425742][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.425742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.425742][ T73] [ 8320.427753][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8320.427753][ T73] netdev_get_by_index+0x5e/0x80 [ 8320.427753][ T73] fib6_nh_init+0x3d8/0x1580 [ 8320.427753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8320.427753][ T73] ip6_route_add+0x1c/0x140 [ 8320.427753][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8320.427753][ T73] addrconf_add_dev+0xe2/0x170 [ 8320.427753][ T73] inet6_addr_add+0x12f/0xa40 [ 8320.427753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.427753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.427753][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.427753][ T73] netlink_unicast+0x449/0x710 [ 8320.427753][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.427753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.427753][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.427753][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.427753][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.427753][ T73] [ 8320.429707][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8320.429707][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8320.429707][ T73] ipv6_find_idev+0x102/0x170 [ 8320.429707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8320.429707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.429707][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.429707][ T73] netlink_unicast+0x449/0x710 [ 8320.429707][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.429707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.429707][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.429707][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.429707][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.429707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.429707][ T73] [ 8320.431239][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8320.431239][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8320.431239][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8320.431239][ T73] ipv6_find_idev+0x102/0x170 [ 8320.431239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8320.431239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.431239][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.431239][ T73] netlink_unicast+0x449/0x710 [ 8320.431239][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.431239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.431239][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.431239][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.431239][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.431239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.431239][ T73] [ 8320.432914][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8320.433162][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8320.433162][ T73] dst_init+0x84/0x4a0 [ 8320.433162][ T73] dst_alloc+0x97/0x150 [ 8320.433162][ T73] ip6_dst_alloc+0x23/0x90 [ 8320.433162][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8320.433162][ T73] ip6_pol_route+0x56f/0x840 [ 8320.433162][ T73] fib6_rule_lookup+0x456/0x630 [ 8320.433162][ T73] ip6_route_input+0x59c/0xa50 [ 8320.433162][ T73] ipv6_rcv+0x397/0x810 [ 8320.433162][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8320.433162][ T73] process_backlog+0x101/0x620 [ 8320.433162][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8320.433162][ T73] net_rx_action+0x495/0xbe0 [ 8320.433162][ T73] __do_softirq+0x1b5/0x7f6 [ 8320.433162][ T73] [ 8320.434810][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8320.434810][ T73] netdev_get_by_index+0x5e/0x80 [ 8320.434810][ T73] fib6_nh_init+0x3d8/0x1580 [ 8320.434810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8320.434810][ T73] ip6_route_add+0x1c/0x140 [ 8320.434810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8320.434810][ T73] inet6_addr_add+0x4f8/0xa40 [ 8320.434810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.434810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.434810][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.434810][ T73] netlink_unicast+0x449/0x710 [ 8320.434810][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.434810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.434810][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.434810][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.434810][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.434810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.434810][ T73] [ 8320.436817][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8320.436817][ T73] netdev_get_by_index+0x5e/0x80 [ 8320.436817][ T73] fib6_nh_init+0x3d8/0x1580 [ 8320.436817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8320.436817][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8320.436817][ T73] ipv6_add_addr+0x411/0x2000 [ 8320.436817][ T73] inet6_addr_add+0x30e/0xa40 [ 8320.436817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.436817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.436817][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.436817][ T73] netlink_unicast+0x449/0x710 [ 8320.436817][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.436817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.436817][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.436817][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.436817][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.436817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.436817][ T73] [ 8320.438823][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8320.438823][ T73] netdev_get_by_index+0x5e/0x80 [ 8320.438823][ T73] fib6_nh_init+0x3d8/0x1580 [ 8320.438823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8320.438823][ T73] ip6_route_add+0x1c/0x140 [ 8320.438823][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8320.438823][ T73] addrconf_add_dev+0xe2/0x170 [ 8320.438823][ T73] inet6_addr_add+0x12f/0xa40 [ 8320.438823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8320.438823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.438823][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.438823][ T73] netlink_unicast+0x449/0x710 [ 8320.438823][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.438823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.438823][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.438823][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.438823][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.438823][ T73] [ 8320.440776][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8320.440776][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8320.440776][ T73] ipv6_find_idev+0x102/0x170 [ 8320.440776][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8320.440776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.440776][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.440776][ T73] netlink_unicast+0x449/0x710 [ 8320.440776][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.440776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.440776][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.440776][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.440776][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.440776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.440776][ T73] [ 8320.442315][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8320.442315][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8320.442315][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8320.442315][ T73] ipv6_find_idev+0x102/0x170 [ 8320.442315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8320.442315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8320.442315][ T73] netlink_rcv_skb+0x130/0x360 [ 8320.442315][ T73] netlink_unicast+0x449/0x710 [ 8320.442315][ T73] netlink_sendmsg+0x723/0xbe0 [ 8320.442315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8320.442315][ T73] ___sys_sendmsg+0xee/0x170 [ 8320.442315][ T73] __sys_sendmsg+0xcd/0x170 [ 8320.442315][ T73] do_syscall_64+0xc6/0x1e0 [ 8320.442315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8320.442315][ T73] [ 8330.093655][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8330.094160][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8330.094160][ T1076] netdev_get_by_index+0x5e/0x80 [ 8330.094160][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8330.094160][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8330.094160][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8330.094160][ T1076] ipv6_add_addr+0x411/0x2000 [ 8330.094160][ T1076] inet6_addr_add+0x30e/0xa40 [ 8330.094160][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.094160][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.094160][ T1076] netlink_rcv_skb+0x130/0x360 [ 8330.094160][ T1076] netlink_unicast+0x449/0x710 [ 8330.094160][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8330.094160][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8330.094160][ T1076] ___sys_sendmsg+0xee/0x170 [ 8330.094160][ T1076] __sys_sendmsg+0xcd/0x170 [ 8330.094160][ T1076] do_syscall_64+0xc6/0x1e0 [ 8330.094160][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.094160][ T1076] [ 8330.096563][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8330.096563][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8330.096563][ T1076] ipv6_find_idev+0x102/0x170 [ 8330.096563][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.096563][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.096563][ T1076] netlink_rcv_skb+0x130/0x360 [ 8330.096563][ T1076] netlink_unicast+0x449/0x710 [ 8330.096563][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8330.096563][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8330.096563][ T1076] ___sys_sendmsg+0xee/0x170 [ 8330.096563][ T1076] __sys_sendmsg+0xcd/0x170 [ 8330.096563][ T1076] do_syscall_64+0xc6/0x1e0 [ 8330.096563][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.096563][ T1076] [ 8330.098323][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8330.098323][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8330.098323][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8330.098323][ T1076] ipv6_find_idev+0x102/0x170 [ 8330.098323][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.098323][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.098323][ T1076] netlink_rcv_skb+0x130/0x360 [ 8330.098323][ T1076] netlink_unicast+0x449/0x710 [ 8330.098323][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8330.098323][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8330.098323][ T1076] ___sys_sendmsg+0xee/0x170 [ 8330.098323][ T1076] __sys_sendmsg+0xcd/0x170 [ 8330.098323][ T1076] do_syscall_64+0xc6/0x1e0 [ 8330.098323][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.098323][ T1076] [ 8330.685649][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8330.686074][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8330.686074][ T73] dst_init+0x84/0x4a0 [ 8330.686074][ T73] dst_alloc+0x97/0x150 [ 8330.686074][ T73] ip6_dst_alloc+0x23/0x90 [ 8330.686074][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8330.686074][ T73] ip6_pol_route+0x56f/0x840 [ 8330.686074][ T73] fib6_rule_lookup+0x456/0x630 [ 8330.686074][ T73] ip6_route_input+0x59c/0xa50 [ 8330.686074][ T73] ipv6_rcv+0x397/0x810 [ 8330.686074][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8330.686074][ T73] process_backlog+0x101/0x620 [ 8330.686074][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8330.686074][ T73] net_rx_action+0x495/0xbe0 [ 8330.686074][ T73] __do_softirq+0x1b5/0x7f6 [ 8330.686074][ T73] [ 8330.687731][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8330.687731][ T73] netdev_get_by_index+0x5e/0x80 [ 8330.687731][ T73] fib6_nh_init+0x3d8/0x1580 [ 8330.687731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8330.687731][ T73] ip6_route_add+0x1c/0x140 [ 8330.687731][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8330.687731][ T73] inet6_addr_add+0x4f8/0xa40 [ 8330.687731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.687731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.687731][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.687731][ T73] netlink_unicast+0x449/0x710 [ 8330.687731][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.687731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.687731][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.687731][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.687731][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.687731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.687731][ T73] [ 8330.689857][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8330.689857][ T73] netdev_get_by_index+0x5e/0x80 [ 8330.689857][ T73] fib6_nh_init+0x3d8/0x1580 [ 8330.689857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8330.689857][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8330.689857][ T73] ipv6_add_addr+0x411/0x2000 [ 8330.689857][ T73] inet6_addr_add+0x30e/0xa40 [ 8330.689857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.689857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.689857][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.689857][ T73] netlink_unicast+0x449/0x710 [ 8330.689857][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.689857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.689857][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.689857][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.689857][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.689857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.689857][ T73] [ 8330.691916][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8330.691916][ T73] netdev_get_by_index+0x5e/0x80 [ 8330.691916][ T73] fib6_nh_init+0x3d8/0x1580 [ 8330.691916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8330.691916][ T73] ip6_route_add+0x1c/0x140 [ 8330.691916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8330.691916][ T73] addrconf_add_dev+0xe2/0x170 [ 8330.691916][ T73] inet6_addr_add+0x12f/0xa40 [ 8330.691916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.691916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.691916][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.691916][ T73] netlink_unicast+0x449/0x710 [ 8330.691916][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.691916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.691916][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.691916][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.691916][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.691916][ T73] [ 8330.693876][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8330.693876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8330.693876][ T73] ipv6_find_idev+0x102/0x170 [ 8330.693876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.693876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.693876][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.693876][ T73] netlink_unicast+0x449/0x710 [ 8330.693876][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.693876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.693876][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.693876][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.693876][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.693876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.693876][ T73] [ 8330.695422][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8330.695422][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8330.695422][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8330.695422][ T73] ipv6_find_idev+0x102/0x170 [ 8330.695422][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.695422][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.695422][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.695422][ T73] netlink_unicast+0x449/0x710 [ 8330.695422][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.695422][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.695422][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.695422][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.695422][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.695422][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.695422][ T73] [ 8330.697111][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8330.697353][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8330.697353][ T73] dst_init+0x84/0x4a0 [ 8330.697353][ T73] dst_alloc+0x97/0x150 [ 8330.697353][ T73] ip6_dst_alloc+0x23/0x90 [ 8330.697353][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8330.697353][ T73] ip6_pol_route+0x56f/0x840 [ 8330.697353][ T73] fib6_rule_lookup+0x456/0x630 [ 8330.697353][ T73] ip6_route_input+0x59c/0xa50 [ 8330.697353][ T73] ipv6_rcv+0x397/0x810 [ 8330.697353][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8330.697353][ T73] process_backlog+0x101/0x620 [ 8330.697353][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8330.697353][ T73] net_rx_action+0x495/0xbe0 [ 8330.697353][ T73] __do_softirq+0x1b5/0x7f6 [ 8330.697353][ T73] [ 8330.699002][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8330.699002][ T73] netdev_get_by_index+0x5e/0x80 [ 8330.699002][ T73] fib6_nh_init+0x3d8/0x1580 [ 8330.699002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8330.699002][ T73] ip6_route_add+0x1c/0x140 [ 8330.699002][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8330.699002][ T73] inet6_addr_add+0x4f8/0xa40 [ 8330.699002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.699002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.699002][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.699002][ T73] netlink_unicast+0x449/0x710 [ 8330.699002][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.699002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.699002][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.699002][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.699002][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.699002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.699002][ T73] [ 8330.701125][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8330.701125][ T73] netdev_get_by_index+0x5e/0x80 [ 8330.701125][ T73] fib6_nh_init+0x3d8/0x1580 [ 8330.701125][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8330.701125][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8330.701125][ T73] ipv6_add_addr+0x411/0x2000 [ 8330.701125][ T73] inet6_addr_add+0x30e/0xa40 [ 8330.701125][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.701125][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.701125][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.701125][ T73] netlink_unicast+0x449/0x710 [ 8330.701125][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.701125][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.701125][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.701125][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.701125][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.701125][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.701125][ T73] [ 8330.703238][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8330.703238][ T73] netdev_get_by_index+0x5e/0x80 [ 8330.703238][ T73] fib6_nh_init+0x3d8/0x1580 [ 8330.703238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8330.703238][ T73] ip6_route_add+0x1c/0x140 [ 8330.703238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8330.703238][ T73] addrconf_add_dev+0xe2/0x170 [ 8330.703238][ T73] inet6_addr_add+0x12f/0xa40 [ 8330.703238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8330.703238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.703238][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.703238][ T73] netlink_unicast+0x449/0x710 [ 8330.703238][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.703238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.703238][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.703238][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.703238][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.703238][ T73] [ 8330.705315][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8330.705315][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8330.705315][ T73] ipv6_find_idev+0x102/0x170 [ 8330.705315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.705315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.705315][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.705315][ T73] netlink_unicast+0x449/0x710 [ 8330.705315][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.705315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.705315][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.705315][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.705315][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.705315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.705315][ T73] [ 8330.706961][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8330.706961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8330.706961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8330.706961][ T73] ipv6_find_idev+0x102/0x170 [ 8330.706961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8330.706961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8330.706961][ T73] netlink_rcv_skb+0x130/0x360 [ 8330.706961][ T73] netlink_unicast+0x449/0x710 [ 8330.706961][ T73] netlink_sendmsg+0x723/0xbe0 [ 8330.706961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8330.706961][ T73] ___sys_sendmsg+0xee/0x170 [ 8330.706961][ T73] __sys_sendmsg+0xcd/0x170 [ 8330.706961][ T73] do_syscall_64+0xc6/0x1e0 [ 8330.706961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8330.706961][ T73] [ 8340.341646][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8340.342179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8340.342179][ T1076] netdev_get_by_index+0x5e/0x80 [ 8340.342179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8340.342179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8340.342179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8340.342179][ T1076] ipv6_add_addr+0x411/0x2000 [ 8340.342179][ T1076] inet6_addr_add+0x30e/0xa40 [ 8340.342179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.342179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.342179][ T1076] netlink_rcv_skb+0x130/0x360 [ 8340.342179][ T1076] netlink_unicast+0x449/0x710 [ 8340.342179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8340.342179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8340.342179][ T1076] ___sys_sendmsg+0xee/0x170 [ 8340.342179][ T1076] __sys_sendmsg+0xcd/0x170 [ 8340.342179][ T1076] do_syscall_64+0xc6/0x1e0 [ 8340.342179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.342179][ T1076] [ 8340.344471][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8340.344471][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8340.344471][ T1076] ipv6_find_idev+0x102/0x170 [ 8340.344471][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.344471][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.344471][ T1076] netlink_rcv_skb+0x130/0x360 [ 8340.344471][ T1076] netlink_unicast+0x449/0x710 [ 8340.344471][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8340.344471][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8340.344471][ T1076] ___sys_sendmsg+0xee/0x170 [ 8340.344471][ T1076] __sys_sendmsg+0xcd/0x170 [ 8340.344471][ T1076] do_syscall_64+0xc6/0x1e0 [ 8340.344471][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.344471][ T1076] [ 8340.346258][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8340.346258][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8340.346258][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8340.346258][ T1076] ipv6_find_idev+0x102/0x170 [ 8340.346258][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.346258][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.346258][ T1076] netlink_rcv_skb+0x130/0x360 [ 8340.346258][ T1076] netlink_unicast+0x449/0x710 [ 8340.346258][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8340.346258][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8340.346258][ T1076] ___sys_sendmsg+0xee/0x170 [ 8340.346258][ T1076] __sys_sendmsg+0xcd/0x170 [ 8340.346258][ T1076] do_syscall_64+0xc6/0x1e0 [ 8340.346258][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.346258][ T1076] [ 8340.949716][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8340.950146][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8340.950146][ T73] dst_init+0x84/0x4a0 [ 8340.950146][ T73] dst_alloc+0x97/0x150 [ 8340.950146][ T73] ip6_dst_alloc+0x23/0x90 [ 8340.950146][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8340.950146][ T73] ip6_pol_route+0x56f/0x840 [ 8340.950146][ T73] fib6_rule_lookup+0x456/0x630 [ 8340.950146][ T73] ip6_route_input+0x59c/0xa50 [ 8340.950146][ T73] ipv6_rcv+0x397/0x810 [ 8340.950146][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8340.950146][ T73] process_backlog+0x101/0x620 [ 8340.950146][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8340.950146][ T73] net_rx_action+0x495/0xbe0 [ 8340.950146][ T73] __do_softirq+0x1b5/0x7f6 [ 8340.950146][ T73] [ 8340.951827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8340.951827][ T73] netdev_get_by_index+0x5e/0x80 [ 8340.951827][ T73] fib6_nh_init+0x3d8/0x1580 [ 8340.951827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8340.951827][ T73] ip6_route_add+0x1c/0x140 [ 8340.951827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8340.951827][ T73] inet6_addr_add+0x4f8/0xa40 [ 8340.951827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.951827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.951827][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.951827][ T73] netlink_unicast+0x449/0x710 [ 8340.951827][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.951827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.951827][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.951827][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.951827][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.951827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.951827][ T73] [ 8340.953887][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8340.953887][ T73] netdev_get_by_index+0x5e/0x80 [ 8340.953887][ T73] fib6_nh_init+0x3d8/0x1580 [ 8340.953887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8340.953887][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8340.953887][ T73] ipv6_add_addr+0x411/0x2000 [ 8340.953887][ T73] inet6_addr_add+0x30e/0xa40 [ 8340.953887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.953887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.953887][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.953887][ T73] netlink_unicast+0x449/0x710 [ 8340.953887][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.953887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.953887][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.953887][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.953887][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.953887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.953887][ T73] [ 8340.955916][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8340.955916][ T73] netdev_get_by_index+0x5e/0x80 [ 8340.955916][ T73] fib6_nh_init+0x3d8/0x1580 [ 8340.955916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8340.955916][ T73] ip6_route_add+0x1c/0x140 [ 8340.955916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8340.955916][ T73] addrconf_add_dev+0xe2/0x170 [ 8340.955916][ T73] inet6_addr_add+0x12f/0xa40 [ 8340.955916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.955916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.955916][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.955916][ T73] netlink_unicast+0x449/0x710 [ 8340.955916][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.955916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.955916][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.955916][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.955916][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.955916][ T73] [ 8340.957917][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8340.957917][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8340.957917][ T73] ipv6_find_idev+0x102/0x170 [ 8340.957917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.957917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.957917][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.957917][ T73] netlink_unicast+0x449/0x710 [ 8340.957917][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.957917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.957917][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.957917][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.957917][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.957917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.957917][ T73] [ 8340.959477][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8340.959477][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8340.959477][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8340.959477][ T73] ipv6_find_idev+0x102/0x170 [ 8340.959477][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.959477][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.959477][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.959477][ T73] netlink_unicast+0x449/0x710 [ 8340.959477][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.959477][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.959477][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.959477][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.959477][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.959477][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.959477][ T73] [ 8340.961200][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8340.961460][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8340.961460][ T73] dst_init+0x84/0x4a0 [ 8340.961460][ T73] dst_alloc+0x97/0x150 [ 8340.961460][ T73] ip6_dst_alloc+0x23/0x90 [ 8340.961460][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8340.961460][ T73] ip6_pol_route+0x56f/0x840 [ 8340.961460][ T73] fib6_rule_lookup+0x456/0x630 [ 8340.961460][ T73] ip6_route_input+0x59c/0xa50 [ 8340.961460][ T73] ipv6_rcv+0x397/0x810 [ 8340.961460][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8340.961460][ T73] process_backlog+0x101/0x620 [ 8340.961460][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8340.961460][ T73] net_rx_action+0x495/0xbe0 [ 8340.961460][ T73] __do_softirq+0x1b5/0x7f6 [ 8340.961460][ T73] [ 8340.963116][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8340.963116][ T73] netdev_get_by_index+0x5e/0x80 [ 8340.963116][ T73] fib6_nh_init+0x3d8/0x1580 [ 8340.963116][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8340.963116][ T73] ip6_route_add+0x1c/0x140 [ 8340.963116][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8340.963116][ T73] inet6_addr_add+0x4f8/0xa40 [ 8340.963116][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.963116][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.963116][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.963116][ T73] netlink_unicast+0x449/0x710 [ 8340.963116][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.963116][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.963116][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.963116][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.963116][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.963116][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.963116][ T73] [ 8340.965235][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8340.965235][ T73] netdev_get_by_index+0x5e/0x80 [ 8340.965235][ T73] fib6_nh_init+0x3d8/0x1580 [ 8340.965235][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8340.965235][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8340.965235][ T73] ipv6_add_addr+0x411/0x2000 [ 8340.965235][ T73] inet6_addr_add+0x30e/0xa40 [ 8340.965235][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.965235][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.965235][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.965235][ T73] netlink_unicast+0x449/0x710 [ 8340.965235][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.965235][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.965235][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.965235][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.965235][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.965235][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.965235][ T73] [ 8340.967253][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8340.967253][ T73] netdev_get_by_index+0x5e/0x80 [ 8340.967253][ T73] fib6_nh_init+0x3d8/0x1580 [ 8340.967253][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8340.967253][ T73] ip6_route_add+0x1c/0x140 [ 8340.967253][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8340.967253][ T73] addrconf_add_dev+0xe2/0x170 [ 8340.967253][ T73] inet6_addr_add+0x12f/0xa40 [ 8340.967253][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8340.967253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.967253][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.967253][ T73] netlink_unicast+0x449/0x710 [ 8340.967253][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.967253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.967253][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.967253][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.967253][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.967253][ T73] [ 8340.969242][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8340.969242][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8340.969242][ T73] ipv6_find_idev+0x102/0x170 [ 8340.969242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.969242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.969242][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.969242][ T73] netlink_unicast+0x449/0x710 [ 8340.969242][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.969242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.969242][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.969242][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.969242][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.969242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.969242][ T73] [ 8340.970809][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8340.970809][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8340.970809][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8340.970809][ T73] ipv6_find_idev+0x102/0x170 [ 8340.970809][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8340.970809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8340.970809][ T73] netlink_rcv_skb+0x130/0x360 [ 8340.970809][ T73] netlink_unicast+0x449/0x710 [ 8340.970809][ T73] netlink_sendmsg+0x723/0xbe0 [ 8340.970809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8340.970809][ T73] ___sys_sendmsg+0xee/0x170 [ 8340.970809][ T73] __sys_sendmsg+0xcd/0x170 [ 8340.970809][ T73] do_syscall_64+0xc6/0x1e0 [ 8340.970809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8340.970809][ T73] [ 8350.589731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8350.590226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8350.590226][ T1076] netdev_get_by_index+0x5e/0x80 [ 8350.590226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8350.590226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8350.590226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8350.590226][ T1076] ipv6_add_addr+0x411/0x2000 [ 8350.590226][ T1076] inet6_addr_add+0x30e/0xa40 [ 8350.590226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8350.590226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.590226][ T1076] netlink_rcv_skb+0x130/0x360 [ 8350.590226][ T1076] netlink_unicast+0x449/0x710 [ 8350.590226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8350.590226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8350.590226][ T1076] ___sys_sendmsg+0xee/0x170 [ 8350.590226][ T1076] __sys_sendmsg+0xcd/0x170 [ 8350.590226][ T1076] do_syscall_64+0xc6/0x1e0 [ 8350.590226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.590226][ T1076] [ 8350.592492][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8350.592492][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8350.592492][ T1076] ipv6_find_idev+0x102/0x170 [ 8350.592492][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8350.592492][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.592492][ T1076] netlink_rcv_skb+0x130/0x360 [ 8350.592492][ T1076] netlink_unicast+0x449/0x710 [ 8350.592492][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8350.592492][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8350.592492][ T1076] ___sys_sendmsg+0xee/0x170 [ 8350.592492][ T1076] __sys_sendmsg+0xcd/0x170 [ 8350.592492][ T1076] do_syscall_64+0xc6/0x1e0 [ 8350.592492][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.592492][ T1076] [ 8350.594225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8350.594225][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8350.594225][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8350.594225][ T1076] ipv6_find_idev+0x102/0x170 [ 8350.594225][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8350.594225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8350.594225][ T1076] netlink_rcv_skb+0x130/0x360 [ 8350.594225][ T1076] netlink_unicast+0x449/0x710 [ 8350.594225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8350.594225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8350.594225][ T1076] ___sys_sendmsg+0xee/0x170 [ 8350.594225][ T1076] __sys_sendmsg+0xcd/0x170 [ 8350.594225][ T1076] do_syscall_64+0xc6/0x1e0 [ 8350.594225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8350.594225][ T1076] [ 8351.213657][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8351.214126][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8351.214126][ T73] dst_init+0x84/0x4a0 [ 8351.214126][ T73] dst_alloc+0x97/0x150 [ 8351.214126][ T73] ip6_dst_alloc+0x23/0x90 [ 8351.214126][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8351.214126][ T73] ip6_pol_route+0x56f/0x840 [ 8351.214126][ T73] fib6_rule_lookup+0x456/0x630 [ 8351.214126][ T73] ip6_route_input+0x59c/0xa50 [ 8351.214126][ T73] ipv6_rcv+0x397/0x810 [ 8351.214126][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8351.214126][ T73] process_backlog+0x101/0x620 [ 8351.214126][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8351.214126][ T73] net_rx_action+0x495/0xbe0 [ 8351.214126][ T73] __do_softirq+0x1b5/0x7f6 [ 8351.214126][ T73] [ 8351.215853][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8351.215853][ T73] netdev_get_by_index+0x5e/0x80 [ 8351.215853][ T73] fib6_nh_init+0x3d8/0x1580 [ 8351.215853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8351.215853][ T73] ip6_route_add+0x1c/0x140 [ 8351.215853][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8351.215853][ T73] inet6_addr_add+0x4f8/0xa40 [ 8351.215853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.215853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.215853][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.215853][ T73] netlink_unicast+0x449/0x710 [ 8351.215853][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.215853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.215853][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.215853][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.215853][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.215853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.215853][ T73] [ 8351.217892][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8351.217892][ T73] netdev_get_by_index+0x5e/0x80 [ 8351.217892][ T73] fib6_nh_init+0x3d8/0x1580 [ 8351.217892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8351.217892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8351.217892][ T73] ipv6_add_addr+0x411/0x2000 [ 8351.217892][ T73] inet6_addr_add+0x30e/0xa40 [ 8351.217892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.217892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.217892][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.217892][ T73] netlink_unicast+0x449/0x710 [ 8351.217892][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.217892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.217892][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.217892][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.217892][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.217892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.217892][ T73] [ 8351.219936][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8351.219936][ T73] netdev_get_by_index+0x5e/0x80 [ 8351.219936][ T73] fib6_nh_init+0x3d8/0x1580 [ 8351.219936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8351.219936][ T73] ip6_route_add+0x1c/0x140 [ 8351.219936][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8351.219936][ T73] addrconf_add_dev+0xe2/0x170 [ 8351.219936][ T73] inet6_addr_add+0x12f/0xa40 [ 8351.219936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.219936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.219936][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.219936][ T73] netlink_unicast+0x449/0x710 [ 8351.219936][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.219936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.219936][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.219936][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.219936][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.219936][ T73] [ 8351.221919][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8351.221919][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8351.221919][ T73] ipv6_find_idev+0x102/0x170 [ 8351.221919][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8351.221919][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.221919][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.221919][ T73] netlink_unicast+0x449/0x710 [ 8351.221919][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.221919][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.221919][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.221919][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.221919][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.221919][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.221919][ T73] [ 8351.223468][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8351.223468][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8351.223468][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8351.223468][ T73] ipv6_find_idev+0x102/0x170 [ 8351.223468][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8351.223468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.223468][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.223468][ T73] netlink_unicast+0x449/0x710 [ 8351.223468][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.223468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.223468][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.223468][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.223468][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.223468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.223468][ T73] [ 8351.225191][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8351.225434][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8351.225434][ T73] dst_init+0x84/0x4a0 [ 8351.225434][ T73] dst_alloc+0x97/0x150 [ 8351.225434][ T73] ip6_dst_alloc+0x23/0x90 [ 8351.225434][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8351.225434][ T73] ip6_pol_route+0x56f/0x840 [ 8351.225434][ T73] fib6_rule_lookup+0x456/0x630 [ 8351.225434][ T73] ip6_route_input+0x59c/0xa50 [ 8351.225434][ T73] ipv6_rcv+0x397/0x810 [ 8351.225434][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8351.225434][ T73] process_backlog+0x101/0x620 [ 8351.225434][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8351.225434][ T73] net_rx_action+0x495/0xbe0 [ 8351.225434][ T73] __do_softirq+0x1b5/0x7f6 [ 8351.225434][ T73] [ 8351.227101][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8351.227101][ T73] netdev_get_by_index+0x5e/0x80 [ 8351.227101][ T73] fib6_nh_init+0x3d8/0x1580 [ 8351.227101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8351.227101][ T73] ip6_route_add+0x1c/0x140 [ 8351.227101][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8351.227101][ T73] inet6_addr_add+0x4f8/0xa40 [ 8351.227101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.227101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.227101][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.227101][ T73] netlink_unicast+0x449/0x710 [ 8351.227101][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.227101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.227101][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.227101][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.227101][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.227101][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.227101][ T73] [ 8351.229132][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8351.229132][ T73] netdev_get_by_index+0x5e/0x80 [ 8351.229132][ T73] fib6_nh_init+0x3d8/0x1580 [ 8351.229132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8351.229132][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8351.229132][ T73] ipv6_add_addr+0x411/0x2000 [ 8351.229132][ T73] inet6_addr_add+0x30e/0xa40 [ 8351.229132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.229132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.229132][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.229132][ T73] netlink_unicast+0x449/0x710 [ 8351.229132][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.229132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.229132][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.229132][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.229132][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.229132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.229132][ T73] [ 8351.231164][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8351.231164][ T73] netdev_get_by_index+0x5e/0x80 [ 8351.231164][ T73] fib6_nh_init+0x3d8/0x1580 [ 8351.231164][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8351.231164][ T73] ip6_route_add+0x1c/0x140 [ 8351.231164][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8351.231164][ T73] addrconf_add_dev+0xe2/0x170 [ 8351.231164][ T73] inet6_addr_add+0x12f/0xa40 [ 8351.231164][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8351.231164][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.231164][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.231164][ T73] netlink_unicast+0x449/0x710 [ 8351.231164][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.231164][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.231164][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.231164][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.231164][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.231164][ T73] [ 8351.233154][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8351.233154][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8351.233154][ T73] ipv6_find_idev+0x102/0x170 [ 8351.233154][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8351.233154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.233154][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.233154][ T73] netlink_unicast+0x449/0x710 [ 8351.233154][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.233154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.233154][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.233154][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.233154][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.233154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.233154][ T73] [ 8351.234737][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8351.234737][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8351.234737][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8351.234737][ T73] ipv6_find_idev+0x102/0x170 [ 8351.234737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8351.234737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8351.234737][ T73] netlink_rcv_skb+0x130/0x360 [ 8351.234737][ T73] netlink_unicast+0x449/0x710 [ 8351.234737][ T73] netlink_sendmsg+0x723/0xbe0 [ 8351.234737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8351.234737][ T73] ___sys_sendmsg+0xee/0x170 [ 8351.234737][ T73] __sys_sendmsg+0xcd/0x170 [ 8351.234737][ T73] do_syscall_64+0xc6/0x1e0 [ 8351.234737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8351.234737][ T73] [ 8357.157744][ T42] INFO: task modprobe:1264 blocked for more than 1105 seconds. [ 8357.158104][ T42] Not tainted 6.8.0-virtme #1 [ 8357.158241][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8357.158438][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 8357.158709][ T42] Call Trace: [ 8357.158805][ T42] [ 8357.158875][ T42] __schedule+0x705/0x1ac0 [ 8357.159012][ T42] ? __pfx___schedule+0x10/0x10 [ 8357.159135][ T42] ? schedule+0x1a5/0x210 [ 8357.159232][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8357.159367][ T42] ? mark_lock+0x38/0x3e0 [ 8357.159460][ T42] ? do_raw_spin_lock+0x131/0x270 [ 8357.159586][ T42] ? schedule+0x1a5/0x210 [ 8357.159697][ T42] schedule+0xdf/0x210 [ 8357.159796][ T42] schedule_preempt_disabled+0x15/0x30 [ 8357.159920][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 8357.160049][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 8357.160204][ T42] ? kasan_save_stack+0x34/0x50 [ 8357.160333][ T42] ? kasan_save_stack+0x24/0x50 [ 8357.160457][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8357.160586][ T42] ? lock_acquire+0x1c1/0x220 [ 8357.160721][ T42] ? register_pernet_subsys+0x1a/0x50 [ 8357.160856][ T42] down_write+0x1c9/0x200 [ 8357.160951][ T42] ? __pfx_down_write+0x10/0x10 [ 8357.161073][ T42] ? __pfx___lock_release+0x10/0x10 [ 8357.161201][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 8357.161366][ T42] register_pernet_subsys+0x1a/0x50 [ 8357.161492][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 8357.161655][ T42] do_one_initcall+0xc8/0x3f0 [ 8357.161779][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 8357.161906][ T42] ? __create_object+0x5e/0xb0 [ 8357.162032][ T42] ? kasan_unpoison+0x27/0x60 [ 8357.162159][ T42] do_init_module+0x233/0x740 [ 8357.162294][ T42] load_module+0x16b5/0x2350 [ 8357.162433][ T42] ? __pfx_load_module+0x10/0x10 [ 8357.162557][ T42] ? kernel_read_file+0x3d2/0x520 [ 8357.162694][ T42] ? kernel_read_file+0x300/0x520 [ 8357.162820][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 8357.162949][ T42] ? init_module_from_file+0xd2/0x130 [ 8357.163075][ T42] init_module_from_file+0xd2/0x130 [ 8357.163197][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 8357.163347][ T42] ? __lock_release+0x103/0x460 [ 8357.163472][ T42] ? idempotent_init_module+0x32a/0x620 [ 8357.163618][ T42] ? idempotent_init_module+0x32a/0x620 [ 8357.163741][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 8357.163869][ T42] idempotent_init_module+0x342/0x620 [ 8357.163994][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 8357.164166][ T42] __x64_sys_finit_module+0xbe/0x130 [ 8357.164290][ T42] do_syscall_64+0xc6/0x1e0 [ 8357.164960][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8357.165113][ T42] RIP: 0033:0x7f6e8f82ce5d [ 8357.165245][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8357.165428][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 8357.165622][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 8357.165805][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 8357.165990][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 8357.166169][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 8357.166365][ T42] [ 8357.166458][ T42] [ 8357.166458][ T42] Showing all locks held in the system: [ 8357.166641][ T42] 1 lock held by khungtaskd/42: [ 8357.166764][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 8357.166990][ T42] 3 locks held by kworker/u16:1/73: [ 8357.167106][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8357.167352][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8357.167570][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 8357.167797][ T42] 2 locks held by kworker/u20:1/76: [ 8357.167915][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8357.168157][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8357.168435][ T42] 1 lock held by modprobe/1264: [ 8357.168552][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 8357.168803][ T42] [ 8357.168866][ T42] ============================================= [ 8357.168866][ T42] [ 8360.837702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8360.838197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8360.838197][ T1076] netdev_get_by_index+0x5e/0x80 [ 8360.838197][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8360.838197][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8360.838197][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8360.838197][ T1076] ipv6_add_addr+0x411/0x2000 [ 8360.838197][ T1076] inet6_addr_add+0x30e/0xa40 [ 8360.838197][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8360.838197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.838197][ T1076] netlink_rcv_skb+0x130/0x360 [ 8360.838197][ T1076] netlink_unicast+0x449/0x710 [ 8360.838197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8360.838197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8360.838197][ T1076] ___sys_sendmsg+0xee/0x170 [ 8360.838197][ T1076] __sys_sendmsg+0xcd/0x170 [ 8360.838197][ T1076] do_syscall_64+0xc6/0x1e0 [ 8360.838197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.838197][ T1076] [ 8360.840450][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8360.840450][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8360.840450][ T1076] ipv6_find_idev+0x102/0x170 [ 8360.840450][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8360.840450][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.840450][ T1076] netlink_rcv_skb+0x130/0x360 [ 8360.840450][ T1076] netlink_unicast+0x449/0x710 [ 8360.840450][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8360.840450][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8360.840450][ T1076] ___sys_sendmsg+0xee/0x170 [ 8360.840450][ T1076] __sys_sendmsg+0xcd/0x170 [ 8360.840450][ T1076] do_syscall_64+0xc6/0x1e0 [ 8360.840450][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.840450][ T1076] [ 8360.842176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8360.842176][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8360.842176][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8360.842176][ T1076] ipv6_find_idev+0x102/0x170 [ 8360.842176][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8360.842176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8360.842176][ T1076] netlink_rcv_skb+0x130/0x360 [ 8360.842176][ T1076] netlink_unicast+0x449/0x710 [ 8360.842176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8360.842176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8360.842176][ T1076] ___sys_sendmsg+0xee/0x170 [ 8360.842176][ T1076] __sys_sendmsg+0xcd/0x170 [ 8360.842176][ T1076] do_syscall_64+0xc6/0x1e0 [ 8360.842176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8360.842176][ T1076] [ 8361.477708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8361.478140][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8361.478140][ T73] dst_init+0x84/0x4a0 [ 8361.478140][ T73] dst_alloc+0x97/0x150 [ 8361.478140][ T73] ip6_dst_alloc+0x23/0x90 [ 8361.478140][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8361.478140][ T73] ip6_pol_route+0x56f/0x840 [ 8361.478140][ T73] fib6_rule_lookup+0x456/0x630 [ 8361.478140][ T73] ip6_route_input+0x59c/0xa50 [ 8361.478140][ T73] ipv6_rcv+0x397/0x810 [ 8361.478140][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8361.478140][ T73] process_backlog+0x101/0x620 [ 8361.478140][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8361.478140][ T73] net_rx_action+0x495/0xbe0 [ 8361.478140][ T73] __do_softirq+0x1b5/0x7f6 [ 8361.478140][ T73] [ 8361.479821][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8361.479821][ T73] netdev_get_by_index+0x5e/0x80 [ 8361.479821][ T73] fib6_nh_init+0x3d8/0x1580 [ 8361.479821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8361.479821][ T73] ip6_route_add+0x1c/0x140 [ 8361.479821][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8361.479821][ T73] inet6_addr_add+0x4f8/0xa40 [ 8361.479821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.479821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.479821][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.479821][ T73] netlink_unicast+0x449/0x710 [ 8361.479821][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.479821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.479821][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.479821][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.479821][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.479821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.479821][ T73] [ 8361.481838][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8361.481838][ T73] netdev_get_by_index+0x5e/0x80 [ 8361.481838][ T73] fib6_nh_init+0x3d8/0x1580 [ 8361.481838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8361.481838][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8361.481838][ T73] ipv6_add_addr+0x411/0x2000 [ 8361.481838][ T73] inet6_addr_add+0x30e/0xa40 [ 8361.481838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.481838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.481838][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.481838][ T73] netlink_unicast+0x449/0x710 [ 8361.481838][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.481838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.481838][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.481838][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.481838][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.481838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.481838][ T73] [ 8361.483844][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8361.483844][ T73] netdev_get_by_index+0x5e/0x80 [ 8361.483844][ T73] fib6_nh_init+0x3d8/0x1580 [ 8361.483844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8361.483844][ T73] ip6_route_add+0x1c/0x140 [ 8361.483844][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8361.483844][ T73] addrconf_add_dev+0xe2/0x170 [ 8361.483844][ T73] inet6_addr_add+0x12f/0xa40 [ 8361.483844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.483844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.483844][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.483844][ T73] netlink_unicast+0x449/0x710 [ 8361.483844][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.483844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.483844][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.483844][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.483844][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.483844][ T73] [ 8361.485839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8361.485839][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8361.485839][ T73] ipv6_find_idev+0x102/0x170 [ 8361.485839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8361.485839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.485839][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.485839][ T73] netlink_unicast+0x449/0x710 [ 8361.485839][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.485839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.485839][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.485839][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.485839][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.485839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.485839][ T73] [ 8361.487391][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8361.487391][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8361.487391][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8361.487391][ T73] ipv6_find_idev+0x102/0x170 [ 8361.487391][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8361.487391][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.487391][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.487391][ T73] netlink_unicast+0x449/0x710 [ 8361.487391][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.487391][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.487391][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.487391][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.487391][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.487391][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.487391][ T73] [ 8361.489108][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8361.489352][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8361.489352][ T73] dst_init+0x84/0x4a0 [ 8361.489352][ T73] dst_alloc+0x97/0x150 [ 8361.489352][ T73] ip6_dst_alloc+0x23/0x90 [ 8361.489352][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8361.489352][ T73] ip6_pol_route+0x56f/0x840 [ 8361.489352][ T73] fib6_rule_lookup+0x456/0x630 [ 8361.489352][ T73] ip6_route_input+0x59c/0xa50 [ 8361.489352][ T73] ipv6_rcv+0x397/0x810 [ 8361.489352][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8361.489352][ T73] process_backlog+0x101/0x620 [ 8361.489352][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8361.489352][ T73] net_rx_action+0x495/0xbe0 [ 8361.489352][ T73] __do_softirq+0x1b5/0x7f6 [ 8361.489352][ T73] [ 8361.490999][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8361.490999][ T73] netdev_get_by_index+0x5e/0x80 [ 8361.490999][ T73] fib6_nh_init+0x3d8/0x1580 [ 8361.490999][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8361.490999][ T73] ip6_route_add+0x1c/0x140 [ 8361.490999][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8361.490999][ T73] inet6_addr_add+0x4f8/0xa40 [ 8361.490999][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.490999][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.490999][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.490999][ T73] netlink_unicast+0x449/0x710 [ 8361.490999][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.490999][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.490999][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.490999][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.490999][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.490999][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.490999][ T73] [ 8361.493024][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8361.493024][ T73] netdev_get_by_index+0x5e/0x80 [ 8361.493024][ T73] fib6_nh_init+0x3d8/0x1580 [ 8361.493024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8361.493024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8361.493024][ T73] ipv6_add_addr+0x411/0x2000 [ 8361.493024][ T73] inet6_addr_add+0x30e/0xa40 [ 8361.493024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.493024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.493024][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.493024][ T73] netlink_unicast+0x449/0x710 [ 8361.493024][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.493024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.493024][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.493024][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.493024][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.493024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.493024][ T73] [ 8361.495061][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8361.495061][ T73] netdev_get_by_index+0x5e/0x80 [ 8361.495061][ T73] fib6_nh_init+0x3d8/0x1580 [ 8361.495061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8361.495061][ T73] ip6_route_add+0x1c/0x140 [ 8361.495061][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8361.495061][ T73] addrconf_add_dev+0xe2/0x170 [ 8361.495061][ T73] inet6_addr_add+0x12f/0xa40 [ 8361.495061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8361.495061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.495061][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.495061][ T73] netlink_unicast+0x449/0x710 [ 8361.495061][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.495061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.495061][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.495061][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.495061][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.495061][ T73] [ 8361.497035][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8361.497035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8361.497035][ T73] ipv6_find_idev+0x102/0x170 [ 8361.497035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8361.497035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.497035][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.497035][ T73] netlink_unicast+0x449/0x710 [ 8361.497035][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.497035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.497035][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.497035][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.497035][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.497035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.497035][ T73] [ 8361.498580][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8361.498580][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8361.498580][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8361.498580][ T73] ipv6_find_idev+0x102/0x170 [ 8361.498580][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8361.498580][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8361.498580][ T73] netlink_rcv_skb+0x130/0x360 [ 8361.498580][ T73] netlink_unicast+0x449/0x710 [ 8361.498580][ T73] netlink_sendmsg+0x723/0xbe0 [ 8361.498580][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8361.498580][ T73] ___sys_sendmsg+0xee/0x170 [ 8361.498580][ T73] __sys_sendmsg+0xcd/0x170 [ 8361.498580][ T73] do_syscall_64+0xc6/0x1e0 [ 8361.498580][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8361.498580][ T73] [ 8371.085730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8371.086288][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8371.086288][ T1076] netdev_get_by_index+0x5e/0x80 [ 8371.086288][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8371.086288][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8371.086288][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8371.086288][ T1076] ipv6_add_addr+0x411/0x2000 [ 8371.086288][ T1076] inet6_addr_add+0x30e/0xa40 [ 8371.086288][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.086288][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.086288][ T1076] netlink_rcv_skb+0x130/0x360 [ 8371.086288][ T1076] netlink_unicast+0x449/0x710 [ 8371.086288][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8371.086288][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8371.086288][ T1076] ___sys_sendmsg+0xee/0x170 [ 8371.086288][ T1076] __sys_sendmsg+0xcd/0x170 [ 8371.086288][ T1076] do_syscall_64+0xc6/0x1e0 [ 8371.086288][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.086288][ T1076] [ 8371.088565][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8371.088565][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8371.088565][ T1076] ipv6_find_idev+0x102/0x170 [ 8371.088565][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.088565][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.088565][ T1076] netlink_rcv_skb+0x130/0x360 [ 8371.088565][ T1076] netlink_unicast+0x449/0x710 [ 8371.088565][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8371.088565][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8371.088565][ T1076] ___sys_sendmsg+0xee/0x170 [ 8371.088565][ T1076] __sys_sendmsg+0xcd/0x170 [ 8371.088565][ T1076] do_syscall_64+0xc6/0x1e0 [ 8371.088565][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.088565][ T1076] [ 8371.090308][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8371.090308][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8371.090308][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8371.090308][ T1076] ipv6_find_idev+0x102/0x170 [ 8371.090308][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.090308][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.090308][ T1076] netlink_rcv_skb+0x130/0x360 [ 8371.090308][ T1076] netlink_unicast+0x449/0x710 [ 8371.090308][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8371.090308][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8371.090308][ T1076] ___sys_sendmsg+0xee/0x170 [ 8371.090308][ T1076] __sys_sendmsg+0xcd/0x170 [ 8371.090308][ T1076] do_syscall_64+0xc6/0x1e0 [ 8371.090308][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.090308][ T1076] [ 8371.741724][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8371.742163][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8371.742163][ T73] dst_init+0x84/0x4a0 [ 8371.742163][ T73] dst_alloc+0x97/0x150 [ 8371.742163][ T73] ip6_dst_alloc+0x23/0x90 [ 8371.742163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8371.742163][ T73] ip6_pol_route+0x56f/0x840 [ 8371.742163][ T73] fib6_rule_lookup+0x456/0x630 [ 8371.742163][ T73] ip6_route_input+0x59c/0xa50 [ 8371.742163][ T73] ipv6_rcv+0x397/0x810 [ 8371.742163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8371.742163][ T73] process_backlog+0x101/0x620 [ 8371.742163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8371.742163][ T73] net_rx_action+0x495/0xbe0 [ 8371.742163][ T73] __do_softirq+0x1b5/0x7f6 [ 8371.742163][ T73] [ 8371.743834][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8371.743834][ T73] netdev_get_by_index+0x5e/0x80 [ 8371.743834][ T73] fib6_nh_init+0x3d8/0x1580 [ 8371.743834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8371.743834][ T73] ip6_route_add+0x1c/0x140 [ 8371.743834][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8371.743834][ T73] inet6_addr_add+0x4f8/0xa40 [ 8371.743834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.743834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.743834][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.743834][ T73] netlink_unicast+0x449/0x710 [ 8371.743834][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.743834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.743834][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.743834][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.743834][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.743834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.743834][ T73] [ 8371.745871][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8371.745871][ T73] netdev_get_by_index+0x5e/0x80 [ 8371.745871][ T73] fib6_nh_init+0x3d8/0x1580 [ 8371.745871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8371.745871][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8371.745871][ T73] ipv6_add_addr+0x411/0x2000 [ 8371.745871][ T73] inet6_addr_add+0x30e/0xa40 [ 8371.745871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.745871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.745871][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.745871][ T73] netlink_unicast+0x449/0x710 [ 8371.745871][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.745871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.745871][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.745871][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.745871][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.745871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.745871][ T73] [ 8371.747882][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8371.747882][ T73] netdev_get_by_index+0x5e/0x80 [ 8371.747882][ T73] fib6_nh_init+0x3d8/0x1580 [ 8371.747882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8371.747882][ T73] ip6_route_add+0x1c/0x140 [ 8371.747882][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8371.747882][ T73] addrconf_add_dev+0xe2/0x170 [ 8371.747882][ T73] inet6_addr_add+0x12f/0xa40 [ 8371.747882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.747882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.747882][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.747882][ T73] netlink_unicast+0x449/0x710 [ 8371.747882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.747882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.747882][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.747882][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.747882][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.747882][ T73] [ 8371.749881][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8371.749881][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8371.749881][ T73] ipv6_find_idev+0x102/0x170 [ 8371.749881][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.749881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.749881][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.749881][ T73] netlink_unicast+0x449/0x710 [ 8371.749881][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.749881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.749881][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.749881][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.749881][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.749881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.749881][ T73] [ 8371.751439][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8371.751439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8371.751439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8371.751439][ T73] ipv6_find_idev+0x102/0x170 [ 8371.751439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.751439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.751439][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.751439][ T73] netlink_unicast+0x449/0x710 [ 8371.751439][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.751439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.751439][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.751439][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.751439][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.751439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.751439][ T73] [ 8371.753151][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8371.753397][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8371.753397][ T73] dst_init+0x84/0x4a0 [ 8371.753397][ T73] dst_alloc+0x97/0x150 [ 8371.753397][ T73] ip6_dst_alloc+0x23/0x90 [ 8371.753397][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8371.753397][ T73] ip6_pol_route+0x56f/0x840 [ 8371.753397][ T73] fib6_rule_lookup+0x456/0x630 [ 8371.753397][ T73] ip6_route_input+0x59c/0xa50 [ 8371.753397][ T73] ipv6_rcv+0x397/0x810 [ 8371.753397][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8371.753397][ T73] process_backlog+0x101/0x620 [ 8371.753397][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8371.753397][ T73] net_rx_action+0x495/0xbe0 [ 8371.753397][ T73] __do_softirq+0x1b5/0x7f6 [ 8371.753397][ T73] [ 8371.755055][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8371.755055][ T73] netdev_get_by_index+0x5e/0x80 [ 8371.755055][ T73] fib6_nh_init+0x3d8/0x1580 [ 8371.755055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8371.755055][ T73] ip6_route_add+0x1c/0x140 [ 8371.755055][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8371.755055][ T73] inet6_addr_add+0x4f8/0xa40 [ 8371.755055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.755055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.755055][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.755055][ T73] netlink_unicast+0x449/0x710 [ 8371.755055][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.755055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.755055][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.755055][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.755055][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.755055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.755055][ T73] [ 8371.757072][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8371.757072][ T73] netdev_get_by_index+0x5e/0x80 [ 8371.757072][ T73] fib6_nh_init+0x3d8/0x1580 [ 8371.757072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8371.757072][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8371.757072][ T73] ipv6_add_addr+0x411/0x2000 [ 8371.757072][ T73] inet6_addr_add+0x30e/0xa40 [ 8371.757072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.757072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.757072][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.757072][ T73] netlink_unicast+0x449/0x710 [ 8371.757072][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.757072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.757072][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.757072][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.757072][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.757072][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.757072][ T73] [ 8371.759087][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8371.759087][ T73] netdev_get_by_index+0x5e/0x80 [ 8371.759087][ T73] fib6_nh_init+0x3d8/0x1580 [ 8371.759087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8371.759087][ T73] ip6_route_add+0x1c/0x140 [ 8371.759087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8371.759087][ T73] addrconf_add_dev+0xe2/0x170 [ 8371.759087][ T73] inet6_addr_add+0x12f/0xa40 [ 8371.759087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8371.759087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.759087][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.759087][ T73] netlink_unicast+0x449/0x710 [ 8371.759087][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.759087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.759087][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.759087][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.759087][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.759087][ T73] [ 8371.761073][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8371.761073][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8371.761073][ T73] ipv6_find_idev+0x102/0x170 [ 8371.761073][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.761073][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.761073][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.761073][ T73] netlink_unicast+0x449/0x710 [ 8371.761073][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.761073][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.761073][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.761073][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.761073][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.761073][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.761073][ T73] [ 8371.762623][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8371.762623][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8371.762623][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8371.762623][ T73] ipv6_find_idev+0x102/0x170 [ 8371.762623][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8371.762623][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8371.762623][ T73] netlink_rcv_skb+0x130/0x360 [ 8371.762623][ T73] netlink_unicast+0x449/0x710 [ 8371.762623][ T73] netlink_sendmsg+0x723/0xbe0 [ 8371.762623][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8371.762623][ T73] ___sys_sendmsg+0xee/0x170 [ 8371.762623][ T73] __sys_sendmsg+0xcd/0x170 [ 8371.762623][ T73] do_syscall_64+0xc6/0x1e0 [ 8371.762623][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8371.762623][ T73] [ 8381.237805][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8381.238343][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8381.238343][ T1076] netdev_get_by_index+0x5e/0x80 [ 8381.238343][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8381.238343][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8381.238343][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8381.238343][ T1076] ipv6_add_addr+0x411/0x2000 [ 8381.238343][ T1076] inet6_addr_add+0x30e/0xa40 [ 8381.238343][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8381.238343][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.238343][ T1076] netlink_rcv_skb+0x130/0x360 [ 8381.238343][ T1076] netlink_unicast+0x449/0x710 [ 8381.238343][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8381.238343][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8381.238343][ T1076] ___sys_sendmsg+0xee/0x170 [ 8381.238343][ T1076] __sys_sendmsg+0xcd/0x170 [ 8381.238343][ T1076] do_syscall_64+0xc6/0x1e0 [ 8381.238343][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.238343][ T1076] [ 8381.240617][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8381.240617][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8381.240617][ T1076] ipv6_find_idev+0x102/0x170 [ 8381.240617][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8381.240617][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.240617][ T1076] netlink_rcv_skb+0x130/0x360 [ 8381.240617][ T1076] netlink_unicast+0x449/0x710 [ 8381.240617][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8381.240617][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8381.240617][ T1076] ___sys_sendmsg+0xee/0x170 [ 8381.240617][ T1076] __sys_sendmsg+0xcd/0x170 [ 8381.240617][ T1076] do_syscall_64+0xc6/0x1e0 [ 8381.240617][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.240617][ T1076] [ 8381.242375][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8381.242375][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8381.242375][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8381.242375][ T1076] ipv6_find_idev+0x102/0x170 [ 8381.242375][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8381.242375][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8381.242375][ T1076] netlink_rcv_skb+0x130/0x360 [ 8381.242375][ T1076] netlink_unicast+0x449/0x710 [ 8381.242375][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8381.242375][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8381.242375][ T1076] ___sys_sendmsg+0xee/0x170 [ 8381.242375][ T1076] __sys_sendmsg+0xcd/0x170 [ 8381.242375][ T1076] do_syscall_64+0xc6/0x1e0 [ 8381.242375][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8381.242375][ T1076] [ 8382.005720][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8382.006140][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8382.006140][ T73] dst_init+0x84/0x4a0 [ 8382.006140][ T73] dst_alloc+0x97/0x150 [ 8382.006140][ T73] ip6_dst_alloc+0x23/0x90 [ 8382.006140][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8382.006140][ T73] ip6_pol_route+0x56f/0x840 [ 8382.006140][ T73] fib6_rule_lookup+0x456/0x630 [ 8382.006140][ T73] ip6_route_input+0x59c/0xa50 [ 8382.006140][ T73] ipv6_rcv+0x397/0x810 [ 8382.006140][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8382.006140][ T73] process_backlog+0x101/0x620 [ 8382.006140][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8382.006140][ T73] net_rx_action+0x495/0xbe0 [ 8382.006140][ T73] __do_softirq+0x1b5/0x7f6 [ 8382.006140][ T73] [ 8382.007804][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8382.007804][ T73] netdev_get_by_index+0x5e/0x80 [ 8382.007804][ T73] fib6_nh_init+0x3d8/0x1580 [ 8382.007804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8382.007804][ T73] ip6_route_add+0x1c/0x140 [ 8382.007804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8382.007804][ T73] inet6_addr_add+0x4f8/0xa40 [ 8382.007804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.007804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.007804][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.007804][ T73] netlink_unicast+0x449/0x710 [ 8382.007804][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.007804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.007804][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.007804][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.007804][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.007804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.007804][ T73] [ 8382.009801][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8382.009801][ T73] netdev_get_by_index+0x5e/0x80 [ 8382.009801][ T73] fib6_nh_init+0x3d8/0x1580 [ 8382.009801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8382.009801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8382.009801][ T73] ipv6_add_addr+0x411/0x2000 [ 8382.009801][ T73] inet6_addr_add+0x30e/0xa40 [ 8382.009801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.009801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.009801][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.009801][ T73] netlink_unicast+0x449/0x710 [ 8382.009801][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.009801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.009801][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.009801][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.009801][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.009801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.009801][ T73] [ 8382.011797][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8382.011797][ T73] netdev_get_by_index+0x5e/0x80 [ 8382.011797][ T73] fib6_nh_init+0x3d8/0x1580 [ 8382.011797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8382.011797][ T73] ip6_route_add+0x1c/0x140 [ 8382.011797][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8382.011797][ T73] addrconf_add_dev+0xe2/0x170 [ 8382.011797][ T73] inet6_addr_add+0x12f/0xa40 [ 8382.011797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.011797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.011797][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.011797][ T73] netlink_unicast+0x449/0x710 [ 8382.011797][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.011797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.011797][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.011797][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.011797][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.011797][ T73] [ 8382.013774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8382.013774][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8382.013774][ T73] ipv6_find_idev+0x102/0x170 [ 8382.013774][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8382.013774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.013774][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.013774][ T73] netlink_unicast+0x449/0x710 [ 8382.013774][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.013774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.013774][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.013774][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.013774][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.013774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.013774][ T73] [ 8382.015323][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8382.015323][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8382.015323][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8382.015323][ T73] ipv6_find_idev+0x102/0x170 [ 8382.015323][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8382.015323][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.015323][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.015323][ T73] netlink_unicast+0x449/0x710 [ 8382.015323][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.015323][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.015323][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.015323][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.015323][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.015323][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.015323][ T73] [ 8382.017012][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8382.017277][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8382.017277][ T73] dst_init+0x84/0x4a0 [ 8382.017277][ T73] dst_alloc+0x97/0x150 [ 8382.017277][ T73] ip6_dst_alloc+0x23/0x90 [ 8382.017277][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8382.017277][ T73] ip6_pol_route+0x56f/0x840 [ 8382.017277][ T73] fib6_rule_lookup+0x456/0x630 [ 8382.017277][ T73] ip6_route_input+0x59c/0xa50 [ 8382.017277][ T73] ipv6_rcv+0x397/0x810 [ 8382.017277][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8382.017277][ T73] process_backlog+0x101/0x620 [ 8382.017277][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8382.017277][ T73] net_rx_action+0x495/0xbe0 [ 8382.017277][ T73] __do_softirq+0x1b5/0x7f6 [ 8382.017277][ T73] [ 8382.018920][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8382.018920][ T73] netdev_get_by_index+0x5e/0x80 [ 8382.018920][ T73] fib6_nh_init+0x3d8/0x1580 [ 8382.018920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8382.018920][ T73] ip6_route_add+0x1c/0x140 [ 8382.018920][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8382.018920][ T73] inet6_addr_add+0x4f8/0xa40 [ 8382.018920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.018920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.018920][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.018920][ T73] netlink_unicast+0x449/0x710 [ 8382.018920][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.018920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.018920][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.018920][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.018920][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.018920][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.018920][ T73] [ 8382.020918][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8382.020918][ T73] netdev_get_by_index+0x5e/0x80 [ 8382.020918][ T73] fib6_nh_init+0x3d8/0x1580 [ 8382.020918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8382.020918][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8382.020918][ T73] ipv6_add_addr+0x411/0x2000 [ 8382.020918][ T73] inet6_addr_add+0x30e/0xa40 [ 8382.020918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.020918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.020918][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.020918][ T73] netlink_unicast+0x449/0x710 [ 8382.020918][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.020918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.020918][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.020918][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.020918][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.020918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.020918][ T73] [ 8382.022911][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8382.022911][ T73] netdev_get_by_index+0x5e/0x80 [ 8382.022911][ T73] fib6_nh_init+0x3d8/0x1580 [ 8382.022911][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8382.022911][ T73] ip6_route_add+0x1c/0x140 [ 8382.022911][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8382.022911][ T73] addrconf_add_dev+0xe2/0x170 [ 8382.022911][ T73] inet6_addr_add+0x12f/0xa40 [ 8382.022911][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8382.022911][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.022911][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.022911][ T73] netlink_unicast+0x449/0x710 [ 8382.022911][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.022911][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.022911][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.022911][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.022911][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.022911][ T73] [ 8382.024882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8382.024882][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8382.024882][ T73] ipv6_find_idev+0x102/0x170 [ 8382.024882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8382.024882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.024882][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.024882][ T73] netlink_unicast+0x449/0x710 [ 8382.024882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.024882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.024882][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.024882][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.024882][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.024882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.024882][ T73] [ 8382.026421][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8382.026421][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8382.026421][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8382.026421][ T73] ipv6_find_idev+0x102/0x170 [ 8382.026421][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8382.026421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8382.026421][ T73] netlink_rcv_skb+0x130/0x360 [ 8382.026421][ T73] netlink_unicast+0x449/0x710 [ 8382.026421][ T73] netlink_sendmsg+0x723/0xbe0 [ 8382.026421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8382.026421][ T73] ___sys_sendmsg+0xee/0x170 [ 8382.026421][ T73] __sys_sendmsg+0xcd/0x170 [ 8382.026421][ T73] do_syscall_64+0xc6/0x1e0 [ 8382.026421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8382.026421][ T73] [ 8391.493639][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8391.494148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8391.494148][ T1076] netdev_get_by_index+0x5e/0x80 [ 8391.494148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8391.494148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8391.494148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8391.494148][ T1076] ipv6_add_addr+0x411/0x2000 [ 8391.494148][ T1076] inet6_addr_add+0x30e/0xa40 [ 8391.494148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8391.494148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.494148][ T1076] netlink_rcv_skb+0x130/0x360 [ 8391.494148][ T1076] netlink_unicast+0x449/0x710 [ 8391.494148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8391.494148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8391.494148][ T1076] ___sys_sendmsg+0xee/0x170 [ 8391.494148][ T1076] __sys_sendmsg+0xcd/0x170 [ 8391.494148][ T1076] do_syscall_64+0xc6/0x1e0 [ 8391.494148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.494148][ T1076] [ 8391.496441][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8391.496441][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8391.496441][ T1076] ipv6_find_idev+0x102/0x170 [ 8391.496441][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8391.496441][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.496441][ T1076] netlink_rcv_skb+0x130/0x360 [ 8391.496441][ T1076] netlink_unicast+0x449/0x710 [ 8391.496441][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8391.496441][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8391.496441][ T1076] ___sys_sendmsg+0xee/0x170 [ 8391.496441][ T1076] __sys_sendmsg+0xcd/0x170 [ 8391.496441][ T1076] do_syscall_64+0xc6/0x1e0 [ 8391.496441][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.496441][ T1076] [ 8391.498203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8391.498203][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8391.498203][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8391.498203][ T1076] ipv6_find_idev+0x102/0x170 [ 8391.498203][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8391.498203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8391.498203][ T1076] netlink_rcv_skb+0x130/0x360 [ 8391.498203][ T1076] netlink_unicast+0x449/0x710 [ 8391.498203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8391.498203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8391.498203][ T1076] ___sys_sendmsg+0xee/0x170 [ 8391.498203][ T1076] __sys_sendmsg+0xcd/0x170 [ 8391.498203][ T1076] do_syscall_64+0xc6/0x1e0 [ 8391.498203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8391.498203][ T1076] [ 8392.269700][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8392.270059][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8392.270059][ T73] dst_init+0x84/0x4a0 [ 8392.270059][ T73] dst_alloc+0x97/0x150 [ 8392.270059][ T73] ip6_dst_alloc+0x23/0x90 [ 8392.270059][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8392.270059][ T73] ip6_pol_route+0x56f/0x840 [ 8392.270059][ T73] fib6_rule_lookup+0x456/0x630 [ 8392.270059][ T73] ip6_route_input+0x59c/0xa50 [ 8392.270059][ T73] ipv6_rcv+0x397/0x810 [ 8392.270059][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8392.270059][ T73] process_backlog+0x101/0x620 [ 8392.270059][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8392.270059][ T73] net_rx_action+0x495/0xbe0 [ 8392.270059][ T73] __do_softirq+0x1b5/0x7f6 [ 8392.270059][ T73] [ 8392.271712][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8392.271712][ T73] netdev_get_by_index+0x5e/0x80 [ 8392.271712][ T73] fib6_nh_init+0x3d8/0x1580 [ 8392.271712][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8392.271712][ T73] ip6_route_add+0x1c/0x140 [ 8392.271712][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8392.271712][ T73] inet6_addr_add+0x4f8/0xa40 [ 8392.271712][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.271712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.271712][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.271712][ T73] netlink_unicast+0x449/0x710 [ 8392.271712][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.271712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.271712][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.271712][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.271712][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.271712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.271712][ T73] [ 8392.273698][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8392.273698][ T73] netdev_get_by_index+0x5e/0x80 [ 8392.273698][ T73] fib6_nh_init+0x3d8/0x1580 [ 8392.273698][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8392.273698][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8392.273698][ T73] ipv6_add_addr+0x411/0x2000 [ 8392.273698][ T73] inet6_addr_add+0x30e/0xa40 [ 8392.273698][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.273698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.273698][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.273698][ T73] netlink_unicast+0x449/0x710 [ 8392.273698][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.273698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.273698][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.273698][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.273698][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.273698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.273698][ T73] [ 8392.275711][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8392.275711][ T73] netdev_get_by_index+0x5e/0x80 [ 8392.275711][ T73] fib6_nh_init+0x3d8/0x1580 [ 8392.275711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8392.275711][ T73] ip6_route_add+0x1c/0x140 [ 8392.275711][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8392.275711][ T73] addrconf_add_dev+0xe2/0x170 [ 8392.275711][ T73] inet6_addr_add+0x12f/0xa40 [ 8392.275711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.275711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.275711][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.275711][ T73] netlink_unicast+0x449/0x710 [ 8392.275711][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.275711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.275711][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.275711][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.275711][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.275711][ T73] [ 8392.277663][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8392.277663][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8392.277663][ T73] ipv6_find_idev+0x102/0x170 [ 8392.277663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8392.277663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.277663][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.277663][ T73] netlink_unicast+0x449/0x710 [ 8392.277663][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.277663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.277663][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.277663][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.277663][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.277663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.277663][ T73] [ 8392.279206][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8392.279206][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8392.279206][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8392.279206][ T73] ipv6_find_idev+0x102/0x170 [ 8392.279206][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8392.279206][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.279206][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.279206][ T73] netlink_unicast+0x449/0x710 [ 8392.279206][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.279206][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.279206][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.279206][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.279206][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.279206][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.279206][ T73] [ 8392.280896][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8392.281136][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8392.281136][ T73] dst_init+0x84/0x4a0 [ 8392.281136][ T73] dst_alloc+0x97/0x150 [ 8392.281136][ T73] ip6_dst_alloc+0x23/0x90 [ 8392.281136][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8392.281136][ T73] ip6_pol_route+0x56f/0x840 [ 8392.281136][ T73] fib6_rule_lookup+0x456/0x630 [ 8392.281136][ T73] ip6_route_input+0x59c/0xa50 [ 8392.281136][ T73] ipv6_rcv+0x397/0x810 [ 8392.281136][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8392.281136][ T73] process_backlog+0x101/0x620 [ 8392.281136][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8392.281136][ T73] net_rx_action+0x495/0xbe0 [ 8392.281136][ T73] __do_softirq+0x1b5/0x7f6 [ 8392.281136][ T73] [ 8392.282766][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8392.282766][ T73] netdev_get_by_index+0x5e/0x80 [ 8392.282766][ T73] fib6_nh_init+0x3d8/0x1580 [ 8392.282766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8392.282766][ T73] ip6_route_add+0x1c/0x140 [ 8392.282766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8392.282766][ T73] inet6_addr_add+0x4f8/0xa40 [ 8392.282766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.282766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.282766][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.282766][ T73] netlink_unicast+0x449/0x710 [ 8392.282766][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.282766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.282766][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.282766][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.282766][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.282766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.282766][ T73] [ 8392.284762][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8392.284762][ T73] netdev_get_by_index+0x5e/0x80 [ 8392.284762][ T73] fib6_nh_init+0x3d8/0x1580 [ 8392.284762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8392.284762][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8392.284762][ T73] ipv6_add_addr+0x411/0x2000 [ 8392.284762][ T73] inet6_addr_add+0x30e/0xa40 [ 8392.284762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.284762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.284762][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.284762][ T73] netlink_unicast+0x449/0x710 [ 8392.284762][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.284762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.284762][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.284762][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.284762][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.284762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.284762][ T73] [ 8392.286758][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8392.286758][ T73] netdev_get_by_index+0x5e/0x80 [ 8392.286758][ T73] fib6_nh_init+0x3d8/0x1580 [ 8392.286758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8392.286758][ T73] ip6_route_add+0x1c/0x140 [ 8392.286758][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8392.286758][ T73] addrconf_add_dev+0xe2/0x170 [ 8392.286758][ T73] inet6_addr_add+0x12f/0xa40 [ 8392.286758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8392.286758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.286758][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.286758][ T73] netlink_unicast+0x449/0x710 [ 8392.286758][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.286758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.286758][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.286758][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.286758][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.286758][ T73] [ 8392.288710][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8392.288710][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8392.288710][ T73] ipv6_find_idev+0x102/0x170 [ 8392.288710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8392.288710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.288710][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.288710][ T73] netlink_unicast+0x449/0x710 [ 8392.288710][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.288710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.288710][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.288710][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.288710][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.288710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.288710][ T73] [ 8392.290243][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8392.290243][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8392.290243][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8392.290243][ T73] ipv6_find_idev+0x102/0x170 [ 8392.290243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8392.290243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8392.290243][ T73] netlink_rcv_skb+0x130/0x360 [ 8392.290243][ T73] netlink_unicast+0x449/0x710 [ 8392.290243][ T73] netlink_sendmsg+0x723/0xbe0 [ 8392.290243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8392.290243][ T73] ___sys_sendmsg+0xee/0x170 [ 8392.290243][ T73] __sys_sendmsg+0xcd/0x170 [ 8392.290243][ T73] do_syscall_64+0xc6/0x1e0 [ 8392.290243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8392.290243][ T73] [ 8401.749715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8401.750238][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8401.750238][ T1076] netdev_get_by_index+0x5e/0x80 [ 8401.750238][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8401.750238][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8401.750238][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8401.750238][ T1076] ipv6_add_addr+0x411/0x2000 [ 8401.750238][ T1076] inet6_addr_add+0x30e/0xa40 [ 8401.750238][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8401.750238][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.750238][ T1076] netlink_rcv_skb+0x130/0x360 [ 8401.750238][ T1076] netlink_unicast+0x449/0x710 [ 8401.750238][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8401.750238][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8401.750238][ T1076] ___sys_sendmsg+0xee/0x170 [ 8401.750238][ T1076] __sys_sendmsg+0xcd/0x170 [ 8401.750238][ T1076] do_syscall_64+0xc6/0x1e0 [ 8401.750238][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.750238][ T1076] [ 8401.752517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8401.752517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8401.752517][ T1076] ipv6_find_idev+0x102/0x170 [ 8401.752517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8401.752517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.752517][ T1076] netlink_rcv_skb+0x130/0x360 [ 8401.752517][ T1076] netlink_unicast+0x449/0x710 [ 8401.752517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8401.752517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8401.752517][ T1076] ___sys_sendmsg+0xee/0x170 [ 8401.752517][ T1076] __sys_sendmsg+0xcd/0x170 [ 8401.752517][ T1076] do_syscall_64+0xc6/0x1e0 [ 8401.752517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.752517][ T1076] [ 8401.754271][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8401.754271][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8401.754271][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8401.754271][ T1076] ipv6_find_idev+0x102/0x170 [ 8401.754271][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8401.754271][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8401.754271][ T1076] netlink_rcv_skb+0x130/0x360 [ 8401.754271][ T1076] netlink_unicast+0x449/0x710 [ 8401.754271][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8401.754271][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8401.754271][ T1076] ___sys_sendmsg+0xee/0x170 [ 8401.754271][ T1076] __sys_sendmsg+0xcd/0x170 [ 8401.754271][ T1076] do_syscall_64+0xc6/0x1e0 [ 8401.754271][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8401.754271][ T1076] [ 8402.533709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8402.534131][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8402.534131][ T73] dst_init+0x84/0x4a0 [ 8402.534131][ T73] dst_alloc+0x97/0x150 [ 8402.534131][ T73] ip6_dst_alloc+0x23/0x90 [ 8402.534131][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8402.534131][ T73] ip6_pol_route+0x56f/0x840 [ 8402.534131][ T73] fib6_rule_lookup+0x456/0x630 [ 8402.534131][ T73] ip6_route_input+0x59c/0xa50 [ 8402.534131][ T73] ipv6_rcv+0x397/0x810 [ 8402.534131][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8402.534131][ T73] process_backlog+0x101/0x620 [ 8402.534131][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8402.534131][ T73] net_rx_action+0x495/0xbe0 [ 8402.534131][ T73] __do_softirq+0x1b5/0x7f6 [ 8402.534131][ T73] [ 8402.535803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8402.535803][ T73] netdev_get_by_index+0x5e/0x80 [ 8402.535803][ T73] fib6_nh_init+0x3d8/0x1580 [ 8402.535803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8402.535803][ T73] ip6_route_add+0x1c/0x140 [ 8402.535803][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8402.535803][ T73] inet6_addr_add+0x4f8/0xa40 [ 8402.535803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.535803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.535803][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.535803][ T73] netlink_unicast+0x449/0x710 [ 8402.535803][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.535803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.535803][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.535803][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.535803][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.535803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.535803][ T73] [ 8402.537797][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8402.537797][ T73] netdev_get_by_index+0x5e/0x80 [ 8402.537797][ T73] fib6_nh_init+0x3d8/0x1580 [ 8402.537797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8402.537797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8402.537797][ T73] ipv6_add_addr+0x411/0x2000 [ 8402.537797][ T73] inet6_addr_add+0x30e/0xa40 [ 8402.537797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.537797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.537797][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.537797][ T73] netlink_unicast+0x449/0x710 [ 8402.537797][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.537797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.537797][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.537797][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.537797][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.537797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.537797][ T73] [ 8402.539788][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8402.539788][ T73] netdev_get_by_index+0x5e/0x80 [ 8402.539788][ T73] fib6_nh_init+0x3d8/0x1580 [ 8402.539788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8402.539788][ T73] ip6_route_add+0x1c/0x140 [ 8402.539788][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8402.539788][ T73] addrconf_add_dev+0xe2/0x170 [ 8402.539788][ T73] inet6_addr_add+0x12f/0xa40 [ 8402.539788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.539788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.539788][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.539788][ T73] netlink_unicast+0x449/0x710 [ 8402.539788][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.539788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.539788][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.539788][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.539788][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.539788][ T73] [ 8402.541739][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8402.541739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8402.541739][ T73] ipv6_find_idev+0x102/0x170 [ 8402.541739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8402.541739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.541739][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.541739][ T73] netlink_unicast+0x449/0x710 [ 8402.541739][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.541739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.541739][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.541739][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.541739][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.541739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.541739][ T73] [ 8402.543270][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8402.543270][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8402.543270][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8402.543270][ T73] ipv6_find_idev+0x102/0x170 [ 8402.543270][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8402.543270][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.543270][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.543270][ T73] netlink_unicast+0x449/0x710 [ 8402.543270][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.543270][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.543270][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.543270][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.543270][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.543270][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.543270][ T73] [ 8402.545237][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8402.545507][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8402.545507][ T73] dst_init+0x84/0x4a0 [ 8402.545507][ T73] dst_alloc+0x97/0x150 [ 8402.545507][ T73] ip6_dst_alloc+0x23/0x90 [ 8402.545507][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8402.545507][ T73] ip6_pol_route+0x56f/0x840 [ 8402.545507][ T73] fib6_rule_lookup+0x456/0x630 [ 8402.545507][ T73] ip6_route_input+0x59c/0xa50 [ 8402.545507][ T73] ipv6_rcv+0x397/0x810 [ 8402.545507][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8402.545507][ T73] process_backlog+0x101/0x620 [ 8402.545507][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8402.545507][ T73] net_rx_action+0x495/0xbe0 [ 8402.545507][ T73] __do_softirq+0x1b5/0x7f6 [ 8402.545507][ T73] [ 8402.547537][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8402.547537][ T73] netdev_get_by_index+0x5e/0x80 [ 8402.547537][ T73] fib6_nh_init+0x3d8/0x1580 [ 8402.547537][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8402.547537][ T73] ip6_route_add+0x1c/0x140 [ 8402.547537][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8402.547537][ T73] inet6_addr_add+0x4f8/0xa40 [ 8402.547537][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.547537][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.547537][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.547537][ T73] netlink_unicast+0x449/0x710 [ 8402.547537][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.547537][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.547537][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.547537][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.547537][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.547537][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.547537][ T73] [ 8402.549997][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8402.549997][ T73] netdev_get_by_index+0x5e/0x80 [ 8402.549997][ T73] fib6_nh_init+0x3d8/0x1580 [ 8402.549997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8402.549997][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8402.549997][ T73] ipv6_add_addr+0x411/0x2000 [ 8402.549997][ T73] inet6_addr_add+0x30e/0xa40 [ 8402.549997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.549997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.549997][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.549997][ T73] netlink_unicast+0x449/0x710 [ 8402.549997][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.549997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.549997][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.549997][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.549997][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.549997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.549997][ T73] [ 8402.552495][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8402.552495][ T73] netdev_get_by_index+0x5e/0x80 [ 8402.552495][ T73] fib6_nh_init+0x3d8/0x1580 [ 8402.552495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8402.552495][ T73] ip6_route_add+0x1c/0x140 [ 8402.552495][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8402.552495][ T73] addrconf_add_dev+0xe2/0x170 [ 8402.552495][ T73] inet6_addr_add+0x12f/0xa40 [ 8402.552495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8402.552495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.552495][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.552495][ T73] netlink_unicast+0x449/0x710 [ 8402.552495][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.552495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.552495][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.552495][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.552495][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.552495][ T73] [ 8402.554955][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8402.554955][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8402.554955][ T73] ipv6_find_idev+0x102/0x170 [ 8402.554955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8402.554955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.554955][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.554955][ T73] netlink_unicast+0x449/0x710 [ 8402.554955][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.554955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.554955][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.554955][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.554955][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.554955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.554955][ T73] [ 8402.556902][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8402.556902][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8402.556902][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8402.556902][ T73] ipv6_find_idev+0x102/0x170 [ 8402.556902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8402.556902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8402.556902][ T73] netlink_rcv_skb+0x130/0x360 [ 8402.556902][ T73] netlink_unicast+0x449/0x710 [ 8402.556902][ T73] netlink_sendmsg+0x723/0xbe0 [ 8402.556902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8402.556902][ T73] ___sys_sendmsg+0xee/0x170 [ 8402.556902][ T73] __sys_sendmsg+0xcd/0x170 [ 8402.556902][ T73] do_syscall_64+0xc6/0x1e0 [ 8402.556902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8402.556902][ T73] [ 8412.005728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8412.006261][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8412.006261][ T1076] netdev_get_by_index+0x5e/0x80 [ 8412.006261][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8412.006261][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8412.006261][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8412.006261][ T1076] ipv6_add_addr+0x411/0x2000 [ 8412.006261][ T1076] inet6_addr_add+0x30e/0xa40 [ 8412.006261][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.006261][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.006261][ T1076] netlink_rcv_skb+0x130/0x360 [ 8412.006261][ T1076] netlink_unicast+0x449/0x710 [ 8412.006261][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8412.006261][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8412.006261][ T1076] ___sys_sendmsg+0xee/0x170 [ 8412.006261][ T1076] __sys_sendmsg+0xcd/0x170 [ 8412.006261][ T1076] do_syscall_64+0xc6/0x1e0 [ 8412.006261][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.006261][ T1076] [ 8412.008560][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8412.008560][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8412.008560][ T1076] ipv6_find_idev+0x102/0x170 [ 8412.008560][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.008560][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.008560][ T1076] netlink_rcv_skb+0x130/0x360 [ 8412.008560][ T1076] netlink_unicast+0x449/0x710 [ 8412.008560][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8412.008560][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8412.008560][ T1076] ___sys_sendmsg+0xee/0x170 [ 8412.008560][ T1076] __sys_sendmsg+0xcd/0x170 [ 8412.008560][ T1076] do_syscall_64+0xc6/0x1e0 [ 8412.008560][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.008560][ T1076] [ 8412.010317][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8412.010317][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8412.010317][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8412.010317][ T1076] ipv6_find_idev+0x102/0x170 [ 8412.010317][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.010317][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.010317][ T1076] netlink_rcv_skb+0x130/0x360 [ 8412.010317][ T1076] netlink_unicast+0x449/0x710 [ 8412.010317][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8412.010317][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8412.010317][ T1076] ___sys_sendmsg+0xee/0x170 [ 8412.010317][ T1076] __sys_sendmsg+0xcd/0x170 [ 8412.010317][ T1076] do_syscall_64+0xc6/0x1e0 [ 8412.010317][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.010317][ T1076] [ 8412.797697][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8412.798182][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8412.798182][ T73] dst_init+0x84/0x4a0 [ 8412.798182][ T73] dst_alloc+0x97/0x150 [ 8412.798182][ T73] ip6_dst_alloc+0x23/0x90 [ 8412.798182][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8412.798182][ T73] ip6_pol_route+0x56f/0x840 [ 8412.798182][ T73] fib6_rule_lookup+0x456/0x630 [ 8412.798182][ T73] ip6_route_input+0x59c/0xa50 [ 8412.798182][ T73] ipv6_rcv+0x397/0x810 [ 8412.798182][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8412.798182][ T73] process_backlog+0x101/0x620 [ 8412.798182][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8412.798182][ T73] net_rx_action+0x495/0xbe0 [ 8412.798182][ T73] __do_softirq+0x1b5/0x7f6 [ 8412.798182][ T73] [ 8412.799842][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8412.799842][ T73] netdev_get_by_index+0x5e/0x80 [ 8412.799842][ T73] fib6_nh_init+0x3d8/0x1580 [ 8412.799842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8412.799842][ T73] ip6_route_add+0x1c/0x140 [ 8412.799842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8412.799842][ T73] inet6_addr_add+0x4f8/0xa40 [ 8412.799842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.799842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.799842][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.799842][ T73] netlink_unicast+0x449/0x710 [ 8412.799842][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.799842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.799842][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.799842][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.799842][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.799842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.799842][ T73] [ 8412.801859][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8412.801859][ T73] netdev_get_by_index+0x5e/0x80 [ 8412.801859][ T73] fib6_nh_init+0x3d8/0x1580 [ 8412.801859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8412.801859][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8412.801859][ T73] ipv6_add_addr+0x411/0x2000 [ 8412.801859][ T73] inet6_addr_add+0x30e/0xa40 [ 8412.801859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.801859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.801859][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.801859][ T73] netlink_unicast+0x449/0x710 [ 8412.801859][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.801859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.801859][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.801859][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.801859][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.801859][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.801859][ T73] [ 8412.803851][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8412.803851][ T73] netdev_get_by_index+0x5e/0x80 [ 8412.803851][ T73] fib6_nh_init+0x3d8/0x1580 [ 8412.803851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8412.803851][ T73] ip6_route_add+0x1c/0x140 [ 8412.803851][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8412.803851][ T73] addrconf_add_dev+0xe2/0x170 [ 8412.803851][ T73] inet6_addr_add+0x12f/0xa40 [ 8412.803851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.803851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.803851][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.803851][ T73] netlink_unicast+0x449/0x710 [ 8412.803851][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.803851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.803851][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.803851][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.803851][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.803851][ T73] [ 8412.805820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8412.805820][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8412.805820][ T73] ipv6_find_idev+0x102/0x170 [ 8412.805820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.805820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.805820][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.805820][ T73] netlink_unicast+0x449/0x710 [ 8412.805820][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.805820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.805820][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.805820][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.805820][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.805820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.805820][ T73] [ 8412.807378][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8412.807378][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8412.807378][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8412.807378][ T73] ipv6_find_idev+0x102/0x170 [ 8412.807378][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.807378][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.807378][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.807378][ T73] netlink_unicast+0x449/0x710 [ 8412.807378][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.807378][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.807378][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.807378][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.807378][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.807378][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.807378][ T73] [ 8412.809056][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8412.809534][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8412.809534][ T73] dst_init+0x84/0x4a0 [ 8412.809534][ T73] dst_alloc+0x97/0x150 [ 8412.809534][ T73] ip6_dst_alloc+0x23/0x90 [ 8412.809534][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8412.809534][ T73] ip6_pol_route+0x56f/0x840 [ 8412.809534][ T73] fib6_rule_lookup+0x456/0x630 [ 8412.809534][ T73] ip6_route_input+0x59c/0xa50 [ 8412.809534][ T73] ipv6_rcv+0x397/0x810 [ 8412.809534][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8412.809534][ T73] process_backlog+0x101/0x620 [ 8412.809534][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8412.809534][ T73] net_rx_action+0x495/0xbe0 [ 8412.809534][ T73] __do_softirq+0x1b5/0x7f6 [ 8412.809534][ T73] [ 8412.811173][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8412.811173][ T73] netdev_get_by_index+0x5e/0x80 [ 8412.811173][ T73] fib6_nh_init+0x3d8/0x1580 [ 8412.811173][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8412.811173][ T73] ip6_route_add+0x1c/0x140 [ 8412.811173][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8412.811173][ T73] inet6_addr_add+0x4f8/0xa40 [ 8412.811173][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.811173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.811173][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.811173][ T73] netlink_unicast+0x449/0x710 [ 8412.811173][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.811173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.811173][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.811173][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.811173][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.811173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.811173][ T73] [ 8412.813155][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8412.813155][ T73] netdev_get_by_index+0x5e/0x80 [ 8412.813155][ T73] fib6_nh_init+0x3d8/0x1580 [ 8412.813155][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8412.813155][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8412.813155][ T73] ipv6_add_addr+0x411/0x2000 [ 8412.813155][ T73] inet6_addr_add+0x30e/0xa40 [ 8412.813155][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.813155][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.813155][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.813155][ T73] netlink_unicast+0x449/0x710 [ 8412.813155][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.813155][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.813155][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.813155][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.813155][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.813155][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.813155][ T73] [ 8412.815177][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8412.815177][ T73] netdev_get_by_index+0x5e/0x80 [ 8412.815177][ T73] fib6_nh_init+0x3d8/0x1580 [ 8412.815177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8412.815177][ T73] ip6_route_add+0x1c/0x140 [ 8412.815177][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8412.815177][ T73] addrconf_add_dev+0xe2/0x170 [ 8412.815177][ T73] inet6_addr_add+0x12f/0xa40 [ 8412.815177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8412.815177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.815177][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.815177][ T73] netlink_unicast+0x449/0x710 [ 8412.815177][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.815177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.815177][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.815177][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.815177][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.815177][ T73] [ 8412.817118][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8412.817118][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8412.817118][ T73] ipv6_find_idev+0x102/0x170 [ 8412.817118][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.817118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.817118][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.817118][ T73] netlink_unicast+0x449/0x710 [ 8412.817118][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.817118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.817118][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.817118][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.817118][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.817118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.817118][ T73] [ 8412.818637][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8412.818637][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8412.818637][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8412.818637][ T73] ipv6_find_idev+0x102/0x170 [ 8412.818637][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8412.818637][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8412.818637][ T73] netlink_rcv_skb+0x130/0x360 [ 8412.818637][ T73] netlink_unicast+0x449/0x710 [ 8412.818637][ T73] netlink_sendmsg+0x723/0xbe0 [ 8412.818637][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8412.818637][ T73] ___sys_sendmsg+0xee/0x170 [ 8412.818637][ T73] __sys_sendmsg+0xcd/0x170 [ 8412.818637][ T73] do_syscall_64+0xc6/0x1e0 [ 8412.818637][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8412.818637][ T73] [ 8422.261724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8422.262201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8422.262201][ T1076] netdev_get_by_index+0x5e/0x80 [ 8422.262201][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8422.262201][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8422.262201][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8422.262201][ T1076] ipv6_add_addr+0x411/0x2000 [ 8422.262201][ T1076] inet6_addr_add+0x30e/0xa40 [ 8422.262201][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8422.262201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.262201][ T1076] netlink_rcv_skb+0x130/0x360 [ 8422.262201][ T1076] netlink_unicast+0x449/0x710 [ 8422.262201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8422.262201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8422.262201][ T1076] ___sys_sendmsg+0xee/0x170 [ 8422.262201][ T1076] __sys_sendmsg+0xcd/0x170 [ 8422.262201][ T1076] do_syscall_64+0xc6/0x1e0 [ 8422.262201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.262201][ T1076] [ 8422.265944][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8422.265944][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8422.265944][ T1076] ipv6_find_idev+0x102/0x170 [ 8422.265944][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8422.265944][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.265944][ T1076] netlink_rcv_skb+0x130/0x360 [ 8422.265944][ T1076] netlink_unicast+0x449/0x710 [ 8422.265944][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8422.265944][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8422.265944][ T1076] ___sys_sendmsg+0xee/0x170 [ 8422.265944][ T1076] __sys_sendmsg+0xcd/0x170 [ 8422.265944][ T1076] do_syscall_64+0xc6/0x1e0 [ 8422.265944][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.265944][ T1076] [ 8422.268753][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8422.268753][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8422.268753][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8422.268753][ T1076] ipv6_find_idev+0x102/0x170 [ 8422.268753][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8422.268753][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8422.268753][ T1076] netlink_rcv_skb+0x130/0x360 [ 8422.268753][ T1076] netlink_unicast+0x449/0x710 [ 8422.268753][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8422.268753][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8422.268753][ T1076] ___sys_sendmsg+0xee/0x170 [ 8422.268753][ T1076] __sys_sendmsg+0xcd/0x170 [ 8422.268753][ T1076] do_syscall_64+0xc6/0x1e0 [ 8422.268753][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8422.268753][ T1076] [ 8423.061713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8423.062129][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8423.062129][ T73] dst_init+0x84/0x4a0 [ 8423.062129][ T73] dst_alloc+0x97/0x150 [ 8423.062129][ T73] ip6_dst_alloc+0x23/0x90 [ 8423.062129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8423.062129][ T73] ip6_pol_route+0x56f/0x840 [ 8423.062129][ T73] fib6_rule_lookup+0x456/0x630 [ 8423.062129][ T73] ip6_route_input+0x59c/0xa50 [ 8423.062129][ T73] ipv6_rcv+0x397/0x810 [ 8423.062129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8423.062129][ T73] process_backlog+0x101/0x620 [ 8423.062129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8423.062129][ T73] net_rx_action+0x495/0xbe0 [ 8423.062129][ T73] __do_softirq+0x1b5/0x7f6 [ 8423.062129][ T73] [ 8423.064399][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8423.064399][ T73] netdev_get_by_index+0x5e/0x80 [ 8423.064399][ T73] fib6_nh_init+0x3d8/0x1580 [ 8423.064399][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8423.064399][ T73] ip6_route_add+0x1c/0x140 [ 8423.064399][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8423.064399][ T73] inet6_addr_add+0x4f8/0xa40 [ 8423.064399][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8423.064399][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.064399][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.064399][ T73] netlink_unicast+0x449/0x710 [ 8423.064399][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.064399][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.064399][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.064399][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.064399][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.064399][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.064399][ T73] [ 8423.066917][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8423.066917][ T73] netdev_get_by_index+0x5e/0x80 [ 8423.066917][ T73] fib6_nh_init+0x3d8/0x1580 [ 8423.066917][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8423.066917][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8423.066917][ T73] ipv6_add_addr+0x411/0x2000 [ 8423.066917][ T73] inet6_addr_add+0x30e/0xa40 [ 8423.066917][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8423.066917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.066917][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.066917][ T73] netlink_unicast+0x449/0x710 [ 8423.066917][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.066917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.066917][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.066917][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.066917][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.066917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.066917][ T73] [ 8423.069440][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8423.069440][ T73] netdev_get_by_index+0x5e/0x80 [ 8423.069440][ T73] fib6_nh_init+0x3d8/0x1580 [ 8423.069440][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8423.069440][ T73] ip6_route_add+0x1c/0x140 [ 8423.069440][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8423.069440][ T73] addrconf_add_dev+0xe2/0x170 [ 8423.069440][ T73] inet6_addr_add+0x12f/0xa40 [ 8423.069440][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8423.069440][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.069440][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.069440][ T73] netlink_unicast+0x449/0x710 [ 8423.069440][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.069440][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.069440][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.069440][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.069440][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.069440][ T73] [ 8423.071921][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8423.071921][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8423.071921][ T73] ipv6_find_idev+0x102/0x170 [ 8423.071921][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8423.071921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.071921][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.071921][ T73] netlink_unicast+0x449/0x710 [ 8423.071921][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.071921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.071921][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.071921][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.071921][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.071921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.071921][ T73] [ 8423.073835][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8423.073835][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8423.073835][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8423.073835][ T73] ipv6_find_idev+0x102/0x170 [ 8423.073835][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8423.073835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.073835][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.073835][ T73] netlink_unicast+0x449/0x710 [ 8423.073835][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.073835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.073835][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.073835][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.073835][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.073835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.073835][ T73] [ 8423.075957][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8423.076245][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8423.076245][ T73] dst_init+0x84/0x4a0 [ 8423.076245][ T73] dst_alloc+0x97/0x150 [ 8423.076245][ T73] ip6_dst_alloc+0x23/0x90 [ 8423.076245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8423.076245][ T73] ip6_pol_route+0x56f/0x840 [ 8423.076245][ T73] fib6_rule_lookup+0x456/0x630 [ 8423.076245][ T73] ip6_route_input+0x59c/0xa50 [ 8423.076245][ T73] ipv6_rcv+0x397/0x810 [ 8423.076245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8423.076245][ T73] process_backlog+0x101/0x620 [ 8423.076245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8423.076245][ T73] net_rx_action+0x495/0xbe0 [ 8423.076245][ T73] __do_softirq+0x1b5/0x7f6 [ 8423.076245][ T73] [ 8423.078295][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8423.078295][ T73] netdev_get_by_index+0x5e/0x80 [ 8423.078295][ T73] fib6_nh_init+0x3d8/0x1580 [ 8423.078295][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8423.078295][ T73] ip6_route_add+0x1c/0x140 [ 8423.078295][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8423.078295][ T73] inet6_addr_add+0x4f8/0xa40 [ 8423.078295][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8423.078295][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.078295][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.078295][ T73] netlink_unicast+0x449/0x710 [ 8423.078295][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.078295][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.078295][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.078295][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.078295][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.078295][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.078295][ T73] [ 8423.081229][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8423.081229][ T73] netdev_get_by_index+0x5e/0x80 [ 8423.081229][ T73] fib6_nh_init+0x3d8/0x1580 [ 8423.081229][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8423.081229][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8423.081229][ T73] ipv6_add_addr+0x411/0x2000 [ 8423.081229][ T73] inet6_addr_add+0x30e/0xa40 [ 8423.081229][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8423.081229][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.081229][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.081229][ T73] netlink_unicast+0x449/0x710 [ 8423.081229][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.081229][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.081229][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.081229][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.081229][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.081229][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.081229][ T73] [ 8423.083731][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8423.083731][ T73] netdev_get_by_index+0x5e/0x80 [ 8423.083731][ T73] fib6_nh_init+0x3d8/0x1580 [ 8423.083731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8423.083731][ T73] ip6_route_add+0x1c/0x140 [ 8423.083731][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8423.083731][ T73] addrconf_add_dev+0xe2/0x170 [ 8423.083731][ T73] inet6_addr_add+0x12f/0xa40 [ 8423.083731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8423.083731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.083731][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.083731][ T73] netlink_unicast+0x449/0x710 [ 8423.083731][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.083731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.083731][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.083731][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.083731][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.083731][ T73] [ 8423.086184][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8423.086184][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8423.086184][ T73] ipv6_find_idev+0x102/0x170 [ 8423.086184][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8423.086184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.086184][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.086184][ T73] netlink_unicast+0x449/0x710 [ 8423.086184][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.086184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.086184][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.086184][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.086184][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.086184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.086184][ T73] [ 8423.088098][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8423.088098][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8423.088098][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8423.088098][ T73] ipv6_find_idev+0x102/0x170 [ 8423.088098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8423.088098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8423.088098][ T73] netlink_rcv_skb+0x130/0x360 [ 8423.088098][ T73] netlink_unicast+0x449/0x710 [ 8423.088098][ T73] netlink_sendmsg+0x723/0xbe0 [ 8423.088098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8423.088098][ T73] ___sys_sendmsg+0xee/0x170 [ 8423.088098][ T73] __sys_sendmsg+0xcd/0x170 [ 8423.088098][ T73] do_syscall_64+0xc6/0x1e0 [ 8423.088098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8423.088098][ T73] [ 8432.277735][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8432.278253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8432.278253][ T1076] netdev_get_by_index+0x5e/0x80 [ 8432.278253][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8432.278253][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8432.278253][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8432.278253][ T1076] ipv6_add_addr+0x411/0x2000 [ 8432.278253][ T1076] inet6_addr_add+0x30e/0xa40 [ 8432.278253][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8432.278253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.278253][ T1076] netlink_rcv_skb+0x130/0x360 [ 8432.278253][ T1076] netlink_unicast+0x449/0x710 [ 8432.278253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8432.278253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8432.278253][ T1076] ___sys_sendmsg+0xee/0x170 [ 8432.278253][ T1076] __sys_sendmsg+0xcd/0x170 [ 8432.278253][ T1076] do_syscall_64+0xc6/0x1e0 [ 8432.278253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.278253][ T1076] [ 8432.280542][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8432.280542][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8432.280542][ T1076] ipv6_find_idev+0x102/0x170 [ 8432.280542][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8432.280542][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.280542][ T1076] netlink_rcv_skb+0x130/0x360 [ 8432.280542][ T1076] netlink_unicast+0x449/0x710 [ 8432.280542][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8432.280542][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8432.280542][ T1076] ___sys_sendmsg+0xee/0x170 [ 8432.280542][ T1076] __sys_sendmsg+0xcd/0x170 [ 8432.280542][ T1076] do_syscall_64+0xc6/0x1e0 [ 8432.280542][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.280542][ T1076] [ 8432.282293][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8432.282293][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8432.282293][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8432.282293][ T1076] ipv6_find_idev+0x102/0x170 [ 8432.282293][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8432.282293][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8432.282293][ T1076] netlink_rcv_skb+0x130/0x360 [ 8432.282293][ T1076] netlink_unicast+0x449/0x710 [ 8432.282293][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8432.282293][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8432.282293][ T1076] ___sys_sendmsg+0xee/0x170 [ 8432.282293][ T1076] __sys_sendmsg+0xcd/0x170 [ 8432.282293][ T1076] do_syscall_64+0xc6/0x1e0 [ 8432.282293][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8432.282293][ T1076] [ 8433.325730][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8433.326090][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8433.326090][ T73] dst_init+0x84/0x4a0 [ 8433.326090][ T73] dst_alloc+0x97/0x150 [ 8433.326090][ T73] ip6_dst_alloc+0x23/0x90 [ 8433.326090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8433.326090][ T73] ip6_pol_route+0x56f/0x840 [ 8433.326090][ T73] fib6_rule_lookup+0x456/0x630 [ 8433.326090][ T73] ip6_route_input+0x59c/0xa50 [ 8433.326090][ T73] ipv6_rcv+0x397/0x810 [ 8433.326090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8433.326090][ T73] process_backlog+0x101/0x620 [ 8433.326090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8433.326090][ T73] net_rx_action+0x495/0xbe0 [ 8433.326090][ T73] __do_softirq+0x1b5/0x7f6 [ 8433.326090][ T73] [ 8433.327744][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8433.327744][ T73] netdev_get_by_index+0x5e/0x80 [ 8433.327744][ T73] fib6_nh_init+0x3d8/0x1580 [ 8433.327744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8433.327744][ T73] ip6_route_add+0x1c/0x140 [ 8433.327744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8433.327744][ T73] inet6_addr_add+0x4f8/0xa40 [ 8433.327744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.327744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.327744][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.327744][ T73] netlink_unicast+0x449/0x710 [ 8433.327744][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.327744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.327744][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.327744][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.327744][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.327744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.327744][ T73] [ 8433.329756][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8433.329756][ T73] netdev_get_by_index+0x5e/0x80 [ 8433.329756][ T73] fib6_nh_init+0x3d8/0x1580 [ 8433.329756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8433.329756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8433.329756][ T73] ipv6_add_addr+0x411/0x2000 [ 8433.329756][ T73] inet6_addr_add+0x30e/0xa40 [ 8433.329756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.329756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.329756][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.329756][ T73] netlink_unicast+0x449/0x710 [ 8433.329756][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.329756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.329756][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.329756][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.329756][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.329756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.329756][ T73] [ 8433.331739][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8433.331739][ T73] netdev_get_by_index+0x5e/0x80 [ 8433.331739][ T73] fib6_nh_init+0x3d8/0x1580 [ 8433.331739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8433.331739][ T73] ip6_route_add+0x1c/0x140 [ 8433.331739][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8433.331739][ T73] addrconf_add_dev+0xe2/0x170 [ 8433.331739][ T73] inet6_addr_add+0x12f/0xa40 [ 8433.331739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.331739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.331739][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.331739][ T73] netlink_unicast+0x449/0x710 [ 8433.331739][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.331739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.331739][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.331739][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.331739][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.331739][ T73] [ 8433.333691][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8433.333691][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8433.333691][ T73] ipv6_find_idev+0x102/0x170 [ 8433.333691][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8433.333691][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.333691][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.333691][ T73] netlink_unicast+0x449/0x710 [ 8433.333691][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.333691][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.333691][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.333691][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.333691][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.333691][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.333691][ T73] [ 8433.335236][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8433.335236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8433.335236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8433.335236][ T73] ipv6_find_idev+0x102/0x170 [ 8433.335236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8433.335236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.335236][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.335236][ T73] netlink_unicast+0x449/0x710 [ 8433.335236][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.335236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.335236][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.335236][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.335236][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.335236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.335236][ T73] [ 8433.336933][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8433.337173][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8433.337173][ T73] dst_init+0x84/0x4a0 [ 8433.337173][ T73] dst_alloc+0x97/0x150 [ 8433.337173][ T73] ip6_dst_alloc+0x23/0x90 [ 8433.337173][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8433.337173][ T73] ip6_pol_route+0x56f/0x840 [ 8433.337173][ T73] fib6_rule_lookup+0x456/0x630 [ 8433.337173][ T73] ip6_route_input+0x59c/0xa50 [ 8433.337173][ T73] ipv6_rcv+0x397/0x810 [ 8433.337173][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8433.337173][ T73] process_backlog+0x101/0x620 [ 8433.337173][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8433.337173][ T73] net_rx_action+0x495/0xbe0 [ 8433.337173][ T73] __do_softirq+0x1b5/0x7f6 [ 8433.337173][ T73] [ 8433.338798][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8433.338798][ T73] netdev_get_by_index+0x5e/0x80 [ 8433.338798][ T73] fib6_nh_init+0x3d8/0x1580 [ 8433.338798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8433.338798][ T73] ip6_route_add+0x1c/0x140 [ 8433.338798][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8433.338798][ T73] inet6_addr_add+0x4f8/0xa40 [ 8433.338798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.338798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.338798][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.338798][ T73] netlink_unicast+0x449/0x710 [ 8433.338798][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.338798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.338798][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.338798][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.338798][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.338798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.338798][ T73] [ 8433.340779][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8433.340779][ T73] netdev_get_by_index+0x5e/0x80 [ 8433.340779][ T73] fib6_nh_init+0x3d8/0x1580 [ 8433.340779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8433.340779][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8433.340779][ T73] ipv6_add_addr+0x411/0x2000 [ 8433.340779][ T73] inet6_addr_add+0x30e/0xa40 [ 8433.340779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.340779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.340779][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.340779][ T73] netlink_unicast+0x449/0x710 [ 8433.340779][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.340779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.340779][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.340779][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.340779][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.340779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.340779][ T73] [ 8433.342767][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8433.342767][ T73] netdev_get_by_index+0x5e/0x80 [ 8433.342767][ T73] fib6_nh_init+0x3d8/0x1580 [ 8433.342767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8433.342767][ T73] ip6_route_add+0x1c/0x140 [ 8433.342767][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8433.342767][ T73] addrconf_add_dev+0xe2/0x170 [ 8433.342767][ T73] inet6_addr_add+0x12f/0xa40 [ 8433.342767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8433.342767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.342767][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.342767][ T73] netlink_unicast+0x449/0x710 [ 8433.342767][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.342767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.342767][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.342767][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.342767][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.342767][ T73] [ 8433.344736][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8433.344736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8433.344736][ T73] ipv6_find_idev+0x102/0x170 [ 8433.344736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8433.344736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.344736][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.344736][ T73] netlink_unicast+0x449/0x710 [ 8433.344736][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.344736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.344736][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.344736][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.344736][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.344736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.344736][ T73] [ 8433.346266][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8433.346266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8433.346266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8433.346266][ T73] ipv6_find_idev+0x102/0x170 [ 8433.346266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8433.346266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8433.346266][ T73] netlink_rcv_skb+0x130/0x360 [ 8433.346266][ T73] netlink_unicast+0x449/0x710 [ 8433.346266][ T73] netlink_sendmsg+0x723/0xbe0 [ 8433.346266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8433.346266][ T73] ___sys_sendmsg+0xee/0x170 [ 8433.346266][ T73] __sys_sendmsg+0xcd/0x170 [ 8433.346266][ T73] do_syscall_64+0xc6/0x1e0 [ 8433.346266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8433.346266][ T73] [ 8442.525646][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8442.526164][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8442.526164][ T1076] netdev_get_by_index+0x5e/0x80 [ 8442.526164][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8442.526164][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8442.526164][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8442.526164][ T1076] ipv6_add_addr+0x411/0x2000 [ 8442.526164][ T1076] inet6_addr_add+0x30e/0xa40 [ 8442.526164][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8442.526164][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.526164][ T1076] netlink_rcv_skb+0x130/0x360 [ 8442.526164][ T1076] netlink_unicast+0x449/0x710 [ 8442.526164][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8442.526164][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8442.526164][ T1076] ___sys_sendmsg+0xee/0x170 [ 8442.526164][ T1076] __sys_sendmsg+0xcd/0x170 [ 8442.526164][ T1076] do_syscall_64+0xc6/0x1e0 [ 8442.526164][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.526164][ T1076] [ 8442.528469][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8442.528469][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8442.528469][ T1076] ipv6_find_idev+0x102/0x170 [ 8442.528469][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8442.528469][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.528469][ T1076] netlink_rcv_skb+0x130/0x360 [ 8442.528469][ T1076] netlink_unicast+0x449/0x710 [ 8442.528469][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8442.528469][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8442.528469][ T1076] ___sys_sendmsg+0xee/0x170 [ 8442.528469][ T1076] __sys_sendmsg+0xcd/0x170 [ 8442.528469][ T1076] do_syscall_64+0xc6/0x1e0 [ 8442.528469][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.528469][ T1076] [ 8442.530224][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8442.530224][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8442.530224][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8442.530224][ T1076] ipv6_find_idev+0x102/0x170 [ 8442.530224][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8442.530224][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8442.530224][ T1076] netlink_rcv_skb+0x130/0x360 [ 8442.530224][ T1076] netlink_unicast+0x449/0x710 [ 8442.530224][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8442.530224][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8442.530224][ T1076] ___sys_sendmsg+0xee/0x170 [ 8442.530224][ T1076] __sys_sendmsg+0xcd/0x170 [ 8442.530224][ T1076] do_syscall_64+0xc6/0x1e0 [ 8442.530224][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8442.530224][ T1076] [ 8443.589702][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8443.590129][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8443.590129][ T73] dst_init+0x84/0x4a0 [ 8443.590129][ T73] dst_alloc+0x97/0x150 [ 8443.590129][ T73] ip6_dst_alloc+0x23/0x90 [ 8443.590129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8443.590129][ T73] ip6_pol_route+0x56f/0x840 [ 8443.590129][ T73] fib6_rule_lookup+0x456/0x630 [ 8443.590129][ T73] ip6_route_input+0x59c/0xa50 [ 8443.590129][ T73] ipv6_rcv+0x397/0x810 [ 8443.590129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8443.590129][ T73] process_backlog+0x101/0x620 [ 8443.590129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8443.590129][ T73] net_rx_action+0x495/0xbe0 [ 8443.590129][ T73] __do_softirq+0x1b5/0x7f6 [ 8443.590129][ T73] [ 8443.591779][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8443.591779][ T73] netdev_get_by_index+0x5e/0x80 [ 8443.591779][ T73] fib6_nh_init+0x3d8/0x1580 [ 8443.591779][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8443.591779][ T73] ip6_route_add+0x1c/0x140 [ 8443.591779][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8443.591779][ T73] inet6_addr_add+0x4f8/0xa40 [ 8443.591779][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.591779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.591779][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.591779][ T73] netlink_unicast+0x449/0x710 [ 8443.591779][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.591779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.591779][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.591779][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.591779][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.591779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.591779][ T73] [ 8443.593771][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8443.593771][ T73] netdev_get_by_index+0x5e/0x80 [ 8443.593771][ T73] fib6_nh_init+0x3d8/0x1580 [ 8443.593771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8443.593771][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8443.593771][ T73] ipv6_add_addr+0x411/0x2000 [ 8443.593771][ T73] inet6_addr_add+0x30e/0xa40 [ 8443.593771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.593771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.593771][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.593771][ T73] netlink_unicast+0x449/0x710 [ 8443.593771][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.593771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.593771][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.593771][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.593771][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.593771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.593771][ T73] [ 8443.595768][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8443.595768][ T73] netdev_get_by_index+0x5e/0x80 [ 8443.595768][ T73] fib6_nh_init+0x3d8/0x1580 [ 8443.595768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8443.595768][ T73] ip6_route_add+0x1c/0x140 [ 8443.595768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8443.595768][ T73] addrconf_add_dev+0xe2/0x170 [ 8443.595768][ T73] inet6_addr_add+0x12f/0xa40 [ 8443.595768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.595768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.595768][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.595768][ T73] netlink_unicast+0x449/0x710 [ 8443.595768][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.595768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.595768][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.595768][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.595768][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.595768][ T73] [ 8443.597717][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8443.597717][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8443.597717][ T73] ipv6_find_idev+0x102/0x170 [ 8443.597717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8443.597717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.597717][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.597717][ T73] netlink_unicast+0x449/0x710 [ 8443.597717][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.597717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.597717][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.597717][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.597717][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.597717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.597717][ T73] [ 8443.599249][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8443.599249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8443.599249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8443.599249][ T73] ipv6_find_idev+0x102/0x170 [ 8443.599249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8443.599249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.599249][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.599249][ T73] netlink_unicast+0x449/0x710 [ 8443.599249][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.599249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.599249][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.599249][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.599249][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.599249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.599249][ T73] [ 8443.600921][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8443.601161][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8443.601161][ T73] dst_init+0x84/0x4a0 [ 8443.601161][ T73] dst_alloc+0x97/0x150 [ 8443.601161][ T73] ip6_dst_alloc+0x23/0x90 [ 8443.601161][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8443.601161][ T73] ip6_pol_route+0x56f/0x840 [ 8443.601161][ T73] fib6_rule_lookup+0x456/0x630 [ 8443.601161][ T73] ip6_route_input+0x59c/0xa50 [ 8443.601161][ T73] ipv6_rcv+0x397/0x810 [ 8443.601161][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8443.601161][ T73] process_backlog+0x101/0x620 [ 8443.601161][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8443.601161][ T73] net_rx_action+0x495/0xbe0 [ 8443.601161][ T73] __do_softirq+0x1b5/0x7f6 [ 8443.601161][ T73] [ 8443.602792][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8443.602792][ T73] netdev_get_by_index+0x5e/0x80 [ 8443.602792][ T73] fib6_nh_init+0x3d8/0x1580 [ 8443.602792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8443.602792][ T73] ip6_route_add+0x1c/0x140 [ 8443.602792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8443.602792][ T73] inet6_addr_add+0x4f8/0xa40 [ 8443.602792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.602792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.602792][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.602792][ T73] netlink_unicast+0x449/0x710 [ 8443.602792][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.602792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.602792][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.602792][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.602792][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.602792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.602792][ T73] [ 8443.604778][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8443.604778][ T73] netdev_get_by_index+0x5e/0x80 [ 8443.604778][ T73] fib6_nh_init+0x3d8/0x1580 [ 8443.604778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8443.604778][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8443.604778][ T73] ipv6_add_addr+0x411/0x2000 [ 8443.604778][ T73] inet6_addr_add+0x30e/0xa40 [ 8443.604778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.604778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.604778][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.604778][ T73] netlink_unicast+0x449/0x710 [ 8443.604778][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.604778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.604778][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.604778][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.604778][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.604778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.604778][ T73] [ 8443.606761][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8443.606761][ T73] netdev_get_by_index+0x5e/0x80 [ 8443.606761][ T73] fib6_nh_init+0x3d8/0x1580 [ 8443.606761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8443.606761][ T73] ip6_route_add+0x1c/0x140 [ 8443.606761][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8443.606761][ T73] addrconf_add_dev+0xe2/0x170 [ 8443.606761][ T73] inet6_addr_add+0x12f/0xa40 [ 8443.606761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8443.606761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.606761][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.606761][ T73] netlink_unicast+0x449/0x710 [ 8443.606761][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.606761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.606761][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.606761][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.606761][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.606761][ T73] [ 8443.608707][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8443.608707][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8443.608707][ T73] ipv6_find_idev+0x102/0x170 [ 8443.608707][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8443.608707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.608707][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.608707][ T73] netlink_unicast+0x449/0x710 [ 8443.608707][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.608707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.608707][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.608707][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.608707][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.608707][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.608707][ T73] [ 8443.610239][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8443.610239][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8443.610239][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8443.610239][ T73] ipv6_find_idev+0x102/0x170 [ 8443.610239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8443.610239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8443.610239][ T73] netlink_rcv_skb+0x130/0x360 [ 8443.610239][ T73] netlink_unicast+0x449/0x710 [ 8443.610239][ T73] netlink_sendmsg+0x723/0xbe0 [ 8443.610239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8443.610239][ T73] ___sys_sendmsg+0xee/0x170 [ 8443.610239][ T73] __sys_sendmsg+0xcd/0x170 [ 8443.610239][ T73] do_syscall_64+0xc6/0x1e0 [ 8443.610239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8443.610239][ T73] [ 8452.773700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8452.774431][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8452.774431][ T1076] netdev_get_by_index+0x5e/0x80 [ 8452.774431][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8452.774431][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8452.774431][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8452.774431][ T1076] ipv6_add_addr+0x411/0x2000 [ 8452.774431][ T1076] inet6_addr_add+0x30e/0xa40 [ 8452.774431][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8452.774431][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.774431][ T1076] netlink_rcv_skb+0x130/0x360 [ 8452.774431][ T1076] netlink_unicast+0x449/0x710 [ 8452.774431][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8452.774431][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8452.774431][ T1076] ___sys_sendmsg+0xee/0x170 [ 8452.774431][ T1076] __sys_sendmsg+0xcd/0x170 [ 8452.774431][ T1076] do_syscall_64+0xc6/0x1e0 [ 8452.774431][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.774431][ T1076] [ 8452.778704][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8452.778704][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8452.778704][ T1076] ipv6_find_idev+0x102/0x170 [ 8452.778704][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8452.778704][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.778704][ T1076] netlink_rcv_skb+0x130/0x360 [ 8452.778704][ T1076] netlink_unicast+0x449/0x710 [ 8452.778704][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8452.778704][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8452.778704][ T1076] ___sys_sendmsg+0xee/0x170 [ 8452.778704][ T1076] __sys_sendmsg+0xcd/0x170 [ 8452.778704][ T1076] do_syscall_64+0xc6/0x1e0 [ 8452.778704][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.778704][ T1076] [ 8452.780899][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8452.780899][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8452.780899][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8452.780899][ T1076] ipv6_find_idev+0x102/0x170 [ 8452.780899][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8452.780899][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8452.780899][ T1076] netlink_rcv_skb+0x130/0x360 [ 8452.780899][ T1076] netlink_unicast+0x449/0x710 [ 8452.780899][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8452.780899][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8452.780899][ T1076] ___sys_sendmsg+0xee/0x170 [ 8452.780899][ T1076] __sys_sendmsg+0xcd/0x170 [ 8452.780899][ T1076] do_syscall_64+0xc6/0x1e0 [ 8452.780899][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8452.780899][ T1076] [ 8453.853706][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8453.854142][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8453.854142][ T73] dst_init+0x84/0x4a0 [ 8453.854142][ T73] dst_alloc+0x97/0x150 [ 8453.854142][ T73] ip6_dst_alloc+0x23/0x90 [ 8453.854142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8453.854142][ T73] ip6_pol_route+0x56f/0x840 [ 8453.854142][ T73] fib6_rule_lookup+0x456/0x630 [ 8453.854142][ T73] ip6_route_input+0x59c/0xa50 [ 8453.854142][ T73] ipv6_rcv+0x397/0x810 [ 8453.854142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8453.854142][ T73] process_backlog+0x101/0x620 [ 8453.854142][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8453.854142][ T73] net_rx_action+0x495/0xbe0 [ 8453.854142][ T73] __do_softirq+0x1b5/0x7f6 [ 8453.854142][ T73] [ 8453.855799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8453.855799][ T73] netdev_get_by_index+0x5e/0x80 [ 8453.855799][ T73] fib6_nh_init+0x3d8/0x1580 [ 8453.855799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8453.855799][ T73] ip6_route_add+0x1c/0x140 [ 8453.855799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8453.855799][ T73] inet6_addr_add+0x4f8/0xa40 [ 8453.855799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.855799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.855799][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.855799][ T73] netlink_unicast+0x449/0x710 [ 8453.855799][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.855799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.855799][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.855799][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.855799][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.855799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.855799][ T73] [ 8453.857801][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8453.857801][ T73] netdev_get_by_index+0x5e/0x80 [ 8453.857801][ T73] fib6_nh_init+0x3d8/0x1580 [ 8453.857801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8453.857801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8453.857801][ T73] ipv6_add_addr+0x411/0x2000 [ 8453.857801][ T73] inet6_addr_add+0x30e/0xa40 [ 8453.857801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.857801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.857801][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.857801][ T73] netlink_unicast+0x449/0x710 [ 8453.857801][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.857801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.857801][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.857801][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.857801][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.857801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.857801][ T73] [ 8453.859789][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8453.859789][ T73] netdev_get_by_index+0x5e/0x80 [ 8453.859789][ T73] fib6_nh_init+0x3d8/0x1580 [ 8453.859789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8453.859789][ T73] ip6_route_add+0x1c/0x140 [ 8453.859789][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8453.859789][ T73] addrconf_add_dev+0xe2/0x170 [ 8453.859789][ T73] inet6_addr_add+0x12f/0xa40 [ 8453.859789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.859789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.859789][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.859789][ T73] netlink_unicast+0x449/0x710 [ 8453.859789][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.859789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.859789][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.859789][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.859789][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.859789][ T73] [ 8453.861738][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8453.861738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8453.861738][ T73] ipv6_find_idev+0x102/0x170 [ 8453.861738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.861738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.861738][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.861738][ T73] netlink_unicast+0x449/0x710 [ 8453.861738][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.861738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.861738][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.861738][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.861738][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.861738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.861738][ T73] [ 8453.863265][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8453.863265][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8453.863265][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8453.863265][ T73] ipv6_find_idev+0x102/0x170 [ 8453.863265][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.863265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.863265][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.863265][ T73] netlink_unicast+0x449/0x710 [ 8453.863265][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.863265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.863265][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.863265][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.863265][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.863265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.863265][ T73] [ 8453.864951][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8453.865192][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8453.865192][ T73] dst_init+0x84/0x4a0 [ 8453.865192][ T73] dst_alloc+0x97/0x150 [ 8453.865192][ T73] ip6_dst_alloc+0x23/0x90 [ 8453.865192][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8453.865192][ T73] ip6_pol_route+0x56f/0x840 [ 8453.865192][ T73] fib6_rule_lookup+0x456/0x630 [ 8453.865192][ T73] ip6_route_input+0x59c/0xa50 [ 8453.865192][ T73] ipv6_rcv+0x397/0x810 [ 8453.865192][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8453.865192][ T73] process_backlog+0x101/0x620 [ 8453.865192][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8453.865192][ T73] net_rx_action+0x495/0xbe0 [ 8453.865192][ T73] __do_softirq+0x1b5/0x7f6 [ 8453.865192][ T73] [ 8453.866815][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8453.866815][ T73] netdev_get_by_index+0x5e/0x80 [ 8453.866815][ T73] fib6_nh_init+0x3d8/0x1580 [ 8453.866815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8453.866815][ T73] ip6_route_add+0x1c/0x140 [ 8453.866815][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8453.866815][ T73] inet6_addr_add+0x4f8/0xa40 [ 8453.866815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.866815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.866815][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.866815][ T73] netlink_unicast+0x449/0x710 [ 8453.866815][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.866815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.866815][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.866815][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.866815][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.866815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.866815][ T73] [ 8453.868801][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8453.868801][ T73] netdev_get_by_index+0x5e/0x80 [ 8453.868801][ T73] fib6_nh_init+0x3d8/0x1580 [ 8453.868801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8453.868801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8453.868801][ T73] ipv6_add_addr+0x411/0x2000 [ 8453.868801][ T73] inet6_addr_add+0x30e/0xa40 [ 8453.868801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.868801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.868801][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.868801][ T73] netlink_unicast+0x449/0x710 [ 8453.868801][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.868801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.868801][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.868801][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.868801][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.868801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.868801][ T73] [ 8453.870784][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8453.870784][ T73] netdev_get_by_index+0x5e/0x80 [ 8453.870784][ T73] fib6_nh_init+0x3d8/0x1580 [ 8453.870784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8453.870784][ T73] ip6_route_add+0x1c/0x140 [ 8453.870784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8453.870784][ T73] addrconf_add_dev+0xe2/0x170 [ 8453.870784][ T73] inet6_addr_add+0x12f/0xa40 [ 8453.870784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8453.870784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.870784][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.870784][ T73] netlink_unicast+0x449/0x710 [ 8453.870784][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.870784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.870784][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.870784][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.870784][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.870784][ T73] [ 8453.872727][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8453.872727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8453.872727][ T73] ipv6_find_idev+0x102/0x170 [ 8453.872727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.872727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.872727][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.872727][ T73] netlink_unicast+0x449/0x710 [ 8453.872727][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.872727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.872727][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.872727][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.872727][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.872727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.872727][ T73] [ 8453.874259][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8453.874259][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8453.874259][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8453.874259][ T73] ipv6_find_idev+0x102/0x170 [ 8453.874259][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8453.874259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8453.874259][ T73] netlink_rcv_skb+0x130/0x360 [ 8453.874259][ T73] netlink_unicast+0x449/0x710 [ 8453.874259][ T73] netlink_sendmsg+0x723/0xbe0 [ 8453.874259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8453.874259][ T73] ___sys_sendmsg+0xee/0x170 [ 8453.874259][ T73] __sys_sendmsg+0xcd/0x170 [ 8453.874259][ T73] do_syscall_64+0xc6/0x1e0 [ 8453.874259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8453.874259][ T73] [ 8462.909731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8462.910221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8462.910221][ T1076] netdev_get_by_index+0x5e/0x80 [ 8462.910221][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8462.910221][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8462.910221][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8462.910221][ T1076] ipv6_add_addr+0x411/0x2000 [ 8462.910221][ T1076] inet6_addr_add+0x30e/0xa40 [ 8462.910221][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8462.910221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.910221][ T1076] netlink_rcv_skb+0x130/0x360 [ 8462.910221][ T1076] netlink_unicast+0x449/0x710 [ 8462.910221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8462.910221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8462.910221][ T1076] ___sys_sendmsg+0xee/0x170 [ 8462.910221][ T1076] __sys_sendmsg+0xcd/0x170 [ 8462.910221][ T1076] do_syscall_64+0xc6/0x1e0 [ 8462.910221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.910221][ T1076] [ 8462.912481][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8462.912481][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8462.912481][ T1076] ipv6_find_idev+0x102/0x170 [ 8462.912481][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8462.912481][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.912481][ T1076] netlink_rcv_skb+0x130/0x360 [ 8462.912481][ T1076] netlink_unicast+0x449/0x710 [ 8462.912481][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8462.912481][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8462.912481][ T1076] ___sys_sendmsg+0xee/0x170 [ 8462.912481][ T1076] __sys_sendmsg+0xcd/0x170 [ 8462.912481][ T1076] do_syscall_64+0xc6/0x1e0 [ 8462.912481][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.912481][ T1076] [ 8462.914257][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8462.914257][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8462.914257][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8462.914257][ T1076] ipv6_find_idev+0x102/0x170 [ 8462.914257][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8462.914257][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8462.914257][ T1076] netlink_rcv_skb+0x130/0x360 [ 8462.914257][ T1076] netlink_unicast+0x449/0x710 [ 8462.914257][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8462.914257][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8462.914257][ T1076] ___sys_sendmsg+0xee/0x170 [ 8462.914257][ T1076] __sys_sendmsg+0xcd/0x170 [ 8462.914257][ T1076] do_syscall_64+0xc6/0x1e0 [ 8462.914257][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8462.914257][ T1076] [ 8463.933725][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8463.944895][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8463.944895][ T73] dst_init+0x84/0x4a0 [ 8463.944895][ T73] dst_alloc+0x97/0x150 [ 8463.944895][ T73] ip6_dst_alloc+0x23/0x90 [ 8463.944895][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8463.944895][ T73] ip6_pol_route+0x56f/0x840 [ 8463.944895][ T73] fib6_rule_lookup+0x456/0x630 [ 8463.944895][ T73] ip6_route_input+0x59c/0xa50 [ 8463.944895][ T73] ipv6_rcv+0x397/0x810 [ 8463.944895][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8463.944895][ T73] process_backlog+0x101/0x620 [ 8463.944895][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8463.944895][ T73] net_rx_action+0x495/0xbe0 [ 8463.944895][ T73] __do_softirq+0x1b5/0x7f6 [ 8463.944895][ T73] [ 8463.965210][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8463.965210][ T73] netdev_get_by_index+0x5e/0x80 [ 8463.965210][ T73] fib6_nh_init+0x3d8/0x1580 [ 8463.965210][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8463.965210][ T73] ip6_route_add+0x1c/0x140 [ 8463.965210][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8463.965210][ T73] inet6_addr_add+0x4f8/0xa40 [ 8463.965210][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.965210][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.965210][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.965210][ T73] netlink_unicast+0x449/0x710 [ 8463.965210][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.965210][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.965210][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.965210][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.965210][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.965210][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.965210][ T73] [ 8463.969534][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8463.969534][ T73] netdev_get_by_index+0x5e/0x80 [ 8463.969534][ T73] fib6_nh_init+0x3d8/0x1580 [ 8463.969534][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8463.969534][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8463.969534][ T73] ipv6_add_addr+0x411/0x2000 [ 8463.969534][ T73] inet6_addr_add+0x30e/0xa40 [ 8463.969534][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.969534][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.969534][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.969534][ T73] netlink_unicast+0x449/0x710 [ 8463.969534][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.969534][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.969534][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.969534][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.969534][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.969534][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.969534][ T73] [ 8463.974503][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8463.974503][ T73] netdev_get_by_index+0x5e/0x80 [ 8463.974503][ T73] fib6_nh_init+0x3d8/0x1580 [ 8463.974503][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8463.974503][ T73] ip6_route_add+0x1c/0x140 [ 8463.974503][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8463.974503][ T73] addrconf_add_dev+0xe2/0x170 [ 8463.974503][ T73] inet6_addr_add+0x12f/0xa40 [ 8463.974503][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.974503][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.974503][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.974503][ T73] netlink_unicast+0x449/0x710 [ 8463.974503][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.974503][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.974503][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.974503][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.974503][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.974503][ T73] [ 8463.978825][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8463.978825][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8463.978825][ T73] ipv6_find_idev+0x102/0x170 [ 8463.978825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8463.978825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.978825][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.978825][ T73] netlink_unicast+0x449/0x710 [ 8463.978825][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.978825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.978825][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.978825][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.978825][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.978825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.978825][ T73] [ 8463.982202][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8463.982202][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8463.982202][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8463.982202][ T73] ipv6_find_idev+0x102/0x170 [ 8463.982202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8463.982202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.982202][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.982202][ T73] netlink_unicast+0x449/0x710 [ 8463.982202][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.982202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.982202][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.982202][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.982202][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.982202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.982202][ T73] [ 8463.985961][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8463.986531][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8463.986531][ T73] dst_init+0x84/0x4a0 [ 8463.986531][ T73] dst_alloc+0x97/0x150 [ 8463.986531][ T73] ip6_dst_alloc+0x23/0x90 [ 8463.986531][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8463.986531][ T73] ip6_pol_route+0x56f/0x840 [ 8463.986531][ T73] fib6_rule_lookup+0x456/0x630 [ 8463.986531][ T73] ip6_route_input+0x59c/0xa50 [ 8463.986531][ T73] ipv6_rcv+0x397/0x810 [ 8463.986531][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8463.986531][ T73] process_backlog+0x101/0x620 [ 8463.986531][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8463.986531][ T73] net_rx_action+0x495/0xbe0 [ 8463.986531][ T73] __do_softirq+0x1b5/0x7f6 [ 8463.986531][ T73] [ 8463.990266][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8463.990266][ T73] netdev_get_by_index+0x5e/0x80 [ 8463.990266][ T73] fib6_nh_init+0x3d8/0x1580 [ 8463.990266][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8463.990266][ T73] ip6_route_add+0x1c/0x140 [ 8463.990266][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8463.990266][ T73] inet6_addr_add+0x4f8/0xa40 [ 8463.990266][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.990266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.990266][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.990266][ T73] netlink_unicast+0x449/0x710 [ 8463.990266][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.990266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.990266][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.990266][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.990266][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.990266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.990266][ T73] [ 8463.996848][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8463.996848][ T73] netdev_get_by_index+0x5e/0x80 [ 8463.996848][ T73] fib6_nh_init+0x3d8/0x1580 [ 8463.996848][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8463.996848][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8463.996848][ T73] ipv6_add_addr+0x411/0x2000 [ 8463.996848][ T73] inet6_addr_add+0x30e/0xa40 [ 8463.996848][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8463.996848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8463.996848][ T73] netlink_rcv_skb+0x130/0x360 [ 8463.996848][ T73] netlink_unicast+0x449/0x710 [ 8463.996848][ T73] netlink_sendmsg+0x723/0xbe0 [ 8463.996848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8463.996848][ T73] ___sys_sendmsg+0xee/0x170 [ 8463.996848][ T73] __sys_sendmsg+0xcd/0x170 [ 8463.996848][ T73] do_syscall_64+0xc6/0x1e0 [ 8463.996848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8463.996848][ T73] [ 8464.001491][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8464.001491][ T73] netdev_get_by_index+0x5e/0x80 [ 8464.001491][ T73] fib6_nh_init+0x3d8/0x1580 [ 8464.001491][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8464.001491][ T73] ip6_route_add+0x1c/0x140 [ 8464.001491][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8464.001491][ T73] addrconf_add_dev+0xe2/0x170 [ 8464.001491][ T73] inet6_addr_add+0x12f/0xa40 [ 8464.001491][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8464.001491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8464.001491][ T73] netlink_rcv_skb+0x130/0x360 [ 8464.001491][ T73] netlink_unicast+0x449/0x710 [ 8464.001491][ T73] netlink_sendmsg+0x723/0xbe0 [ 8464.001491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8464.001491][ T73] ___sys_sendmsg+0xee/0x170 [ 8464.001491][ T73] __sys_sendmsg+0xcd/0x170 [ 8464.001491][ T73] do_syscall_64+0xc6/0x1e0 [ 8464.001491][ T73] [ 8464.006075][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8464.006075][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8464.006075][ T73] ipv6_find_idev+0x102/0x170 [ 8464.006075][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8464.006075][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8464.006075][ T73] netlink_rcv_skb+0x130/0x360 [ 8464.006075][ T73] netlink_unicast+0x449/0x710 [ 8464.006075][ T73] netlink_sendmsg+0x723/0xbe0 [ 8464.006075][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8464.006075][ T73] ___sys_sendmsg+0xee/0x170 [ 8464.006075][ T73] __sys_sendmsg+0xcd/0x170 [ 8464.006075][ T73] do_syscall_64+0xc6/0x1e0 [ 8464.006075][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8464.006075][ T73] [ 8464.009462][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8464.009462][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8464.009462][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8464.009462][ T73] ipv6_find_idev+0x102/0x170 [ 8464.009462][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8464.009462][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8464.009462][ T73] netlink_rcv_skb+0x130/0x360 [ 8464.009462][ T73] netlink_unicast+0x449/0x710 [ 8464.009462][ T73] netlink_sendmsg+0x723/0xbe0 [ 8464.009462][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8464.009462][ T73] ___sys_sendmsg+0xee/0x170 [ 8464.009462][ T73] __sys_sendmsg+0xcd/0x170 [ 8464.009462][ T73] do_syscall_64+0xc6/0x1e0 [ 8464.009462][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8464.009462][ T73] [ 8472.925783][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8472.926506][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8472.926506][ T1076] netdev_get_by_index+0x5e/0x80 [ 8472.926506][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8472.926506][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8472.926506][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8472.926506][ T1076] ipv6_add_addr+0x411/0x2000 [ 8472.926506][ T1076] inet6_addr_add+0x30e/0xa40 [ 8472.926506][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8472.926506][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.926506][ T1076] netlink_rcv_skb+0x130/0x360 [ 8472.926506][ T1076] netlink_unicast+0x449/0x710 [ 8472.926506][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8472.926506][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8472.926506][ T1076] ___sys_sendmsg+0xee/0x170 [ 8472.926506][ T1076] __sys_sendmsg+0xcd/0x170 [ 8472.926506][ T1076] do_syscall_64+0xc6/0x1e0 [ 8472.926506][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.926506][ T1076] [ 8472.930333][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8472.930333][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8472.930333][ T1076] ipv6_find_idev+0x102/0x170 [ 8472.930333][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8472.930333][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.930333][ T1076] netlink_rcv_skb+0x130/0x360 [ 8472.930333][ T1076] netlink_unicast+0x449/0x710 [ 8472.930333][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8472.930333][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8472.930333][ T1076] ___sys_sendmsg+0xee/0x170 [ 8472.930333][ T1076] __sys_sendmsg+0xcd/0x170 [ 8472.930333][ T1076] do_syscall_64+0xc6/0x1e0 [ 8472.930333][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.930333][ T1076] [ 8472.934648][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8472.934648][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8472.934648][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8472.934648][ T1076] ipv6_find_idev+0x102/0x170 [ 8472.934648][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8472.934648][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8472.934648][ T1076] netlink_rcv_skb+0x130/0x360 [ 8472.934648][ T1076] netlink_unicast+0x449/0x710 [ 8472.934648][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8472.934648][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8472.934648][ T1076] ___sys_sendmsg+0xee/0x170 [ 8472.934648][ T1076] __sys_sendmsg+0xcd/0x170 [ 8472.934648][ T1076] do_syscall_64+0xc6/0x1e0 [ 8472.934648][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8472.934648][ T1076] [ 8474.013718][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8474.024769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8474.024769][ T73] dst_init+0x84/0x4a0 [ 8474.024769][ T73] dst_alloc+0x97/0x150 [ 8474.024769][ T73] ip6_dst_alloc+0x23/0x90 [ 8474.024769][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8474.024769][ T73] ip6_pol_route+0x56f/0x840 [ 8474.024769][ T73] fib6_rule_lookup+0x456/0x630 [ 8474.024769][ T73] ip6_route_input+0x59c/0xa50 [ 8474.024769][ T73] ipv6_rcv+0x397/0x810 [ 8474.024769][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8474.024769][ T73] process_backlog+0x101/0x620 [ 8474.024769][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8474.024769][ T73] net_rx_action+0x495/0xbe0 [ 8474.024769][ T73] __do_softirq+0x1b5/0x7f6 [ 8474.024769][ T73] [ 8474.052003][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8474.052003][ T73] netdev_get_by_index+0x5e/0x80 [ 8474.052003][ T73] fib6_nh_init+0x3d8/0x1580 [ 8474.052003][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8474.052003][ T73] ip6_route_add+0x1c/0x140 [ 8474.052003][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8474.052003][ T73] inet6_addr_add+0x4f8/0xa40 [ 8474.052003][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.052003][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.052003][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.052003][ T73] netlink_unicast+0x449/0x710 [ 8474.052003][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.052003][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.052003][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.052003][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.052003][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.052003][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.052003][ T73] [ 8474.056499][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8474.056499][ T73] netdev_get_by_index+0x5e/0x80 [ 8474.056499][ T73] fib6_nh_init+0x3d8/0x1580 [ 8474.056499][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8474.056499][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8474.056499][ T73] ipv6_add_addr+0x411/0x2000 [ 8474.056499][ T73] inet6_addr_add+0x30e/0xa40 [ 8474.056499][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.056499][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.056499][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.056499][ T73] netlink_unicast+0x449/0x710 [ 8474.056499][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.056499][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.056499][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.056499][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.056499][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.056499][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.056499][ T73] [ 8474.060821][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8474.060821][ T73] netdev_get_by_index+0x5e/0x80 [ 8474.060821][ T73] fib6_nh_init+0x3d8/0x1580 [ 8474.060821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8474.060821][ T73] ip6_route_add+0x1c/0x140 [ 8474.060821][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8474.060821][ T73] addrconf_add_dev+0xe2/0x170 [ 8474.060821][ T73] inet6_addr_add+0x12f/0xa40 [ 8474.060821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.060821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.060821][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.060821][ T73] netlink_unicast+0x449/0x710 [ 8474.060821][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.060821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.060821][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.060821][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.060821][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.060821][ T73] [ 8474.071202][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8474.071202][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8474.071202][ T73] ipv6_find_idev+0x102/0x170 [ 8474.071202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8474.071202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.071202][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.071202][ T73] netlink_unicast+0x449/0x710 [ 8474.071202][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.071202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.071202][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.071202][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.071202][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.071202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.071202][ T73] [ 8474.074668][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8474.074668][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8474.074668][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8474.074668][ T73] ipv6_find_idev+0x102/0x170 [ 8474.074668][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8474.074668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.074668][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.074668][ T73] netlink_unicast+0x449/0x710 [ 8474.074668][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.074668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.074668][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.074668][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.074668][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.074668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.074668][ T73] [ 8474.091751][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8474.092449][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8474.092449][ T73] dst_init+0x84/0x4a0 [ 8474.092449][ T73] dst_alloc+0x97/0x150 [ 8474.092449][ T73] ip6_dst_alloc+0x23/0x90 [ 8474.092449][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8474.092449][ T73] ip6_pol_route+0x56f/0x840 [ 8474.092449][ T73] fib6_rule_lookup+0x456/0x630 [ 8474.092449][ T73] ip6_route_input+0x59c/0xa50 [ 8474.092449][ T73] ipv6_rcv+0x397/0x810 [ 8474.092449][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8474.092449][ T73] process_backlog+0x101/0x620 [ 8474.092449][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8474.092449][ T73] net_rx_action+0x495/0xbe0 [ 8474.092449][ T73] __do_softirq+0x1b5/0x7f6 [ 8474.092449][ T73] [ 8474.095795][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8474.095795][ T73] netdev_get_by_index+0x5e/0x80 [ 8474.095795][ T73] fib6_nh_init+0x3d8/0x1580 [ 8474.095795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8474.095795][ T73] ip6_route_add+0x1c/0x140 [ 8474.095795][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8474.095795][ T73] inet6_addr_add+0x4f8/0xa40 [ 8474.095795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.095795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.095795][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.095795][ T73] netlink_unicast+0x449/0x710 [ 8474.095795][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.095795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.095795][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.095795][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.095795][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.095795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.095795][ T73] [ 8474.100603][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8474.100603][ T73] netdev_get_by_index+0x5e/0x80 [ 8474.100603][ T73] fib6_nh_init+0x3d8/0x1580 [ 8474.100603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8474.100603][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8474.100603][ T73] ipv6_add_addr+0x411/0x2000 [ 8474.100603][ T73] inet6_addr_add+0x30e/0xa40 [ 8474.100603][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.100603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.100603][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.100603][ T73] netlink_unicast+0x449/0x710 [ 8474.100603][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.100603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.100603][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.100603][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.100603][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.100603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.100603][ T73] [ 8474.105348][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8474.105348][ T73] netdev_get_by_index+0x5e/0x80 [ 8474.105348][ T73] fib6_nh_init+0x3d8/0x1580 [ 8474.105348][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8474.105348][ T73] ip6_route_add+0x1c/0x140 [ 8474.105348][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8474.105348][ T73] addrconf_add_dev+0xe2/0x170 [ 8474.105348][ T73] inet6_addr_add+0x12f/0xa40 [ 8474.105348][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8474.105348][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.105348][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.105348][ T73] netlink_unicast+0x449/0x710 [ 8474.105348][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.105348][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.105348][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.105348][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.105348][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.105348][ T73] [ 8474.109615][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8474.109615][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8474.109615][ T73] ipv6_find_idev+0x102/0x170 [ 8474.109615][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8474.109615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.109615][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.109615][ T73] netlink_unicast+0x449/0x710 [ 8474.109615][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.109615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.109615][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.109615][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.109615][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.109615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.109615][ T73] [ 8474.113066][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8474.113066][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8474.113066][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8474.113066][ T73] ipv6_find_idev+0x102/0x170 [ 8474.113066][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8474.113066][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8474.113066][ T73] netlink_rcv_skb+0x130/0x360 [ 8474.113066][ T73] netlink_unicast+0x449/0x710 [ 8474.113066][ T73] netlink_sendmsg+0x723/0xbe0 [ 8474.113066][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8474.113066][ T73] ___sys_sendmsg+0xee/0x170 [ 8474.113066][ T73] __sys_sendmsg+0xcd/0x170 [ 8474.113066][ T73] do_syscall_64+0xc6/0x1e0 [ 8474.113066][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8474.113066][ T73] [ 8480.037772][ T42] INFO: task modprobe:1264 blocked for more than 1228 seconds. [ 8480.062068][ T42] Not tainted 6.8.0-virtme #1 [ 8480.062412][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8480.062981][ T42] task:modprobe state:D stack:25648 pid:1264 tgid:1264 ppid:76 flags:0x00004002 [ 8480.063555][ T42] Call Trace: [ 8480.063801][ T42] [ 8480.064023][ T42] __schedule+0x705/0x1ac0 [ 8480.064342][ T42] ? __pfx___schedule+0x10/0x10 [ 8480.064657][ T42] ? schedule+0x1a5/0x210 [ 8480.064891][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8480.065330][ T42] ? mark_lock+0x38/0x3e0 [ 8480.065682][ T42] ? do_raw_spin_lock+0x131/0x270 [ 8480.066120][ T42] ? schedule+0x1a5/0x210 [ 8480.066436][ T42] schedule+0xdf/0x210 [ 8480.066908][ T42] schedule_preempt_disabled+0x15/0x30 [ 8480.067340][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 8480.067771][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 8480.068262][ T42] ? kasan_save_stack+0x34/0x50 [ 8480.068695][ T42] ? kasan_save_stack+0x24/0x50 [ 8480.069110][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 8480.069520][ T42] ? lock_acquire+0x1c1/0x220 [ 8480.069963][ T42] ? register_pernet_subsys+0x1a/0x50 [ 8480.070404][ T42] down_write+0x1c9/0x200 [ 8480.070854][ T42] ? __pfx_down_write+0x10/0x10 [ 8480.071304][ T42] ? __pfx___lock_release+0x10/0x10 [ 8480.071749][ T42] ? __pfx_nf_defrag_init+0x10/0x10 [nf_defrag_ipv4] [ 8480.072291][ T42] register_pernet_subsys+0x1a/0x50 [ 8480.072731][ T42] nf_defrag_init+0x19/0xff0 [nf_defrag_ipv4] [ 8480.073268][ T42] do_one_initcall+0xc8/0x3f0 [ 8480.073715][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 8480.074159][ T42] ? __create_object+0x5e/0xb0 [ 8480.074573][ T42] ? kasan_unpoison+0x27/0x60 [ 8480.075147][ T42] do_init_module+0x233/0x740 [ 8480.075579][ T42] load_module+0x16b5/0x2350 [ 8480.076044][ T42] ? __pfx_load_module+0x10/0x10 [ 8480.076459][ T42] ? kernel_read_file+0x3d2/0x520 [ 8480.076889][ T42] ? kernel_read_file+0x300/0x520 [ 8480.077302][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 8480.077726][ T42] ? init_module_from_file+0xd2/0x130 [ 8480.078143][ T42] init_module_from_file+0xd2/0x130 [ 8480.078537][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 8480.079153][ T42] ? __lock_release+0x103/0x460 [ 8480.079547][ T42] ? idempotent_init_module+0x32a/0x620 [ 8480.079960][ T42] ? idempotent_init_module+0x32a/0x620 [ 8480.080319][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 8480.080702][ T42] idempotent_init_module+0x342/0x620 [ 8480.081084][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 8480.081639][ T42] __x64_sys_finit_module+0xbe/0x130 [ 8480.082078][ T42] do_syscall_64+0xc6/0x1e0 [ 8480.082483][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8480.083155][ T42] RIP: 0033:0x7f6e8f82ce5d [ 8480.083574][ T42] RSP: 002b:00007ffefcc46238 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 8480.084193][ T42] RAX: ffffffffffffffda RBX: 0000558f3dc168d0 RCX: 00007f6e8f82ce5d [ 8480.084820][ T42] RDX: 0000000000000000 RSI: 0000558f064faa2a RDI: 0000000000000000 [ 8480.085417][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 0000558f3dc15c10 [ 8480.086028][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f064faa2a [ 8480.086734][ T42] R13: 0000558f3dc16880 R14: 0000558f3dc17710 R15: 0000000000000000 [ 8480.087388][ T42] [ 8480.087722][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 8480.088391][ T42] [ 8480.088391][ T42] Showing all locks held in the system: [ 8480.088980][ T42] 1 lock held by khungtaskd/42: [ 8480.089377][ T42] #0: ffffffff929591e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 8480.090129][ T42] 3 locks held by kworker/u16:1/73: [ 8480.090499][ T42] #0: ffff88800190a948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8480.091460][ T42] #1: ffffc900004efda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8480.092185][ T42] #2: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xb60 [ 8480.092936][ T42] 2 locks held by kworker/u20:1/76: [ 8480.093332][ T42] #0: ffff888001161d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 8480.094180][ T42] #1: ffffc9000051fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 8480.095246][ T42] 1 lock held by modprobe/1264: [ 8480.095671][ T42] #0: ffffffff9316a1d0 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 8480.096472][ T42] [ 8480.096690][ T42] ============================================= [ 8480.096690][ T42] [ 8483.037788][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8483.054195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8483.054195][ T1076] netdev_get_by_index+0x5e/0x80 [ 8483.054195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8483.054195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8483.054195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8483.054195][ T1076] ipv6_add_addr+0x411/0x2000 [ 8483.054195][ T1076] inet6_addr_add+0x30e/0xa40 [ 8483.054195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8483.054195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.054195][ T1076] netlink_rcv_skb+0x130/0x360 [ 8483.054195][ T1076] netlink_unicast+0x449/0x710 [ 8483.054195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8483.054195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8483.054195][ T1076] ___sys_sendmsg+0xee/0x170 [ 8483.054195][ T1076] __sys_sendmsg+0xcd/0x170 [ 8483.054195][ T1076] do_syscall_64+0xc6/0x1e0 [ 8483.054195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.054195][ T1076] [ 8483.060059][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8483.060059][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8483.060059][ T1076] ipv6_find_idev+0x102/0x170 [ 8483.060059][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8483.060059][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.060059][ T1076] netlink_rcv_skb+0x130/0x360 [ 8483.060059][ T1076] netlink_unicast+0x449/0x710 [ 8483.060059][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8483.060059][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8483.060059][ T1076] ___sys_sendmsg+0xee/0x170 [ 8483.060059][ T1076] __sys_sendmsg+0xcd/0x170 [ 8483.060059][ T1076] do_syscall_64+0xc6/0x1e0 [ 8483.060059][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.060059][ T1076] [ 8483.065494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8483.065494][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8483.065494][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8483.065494][ T1076] ipv6_find_idev+0x102/0x170 [ 8483.065494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8483.065494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8483.065494][ T1076] netlink_rcv_skb+0x130/0x360 [ 8483.065494][ T1076] netlink_unicast+0x449/0x710 [ 8483.065494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8483.065494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8483.065494][ T1076] ___sys_sendmsg+0xee/0x170 [ 8483.065494][ T1076] __sys_sendmsg+0xcd/0x170 [ 8483.065494][ T1076] do_syscall_64+0xc6/0x1e0 [ 8483.065494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8483.065494][ T1076] [ 8484.357755][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8484.365376][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8484.365376][ T73] dst_init+0x84/0x4a0 [ 8484.365376][ T73] dst_alloc+0x97/0x150 [ 8484.365376][ T73] ip6_dst_alloc+0x23/0x90 [ 8484.365376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8484.365376][ T73] ip6_pol_route+0x56f/0x840 [ 8484.365376][ T73] fib6_rule_lookup+0x456/0x630 [ 8484.365376][ T73] ip6_route_input+0x59c/0xa50 [ 8484.365376][ T73] ipv6_rcv+0x397/0x810 [ 8484.365376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8484.365376][ T73] process_backlog+0x101/0x620 [ 8484.365376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8484.365376][ T73] net_rx_action+0x495/0xbe0 [ 8484.365376][ T73] __do_softirq+0x1b5/0x7f6 [ 8484.365376][ T73] [ 8484.376844][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8484.376844][ T73] netdev_get_by_index+0x5e/0x80 [ 8484.376844][ T73] fib6_nh_init+0x3d8/0x1580 [ 8484.376844][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8484.376844][ T73] ip6_route_add+0x1c/0x140 [ 8484.376844][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8484.376844][ T73] inet6_addr_add+0x4f8/0xa40 [ 8484.376844][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.376844][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.376844][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.376844][ T73] netlink_unicast+0x449/0x710 [ 8484.376844][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.376844][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.376844][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.376844][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.376844][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.376844][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.376844][ T73] [ 8484.380438][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8484.380438][ T73] netdev_get_by_index+0x5e/0x80 [ 8484.380438][ T73] fib6_nh_init+0x3d8/0x1580 [ 8484.380438][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8484.380438][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8484.380438][ T73] ipv6_add_addr+0x411/0x2000 [ 8484.380438][ T73] inet6_addr_add+0x30e/0xa40 [ 8484.380438][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.380438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.380438][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.380438][ T73] netlink_unicast+0x449/0x710 [ 8484.380438][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.380438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.380438][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.380438][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.380438][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.380438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.380438][ T73] [ 8484.383916][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8484.383916][ T73] netdev_get_by_index+0x5e/0x80 [ 8484.383916][ T73] fib6_nh_init+0x3d8/0x1580 [ 8484.383916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8484.383916][ T73] ip6_route_add+0x1c/0x140 [ 8484.383916][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8484.383916][ T73] addrconf_add_dev+0xe2/0x170 [ 8484.383916][ T73] inet6_addr_add+0x12f/0xa40 [ 8484.383916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.383916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.383916][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.383916][ T73] netlink_unicast+0x449/0x710 [ 8484.383916][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.383916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.383916][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.383916][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.383916][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.383916][ T73] [ 8484.389379][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8484.389379][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8484.389379][ T73] ipv6_find_idev+0x102/0x170 [ 8484.389379][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8484.389379][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.389379][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.389379][ T73] netlink_unicast+0x449/0x710 [ 8484.389379][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.389379][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.389379][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.389379][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.389379][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.389379][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.389379][ T73] [ 8484.392836][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8484.392836][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8484.392836][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8484.392836][ T73] ipv6_find_idev+0x102/0x170 [ 8484.392836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8484.392836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.392836][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.392836][ T73] netlink_unicast+0x449/0x710 [ 8484.392836][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.392836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.392836][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.392836][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.392836][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.392836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.392836][ T73] [ 8484.396574][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8484.397178][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8484.397178][ T73] dst_init+0x84/0x4a0 [ 8484.397178][ T73] dst_alloc+0x97/0x150 [ 8484.397178][ T73] ip6_dst_alloc+0x23/0x90 [ 8484.397178][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8484.397178][ T73] ip6_pol_route+0x56f/0x840 [ 8484.397178][ T73] fib6_rule_lookup+0x456/0x630 [ 8484.397178][ T73] ip6_route_input+0x59c/0xa50 [ 8484.397178][ T73] ipv6_rcv+0x397/0x810 [ 8484.397178][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8484.397178][ T73] process_backlog+0x101/0x620 [ 8484.397178][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8484.397178][ T73] net_rx_action+0x495/0xbe0 [ 8484.397178][ T73] __do_softirq+0x1b5/0x7f6 [ 8484.397178][ T73] [ 8484.402627][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8484.402627][ T73] netdev_get_by_index+0x5e/0x80 [ 8484.402627][ T73] fib6_nh_init+0x3d8/0x1580 [ 8484.402627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8484.402627][ T73] ip6_route_add+0x1c/0x140 [ 8484.402627][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8484.402627][ T73] inet6_addr_add+0x4f8/0xa40 [ 8484.402627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.402627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.402627][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.402627][ T73] netlink_unicast+0x449/0x710 [ 8484.402627][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.402627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.402627][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.402627][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.402627][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.402627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.402627][ T73] [ 8484.407197][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8484.407197][ T73] netdev_get_by_index+0x5e/0x80 [ 8484.407197][ T73] fib6_nh_init+0x3d8/0x1580 [ 8484.407197][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8484.407197][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8484.407197][ T73] ipv6_add_addr+0x411/0x2000 [ 8484.407197][ T73] inet6_addr_add+0x30e/0xa40 [ 8484.407197][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.407197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.407197][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.407197][ T73] netlink_unicast+0x449/0x710 [ 8484.407197][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.407197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.407197][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.407197][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.407197][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.407197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.407197][ T73] [ 8484.413064][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8484.413064][ T73] netdev_get_by_index+0x5e/0x80 [ 8484.413064][ T73] fib6_nh_init+0x3d8/0x1580 [ 8484.413064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8484.413064][ T73] ip6_route_add+0x1c/0x140 [ 8484.413064][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8484.413064][ T73] addrconf_add_dev+0xe2/0x170 [ 8484.413064][ T73] inet6_addr_add+0x12f/0xa40 [ 8484.413064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8484.413064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.413064][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.413064][ T73] netlink_unicast+0x449/0x710 [ 8484.413064][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.413064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.413064][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.413064][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.413064][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.413064][ T73] [ 8484.417469][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8484.417469][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8484.417469][ T73] ipv6_find_idev+0x102/0x170 [ 8484.417469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8484.417469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.417469][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.417469][ T73] netlink_unicast+0x449/0x710 [ 8484.417469][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.417469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.417469][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.417469][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.417469][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.417469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.417469][ T73] [ 8484.420902][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8484.420902][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8484.420902][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8484.420902][ T73] ipv6_find_idev+0x102/0x170 [ 8484.420902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8484.420902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8484.420902][ T73] netlink_rcv_skb+0x130/0x360 [ 8484.420902][ T73] netlink_unicast+0x449/0x710 [ 8484.420902][ T73] netlink_sendmsg+0x723/0xbe0 [ 8484.420902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8484.420902][ T73] ___sys_sendmsg+0xee/0x170 [ 8484.420902][ T73] __sys_sendmsg+0xcd/0x170 [ 8484.420902][ T73] do_syscall_64+0xc6/0x1e0 [ 8484.420902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8484.420902][ T73] [ 8493.325793][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8493.326374][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8493.326374][ T1076] netdev_get_by_index+0x5e/0x80 [ 8493.326374][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8493.326374][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8493.326374][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8493.326374][ T1076] ipv6_add_addr+0x411/0x2000 [ 8493.326374][ T1076] inet6_addr_add+0x30e/0xa40 [ 8493.326374][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8493.326374][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8493.326374][ T1076] netlink_rcv_skb+0x130/0x360 [ 8493.326374][ T1076] netlink_unicast+0x449/0x710 [ 8493.326374][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8493.326374][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8493.326374][ T1076] ___sys_sendmsg+0xee/0x170 [ 8493.326374][ T1076] __sys_sendmsg+0xcd/0x170 [ 8493.326374][ T1076] do_syscall_64+0xc6/0x1e0 [ 8493.326374][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8493.326374][ T1076] [ 8493.329175][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8493.329175][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8493.329175][ T1076] ipv6_find_idev+0x102/0x170 [ 8493.329175][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8493.329175][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8493.329175][ T1076] netlink_rcv_skb+0x130/0x360 [ 8493.329175][ T1076] netlink_unicast+0x449/0x710 [ 8493.329175][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8493.329175][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8493.329175][ T1076] ___sys_sendmsg+0xee/0x170 [ 8493.329175][ T1076] __sys_sendmsg+0xcd/0x170 [ 8493.329175][ T1076] do_syscall_64+0xc6/0x1e0 [ 8493.329175][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8493.329175][ T1076] [ 8493.331303][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8493.331303][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8493.331303][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8493.331303][ T1076] ipv6_find_idev+0x102/0x170 [ 8493.331303][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8493.331303][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8493.331303][ T1076] netlink_rcv_skb+0x130/0x360 [ 8493.331303][ T1076] netlink_unicast+0x449/0x710 [ 8493.331303][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8493.331303][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8493.331303][ T1076] ___sys_sendmsg+0xee/0x170 [ 8493.331303][ T1076] __sys_sendmsg+0xcd/0x170 [ 8493.331303][ T1076] do_syscall_64+0xc6/0x1e0 [ 8493.331303][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8493.331303][ T1076] [ 8494.461763][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8494.462270][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8494.462270][ T73] dst_init+0x84/0x4a0 [ 8494.462270][ T73] dst_alloc+0x97/0x150 [ 8494.462270][ T73] ip6_dst_alloc+0x23/0x90 [ 8494.462270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8494.462270][ T73] ip6_pol_route+0x56f/0x840 [ 8494.462270][ T73] fib6_rule_lookup+0x456/0x630 [ 8494.462270][ T73] ip6_route_input+0x59c/0xa50 [ 8494.462270][ T73] ipv6_rcv+0x397/0x810 [ 8494.462270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8494.462270][ T73] process_backlog+0x101/0x620 [ 8494.462270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8494.462270][ T73] net_rx_action+0x495/0xbe0 [ 8494.462270][ T73] __do_softirq+0x1b5/0x7f6 [ 8494.462270][ T73] [ 8494.464182][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8494.464182][ T73] netdev_get_by_index+0x5e/0x80 [ 8494.464182][ T73] fib6_nh_init+0x3d8/0x1580 [ 8494.464182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8494.464182][ T73] ip6_route_add+0x1c/0x140 [ 8494.464182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8494.464182][ T73] inet6_addr_add+0x4f8/0xa40 [ 8494.464182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.464182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.464182][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.464182][ T73] netlink_unicast+0x449/0x710 [ 8494.464182][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.464182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.464182][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.464182][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.464182][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.464182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.464182][ T73] [ 8494.466480][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8494.466480][ T73] netdev_get_by_index+0x5e/0x80 [ 8494.466480][ T73] fib6_nh_init+0x3d8/0x1580 [ 8494.466480][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8494.466480][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8494.466480][ T73] ipv6_add_addr+0x411/0x2000 [ 8494.466480][ T73] inet6_addr_add+0x30e/0xa40 [ 8494.466480][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.466480][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.466480][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.466480][ T73] netlink_unicast+0x449/0x710 [ 8494.466480][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.466480][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.466480][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.466480][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.466480][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.466480][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.466480][ T73] [ 8494.468773][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8494.468773][ T73] netdev_get_by_index+0x5e/0x80 [ 8494.468773][ T73] fib6_nh_init+0x3d8/0x1580 [ 8494.468773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8494.468773][ T73] ip6_route_add+0x1c/0x140 [ 8494.468773][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8494.468773][ T73] addrconf_add_dev+0xe2/0x170 [ 8494.468773][ T73] inet6_addr_add+0x12f/0xa40 [ 8494.468773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.468773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.468773][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.468773][ T73] netlink_unicast+0x449/0x710 [ 8494.468773][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.468773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.468773][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.468773][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.468773][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.468773][ T73] [ 8494.471015][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8494.471015][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8494.471015][ T73] ipv6_find_idev+0x102/0x170 [ 8494.471015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.471015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.471015][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.471015][ T73] netlink_unicast+0x449/0x710 [ 8494.471015][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.471015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.471015][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.471015][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.471015][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.471015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.471015][ T73] [ 8494.472783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8494.472783][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8494.472783][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8494.472783][ T73] ipv6_find_idev+0x102/0x170 [ 8494.472783][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.472783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.472783][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.472783][ T73] netlink_unicast+0x449/0x710 [ 8494.472783][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.472783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.472783][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.472783][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.472783][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.472783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.472783][ T73] [ 8494.474745][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8494.475023][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8494.475023][ T73] dst_init+0x84/0x4a0 [ 8494.475023][ T73] dst_alloc+0x97/0x150 [ 8494.475023][ T73] ip6_dst_alloc+0x23/0x90 [ 8494.475023][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8494.475023][ T73] ip6_pol_route+0x56f/0x840 [ 8494.475023][ T73] fib6_rule_lookup+0x456/0x630 [ 8494.475023][ T73] ip6_route_input+0x59c/0xa50 [ 8494.475023][ T73] ipv6_rcv+0x397/0x810 [ 8494.475023][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8494.475023][ T73] process_backlog+0x101/0x620 [ 8494.475023][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8494.475023][ T73] net_rx_action+0x495/0xbe0 [ 8494.475023][ T73] __do_softirq+0x1b5/0x7f6 [ 8494.475023][ T73] [ 8494.476882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8494.476882][ T73] netdev_get_by_index+0x5e/0x80 [ 8494.476882][ T73] fib6_nh_init+0x3d8/0x1580 [ 8494.476882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8494.476882][ T73] ip6_route_add+0x1c/0x140 [ 8494.476882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8494.476882][ T73] inet6_addr_add+0x4f8/0xa40 [ 8494.476882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.476882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.476882][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.476882][ T73] netlink_unicast+0x449/0x710 [ 8494.476882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.476882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.476882][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.476882][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.476882][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.476882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.476882][ T73] [ 8494.479146][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8494.479146][ T73] netdev_get_by_index+0x5e/0x80 [ 8494.479146][ T73] fib6_nh_init+0x3d8/0x1580 [ 8494.479146][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8494.479146][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8494.479146][ T73] ipv6_add_addr+0x411/0x2000 [ 8494.479146][ T73] inet6_addr_add+0x30e/0xa40 [ 8494.479146][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.479146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.479146][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.479146][ T73] netlink_unicast+0x449/0x710 [ 8494.479146][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.479146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.479146][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.479146][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.479146][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.479146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.479146][ T73] [ 8494.481418][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8494.481418][ T73] netdev_get_by_index+0x5e/0x80 [ 8494.481418][ T73] fib6_nh_init+0x3d8/0x1580 [ 8494.481418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8494.481418][ T73] ip6_route_add+0x1c/0x140 [ 8494.481418][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8494.481418][ T73] addrconf_add_dev+0xe2/0x170 [ 8494.481418][ T73] inet6_addr_add+0x12f/0xa40 [ 8494.481418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8494.481418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.481418][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.481418][ T73] netlink_unicast+0x449/0x710 [ 8494.481418][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.481418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.481418][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.481418][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.481418][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.481418][ T73] [ 8494.483660][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8494.483660][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8494.483660][ T73] ipv6_find_idev+0x102/0x170 [ 8494.483660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.483660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.483660][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.483660][ T73] netlink_unicast+0x449/0x710 [ 8494.483660][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.483660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.483660][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.483660][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.483660][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.483660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.483660][ T73] [ 8494.485397][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8494.485397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8494.485397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8494.485397][ T73] ipv6_find_idev+0x102/0x170 [ 8494.485397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8494.485397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8494.485397][ T73] netlink_rcv_skb+0x130/0x360 [ 8494.485397][ T73] netlink_unicast+0x449/0x710 [ 8494.485397][ T73] netlink_sendmsg+0x723/0xbe0 [ 8494.485397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8494.485397][ T73] ___sys_sendmsg+0xee/0x170 [ 8494.485397][ T73] __sys_sendmsg+0xcd/0x170 [ 8494.485397][ T73] do_syscall_64+0xc6/0x1e0 [ 8494.485397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8494.485397][ T73] [ 8503.581731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8503.582324][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8503.582324][ T1076] netdev_get_by_index+0x5e/0x80 [ 8503.582324][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8503.582324][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8503.582324][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8503.582324][ T1076] ipv6_add_addr+0x411/0x2000 [ 8503.582324][ T1076] inet6_addr_add+0x30e/0xa40 [ 8503.582324][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8503.582324][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8503.582324][ T1076] netlink_rcv_skb+0x130/0x360 [ 8503.582324][ T1076] netlink_unicast+0x449/0x710 [ 8503.582324][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8503.582324][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8503.582324][ T1076] ___sys_sendmsg+0xee/0x170 [ 8503.582324][ T1076] __sys_sendmsg+0xcd/0x170 [ 8503.582324][ T1076] do_syscall_64+0xc6/0x1e0 [ 8503.582324][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8503.582324][ T1076] [ 8503.584934][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8503.584934][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8503.584934][ T1076] ipv6_find_idev+0x102/0x170 [ 8503.584934][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8503.584934][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8503.584934][ T1076] netlink_rcv_skb+0x130/0x360 [ 8503.584934][ T1076] netlink_unicast+0x449/0x710 [ 8503.584934][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8503.584934][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8503.584934][ T1076] ___sys_sendmsg+0xee/0x170 [ 8503.584934][ T1076] __sys_sendmsg+0xcd/0x170 [ 8503.584934][ T1076] do_syscall_64+0xc6/0x1e0 [ 8503.584934][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8503.584934][ T1076] [ 8503.586926][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8503.586926][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8503.586926][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8503.586926][ T1076] ipv6_find_idev+0x102/0x170 [ 8503.586926][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8503.586926][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8503.586926][ T1076] netlink_rcv_skb+0x130/0x360 [ 8503.586926][ T1076] netlink_unicast+0x449/0x710 [ 8503.586926][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8503.586926][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8503.586926][ T1076] ___sys_sendmsg+0xee/0x170 [ 8503.586926][ T1076] __sys_sendmsg+0xcd/0x170 [ 8503.586926][ T1076] do_syscall_64+0xc6/0x1e0 [ 8503.586926][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8503.586926][ T1076] [ 8504.725711][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8504.726199][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8504.726199][ T73] dst_init+0x84/0x4a0 [ 8504.726199][ T73] dst_alloc+0x97/0x150 [ 8504.726199][ T73] ip6_dst_alloc+0x23/0x90 [ 8504.726199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8504.726199][ T73] ip6_pol_route+0x56f/0x840 [ 8504.726199][ T73] fib6_rule_lookup+0x456/0x630 [ 8504.726199][ T73] ip6_route_input+0x59c/0xa50 [ 8504.726199][ T73] ipv6_rcv+0x397/0x810 [ 8504.726199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8504.726199][ T73] process_backlog+0x101/0x620 [ 8504.726199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8504.726199][ T73] net_rx_action+0x495/0xbe0 [ 8504.726199][ T73] __do_softirq+0x1b5/0x7f6 [ 8504.726199][ T73] [ 8504.728092][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8504.728092][ T73] netdev_get_by_index+0x5e/0x80 [ 8504.728092][ T73] fib6_nh_init+0x3d8/0x1580 [ 8504.728092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8504.728092][ T73] ip6_route_add+0x1c/0x140 [ 8504.728092][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8504.728092][ T73] inet6_addr_add+0x4f8/0xa40 [ 8504.728092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.728092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.728092][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.728092][ T73] netlink_unicast+0x449/0x710 [ 8504.728092][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.728092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.728092][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.728092][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.728092][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.728092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.728092][ T73] [ 8504.730357][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8504.730357][ T73] netdev_get_by_index+0x5e/0x80 [ 8504.730357][ T73] fib6_nh_init+0x3d8/0x1580 [ 8504.730357][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8504.730357][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8504.730357][ T73] ipv6_add_addr+0x411/0x2000 [ 8504.730357][ T73] inet6_addr_add+0x30e/0xa40 [ 8504.730357][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.730357][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.730357][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.730357][ T73] netlink_unicast+0x449/0x710 [ 8504.730357][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.730357][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.730357][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.730357][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.730357][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.730357][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.730357][ T73] [ 8504.732621][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8504.732621][ T73] netdev_get_by_index+0x5e/0x80 [ 8504.732621][ T73] fib6_nh_init+0x3d8/0x1580 [ 8504.732621][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8504.732621][ T73] ip6_route_add+0x1c/0x140 [ 8504.732621][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8504.732621][ T73] addrconf_add_dev+0xe2/0x170 [ 8504.732621][ T73] inet6_addr_add+0x12f/0xa40 [ 8504.732621][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.732621][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.732621][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.732621][ T73] netlink_unicast+0x449/0x710 [ 8504.732621][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.732621][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.732621][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.732621][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.732621][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.732621][ T73] [ 8504.734929][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8504.734929][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8504.734929][ T73] ipv6_find_idev+0x102/0x170 [ 8504.734929][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.734929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.734929][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.734929][ T73] netlink_unicast+0x449/0x710 [ 8504.734929][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.734929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.734929][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.734929][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.734929][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.734929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.734929][ T73] [ 8504.736672][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8504.736672][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8504.736672][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8504.736672][ T73] ipv6_find_idev+0x102/0x170 [ 8504.736672][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.736672][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.736672][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.736672][ T73] netlink_unicast+0x449/0x710 [ 8504.736672][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.736672][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.736672][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.736672][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.736672][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.736672][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.736672][ T73] [ 8504.738620][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8504.738893][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8504.738893][ T73] dst_init+0x84/0x4a0 [ 8504.738893][ T73] dst_alloc+0x97/0x150 [ 8504.738893][ T73] ip6_dst_alloc+0x23/0x90 [ 8504.738893][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8504.738893][ T73] ip6_pol_route+0x56f/0x840 [ 8504.738893][ T73] fib6_rule_lookup+0x456/0x630 [ 8504.738893][ T73] ip6_route_input+0x59c/0xa50 [ 8504.738893][ T73] ipv6_rcv+0x397/0x810 [ 8504.738893][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8504.738893][ T73] process_backlog+0x101/0x620 [ 8504.738893][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8504.738893][ T73] net_rx_action+0x495/0xbe0 [ 8504.738893][ T73] __do_softirq+0x1b5/0x7f6 [ 8504.738893][ T73] [ 8504.740783][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8504.740783][ T73] netdev_get_by_index+0x5e/0x80 [ 8504.740783][ T73] fib6_nh_init+0x3d8/0x1580 [ 8504.740783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8504.740783][ T73] ip6_route_add+0x1c/0x140 [ 8504.740783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8504.740783][ T73] inet6_addr_add+0x4f8/0xa40 [ 8504.740783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.740783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.740783][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.740783][ T73] netlink_unicast+0x449/0x710 [ 8504.740783][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.740783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.740783][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.740783][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.740783][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.740783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.740783][ T73] [ 8504.743051][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8504.743051][ T73] netdev_get_by_index+0x5e/0x80 [ 8504.743051][ T73] fib6_nh_init+0x3d8/0x1580 [ 8504.743051][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8504.743051][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8504.743051][ T73] ipv6_add_addr+0x411/0x2000 [ 8504.743051][ T73] inet6_addr_add+0x30e/0xa40 [ 8504.743051][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.743051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.743051][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.743051][ T73] netlink_unicast+0x449/0x710 [ 8504.743051][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.743051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.743051][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.743051][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.743051][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.743051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.743051][ T73] [ 8504.745343][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8504.745343][ T73] netdev_get_by_index+0x5e/0x80 [ 8504.745343][ T73] fib6_nh_init+0x3d8/0x1580 [ 8504.745343][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8504.745343][ T73] ip6_route_add+0x1c/0x140 [ 8504.745343][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8504.745343][ T73] addrconf_add_dev+0xe2/0x170 [ 8504.745343][ T73] inet6_addr_add+0x12f/0xa40 [ 8504.745343][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8504.745343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.745343][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.745343][ T73] netlink_unicast+0x449/0x710 [ 8504.745343][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.745343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.745343][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.745343][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.745343][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.745343][ T73] [ 8504.747592][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8504.747592][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8504.747592][ T73] ipv6_find_idev+0x102/0x170 [ 8504.747592][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.747592][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.747592][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.747592][ T73] netlink_unicast+0x449/0x710 [ 8504.747592][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.747592][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.747592][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.747592][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.747592][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.747592][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.747592][ T73] [ 8504.749367][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8504.749367][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8504.749367][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8504.749367][ T73] ipv6_find_idev+0x102/0x170 [ 8504.749367][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8504.749367][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8504.749367][ T73] netlink_rcv_skb+0x130/0x360 [ 8504.749367][ T73] netlink_unicast+0x449/0x710 [ 8504.749367][ T73] netlink_sendmsg+0x723/0xbe0 [ 8504.749367][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8504.749367][ T73] ___sys_sendmsg+0xee/0x170 [ 8504.749367][ T73] __sys_sendmsg+0xcd/0x170 [ 8504.749367][ T73] do_syscall_64+0xc6/0x1e0 [ 8504.749367][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8504.749367][ T73] [ 8513.837760][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8513.838283][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8513.838283][ T1076] netdev_get_by_index+0x5e/0x80 [ 8513.838283][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8513.838283][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8513.838283][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8513.838283][ T1076] ipv6_add_addr+0x411/0x2000 [ 8513.838283][ T1076] inet6_addr_add+0x30e/0xa40 [ 8513.838283][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8513.838283][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.838283][ T1076] netlink_rcv_skb+0x130/0x360 [ 8513.838283][ T1076] netlink_unicast+0x449/0x710 [ 8513.838283][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8513.838283][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8513.838283][ T1076] ___sys_sendmsg+0xee/0x170 [ 8513.838283][ T1076] __sys_sendmsg+0xcd/0x170 [ 8513.838283][ T1076] do_syscall_64+0xc6/0x1e0 [ 8513.838283][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.838283][ T1076] [ 8513.840871][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8513.840871][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8513.840871][ T1076] ipv6_find_idev+0x102/0x170 [ 8513.840871][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8513.840871][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.840871][ T1076] netlink_rcv_skb+0x130/0x360 [ 8513.840871][ T1076] netlink_unicast+0x449/0x710 [ 8513.840871][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8513.840871][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8513.840871][ T1076] ___sys_sendmsg+0xee/0x170 [ 8513.840871][ T1076] __sys_sendmsg+0xcd/0x170 [ 8513.840871][ T1076] do_syscall_64+0xc6/0x1e0 [ 8513.840871][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.840871][ T1076] [ 8513.842839][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8513.842839][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8513.842839][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8513.842839][ T1076] ipv6_find_idev+0x102/0x170 [ 8513.842839][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8513.842839][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8513.842839][ T1076] netlink_rcv_skb+0x130/0x360 [ 8513.842839][ T1076] netlink_unicast+0x449/0x710 [ 8513.842839][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8513.842839][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8513.842839][ T1076] ___sys_sendmsg+0xee/0x170 [ 8513.842839][ T1076] __sys_sendmsg+0xcd/0x170 [ 8513.842839][ T1076] do_syscall_64+0xc6/0x1e0 [ 8513.842839][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8513.842839][ T1076] [ 8514.989783][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8514.990200][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8514.990200][ T73] dst_init+0x84/0x4a0 [ 8514.990200][ T73] dst_alloc+0x97/0x150 [ 8514.990200][ T73] ip6_dst_alloc+0x23/0x90 [ 8514.990200][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8514.990200][ T73] ip6_pol_route+0x56f/0x840 [ 8514.990200][ T73] fib6_rule_lookup+0x456/0x630 [ 8514.990200][ T73] ip6_route_input+0x59c/0xa50 [ 8514.990200][ T73] ipv6_rcv+0x397/0x810 [ 8514.990200][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8514.990200][ T73] process_backlog+0x101/0x620 [ 8514.990200][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8514.990200][ T73] net_rx_action+0x495/0xbe0 [ 8514.990200][ T73] __do_softirq+0x1b5/0x7f6 [ 8514.990200][ T73] [ 8514.992027][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8514.992027][ T73] netdev_get_by_index+0x5e/0x80 [ 8514.992027][ T73] fib6_nh_init+0x3d8/0x1580 [ 8514.992027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8514.992027][ T73] ip6_route_add+0x1c/0x140 [ 8514.992027][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8514.992027][ T73] inet6_addr_add+0x4f8/0xa40 [ 8514.992027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8514.992027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.992027][ T73] netlink_rcv_skb+0x130/0x360 [ 8514.992027][ T73] netlink_unicast+0x449/0x710 [ 8514.992027][ T73] netlink_sendmsg+0x723/0xbe0 [ 8514.992027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8514.992027][ T73] ___sys_sendmsg+0xee/0x170 [ 8514.992027][ T73] __sys_sendmsg+0xcd/0x170 [ 8514.992027][ T73] do_syscall_64+0xc6/0x1e0 [ 8514.992027][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.992027][ T73] [ 8514.994258][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8514.994258][ T73] netdev_get_by_index+0x5e/0x80 [ 8514.994258][ T73] fib6_nh_init+0x3d8/0x1580 [ 8514.994258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8514.994258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8514.994258][ T73] ipv6_add_addr+0x411/0x2000 [ 8514.994258][ T73] inet6_addr_add+0x30e/0xa40 [ 8514.994258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8514.994258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.994258][ T73] netlink_rcv_skb+0x130/0x360 [ 8514.994258][ T73] netlink_unicast+0x449/0x710 [ 8514.994258][ T73] netlink_sendmsg+0x723/0xbe0 [ 8514.994258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8514.994258][ T73] ___sys_sendmsg+0xee/0x170 [ 8514.994258][ T73] __sys_sendmsg+0xcd/0x170 [ 8514.994258][ T73] do_syscall_64+0xc6/0x1e0 [ 8514.994258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.994258][ T73] [ 8514.996464][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8514.996464][ T73] netdev_get_by_index+0x5e/0x80 [ 8514.996464][ T73] fib6_nh_init+0x3d8/0x1580 [ 8514.996464][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8514.996464][ T73] ip6_route_add+0x1c/0x140 [ 8514.996464][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8514.996464][ T73] addrconf_add_dev+0xe2/0x170 [ 8514.996464][ T73] inet6_addr_add+0x12f/0xa40 [ 8514.996464][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8514.996464][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.996464][ T73] netlink_rcv_skb+0x130/0x360 [ 8514.996464][ T73] netlink_unicast+0x449/0x710 [ 8514.996464][ T73] netlink_sendmsg+0x723/0xbe0 [ 8514.996464][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8514.996464][ T73] ___sys_sendmsg+0xee/0x170 [ 8514.996464][ T73] __sys_sendmsg+0xcd/0x170 [ 8514.996464][ T73] do_syscall_64+0xc6/0x1e0 [ 8514.996464][ T73] [ 8514.998622][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8514.998622][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8514.998622][ T73] ipv6_find_idev+0x102/0x170 [ 8514.998622][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8514.998622][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8514.998622][ T73] netlink_rcv_skb+0x130/0x360 [ 8514.998622][ T73] netlink_unicast+0x449/0x710 [ 8514.998622][ T73] netlink_sendmsg+0x723/0xbe0 [ 8514.998622][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8514.998622][ T73] ___sys_sendmsg+0xee/0x170 [ 8514.998622][ T73] __sys_sendmsg+0xcd/0x170 [ 8514.998622][ T73] do_syscall_64+0xc6/0x1e0 [ 8514.998622][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8514.998622][ T73] [ 8515.000319][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8515.000319][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8515.000319][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8515.000319][ T73] ipv6_find_idev+0x102/0x170 [ 8515.000319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8515.000319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.000319][ T73] netlink_rcv_skb+0x130/0x360 [ 8515.000319][ T73] netlink_unicast+0x449/0x710 [ 8515.000319][ T73] netlink_sendmsg+0x723/0xbe0 [ 8515.000319][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8515.000319][ T73] ___sys_sendmsg+0xee/0x170 [ 8515.000319][ T73] __sys_sendmsg+0xcd/0x170 [ 8515.000319][ T73] do_syscall_64+0xc6/0x1e0 [ 8515.000319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.000319][ T73] [ 8515.002187][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8515.002450][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8515.002450][ T73] dst_init+0x84/0x4a0 [ 8515.002450][ T73] dst_alloc+0x97/0x150 [ 8515.002450][ T73] ip6_dst_alloc+0x23/0x90 [ 8515.002450][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8515.002450][ T73] ip6_pol_route+0x56f/0x840 [ 8515.002450][ T73] fib6_rule_lookup+0x456/0x630 [ 8515.002450][ T73] ip6_route_input+0x59c/0xa50 [ 8515.002450][ T73] ipv6_rcv+0x397/0x810 [ 8515.002450][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8515.002450][ T73] process_backlog+0x101/0x620 [ 8515.002450][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8515.002450][ T73] net_rx_action+0x495/0xbe0 [ 8515.002450][ T73] __do_softirq+0x1b5/0x7f6 [ 8515.002450][ T73] [ 8515.004259][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8515.004259][ T73] netdev_get_by_index+0x5e/0x80 [ 8515.004259][ T73] fib6_nh_init+0x3d8/0x1580 [ 8515.004259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8515.004259][ T73] ip6_route_add+0x1c/0x140 [ 8515.004259][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8515.004259][ T73] inet6_addr_add+0x4f8/0xa40 [ 8515.004259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8515.004259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.004259][ T73] netlink_rcv_skb+0x130/0x360 [ 8515.004259][ T73] netlink_unicast+0x449/0x710 [ 8515.004259][ T73] netlink_sendmsg+0x723/0xbe0 [ 8515.004259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8515.004259][ T73] ___sys_sendmsg+0xee/0x170 [ 8515.004259][ T73] __sys_sendmsg+0xcd/0x170 [ 8515.004259][ T73] do_syscall_64+0xc6/0x1e0 [ 8515.004259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.004259][ T73] [ 8515.006498][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8515.006498][ T73] netdev_get_by_index+0x5e/0x80 [ 8515.006498][ T73] fib6_nh_init+0x3d8/0x1580 [ 8515.006498][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8515.006498][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8515.006498][ T73] ipv6_add_addr+0x411/0x2000 [ 8515.006498][ T73] inet6_addr_add+0x30e/0xa40 [ 8515.006498][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8515.006498][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.006498][ T73] netlink_rcv_skb+0x130/0x360 [ 8515.006498][ T73] netlink_unicast+0x449/0x710 [ 8515.006498][ T73] netlink_sendmsg+0x723/0xbe0 [ 8515.006498][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8515.006498][ T73] ___sys_sendmsg+0xee/0x170 [ 8515.006498][ T73] __sys_sendmsg+0xcd/0x170 [ 8515.006498][ T73] do_syscall_64+0xc6/0x1e0 [ 8515.006498][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.006498][ T73] [ 8515.008709][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8515.008709][ T73] netdev_get_by_index+0x5e/0x80 [ 8515.008709][ T73] fib6_nh_init+0x3d8/0x1580 [ 8515.008709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8515.008709][ T73] ip6_route_add+0x1c/0x140 [ 8515.008709][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8515.008709][ T73] addrconf_add_dev+0xe2/0x170 [ 8515.008709][ T73] inet6_addr_add+0x12f/0xa40 [ 8515.008709][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8515.008709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.008709][ T73] netlink_rcv_skb+0x130/0x360 [ 8515.008709][ T73] netlink_unicast+0x449/0x710 [ 8515.008709][ T73] netlink_sendmsg+0x723/0xbe0 [ 8515.008709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8515.008709][ T73] ___sys_sendmsg+0xee/0x170 [ 8515.008709][ T73] __sys_sendmsg+0xcd/0x170 [ 8515.008709][ T73] do_syscall_64+0xc6/0x1e0 [ 8515.008709][ T73] [ 8515.010876][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8515.010876][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8515.010876][ T73] ipv6_find_idev+0x102/0x170 [ 8515.010876][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8515.010876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.010876][ T73] netlink_rcv_skb+0x130/0x360 [ 8515.010876][ T73] netlink_unicast+0x449/0x710 [ 8515.010876][ T73] netlink_sendmsg+0x723/0xbe0 [ 8515.010876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8515.010876][ T73] ___sys_sendmsg+0xee/0x170 [ 8515.010876][ T73] __sys_sendmsg+0xcd/0x170 [ 8515.010876][ T73] do_syscall_64+0xc6/0x1e0 [ 8515.010876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.010876][ T73] [ 8515.012582][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8515.012582][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8515.012582][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8515.012582][ T73] ipv6_find_idev+0x102/0x170 [ 8515.012582][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8515.012582][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8515.012582][ T73] netlink_rcv_skb+0x130/0x360 [ 8515.012582][ T73] netlink_unicast+0x449/0x710 [ 8515.012582][ T73] netlink_sendmsg+0x723/0xbe0 [ 8515.012582][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8515.012582][ T73] ___sys_sendmsg+0xee/0x170 [ 8515.012582][ T73] __sys_sendmsg+0xcd/0x170 [ 8515.012582][ T73] do_syscall_64+0xc6/0x1e0 [ 8515.012582][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8515.012582][ T73] [ 8524.093748][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8524.094213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8524.094213][ T1076] netdev_get_by_index+0x5e/0x80 [ 8524.094213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8524.094213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8524.094213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8524.094213][ T1076] ipv6_add_addr+0x411/0x2000 [ 8524.094213][ T1076] inet6_addr_add+0x30e/0xa40 [ 8524.094213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8524.094213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.094213][ T1076] netlink_rcv_skb+0x130/0x360 [ 8524.094213][ T1076] netlink_unicast+0x449/0x710 [ 8524.094213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8524.094213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8524.094213][ T1076] ___sys_sendmsg+0xee/0x170 [ 8524.094213][ T1076] __sys_sendmsg+0xcd/0x170 [ 8524.094213][ T1076] do_syscall_64+0xc6/0x1e0 [ 8524.094213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.094213][ T1076] [ 8524.096513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8524.096513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8524.096513][ T1076] ipv6_find_idev+0x102/0x170 [ 8524.096513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8524.096513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.096513][ T1076] netlink_rcv_skb+0x130/0x360 [ 8524.096513][ T1076] netlink_unicast+0x449/0x710 [ 8524.096513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8524.096513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8524.096513][ T1076] ___sys_sendmsg+0xee/0x170 [ 8524.096513][ T1076] __sys_sendmsg+0xcd/0x170 [ 8524.096513][ T1076] do_syscall_64+0xc6/0x1e0 [ 8524.096513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.096513][ T1076] [ 8524.098263][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8524.098263][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8524.098263][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8524.098263][ T1076] ipv6_find_idev+0x102/0x170 [ 8524.098263][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8524.098263][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8524.098263][ T1076] netlink_rcv_skb+0x130/0x360 [ 8524.098263][ T1076] netlink_unicast+0x449/0x710 [ 8524.098263][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8524.098263][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8524.098263][ T1076] ___sys_sendmsg+0xee/0x170 [ 8524.098263][ T1076] __sys_sendmsg+0xcd/0x170 [ 8524.098263][ T1076] do_syscall_64+0xc6/0x1e0 [ 8524.098263][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8524.098263][ T1076] [ 8525.253742][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8525.254161][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8525.254161][ T73] dst_init+0x84/0x4a0 [ 8525.254161][ T73] dst_alloc+0x97/0x150 [ 8525.254161][ T73] ip6_dst_alloc+0x23/0x90 [ 8525.254161][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8525.254161][ T73] ip6_pol_route+0x56f/0x840 [ 8525.254161][ T73] fib6_rule_lookup+0x456/0x630 [ 8525.254161][ T73] ip6_route_input+0x59c/0xa50 [ 8525.254161][ T73] ipv6_rcv+0x397/0x810 [ 8525.254161][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8525.254161][ T73] process_backlog+0x101/0x620 [ 8525.254161][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8525.254161][ T73] net_rx_action+0x495/0xbe0 [ 8525.254161][ T73] __do_softirq+0x1b5/0x7f6 [ 8525.254161][ T73] [ 8525.256009][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8525.256009][ T73] netdev_get_by_index+0x5e/0x80 [ 8525.256009][ T73] fib6_nh_init+0x3d8/0x1580 [ 8525.256009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8525.256009][ T73] ip6_route_add+0x1c/0x140 [ 8525.256009][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8525.256009][ T73] inet6_addr_add+0x4f8/0xa40 [ 8525.256009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.256009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.256009][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.256009][ T73] netlink_unicast+0x449/0x710 [ 8525.256009][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.256009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.256009][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.256009][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.256009][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.256009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.256009][ T73] [ 8525.258202][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8525.258202][ T73] netdev_get_by_index+0x5e/0x80 [ 8525.258202][ T73] fib6_nh_init+0x3d8/0x1580 [ 8525.258202][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8525.258202][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8525.258202][ T73] ipv6_add_addr+0x411/0x2000 [ 8525.258202][ T73] inet6_addr_add+0x30e/0xa40 [ 8525.258202][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.258202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.258202][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.258202][ T73] netlink_unicast+0x449/0x710 [ 8525.258202][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.258202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.258202][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.258202][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.258202][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.258202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.258202][ T73] [ 8525.260404][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8525.260404][ T73] netdev_get_by_index+0x5e/0x80 [ 8525.260404][ T73] fib6_nh_init+0x3d8/0x1580 [ 8525.260404][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8525.260404][ T73] ip6_route_add+0x1c/0x140 [ 8525.260404][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8525.260404][ T73] addrconf_add_dev+0xe2/0x170 [ 8525.260404][ T73] inet6_addr_add+0x12f/0xa40 [ 8525.260404][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.260404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.260404][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.260404][ T73] netlink_unicast+0x449/0x710 [ 8525.260404][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.260404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.260404][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.260404][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.260404][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.260404][ T73] [ 8525.262550][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8525.262550][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8525.262550][ T73] ipv6_find_idev+0x102/0x170 [ 8525.262550][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8525.262550][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.262550][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.262550][ T73] netlink_unicast+0x449/0x710 [ 8525.262550][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.262550][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.262550][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.262550][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.262550][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.262550][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.262550][ T73] [ 8525.264264][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8525.264264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8525.264264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8525.264264][ T73] ipv6_find_idev+0x102/0x170 [ 8525.264264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8525.264264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.264264][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.264264][ T73] netlink_unicast+0x449/0x710 [ 8525.264264][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.264264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.264264][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.264264][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.264264][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.264264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.264264][ T73] [ 8525.266117][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8525.266376][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8525.266376][ T73] dst_init+0x84/0x4a0 [ 8525.266376][ T73] dst_alloc+0x97/0x150 [ 8525.266376][ T73] ip6_dst_alloc+0x23/0x90 [ 8525.266376][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8525.266376][ T73] ip6_pol_route+0x56f/0x840 [ 8525.266376][ T73] fib6_rule_lookup+0x456/0x630 [ 8525.266376][ T73] ip6_route_input+0x59c/0xa50 [ 8525.266376][ T73] ipv6_rcv+0x397/0x810 [ 8525.266376][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8525.266376][ T73] process_backlog+0x101/0x620 [ 8525.266376][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8525.266376][ T73] net_rx_action+0x495/0xbe0 [ 8525.266376][ T73] __do_softirq+0x1b5/0x7f6 [ 8525.266376][ T73] [ 8525.268187][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8525.268187][ T73] netdev_get_by_index+0x5e/0x80 [ 8525.268187][ T73] fib6_nh_init+0x3d8/0x1580 [ 8525.268187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8525.268187][ T73] ip6_route_add+0x1c/0x140 [ 8525.268187][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8525.268187][ T73] inet6_addr_add+0x4f8/0xa40 [ 8525.268187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.268187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.268187][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.268187][ T73] netlink_unicast+0x449/0x710 [ 8525.268187][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.268187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.268187][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.268187][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.268187][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.268187][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.268187][ T73] [ 8525.270370][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8525.270370][ T73] netdev_get_by_index+0x5e/0x80 [ 8525.270370][ T73] fib6_nh_init+0x3d8/0x1580 [ 8525.270370][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8525.270370][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8525.270370][ T73] ipv6_add_addr+0x411/0x2000 [ 8525.270370][ T73] inet6_addr_add+0x30e/0xa40 [ 8525.270370][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.270370][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.270370][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.270370][ T73] netlink_unicast+0x449/0x710 [ 8525.270370][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.270370][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.270370][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.270370][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.270370][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.270370][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.270370][ T73] [ 8525.272569][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8525.272569][ T73] netdev_get_by_index+0x5e/0x80 [ 8525.272569][ T73] fib6_nh_init+0x3d8/0x1580 [ 8525.272569][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8525.272569][ T73] ip6_route_add+0x1c/0x140 [ 8525.272569][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8525.272569][ T73] addrconf_add_dev+0xe2/0x170 [ 8525.272569][ T73] inet6_addr_add+0x12f/0xa40 [ 8525.272569][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8525.272569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.272569][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.272569][ T73] netlink_unicast+0x449/0x710 [ 8525.272569][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.272569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.272569][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.272569][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.272569][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.272569][ T73] [ 8525.274730][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8525.274730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8525.274730][ T73] ipv6_find_idev+0x102/0x170 [ 8525.274730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8525.274730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.274730][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.274730][ T73] netlink_unicast+0x449/0x710 [ 8525.274730][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.274730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.274730][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.274730][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.274730][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.274730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.274730][ T73] [ 8525.276419][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8525.276419][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8525.276419][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8525.276419][ T73] ipv6_find_idev+0x102/0x170 [ 8525.276419][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8525.276419][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8525.276419][ T73] netlink_rcv_skb+0x130/0x360 [ 8525.276419][ T73] netlink_unicast+0x449/0x710 [ 8525.276419][ T73] netlink_sendmsg+0x723/0xbe0 [ 8525.276419][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8525.276419][ T73] ___sys_sendmsg+0xee/0x170 [ 8525.276419][ T73] __sys_sendmsg+0xcd/0x170 [ 8525.276419][ T73] do_syscall_64+0xc6/0x1e0 [ 8525.276419][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8525.276419][ T73] [ 8534.341665][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8534.342191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8534.342191][ T1076] netdev_get_by_index+0x5e/0x80 [ 8534.342191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8534.342191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8534.342191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8534.342191][ T1076] ipv6_add_addr+0x411/0x2000 [ 8534.342191][ T1076] inet6_addr_add+0x30e/0xa40 [ 8534.342191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8534.342191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.342191][ T1076] netlink_rcv_skb+0x130/0x360 [ 8534.342191][ T1076] netlink_unicast+0x449/0x710 [ 8534.342191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8534.342191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8534.342191][ T1076] ___sys_sendmsg+0xee/0x170 [ 8534.342191][ T1076] __sys_sendmsg+0xcd/0x170 [ 8534.342191][ T1076] do_syscall_64+0xc6/0x1e0 [ 8534.342191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.342191][ T1076] [ 8534.344522][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8534.344522][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8534.344522][ T1076] ipv6_find_idev+0x102/0x170 [ 8534.344522][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8534.344522][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.344522][ T1076] netlink_rcv_skb+0x130/0x360 [ 8534.344522][ T1076] netlink_unicast+0x449/0x710 [ 8534.344522][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8534.344522][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8534.344522][ T1076] ___sys_sendmsg+0xee/0x170 [ 8534.344522][ T1076] __sys_sendmsg+0xcd/0x170 [ 8534.344522][ T1076] do_syscall_64+0xc6/0x1e0 [ 8534.344522][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.344522][ T1076] [ 8534.346296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8534.346296][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8534.346296][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8534.346296][ T1076] ipv6_find_idev+0x102/0x170 [ 8534.346296][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8534.346296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8534.346296][ T1076] netlink_rcv_skb+0x130/0x360 [ 8534.346296][ T1076] netlink_unicast+0x449/0x710 [ 8534.346296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8534.346296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8534.346296][ T1076] ___sys_sendmsg+0xee/0x170 [ 8534.346296][ T1076] __sys_sendmsg+0xcd/0x170 [ 8534.346296][ T1076] do_syscall_64+0xc6/0x1e0 [ 8534.346296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8534.346296][ T1076] [ 8535.517753][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8535.518216][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8535.518216][ T73] dst_init+0x84/0x4a0 [ 8535.518216][ T73] dst_alloc+0x97/0x150 [ 8535.518216][ T73] ip6_dst_alloc+0x23/0x90 [ 8535.518216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8535.518216][ T73] ip6_pol_route+0x56f/0x840 [ 8535.518216][ T73] fib6_rule_lookup+0x456/0x630 [ 8535.518216][ T73] ip6_route_input+0x59c/0xa50 [ 8535.518216][ T73] ipv6_rcv+0x397/0x810 [ 8535.518216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8535.518216][ T73] process_backlog+0x101/0x620 [ 8535.518216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8535.518216][ T73] net_rx_action+0x495/0xbe0 [ 8535.518216][ T73] __do_softirq+0x1b5/0x7f6 [ 8535.518216][ T73] [ 8535.520064][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8535.520064][ T73] netdev_get_by_index+0x5e/0x80 [ 8535.520064][ T73] fib6_nh_init+0x3d8/0x1580 [ 8535.520064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8535.520064][ T73] ip6_route_add+0x1c/0x140 [ 8535.520064][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8535.520064][ T73] inet6_addr_add+0x4f8/0xa40 [ 8535.520064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.520064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.520064][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.520064][ T73] netlink_unicast+0x449/0x710 [ 8535.520064][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.520064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.520064][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.520064][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.520064][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.520064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.520064][ T73] [ 8535.522172][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8535.522172][ T73] netdev_get_by_index+0x5e/0x80 [ 8535.522172][ T73] fib6_nh_init+0x3d8/0x1580 [ 8535.522172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8535.522172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8535.522172][ T73] ipv6_add_addr+0x411/0x2000 [ 8535.522172][ T73] inet6_addr_add+0x30e/0xa40 [ 8535.522172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.522172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.522172][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.522172][ T73] netlink_unicast+0x449/0x710 [ 8535.522172][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.522172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.522172][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.522172][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.522172][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.522172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.522172][ T73] [ 8535.524177][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8535.524177][ T73] netdev_get_by_index+0x5e/0x80 [ 8535.524177][ T73] fib6_nh_init+0x3d8/0x1580 [ 8535.524177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8535.524177][ T73] ip6_route_add+0x1c/0x140 [ 8535.524177][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8535.524177][ T73] addrconf_add_dev+0xe2/0x170 [ 8535.524177][ T73] inet6_addr_add+0x12f/0xa40 [ 8535.524177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.524177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.524177][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.524177][ T73] netlink_unicast+0x449/0x710 [ 8535.524177][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.524177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.524177][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.524177][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.524177][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.524177][ T73] [ 8535.526139][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8535.526139][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8535.526139][ T73] ipv6_find_idev+0x102/0x170 [ 8535.526139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8535.526139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.526139][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.526139][ T73] netlink_unicast+0x449/0x710 [ 8535.526139][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.526139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.526139][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.526139][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.526139][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.526139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.526139][ T73] [ 8535.527674][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8535.527674][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8535.527674][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8535.527674][ T73] ipv6_find_idev+0x102/0x170 [ 8535.527674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8535.527674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.527674][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.527674][ T73] netlink_unicast+0x449/0x710 [ 8535.527674][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.527674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.527674][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.527674][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.527674][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.527674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.527674][ T73] [ 8535.529375][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8535.529627][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8535.529627][ T73] dst_init+0x84/0x4a0 [ 8535.529627][ T73] dst_alloc+0x97/0x150 [ 8535.529627][ T73] ip6_dst_alloc+0x23/0x90 [ 8535.529627][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8535.529627][ T73] ip6_pol_route+0x56f/0x840 [ 8535.529627][ T73] fib6_rule_lookup+0x456/0x630 [ 8535.529627][ T73] ip6_route_input+0x59c/0xa50 [ 8535.529627][ T73] ipv6_rcv+0x397/0x810 [ 8535.529627][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8535.529627][ T73] process_backlog+0x101/0x620 [ 8535.529627][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8535.529627][ T73] net_rx_action+0x495/0xbe0 [ 8535.529627][ T73] __do_softirq+0x1b5/0x7f6 [ 8535.529627][ T73] [ 8535.531251][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8535.531251][ T73] netdev_get_by_index+0x5e/0x80 [ 8535.531251][ T73] fib6_nh_init+0x3d8/0x1580 [ 8535.531251][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8535.531251][ T73] ip6_route_add+0x1c/0x140 [ 8535.531251][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8535.531251][ T73] inet6_addr_add+0x4f8/0xa40 [ 8535.531251][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.531251][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.531251][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.531251][ T73] netlink_unicast+0x449/0x710 [ 8535.531251][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.531251][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.531251][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.531251][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.531251][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.531251][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.531251][ T73] [ 8535.533238][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8535.533238][ T73] netdev_get_by_index+0x5e/0x80 [ 8535.533238][ T73] fib6_nh_init+0x3d8/0x1580 [ 8535.533238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8535.533238][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8535.533238][ T73] ipv6_add_addr+0x411/0x2000 [ 8535.533238][ T73] inet6_addr_add+0x30e/0xa40 [ 8535.533238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.533238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.533238][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.533238][ T73] netlink_unicast+0x449/0x710 [ 8535.533238][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.533238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.533238][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.533238][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.533238][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.533238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.533238][ T73] [ 8535.535238][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8535.535238][ T73] netdev_get_by_index+0x5e/0x80 [ 8535.535238][ T73] fib6_nh_init+0x3d8/0x1580 [ 8535.535238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8535.535238][ T73] ip6_route_add+0x1c/0x140 [ 8535.535238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8535.535238][ T73] addrconf_add_dev+0xe2/0x170 [ 8535.535238][ T73] inet6_addr_add+0x12f/0xa40 [ 8535.535238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8535.535238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.535238][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.535238][ T73] netlink_unicast+0x449/0x710 [ 8535.535238][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.535238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.535238][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.535238][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.535238][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.535238][ T73] [ 8535.537196][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8535.537196][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8535.537196][ T73] ipv6_find_idev+0x102/0x170 [ 8535.537196][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8535.537196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.537196][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.537196][ T73] netlink_unicast+0x449/0x710 [ 8535.537196][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.537196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.537196][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.537196][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.537196][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.537196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.537196][ T73] [ 8535.538724][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8535.538724][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8535.538724][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8535.538724][ T73] ipv6_find_idev+0x102/0x170 [ 8535.538724][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8535.538724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8535.538724][ T73] netlink_rcv_skb+0x130/0x360 [ 8535.538724][ T73] netlink_unicast+0x449/0x710 [ 8535.538724][ T73] netlink_sendmsg+0x723/0xbe0 [ 8535.538724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8535.538724][ T73] ___sys_sendmsg+0xee/0x170 [ 8535.538724][ T73] __sys_sendmsg+0xcd/0x170 [ 8535.538724][ T73] do_syscall_64+0xc6/0x1e0 [ 8535.538724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8535.538724][ T73] [ 8544.597647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8544.598192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8544.598192][ T1076] netdev_get_by_index+0x5e/0x80 [ 8544.598192][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8544.598192][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8544.598192][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8544.598192][ T1076] ipv6_add_addr+0x411/0x2000 [ 8544.598192][ T1076] inet6_addr_add+0x30e/0xa40 [ 8544.598192][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8544.598192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8544.598192][ T1076] netlink_rcv_skb+0x130/0x360 [ 8544.598192][ T1076] netlink_unicast+0x449/0x710 [ 8544.598192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8544.598192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8544.598192][ T1076] ___sys_sendmsg+0xee/0x170 [ 8544.598192][ T1076] __sys_sendmsg+0xcd/0x170 [ 8544.598192][ T1076] do_syscall_64+0xc6/0x1e0 [ 8544.598192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8544.598192][ T1076] [ 8544.600698][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8544.600698][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8544.600698][ T1076] ipv6_find_idev+0x102/0x170 [ 8544.600698][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8544.600698][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8544.600698][ T1076] netlink_rcv_skb+0x130/0x360 [ 8544.600698][ T1076] netlink_unicast+0x449/0x710 [ 8544.600698][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8544.600698][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8544.600698][ T1076] ___sys_sendmsg+0xee/0x170 [ 8544.600698][ T1076] __sys_sendmsg+0xcd/0x170 [ 8544.600698][ T1076] do_syscall_64+0xc6/0x1e0 [ 8544.600698][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8544.600698][ T1076] [ 8544.602619][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8544.602619][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8544.602619][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8544.602619][ T1076] ipv6_find_idev+0x102/0x170 [ 8544.602619][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8544.602619][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8544.602619][ T1076] netlink_rcv_skb+0x130/0x360 [ 8544.602619][ T1076] netlink_unicast+0x449/0x710 [ 8544.602619][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8544.602619][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8544.602619][ T1076] ___sys_sendmsg+0xee/0x170 [ 8544.602619][ T1076] __sys_sendmsg+0xcd/0x170 [ 8544.602619][ T1076] do_syscall_64+0xc6/0x1e0 [ 8544.602619][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8544.602619][ T1076] [ 8545.781741][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8545.782184][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8545.782184][ T73] dst_init+0x84/0x4a0 [ 8545.782184][ T73] dst_alloc+0x97/0x150 [ 8545.782184][ T73] ip6_dst_alloc+0x23/0x90 [ 8545.782184][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8545.782184][ T73] ip6_pol_route+0x56f/0x840 [ 8545.782184][ T73] fib6_rule_lookup+0x456/0x630 [ 8545.782184][ T73] ip6_route_input+0x59c/0xa50 [ 8545.782184][ T73] ipv6_rcv+0x397/0x810 [ 8545.782184][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8545.782184][ T73] process_backlog+0x101/0x620 [ 8545.782184][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8545.782184][ T73] net_rx_action+0x495/0xbe0 [ 8545.782184][ T73] __do_softirq+0x1b5/0x7f6 [ 8545.782184][ T73] [ 8545.784100][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8545.784100][ T73] netdev_get_by_index+0x5e/0x80 [ 8545.784100][ T73] fib6_nh_init+0x3d8/0x1580 [ 8545.784100][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8545.784100][ T73] ip6_route_add+0x1c/0x140 [ 8545.784100][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8545.784100][ T73] inet6_addr_add+0x4f8/0xa40 [ 8545.784100][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.784100][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.784100][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.784100][ T73] netlink_unicast+0x449/0x710 [ 8545.784100][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.784100][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.784100][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.784100][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.784100][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.784100][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.784100][ T73] [ 8545.786346][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8545.786346][ T73] netdev_get_by_index+0x5e/0x80 [ 8545.786346][ T73] fib6_nh_init+0x3d8/0x1580 [ 8545.786346][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8545.786346][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8545.786346][ T73] ipv6_add_addr+0x411/0x2000 [ 8545.786346][ T73] inet6_addr_add+0x30e/0xa40 [ 8545.786346][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.786346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.786346][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.786346][ T73] netlink_unicast+0x449/0x710 [ 8545.786346][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.786346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.786346][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.786346][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.786346][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.786346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.786346][ T73] [ 8545.788596][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8545.788596][ T73] netdev_get_by_index+0x5e/0x80 [ 8545.788596][ T73] fib6_nh_init+0x3d8/0x1580 [ 8545.788596][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8545.788596][ T73] ip6_route_add+0x1c/0x140 [ 8545.788596][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8545.788596][ T73] addrconf_add_dev+0xe2/0x170 [ 8545.788596][ T73] inet6_addr_add+0x12f/0xa40 [ 8545.788596][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.788596][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.788596][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.788596][ T73] netlink_unicast+0x449/0x710 [ 8545.788596][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.788596][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.788596][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.788596][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.788596][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.788596][ T73] [ 8545.790779][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8545.790779][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8545.790779][ T73] ipv6_find_idev+0x102/0x170 [ 8545.790779][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.790779][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.790779][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.790779][ T73] netlink_unicast+0x449/0x710 [ 8545.790779][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.790779][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.790779][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.790779][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.790779][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.790779][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.790779][ T73] [ 8545.792487][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8545.792487][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8545.792487][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8545.792487][ T73] ipv6_find_idev+0x102/0x170 [ 8545.792487][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.792487][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.792487][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.792487][ T73] netlink_unicast+0x449/0x710 [ 8545.792487][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.792487][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.792487][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.792487][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.792487][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.792487][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.792487][ T73] [ 8545.794418][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8545.794696][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8545.794696][ T73] dst_init+0x84/0x4a0 [ 8545.794696][ T73] dst_alloc+0x97/0x150 [ 8545.794696][ T73] ip6_dst_alloc+0x23/0x90 [ 8545.794696][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8545.794696][ T73] ip6_pol_route+0x56f/0x840 [ 8545.794696][ T73] fib6_rule_lookup+0x456/0x630 [ 8545.794696][ T73] ip6_route_input+0x59c/0xa50 [ 8545.794696][ T73] ipv6_rcv+0x397/0x810 [ 8545.794696][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8545.794696][ T73] process_backlog+0x101/0x620 [ 8545.794696][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8545.794696][ T73] net_rx_action+0x495/0xbe0 [ 8545.794696][ T73] __do_softirq+0x1b5/0x7f6 [ 8545.794696][ T73] [ 8545.796511][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8545.796511][ T73] netdev_get_by_index+0x5e/0x80 [ 8545.796511][ T73] fib6_nh_init+0x3d8/0x1580 [ 8545.796511][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8545.796511][ T73] ip6_route_add+0x1c/0x140 [ 8545.796511][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8545.796511][ T73] inet6_addr_add+0x4f8/0xa40 [ 8545.796511][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.796511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.796511][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.796511][ T73] netlink_unicast+0x449/0x710 [ 8545.796511][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.796511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.796511][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.796511][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.796511][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.796511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.796511][ T73] [ 8545.798732][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8545.798732][ T73] netdev_get_by_index+0x5e/0x80 [ 8545.798732][ T73] fib6_nh_init+0x3d8/0x1580 [ 8545.798732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8545.798732][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8545.798732][ T73] ipv6_add_addr+0x411/0x2000 [ 8545.798732][ T73] inet6_addr_add+0x30e/0xa40 [ 8545.798732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.798732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.798732][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.798732][ T73] netlink_unicast+0x449/0x710 [ 8545.798732][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.798732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.798732][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.798732][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.798732][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.798732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.798732][ T73] [ 8545.801486][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8545.801486][ T73] netdev_get_by_index+0x5e/0x80 [ 8545.801486][ T73] fib6_nh_init+0x3d8/0x1580 [ 8545.801486][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8545.801486][ T73] ip6_route_add+0x1c/0x140 [ 8545.801486][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8545.801486][ T73] addrconf_add_dev+0xe2/0x170 [ 8545.801486][ T73] inet6_addr_add+0x12f/0xa40 [ 8545.801486][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8545.801486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.801486][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.801486][ T73] netlink_unicast+0x449/0x710 [ 8545.801486][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.801486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.801486][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.801486][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.801486][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.801486][ T73] [ 8545.803706][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8545.803706][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8545.803706][ T73] ipv6_find_idev+0x102/0x170 [ 8545.803706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.803706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.803706][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.803706][ T73] netlink_unicast+0x449/0x710 [ 8545.803706][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.803706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.803706][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.803706][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.803706][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.803706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.803706][ T73] [ 8545.805424][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8545.805424][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8545.805424][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8545.805424][ T73] ipv6_find_idev+0x102/0x170 [ 8545.805424][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8545.805424][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8545.805424][ T73] netlink_rcv_skb+0x130/0x360 [ 8545.805424][ T73] netlink_unicast+0x449/0x710 [ 8545.805424][ T73] netlink_sendmsg+0x723/0xbe0 [ 8545.805424][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8545.805424][ T73] ___sys_sendmsg+0xee/0x170 [ 8545.805424][ T73] __sys_sendmsg+0xcd/0x170 [ 8545.805424][ T73] do_syscall_64+0xc6/0x1e0 [ 8545.805424][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8545.805424][ T73] [ 8554.853646][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8554.854106][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8554.854106][ T1076] netdev_get_by_index+0x5e/0x80 [ 8554.854106][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8554.854106][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8554.854106][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8554.854106][ T1076] ipv6_add_addr+0x411/0x2000 [ 8554.854106][ T1076] inet6_addr_add+0x30e/0xa40 [ 8554.854106][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8554.854106][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.854106][ T1076] netlink_rcv_skb+0x130/0x360 [ 8554.854106][ T1076] netlink_unicast+0x449/0x710 [ 8554.854106][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8554.854106][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8554.854106][ T1076] ___sys_sendmsg+0xee/0x170 [ 8554.854106][ T1076] __sys_sendmsg+0xcd/0x170 [ 8554.854106][ T1076] do_syscall_64+0xc6/0x1e0 [ 8554.854106][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.854106][ T1076] [ 8554.856611][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8554.856611][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8554.856611][ T1076] ipv6_find_idev+0x102/0x170 [ 8554.856611][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8554.856611][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.856611][ T1076] netlink_rcv_skb+0x130/0x360 [ 8554.856611][ T1076] netlink_unicast+0x449/0x710 [ 8554.856611][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8554.856611][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8554.856611][ T1076] ___sys_sendmsg+0xee/0x170 [ 8554.856611][ T1076] __sys_sendmsg+0xcd/0x170 [ 8554.856611][ T1076] do_syscall_64+0xc6/0x1e0 [ 8554.856611][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.856611][ T1076] [ 8554.858520][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8554.858520][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8554.858520][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8554.858520][ T1076] ipv6_find_idev+0x102/0x170 [ 8554.858520][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8554.858520][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8554.858520][ T1076] netlink_rcv_skb+0x130/0x360 [ 8554.858520][ T1076] netlink_unicast+0x449/0x710 [ 8554.858520][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8554.858520][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8554.858520][ T1076] ___sys_sendmsg+0xee/0x170 [ 8554.858520][ T1076] __sys_sendmsg+0xcd/0x170 [ 8554.858520][ T1076] do_syscall_64+0xc6/0x1e0 [ 8554.858520][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8554.858520][ T1076] [ 8556.045671][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8556.046046][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8556.046046][ T73] dst_init+0x84/0x4a0 [ 8556.046046][ T73] dst_alloc+0x97/0x150 [ 8556.046046][ T73] ip6_dst_alloc+0x23/0x90 [ 8556.046046][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8556.046046][ T73] ip6_pol_route+0x56f/0x840 [ 8556.046046][ T73] fib6_rule_lookup+0x456/0x630 [ 8556.046046][ T73] ip6_route_input+0x59c/0xa50 [ 8556.046046][ T73] ipv6_rcv+0x397/0x810 [ 8556.046046][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8556.046046][ T73] process_backlog+0x101/0x620 [ 8556.046046][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8556.046046][ T73] net_rx_action+0x495/0xbe0 [ 8556.046046][ T73] __do_softirq+0x1b5/0x7f6 [ 8556.046046][ T73] [ 8556.047738][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8556.047738][ T73] netdev_get_by_index+0x5e/0x80 [ 8556.047738][ T73] fib6_nh_init+0x3d8/0x1580 [ 8556.047738][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8556.047738][ T73] ip6_route_add+0x1c/0x140 [ 8556.047738][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8556.047738][ T73] inet6_addr_add+0x4f8/0xa40 [ 8556.047738][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8556.047738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.047738][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.047738][ T73] netlink_unicast+0x449/0x710 [ 8556.047738][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.047738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.047738][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.047738][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.047738][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.047738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.047738][ T73] [ 8556.049760][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8556.049760][ T73] netdev_get_by_index+0x5e/0x80 [ 8556.049760][ T73] fib6_nh_init+0x3d8/0x1580 [ 8556.049760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8556.049760][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8556.049760][ T73] ipv6_add_addr+0x411/0x2000 [ 8556.049760][ T73] inet6_addr_add+0x30e/0xa40 [ 8556.049760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8556.049760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.049760][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.049760][ T73] netlink_unicast+0x449/0x710 [ 8556.049760][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.049760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.049760][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.049760][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.049760][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.049760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.049760][ T73] [ 8556.051783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8556.051783][ T73] netdev_get_by_index+0x5e/0x80 [ 8556.051783][ T73] fib6_nh_init+0x3d8/0x1580 [ 8556.051783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8556.051783][ T73] ip6_route_add+0x1c/0x140 [ 8556.051783][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8556.051783][ T73] addrconf_add_dev+0xe2/0x170 [ 8556.051783][ T73] inet6_addr_add+0x12f/0xa40 [ 8556.051783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8556.051783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.051783][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.051783][ T73] netlink_unicast+0x449/0x710 [ 8556.051783][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.051783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.051783][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.051783][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.051783][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.051783][ T73] [ 8556.053810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8556.053810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8556.053810][ T73] ipv6_find_idev+0x102/0x170 [ 8556.053810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8556.053810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.053810][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.053810][ T73] netlink_unicast+0x449/0x710 [ 8556.053810][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.053810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.053810][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.053810][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.053810][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.053810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.053810][ T73] [ 8556.055363][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8556.055363][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8556.055363][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8556.055363][ T73] ipv6_find_idev+0x102/0x170 [ 8556.055363][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8556.055363][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.055363][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.055363][ T73] netlink_unicast+0x449/0x710 [ 8556.055363][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.055363][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.055363][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.055363][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.055363][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.055363][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.055363][ T73] [ 8556.057079][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8556.057333][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8556.057333][ T73] dst_init+0x84/0x4a0 [ 8556.057333][ T73] dst_alloc+0x97/0x150 [ 8556.057333][ T73] ip6_dst_alloc+0x23/0x90 [ 8556.057333][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8556.057333][ T73] ip6_pol_route+0x56f/0x840 [ 8556.057333][ T73] fib6_rule_lookup+0x456/0x630 [ 8556.057333][ T73] ip6_route_input+0x59c/0xa50 [ 8556.057333][ T73] ipv6_rcv+0x397/0x810 [ 8556.057333][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8556.057333][ T73] process_backlog+0x101/0x620 [ 8556.057333][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8556.057333][ T73] net_rx_action+0x495/0xbe0 [ 8556.057333][ T73] __do_softirq+0x1b5/0x7f6 [ 8556.057333][ T73] [ 8556.059022][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8556.059022][ T73] netdev_get_by_index+0x5e/0x80 [ 8556.059022][ T73] fib6_nh_init+0x3d8/0x1580 [ 8556.059022][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8556.059022][ T73] ip6_route_add+0x1c/0x140 [ 8556.059022][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8556.059022][ T73] inet6_addr_add+0x4f8/0xa40 [ 8556.059022][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8556.059022][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.059022][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.059022][ T73] netlink_unicast+0x449/0x710 [ 8556.059022][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.059022][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.059022][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.059022][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.059022][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.059022][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.059022][ T73] [ 8556.061069][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8556.061069][ T73] netdev_get_by_index+0x5e/0x80 [ 8556.061069][ T73] fib6_nh_init+0x3d8/0x1580 [ 8556.061069][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8556.061069][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8556.061069][ T73] ipv6_add_addr+0x411/0x2000 [ 8556.061069][ T73] inet6_addr_add+0x30e/0xa40 [ 8556.061069][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8556.061069][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.061069][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.061069][ T73] netlink_unicast+0x449/0x710 [ 8556.061069][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.061069][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.061069][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.061069][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.061069][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.061069][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.061069][ T73] [ 8556.063127][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8556.063127][ T73] netdev_get_by_index+0x5e/0x80 [ 8556.063127][ T73] fib6_nh_init+0x3d8/0x1580 [ 8556.063127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8556.063127][ T73] ip6_route_add+0x1c/0x140 [ 8556.063127][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8556.063127][ T73] addrconf_add_dev+0xe2/0x170 [ 8556.063127][ T73] inet6_addr_add+0x12f/0xa40 [ 8556.063127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8556.063127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.063127][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.063127][ T73] netlink_unicast+0x449/0x710 [ 8556.063127][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.063127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.063127][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.063127][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.063127][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.063127][ T73] [ 8556.065186][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8556.065186][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8556.065186][ T73] ipv6_find_idev+0x102/0x170 [ 8556.065186][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8556.065186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.065186][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.065186][ T73] netlink_unicast+0x449/0x710 [ 8556.065186][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.065186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.065186][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.065186][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.065186][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.065186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.065186][ T73] [ 8556.066777][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8556.066777][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8556.066777][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8556.066777][ T73] ipv6_find_idev+0x102/0x170 [ 8556.066777][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8556.066777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8556.066777][ T73] netlink_rcv_skb+0x130/0x360 [ 8556.066777][ T73] netlink_unicast+0x449/0x710 [ 8556.066777][ T73] netlink_sendmsg+0x723/0xbe0 [ 8556.066777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8556.066777][ T73] ___sys_sendmsg+0xee/0x170 [ 8556.066777][ T73] __sys_sendmsg+0xcd/0x170 [ 8556.066777][ T73] do_syscall_64+0xc6/0x1e0 [ 8556.066777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8556.066777][ T73] [ 8565.109683][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8565.110297][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8565.110297][ T1076] netdev_get_by_index+0x5e/0x80 [ 8565.110297][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8565.110297][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8565.110297][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8565.110297][ T1076] ipv6_add_addr+0x411/0x2000 [ 8565.110297][ T1076] inet6_addr_add+0x30e/0xa40 [ 8565.110297][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8565.110297][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.110297][ T1076] netlink_rcv_skb+0x130/0x360 [ 8565.110297][ T1076] netlink_unicast+0x449/0x710 [ 8565.110297][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8565.110297][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8565.110297][ T1076] ___sys_sendmsg+0xee/0x170 [ 8565.110297][ T1076] __sys_sendmsg+0xcd/0x170 [ 8565.110297][ T1076] do_syscall_64+0xc6/0x1e0 [ 8565.110297][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.110297][ T1076] [ 8565.113994][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8565.113994][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8565.113994][ T1076] ipv6_find_idev+0x102/0x170 [ 8565.113994][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8565.113994][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.113994][ T1076] netlink_rcv_skb+0x130/0x360 [ 8565.113994][ T1076] netlink_unicast+0x449/0x710 [ 8565.113994][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8565.113994][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8565.113994][ T1076] ___sys_sendmsg+0xee/0x170 [ 8565.113994][ T1076] __sys_sendmsg+0xcd/0x170 [ 8565.113994][ T1076] do_syscall_64+0xc6/0x1e0 [ 8565.113994][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.113994][ T1076] [ 8565.116671][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8565.116671][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8565.116671][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8565.116671][ T1076] ipv6_find_idev+0x102/0x170 [ 8565.116671][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8565.116671][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8565.116671][ T1076] netlink_rcv_skb+0x130/0x360 [ 8565.116671][ T1076] netlink_unicast+0x449/0x710 [ 8565.116671][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8565.116671][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8565.116671][ T1076] ___sys_sendmsg+0xee/0x170 [ 8565.116671][ T1076] __sys_sendmsg+0xcd/0x170 [ 8565.116671][ T1076] do_syscall_64+0xc6/0x1e0 [ 8565.116671][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8565.116671][ T1076] [ 8566.309713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8566.310106][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8566.310106][ T73] dst_init+0x84/0x4a0 [ 8566.310106][ T73] dst_alloc+0x97/0x150 [ 8566.310106][ T73] ip6_dst_alloc+0x23/0x90 [ 8566.310106][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8566.310106][ T73] ip6_pol_route+0x56f/0x840 [ 8566.310106][ T73] fib6_rule_lookup+0x456/0x630 [ 8566.310106][ T73] ip6_route_input+0x59c/0xa50 [ 8566.310106][ T73] ipv6_rcv+0x397/0x810 [ 8566.310106][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8566.310106][ T73] process_backlog+0x101/0x620 [ 8566.310106][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8566.310106][ T73] net_rx_action+0x495/0xbe0 [ 8566.310106][ T73] __do_softirq+0x1b5/0x7f6 [ 8566.310106][ T73] [ 8566.311795][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8566.311795][ T73] netdev_get_by_index+0x5e/0x80 [ 8566.311795][ T73] fib6_nh_init+0x3d8/0x1580 [ 8566.311795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8566.311795][ T73] ip6_route_add+0x1c/0x140 [ 8566.311795][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8566.311795][ T73] inet6_addr_add+0x4f8/0xa40 [ 8566.311795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8566.311795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.311795][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.311795][ T73] netlink_unicast+0x449/0x710 [ 8566.311795][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.311795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.311795][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.311795][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.311795][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.311795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.311795][ T73] [ 8566.313823][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8566.313823][ T73] netdev_get_by_index+0x5e/0x80 [ 8566.313823][ T73] fib6_nh_init+0x3d8/0x1580 [ 8566.313823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8566.313823][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8566.313823][ T73] ipv6_add_addr+0x411/0x2000 [ 8566.313823][ T73] inet6_addr_add+0x30e/0xa40 [ 8566.313823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8566.313823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.313823][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.313823][ T73] netlink_unicast+0x449/0x710 [ 8566.313823][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.313823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.313823][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.313823][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.313823][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.313823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.313823][ T73] [ 8566.315839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8566.315839][ T73] netdev_get_by_index+0x5e/0x80 [ 8566.315839][ T73] fib6_nh_init+0x3d8/0x1580 [ 8566.315839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8566.315839][ T73] ip6_route_add+0x1c/0x140 [ 8566.315839][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8566.315839][ T73] addrconf_add_dev+0xe2/0x170 [ 8566.315839][ T73] inet6_addr_add+0x12f/0xa40 [ 8566.315839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8566.315839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.315839][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.315839][ T73] netlink_unicast+0x449/0x710 [ 8566.315839][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.315839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.315839][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.315839][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.315839][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.315839][ T73] [ 8566.317814][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8566.317814][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8566.317814][ T73] ipv6_find_idev+0x102/0x170 [ 8566.317814][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8566.317814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.317814][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.317814][ T73] netlink_unicast+0x449/0x710 [ 8566.317814][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.317814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.317814][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.317814][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.317814][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.317814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.317814][ T73] [ 8566.319371][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8566.319371][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8566.319371][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8566.319371][ T73] ipv6_find_idev+0x102/0x170 [ 8566.319371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8566.319371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.319371][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.319371][ T73] netlink_unicast+0x449/0x710 [ 8566.319371][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.319371][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.319371][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.319371][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.319371][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.319371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.319371][ T73] [ 8566.321100][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8566.321347][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8566.321347][ T73] dst_init+0x84/0x4a0 [ 8566.321347][ T73] dst_alloc+0x97/0x150 [ 8566.321347][ T73] ip6_dst_alloc+0x23/0x90 [ 8566.321347][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8566.321347][ T73] ip6_pol_route+0x56f/0x840 [ 8566.321347][ T73] fib6_rule_lookup+0x456/0x630 [ 8566.321347][ T73] ip6_route_input+0x59c/0xa50 [ 8566.321347][ T73] ipv6_rcv+0x397/0x810 [ 8566.321347][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8566.321347][ T73] process_backlog+0x101/0x620 [ 8566.321347][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8566.321347][ T73] net_rx_action+0x495/0xbe0 [ 8566.321347][ T73] __do_softirq+0x1b5/0x7f6 [ 8566.321347][ T73] [ 8566.322998][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8566.322998][ T73] netdev_get_by_index+0x5e/0x80 [ 8566.322998][ T73] fib6_nh_init+0x3d8/0x1580 [ 8566.322998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8566.322998][ T73] ip6_route_add+0x1c/0x140 [ 8566.322998][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8566.322998][ T73] inet6_addr_add+0x4f8/0xa40 [ 8566.322998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8566.322998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.322998][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.322998][ T73] netlink_unicast+0x449/0x710 [ 8566.322998][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.322998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.322998][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.322998][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.322998][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.322998][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.322998][ T73] [ 8566.325026][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8566.325026][ T73] netdev_get_by_index+0x5e/0x80 [ 8566.325026][ T73] fib6_nh_init+0x3d8/0x1580 [ 8566.325026][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8566.325026][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8566.325026][ T73] ipv6_add_addr+0x411/0x2000 [ 8566.325026][ T73] inet6_addr_add+0x30e/0xa40 [ 8566.325026][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8566.325026][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.325026][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.325026][ T73] netlink_unicast+0x449/0x710 [ 8566.325026][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.325026][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.325026][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.325026][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.325026][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.325026][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.325026][ T73] [ 8566.327050][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8566.327050][ T73] netdev_get_by_index+0x5e/0x80 [ 8566.327050][ T73] fib6_nh_init+0x3d8/0x1580 [ 8566.327050][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8566.327050][ T73] ip6_route_add+0x1c/0x140 [ 8566.327050][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8566.327050][ T73] addrconf_add_dev+0xe2/0x170 [ 8566.327050][ T73] inet6_addr_add+0x12f/0xa40 [ 8566.327050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8566.327050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.327050][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.327050][ T73] netlink_unicast+0x449/0x710 [ 8566.327050][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.327050][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.327050][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.327050][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.327050][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.327050][ T73] [ 8566.329090][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8566.329090][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8566.329090][ T73] ipv6_find_idev+0x102/0x170 [ 8566.329090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8566.329090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.329090][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.329090][ T73] netlink_unicast+0x449/0x710 [ 8566.329090][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.329090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.329090][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.329090][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.329090][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.329090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.329090][ T73] [ 8566.330771][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8566.330771][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8566.330771][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8566.330771][ T73] ipv6_find_idev+0x102/0x170 [ 8566.330771][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8566.330771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8566.330771][ T73] netlink_rcv_skb+0x130/0x360 [ 8566.330771][ T73] netlink_unicast+0x449/0x710 [ 8566.330771][ T73] netlink_sendmsg+0x723/0xbe0 [ 8566.330771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8566.330771][ T73] ___sys_sendmsg+0xee/0x170 [ 8566.330771][ T73] __sys_sendmsg+0xcd/0x170 [ 8566.330771][ T73] do_syscall_64+0xc6/0x1e0 [ 8566.330771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8566.330771][ T73] [ 8575.269686][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8575.270360][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8575.270360][ T1076] netdev_get_by_index+0x5e/0x80 [ 8575.270360][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8575.270360][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8575.270360][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8575.270360][ T1076] ipv6_add_addr+0x411/0x2000 [ 8575.270360][ T1076] inet6_addr_add+0x30e/0xa40 [ 8575.270360][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8575.270360][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.270360][ T1076] netlink_rcv_skb+0x130/0x360 [ 8575.270360][ T1076] netlink_unicast+0x449/0x710 [ 8575.270360][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8575.270360][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8575.270360][ T1076] ___sys_sendmsg+0xee/0x170 [ 8575.270360][ T1076] __sys_sendmsg+0xcd/0x170 [ 8575.270360][ T1076] do_syscall_64+0xc6/0x1e0 [ 8575.270360][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.270360][ T1076] [ 8575.273248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8575.273248][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8575.273248][ T1076] ipv6_find_idev+0x102/0x170 [ 8575.273248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8575.273248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.273248][ T1076] netlink_rcv_skb+0x130/0x360 [ 8575.273248][ T1076] netlink_unicast+0x449/0x710 [ 8575.273248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8575.273248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8575.273248][ T1076] ___sys_sendmsg+0xee/0x170 [ 8575.273248][ T1076] __sys_sendmsg+0xcd/0x170 [ 8575.273248][ T1076] do_syscall_64+0xc6/0x1e0 [ 8575.273248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.273248][ T1076] [ 8575.275088][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8575.275088][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8575.275088][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8575.275088][ T1076] ipv6_find_idev+0x102/0x170 [ 8575.275088][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8575.275088][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8575.275088][ T1076] netlink_rcv_skb+0x130/0x360 [ 8575.275088][ T1076] netlink_unicast+0x449/0x710 [ 8575.275088][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8575.275088][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8575.275088][ T1076] ___sys_sendmsg+0xee/0x170 [ 8575.275088][ T1076] __sys_sendmsg+0xcd/0x170 [ 8575.275088][ T1076] do_syscall_64+0xc6/0x1e0 [ 8575.275088][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8575.275088][ T1076] [ 8576.573649][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8576.574087][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8576.574087][ T73] dst_init+0x84/0x4a0 [ 8576.574087][ T73] dst_alloc+0x97/0x150 [ 8576.574087][ T73] ip6_dst_alloc+0x23/0x90 [ 8576.574087][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8576.574087][ T73] ip6_pol_route+0x56f/0x840 [ 8576.574087][ T73] fib6_rule_lookup+0x456/0x630 [ 8576.574087][ T73] ip6_route_input+0x59c/0xa50 [ 8576.574087][ T73] ipv6_rcv+0x397/0x810 [ 8576.574087][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8576.574087][ T73] process_backlog+0x101/0x620 [ 8576.574087][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8576.574087][ T73] net_rx_action+0x495/0xbe0 [ 8576.574087][ T73] __do_softirq+0x1b5/0x7f6 [ 8576.574087][ T73] [ 8576.575876][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8576.575876][ T73] netdev_get_by_index+0x5e/0x80 [ 8576.575876][ T73] fib6_nh_init+0x3d8/0x1580 [ 8576.575876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8576.575876][ T73] ip6_route_add+0x1c/0x140 [ 8576.575876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8576.575876][ T73] inet6_addr_add+0x4f8/0xa40 [ 8576.575876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8576.575876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.575876][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.575876][ T73] netlink_unicast+0x449/0x710 [ 8576.575876][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.575876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.575876][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.575876][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.575876][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.575876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.575876][ T73] [ 8576.577899][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8576.577899][ T73] netdev_get_by_index+0x5e/0x80 [ 8576.577899][ T73] fib6_nh_init+0x3d8/0x1580 [ 8576.577899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8576.577899][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8576.577899][ T73] ipv6_add_addr+0x411/0x2000 [ 8576.577899][ T73] inet6_addr_add+0x30e/0xa40 [ 8576.577899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8576.577899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.577899][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.577899][ T73] netlink_unicast+0x449/0x710 [ 8576.577899][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.577899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.577899][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.577899][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.577899][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.577899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.577899][ T73] [ 8576.579922][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8576.579922][ T73] netdev_get_by_index+0x5e/0x80 [ 8576.579922][ T73] fib6_nh_init+0x3d8/0x1580 [ 8576.579922][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8576.579922][ T73] ip6_route_add+0x1c/0x140 [ 8576.579922][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8576.579922][ T73] addrconf_add_dev+0xe2/0x170 [ 8576.579922][ T73] inet6_addr_add+0x12f/0xa40 [ 8576.579922][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8576.579922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.579922][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.579922][ T73] netlink_unicast+0x449/0x710 [ 8576.579922][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.579922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.579922][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.579922][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.579922][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.579922][ T73] [ 8576.581899][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8576.581899][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8576.581899][ T73] ipv6_find_idev+0x102/0x170 [ 8576.581899][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8576.581899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.581899][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.581899][ T73] netlink_unicast+0x449/0x710 [ 8576.581899][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.581899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.581899][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.581899][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.581899][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.581899][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.581899][ T73] [ 8576.583466][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8576.583466][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8576.583466][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8576.583466][ T73] ipv6_find_idev+0x102/0x170 [ 8576.583466][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8576.583466][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.583466][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.583466][ T73] netlink_unicast+0x449/0x710 [ 8576.583466][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.583466][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.583466][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.583466][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.583466][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.583466][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.583466][ T73] [ 8576.585185][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8576.585432][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8576.585432][ T73] dst_init+0x84/0x4a0 [ 8576.585432][ T73] dst_alloc+0x97/0x150 [ 8576.585432][ T73] ip6_dst_alloc+0x23/0x90 [ 8576.585432][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8576.585432][ T73] ip6_pol_route+0x56f/0x840 [ 8576.585432][ T73] fib6_rule_lookup+0x456/0x630 [ 8576.585432][ T73] ip6_route_input+0x59c/0xa50 [ 8576.585432][ T73] ipv6_rcv+0x397/0x810 [ 8576.585432][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8576.585432][ T73] process_backlog+0x101/0x620 [ 8576.585432][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8576.585432][ T73] net_rx_action+0x495/0xbe0 [ 8576.585432][ T73] __do_softirq+0x1b5/0x7f6 [ 8576.585432][ T73] [ 8576.587082][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8576.587082][ T73] netdev_get_by_index+0x5e/0x80 [ 8576.587082][ T73] fib6_nh_init+0x3d8/0x1580 [ 8576.587082][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8576.587082][ T73] ip6_route_add+0x1c/0x140 [ 8576.587082][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8576.587082][ T73] inet6_addr_add+0x4f8/0xa40 [ 8576.587082][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8576.587082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.587082][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.587082][ T73] netlink_unicast+0x449/0x710 [ 8576.587082][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.587082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.587082][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.587082][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.587082][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.587082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.587082][ T73] [ 8576.589092][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8576.589092][ T73] netdev_get_by_index+0x5e/0x80 [ 8576.589092][ T73] fib6_nh_init+0x3d8/0x1580 [ 8576.589092][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8576.589092][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8576.589092][ T73] ipv6_add_addr+0x411/0x2000 [ 8576.589092][ T73] inet6_addr_add+0x30e/0xa40 [ 8576.589092][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8576.589092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.589092][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.589092][ T73] netlink_unicast+0x449/0x710 [ 8576.589092][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.589092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.589092][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.589092][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.589092][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.589092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.589092][ T73] [ 8576.591104][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8576.591104][ T73] netdev_get_by_index+0x5e/0x80 [ 8576.591104][ T73] fib6_nh_init+0x3d8/0x1580 [ 8576.591104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8576.591104][ T73] ip6_route_add+0x1c/0x140 [ 8576.591104][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8576.591104][ T73] addrconf_add_dev+0xe2/0x170 [ 8576.591104][ T73] inet6_addr_add+0x12f/0xa40 [ 8576.591104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8576.591104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.591104][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.591104][ T73] netlink_unicast+0x449/0x710 [ 8576.591104][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.591104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.591104][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.591104][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.591104][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.591104][ T73] [ 8576.593087][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8576.593087][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8576.593087][ T73] ipv6_find_idev+0x102/0x170 [ 8576.593087][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8576.593087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.593087][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.593087][ T73] netlink_unicast+0x449/0x710 [ 8576.593087][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.593087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.593087][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.593087][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.593087][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.593087][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.593087][ T73] [ 8576.594683][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8576.594683][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8576.594683][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8576.594683][ T73] ipv6_find_idev+0x102/0x170 [ 8576.594683][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8576.594683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8576.594683][ T73] netlink_rcv_skb+0x130/0x360 [ 8576.594683][ T73] netlink_unicast+0x449/0x710 [ 8576.594683][ T73] netlink_sendmsg+0x723/0xbe0 [ 8576.594683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8576.594683][ T73] ___sys_sendmsg+0xee/0x170 [ 8576.594683][ T73] __sys_sendmsg+0xcd/0x170 [ 8576.594683][ T73] do_syscall_64+0xc6/0x1e0 [ 8576.594683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8576.594683][ T73] [ 8585.517704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8585.518141][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8585.518141][ T1076] netdev_get_by_index+0x5e/0x80 [ 8585.518141][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8585.518141][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8585.518141][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8585.518141][ T1076] ipv6_add_addr+0x411/0x2000 [ 8585.518141][ T1076] inet6_addr_add+0x30e/0xa40 [ 8585.518141][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8585.518141][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.518141][ T1076] netlink_rcv_skb+0x130/0x360 [ 8585.518141][ T1076] netlink_unicast+0x449/0x710 [ 8585.518141][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8585.518141][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8585.518141][ T1076] ___sys_sendmsg+0xee/0x170 [ 8585.518141][ T1076] __sys_sendmsg+0xcd/0x170 [ 8585.518141][ T1076] do_syscall_64+0xc6/0x1e0 [ 8585.518141][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.518141][ T1076] [ 8585.520410][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8585.520410][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8585.520410][ T1076] ipv6_find_idev+0x102/0x170 [ 8585.520410][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8585.520410][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.520410][ T1076] netlink_rcv_skb+0x130/0x360 [ 8585.520410][ T1076] netlink_unicast+0x449/0x710 [ 8585.520410][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8585.520410][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8585.520410][ T1076] ___sys_sendmsg+0xee/0x170 [ 8585.520410][ T1076] __sys_sendmsg+0xcd/0x170 [ 8585.520410][ T1076] do_syscall_64+0xc6/0x1e0 [ 8585.520410][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.520410][ T1076] [ 8585.522176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8585.522176][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8585.522176][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8585.522176][ T1076] ipv6_find_idev+0x102/0x170 [ 8585.522176][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8585.522176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8585.522176][ T1076] netlink_rcv_skb+0x130/0x360 [ 8585.522176][ T1076] netlink_unicast+0x449/0x710 [ 8585.522176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8585.522176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8585.522176][ T1076] ___sys_sendmsg+0xee/0x170 [ 8585.522176][ T1076] __sys_sendmsg+0xcd/0x170 [ 8585.522176][ T1076] do_syscall_64+0xc6/0x1e0 [ 8585.522176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8585.522176][ T1076] [ 8586.837640][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8586.838163][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8586.838163][ T73] dst_init+0x84/0x4a0 [ 8586.838163][ T73] dst_alloc+0x97/0x150 [ 8586.838163][ T73] ip6_dst_alloc+0x23/0x90 [ 8586.838163][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8586.838163][ T73] ip6_pol_route+0x56f/0x840 [ 8586.838163][ T73] fib6_rule_lookup+0x456/0x630 [ 8586.838163][ T73] ip6_route_input+0x59c/0xa50 [ 8586.838163][ T73] ipv6_rcv+0x397/0x810 [ 8586.838163][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8586.838163][ T73] process_backlog+0x101/0x620 [ 8586.838163][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8586.838163][ T73] net_rx_action+0x495/0xbe0 [ 8586.838163][ T73] __do_softirq+0x1b5/0x7f6 [ 8586.838163][ T73] [ 8586.840780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8586.840780][ T73] netdev_get_by_index+0x5e/0x80 [ 8586.840780][ T73] fib6_nh_init+0x3d8/0x1580 [ 8586.840780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8586.840780][ T73] ip6_route_add+0x1c/0x140 [ 8586.840780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8586.840780][ T73] inet6_addr_add+0x4f8/0xa40 [ 8586.840780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.840780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.840780][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.840780][ T73] netlink_unicast+0x449/0x710 [ 8586.840780][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.840780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.840780][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.840780][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.840780][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.840780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.840780][ T73] [ 8586.843945][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8586.843945][ T73] netdev_get_by_index+0x5e/0x80 [ 8586.843945][ T73] fib6_nh_init+0x3d8/0x1580 [ 8586.843945][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8586.843945][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8586.843945][ T73] ipv6_add_addr+0x411/0x2000 [ 8586.843945][ T73] inet6_addr_add+0x30e/0xa40 [ 8586.843945][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.843945][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.843945][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.843945][ T73] netlink_unicast+0x449/0x710 [ 8586.843945][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.843945][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.843945][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.843945][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.843945][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.843945][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.843945][ T73] [ 8586.847102][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8586.847102][ T73] netdev_get_by_index+0x5e/0x80 [ 8586.847102][ T73] fib6_nh_init+0x3d8/0x1580 [ 8586.847102][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8586.847102][ T73] ip6_route_add+0x1c/0x140 [ 8586.847102][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8586.847102][ T73] addrconf_add_dev+0xe2/0x170 [ 8586.847102][ T73] inet6_addr_add+0x12f/0xa40 [ 8586.847102][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.847102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.847102][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.847102][ T73] netlink_unicast+0x449/0x710 [ 8586.847102][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.847102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.847102][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.847102][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.847102][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.847102][ T73] [ 8586.850197][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8586.850197][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8586.850197][ T73] ipv6_find_idev+0x102/0x170 [ 8586.850197][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8586.850197][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.850197][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.850197][ T73] netlink_unicast+0x449/0x710 [ 8586.850197][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.850197][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.850197][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.850197][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.850197][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.850197][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.850197][ T73] [ 8586.852624][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8586.852624][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8586.852624][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8586.852624][ T73] ipv6_find_idev+0x102/0x170 [ 8586.852624][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8586.852624][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.852624][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.852624][ T73] netlink_unicast+0x449/0x710 [ 8586.852624][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.852624][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.852624][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.852624][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.852624][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.852624][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.852624][ T73] [ 8586.855318][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8586.855715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8586.855715][ T73] dst_init+0x84/0x4a0 [ 8586.855715][ T73] dst_alloc+0x97/0x150 [ 8586.855715][ T73] ip6_dst_alloc+0x23/0x90 [ 8586.855715][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8586.855715][ T73] ip6_pol_route+0x56f/0x840 [ 8586.855715][ T73] fib6_rule_lookup+0x456/0x630 [ 8586.855715][ T73] ip6_route_input+0x59c/0xa50 [ 8586.855715][ T73] ipv6_rcv+0x397/0x810 [ 8586.855715][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8586.855715][ T73] process_backlog+0x101/0x620 [ 8586.855715][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8586.855715][ T73] net_rx_action+0x495/0xbe0 [ 8586.855715][ T73] __do_softirq+0x1b5/0x7f6 [ 8586.855715][ T73] [ 8586.858297][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8586.858297][ T73] netdev_get_by_index+0x5e/0x80 [ 8586.858297][ T73] fib6_nh_init+0x3d8/0x1580 [ 8586.858297][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8586.858297][ T73] ip6_route_add+0x1c/0x140 [ 8586.858297][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8586.858297][ T73] inet6_addr_add+0x4f8/0xa40 [ 8586.858297][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.858297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.858297][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.858297][ T73] netlink_unicast+0x449/0x710 [ 8586.858297][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.858297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.858297][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.858297][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.858297][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.858297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.858297][ T73] [ 8586.861446][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8586.861446][ T73] netdev_get_by_index+0x5e/0x80 [ 8586.861446][ T73] fib6_nh_init+0x3d8/0x1580 [ 8586.861446][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8586.861446][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8586.861446][ T73] ipv6_add_addr+0x411/0x2000 [ 8586.861446][ T73] inet6_addr_add+0x30e/0xa40 [ 8586.861446][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.861446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.861446][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.861446][ T73] netlink_unicast+0x449/0x710 [ 8586.861446][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.861446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.861446][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.861446][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.861446][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.861446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.861446][ T73] [ 8586.864600][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8586.864600][ T73] netdev_get_by_index+0x5e/0x80 [ 8586.864600][ T73] fib6_nh_init+0x3d8/0x1580 [ 8586.864600][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8586.864600][ T73] ip6_route_add+0x1c/0x140 [ 8586.864600][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8586.864600][ T73] addrconf_add_dev+0xe2/0x170 [ 8586.864600][ T73] inet6_addr_add+0x12f/0xa40 [ 8586.864600][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8586.864600][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.864600][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.864600][ T73] netlink_unicast+0x449/0x710 [ 8586.864600][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.864600][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.864600][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.864600][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.864600][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.864600][ T73] [ 8586.867722][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8586.867722][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8586.867722][ T73] ipv6_find_idev+0x102/0x170 [ 8586.867722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8586.867722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.867722][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.867722][ T73] netlink_unicast+0x449/0x710 [ 8586.867722][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.867722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.867722][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.867722][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.867722][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.867722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.867722][ T73] [ 8586.870162][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8586.870162][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8586.870162][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8586.870162][ T73] ipv6_find_idev+0x102/0x170 [ 8586.870162][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8586.870162][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8586.870162][ T73] netlink_rcv_skb+0x130/0x360 [ 8586.870162][ T73] netlink_unicast+0x449/0x710 [ 8586.870162][ T73] netlink_sendmsg+0x723/0xbe0 [ 8586.870162][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8586.870162][ T73] ___sys_sendmsg+0xee/0x170 [ 8586.870162][ T73] __sys_sendmsg+0xcd/0x170 [ 8586.870162][ T73] do_syscall_64+0xc6/0x1e0 [ 8586.870162][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8586.870162][ T73] [ 8595.765690][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8595.766129][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8595.766129][ T1076] netdev_get_by_index+0x5e/0x80 [ 8595.766129][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8595.766129][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8595.766129][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8595.766129][ T1076] ipv6_add_addr+0x411/0x2000 [ 8595.766129][ T1076] inet6_addr_add+0x30e/0xa40 [ 8595.766129][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8595.766129][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.766129][ T1076] netlink_rcv_skb+0x130/0x360 [ 8595.766129][ T1076] netlink_unicast+0x449/0x710 [ 8595.766129][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8595.766129][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8595.766129][ T1076] ___sys_sendmsg+0xee/0x170 [ 8595.766129][ T1076] __sys_sendmsg+0xcd/0x170 [ 8595.766129][ T1076] do_syscall_64+0xc6/0x1e0 [ 8595.766129][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.766129][ T1076] [ 8595.768432][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8595.768432][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8595.768432][ T1076] ipv6_find_idev+0x102/0x170 [ 8595.768432][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8595.768432][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.768432][ T1076] netlink_rcv_skb+0x130/0x360 [ 8595.768432][ T1076] netlink_unicast+0x449/0x710 [ 8595.768432][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8595.768432][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8595.768432][ T1076] ___sys_sendmsg+0xee/0x170 [ 8595.768432][ T1076] __sys_sendmsg+0xcd/0x170 [ 8595.768432][ T1076] do_syscall_64+0xc6/0x1e0 [ 8595.768432][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.768432][ T1076] [ 8595.770180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8595.770180][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8595.770180][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8595.770180][ T1076] ipv6_find_idev+0x102/0x170 [ 8595.770180][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8595.770180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8595.770180][ T1076] netlink_rcv_skb+0x130/0x360 [ 8595.770180][ T1076] netlink_unicast+0x449/0x710 [ 8595.770180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8595.770180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8595.770180][ T1076] ___sys_sendmsg+0xee/0x170 [ 8595.770180][ T1076] __sys_sendmsg+0xcd/0x170 [ 8595.770180][ T1076] do_syscall_64+0xc6/0x1e0 [ 8595.770180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8595.770180][ T1076] [ 8597.109705][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8597.110076][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8597.110076][ T73] dst_init+0x84/0x4a0 [ 8597.110076][ T73] dst_alloc+0x97/0x150 [ 8597.110076][ T73] ip6_dst_alloc+0x23/0x90 [ 8597.110076][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8597.110076][ T73] ip6_pol_route+0x56f/0x840 [ 8597.110076][ T73] fib6_rule_lookup+0x456/0x630 [ 8597.110076][ T73] ip6_route_input+0x59c/0xa50 [ 8597.110076][ T73] ipv6_rcv+0x397/0x810 [ 8597.110076][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8597.110076][ T73] process_backlog+0x101/0x620 [ 8597.110076][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8597.110076][ T73] net_rx_action+0x495/0xbe0 [ 8597.110076][ T73] __do_softirq+0x1b5/0x7f6 [ 8597.110076][ T73] [ 8597.111770][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8597.111770][ T73] netdev_get_by_index+0x5e/0x80 [ 8597.111770][ T73] fib6_nh_init+0x3d8/0x1580 [ 8597.111770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8597.111770][ T73] ip6_route_add+0x1c/0x140 [ 8597.111770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8597.111770][ T73] inet6_addr_add+0x4f8/0xa40 [ 8597.111770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8597.111770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.111770][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.111770][ T73] netlink_unicast+0x449/0x710 [ 8597.111770][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.111770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.111770][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.111770][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.111770][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.111770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.111770][ T73] [ 8597.114124][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8597.114124][ T73] netdev_get_by_index+0x5e/0x80 [ 8597.114124][ T73] fib6_nh_init+0x3d8/0x1580 [ 8597.114124][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8597.114124][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8597.114124][ T73] ipv6_add_addr+0x411/0x2000 [ 8597.114124][ T73] inet6_addr_add+0x30e/0xa40 [ 8597.114124][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8597.114124][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.114124][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.114124][ T73] netlink_unicast+0x449/0x710 [ 8597.114124][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.114124][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.114124][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.114124][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.114124][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.114124][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.114124][ T73] [ 8597.116136][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8597.116136][ T73] netdev_get_by_index+0x5e/0x80 [ 8597.116136][ T73] fib6_nh_init+0x3d8/0x1580 [ 8597.116136][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8597.116136][ T73] ip6_route_add+0x1c/0x140 [ 8597.116136][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8597.116136][ T73] addrconf_add_dev+0xe2/0x170 [ 8597.116136][ T73] inet6_addr_add+0x12f/0xa40 [ 8597.116136][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8597.116136][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.116136][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.116136][ T73] netlink_unicast+0x449/0x710 [ 8597.116136][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.116136][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.116136][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.116136][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.116136][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.116136][ T73] [ 8597.118113][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8597.118113][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8597.118113][ T73] ipv6_find_idev+0x102/0x170 [ 8597.118113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8597.118113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.118113][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.118113][ T73] netlink_unicast+0x449/0x710 [ 8597.118113][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.118113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.118113][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.118113][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.118113][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.118113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.118113][ T73] [ 8597.119663][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8597.119663][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8597.119663][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8597.119663][ T73] ipv6_find_idev+0x102/0x170 [ 8597.119663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8597.119663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.119663][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.119663][ T73] netlink_unicast+0x449/0x710 [ 8597.119663][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.119663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.119663][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.119663][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.119663][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.119663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.119663][ T73] [ 8597.121376][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8597.121619][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8597.121619][ T73] dst_init+0x84/0x4a0 [ 8597.121619][ T73] dst_alloc+0x97/0x150 [ 8597.121619][ T73] ip6_dst_alloc+0x23/0x90 [ 8597.121619][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8597.121619][ T73] ip6_pol_route+0x56f/0x840 [ 8597.121619][ T73] fib6_rule_lookup+0x456/0x630 [ 8597.121619][ T73] ip6_route_input+0x59c/0xa50 [ 8597.121619][ T73] ipv6_rcv+0x397/0x810 [ 8597.121619][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8597.121619][ T73] process_backlog+0x101/0x620 [ 8597.121619][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8597.121619][ T73] net_rx_action+0x495/0xbe0 [ 8597.121619][ T73] __do_softirq+0x1b5/0x7f6 [ 8597.121619][ T73] [ 8597.123267][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8597.123267][ T73] netdev_get_by_index+0x5e/0x80 [ 8597.123267][ T73] fib6_nh_init+0x3d8/0x1580 [ 8597.123267][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8597.123267][ T73] ip6_route_add+0x1c/0x140 [ 8597.123267][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8597.123267][ T73] inet6_addr_add+0x4f8/0xa40 [ 8597.123267][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8597.123267][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.123267][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.123267][ T73] netlink_unicast+0x449/0x710 [ 8597.123267][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.123267][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.123267][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.123267][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.123267][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.123267][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.123267][ T73] [ 8597.125284][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8597.125284][ T73] netdev_get_by_index+0x5e/0x80 [ 8597.125284][ T73] fib6_nh_init+0x3d8/0x1580 [ 8597.125284][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8597.125284][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8597.125284][ T73] ipv6_add_addr+0x411/0x2000 [ 8597.125284][ T73] inet6_addr_add+0x30e/0xa40 [ 8597.125284][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8597.125284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.125284][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.125284][ T73] netlink_unicast+0x449/0x710 [ 8597.125284][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.125284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.125284][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.125284][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.125284][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.125284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.125284][ T73] [ 8597.127317][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8597.127317][ T73] netdev_get_by_index+0x5e/0x80 [ 8597.127317][ T73] fib6_nh_init+0x3d8/0x1580 [ 8597.127317][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8597.127317][ T73] ip6_route_add+0x1c/0x140 [ 8597.127317][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8597.127317][ T73] addrconf_add_dev+0xe2/0x170 [ 8597.127317][ T73] inet6_addr_add+0x12f/0xa40 [ 8597.127317][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8597.127317][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.127317][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.127317][ T73] netlink_unicast+0x449/0x710 [ 8597.127317][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.127317][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.127317][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.127317][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.127317][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.127317][ T73] [ 8597.129300][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8597.129300][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8597.129300][ T73] ipv6_find_idev+0x102/0x170 [ 8597.129300][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8597.129300][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.129300][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.129300][ T73] netlink_unicast+0x449/0x710 [ 8597.129300][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.129300][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.129300][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.129300][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.129300][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.129300][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.129300][ T73] [ 8597.130848][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8597.130848][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8597.130848][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8597.130848][ T73] ipv6_find_idev+0x102/0x170 [ 8597.130848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8597.130848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8597.130848][ T73] netlink_rcv_skb+0x130/0x360 [ 8597.130848][ T73] netlink_unicast+0x449/0x710 [ 8597.130848][ T73] netlink_sendmsg+0x723/0xbe0 [ 8597.130848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8597.130848][ T73] ___sys_sendmsg+0xee/0x170 [ 8597.130848][ T73] __sys_sendmsg+0xcd/0x170 [ 8597.130848][ T73] do_syscall_64+0xc6/0x1e0 [ 8597.130848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8597.130848][ T73] [ 8606.013677][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8606.014172][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8606.014172][ T1076] netdev_get_by_index+0x5e/0x80 [ 8606.014172][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8606.014172][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8606.014172][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8606.014172][ T1076] ipv6_add_addr+0x411/0x2000 [ 8606.014172][ T1076] inet6_addr_add+0x30e/0xa40 [ 8606.014172][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8606.014172][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.014172][ T1076] netlink_rcv_skb+0x130/0x360 [ 8606.014172][ T1076] netlink_unicast+0x449/0x710 [ 8606.014172][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8606.014172][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8606.014172][ T1076] ___sys_sendmsg+0xee/0x170 [ 8606.014172][ T1076] __sys_sendmsg+0xcd/0x170 [ 8606.014172][ T1076] do_syscall_64+0xc6/0x1e0 [ 8606.014172][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.014172][ T1076] [ 8606.016666][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8606.016666][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8606.016666][ T1076] ipv6_find_idev+0x102/0x170 [ 8606.016666][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8606.016666][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.016666][ T1076] netlink_rcv_skb+0x130/0x360 [ 8606.016666][ T1076] netlink_unicast+0x449/0x710 [ 8606.016666][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8606.016666][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8606.016666][ T1076] ___sys_sendmsg+0xee/0x170 [ 8606.016666][ T1076] __sys_sendmsg+0xcd/0x170 [ 8606.016666][ T1076] do_syscall_64+0xc6/0x1e0 [ 8606.016666][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.016666][ T1076] [ 8606.018516][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8606.018516][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8606.018516][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8606.018516][ T1076] ipv6_find_idev+0x102/0x170 [ 8606.018516][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8606.018516][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8606.018516][ T1076] netlink_rcv_skb+0x130/0x360 [ 8606.018516][ T1076] netlink_unicast+0x449/0x710 [ 8606.018516][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8606.018516][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8606.018516][ T1076] ___sys_sendmsg+0xee/0x170 [ 8606.018516][ T1076] __sys_sendmsg+0xcd/0x170 [ 8606.018516][ T1076] do_syscall_64+0xc6/0x1e0 [ 8606.018516][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8606.018516][ T1076] [ 8607.373651][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8607.374018][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8607.374018][ T73] dst_init+0x84/0x4a0 [ 8607.374018][ T73] dst_alloc+0x97/0x150 [ 8607.374018][ T73] ip6_dst_alloc+0x23/0x90 [ 8607.374018][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8607.374018][ T73] ip6_pol_route+0x56f/0x840 [ 8607.374018][ T73] fib6_rule_lookup+0x456/0x630 [ 8607.374018][ T73] ip6_route_input+0x59c/0xa50 [ 8607.374018][ T73] ipv6_rcv+0x397/0x810 [ 8607.374018][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8607.374018][ T73] process_backlog+0x101/0x620 [ 8607.374018][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8607.374018][ T73] net_rx_action+0x495/0xbe0 [ 8607.374018][ T73] __do_softirq+0x1b5/0x7f6 [ 8607.374018][ T73] [ 8607.375671][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8607.375671][ T73] netdev_get_by_index+0x5e/0x80 [ 8607.375671][ T73] fib6_nh_init+0x3d8/0x1580 [ 8607.375671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8607.375671][ T73] ip6_route_add+0x1c/0x140 [ 8607.375671][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8607.375671][ T73] inet6_addr_add+0x4f8/0xa40 [ 8607.375671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8607.375671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.375671][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.375671][ T73] netlink_unicast+0x449/0x710 [ 8607.375671][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.375671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.375671][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.375671][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.375671][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.375671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.375671][ T73] [ 8607.377669][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8607.377669][ T73] netdev_get_by_index+0x5e/0x80 [ 8607.377669][ T73] fib6_nh_init+0x3d8/0x1580 [ 8607.377669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8607.377669][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8607.377669][ T73] ipv6_add_addr+0x411/0x2000 [ 8607.377669][ T73] inet6_addr_add+0x30e/0xa40 [ 8607.377669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8607.377669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.377669][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.377669][ T73] netlink_unicast+0x449/0x710 [ 8607.377669][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.377669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.377669][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.377669][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.377669][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.377669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.377669][ T73] [ 8607.379799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8607.379799][ T73] netdev_get_by_index+0x5e/0x80 [ 8607.379799][ T73] fib6_nh_init+0x3d8/0x1580 [ 8607.379799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8607.379799][ T73] ip6_route_add+0x1c/0x140 [ 8607.379799][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8607.379799][ T73] addrconf_add_dev+0xe2/0x170 [ 8607.379799][ T73] inet6_addr_add+0x12f/0xa40 [ 8607.379799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8607.379799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.379799][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.379799][ T73] netlink_unicast+0x449/0x710 [ 8607.379799][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.379799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.379799][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.379799][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.379799][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.379799][ T73] [ 8607.381781][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8607.381781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8607.381781][ T73] ipv6_find_idev+0x102/0x170 [ 8607.381781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8607.381781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.381781][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.381781][ T73] netlink_unicast+0x449/0x710 [ 8607.381781][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.381781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.381781][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.381781][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.381781][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.381781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.381781][ T73] [ 8607.383342][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8607.383342][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8607.383342][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8607.383342][ T73] ipv6_find_idev+0x102/0x170 [ 8607.383342][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8607.383342][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.383342][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.383342][ T73] netlink_unicast+0x449/0x710 [ 8607.383342][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.383342][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.383342][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.383342][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.383342][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.383342][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.383342][ T73] [ 8607.385036][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8607.385285][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8607.385285][ T73] dst_init+0x84/0x4a0 [ 8607.385285][ T73] dst_alloc+0x97/0x150 [ 8607.385285][ T73] ip6_dst_alloc+0x23/0x90 [ 8607.385285][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8607.385285][ T73] ip6_pol_route+0x56f/0x840 [ 8607.385285][ T73] fib6_rule_lookup+0x456/0x630 [ 8607.385285][ T73] ip6_route_input+0x59c/0xa50 [ 8607.385285][ T73] ipv6_rcv+0x397/0x810 [ 8607.385285][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8607.385285][ T73] process_backlog+0x101/0x620 [ 8607.385285][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8607.385285][ T73] net_rx_action+0x495/0xbe0 [ 8607.385285][ T73] __do_softirq+0x1b5/0x7f6 [ 8607.385285][ T73] [ 8607.386918][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8607.386918][ T73] netdev_get_by_index+0x5e/0x80 [ 8607.386918][ T73] fib6_nh_init+0x3d8/0x1580 [ 8607.386918][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8607.386918][ T73] ip6_route_add+0x1c/0x140 [ 8607.386918][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8607.386918][ T73] inet6_addr_add+0x4f8/0xa40 [ 8607.386918][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8607.386918][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.386918][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.386918][ T73] netlink_unicast+0x449/0x710 [ 8607.386918][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.386918][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.386918][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.386918][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.386918][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.386918][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.386918][ T73] [ 8607.388915][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8607.388915][ T73] netdev_get_by_index+0x5e/0x80 [ 8607.388915][ T73] fib6_nh_init+0x3d8/0x1580 [ 8607.388915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8607.388915][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8607.388915][ T73] ipv6_add_addr+0x411/0x2000 [ 8607.388915][ T73] inet6_addr_add+0x30e/0xa40 [ 8607.388915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8607.388915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.388915][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.388915][ T73] netlink_unicast+0x449/0x710 [ 8607.388915][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.388915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.388915][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.388915][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.388915][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.388915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.388915][ T73] [ 8607.390915][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8607.390915][ T73] netdev_get_by_index+0x5e/0x80 [ 8607.390915][ T73] fib6_nh_init+0x3d8/0x1580 [ 8607.390915][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8607.390915][ T73] ip6_route_add+0x1c/0x140 [ 8607.390915][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8607.390915][ T73] addrconf_add_dev+0xe2/0x170 [ 8607.390915][ T73] inet6_addr_add+0x12f/0xa40 [ 8607.390915][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8607.390915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.390915][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.390915][ T73] netlink_unicast+0x449/0x710 [ 8607.390915][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.390915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.390915][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.390915][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.390915][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.390915][ T73] [ 8607.392882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8607.392882][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8607.392882][ T73] ipv6_find_idev+0x102/0x170 [ 8607.392882][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8607.392882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.392882][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.392882][ T73] netlink_unicast+0x449/0x710 [ 8607.392882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.392882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.392882][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.392882][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.392882][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.392882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.392882][ T73] [ 8607.395173][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8607.395173][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8607.395173][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8607.395173][ T73] ipv6_find_idev+0x102/0x170 [ 8607.395173][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8607.395173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8607.395173][ T73] netlink_rcv_skb+0x130/0x360 [ 8607.395173][ T73] netlink_unicast+0x449/0x710 [ 8607.395173][ T73] netlink_sendmsg+0x723/0xbe0 [ 8607.395173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8607.395173][ T73] ___sys_sendmsg+0xee/0x170 [ 8607.395173][ T73] __sys_sendmsg+0xcd/0x170 [ 8607.395173][ T73] do_syscall_64+0xc6/0x1e0 [ 8607.395173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8607.395173][ T73] [ 8616.261641][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8616.262166][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8616.262166][ T1076] netdev_get_by_index+0x5e/0x80 [ 8616.262166][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8616.262166][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8616.262166][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8616.262166][ T1076] ipv6_add_addr+0x411/0x2000 [ 8616.262166][ T1076] inet6_addr_add+0x30e/0xa40 [ 8616.262166][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8616.262166][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.262166][ T1076] netlink_rcv_skb+0x130/0x360 [ 8616.262166][ T1076] netlink_unicast+0x449/0x710 [ 8616.262166][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8616.262166][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8616.262166][ T1076] ___sys_sendmsg+0xee/0x170 [ 8616.262166][ T1076] __sys_sendmsg+0xcd/0x170 [ 8616.262166][ T1076] do_syscall_64+0xc6/0x1e0 [ 8616.262166][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.262166][ T1076] [ 8616.264485][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8616.264485][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8616.264485][ T1076] ipv6_find_idev+0x102/0x170 [ 8616.264485][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8616.264485][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.264485][ T1076] netlink_rcv_skb+0x130/0x360 [ 8616.264485][ T1076] netlink_unicast+0x449/0x710 [ 8616.264485][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8616.264485][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8616.264485][ T1076] ___sys_sendmsg+0xee/0x170 [ 8616.264485][ T1076] __sys_sendmsg+0xcd/0x170 [ 8616.264485][ T1076] do_syscall_64+0xc6/0x1e0 [ 8616.264485][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.264485][ T1076] [ 8616.266233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8616.266233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8616.266233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8616.266233][ T1076] ipv6_find_idev+0x102/0x170 [ 8616.266233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8616.266233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8616.266233][ T1076] netlink_rcv_skb+0x130/0x360 [ 8616.266233][ T1076] netlink_unicast+0x449/0x710 [ 8616.266233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8616.266233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8616.266233][ T1076] ___sys_sendmsg+0xee/0x170 [ 8616.266233][ T1076] __sys_sendmsg+0xcd/0x170 [ 8616.266233][ T1076] do_syscall_64+0xc6/0x1e0 [ 8616.266233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8616.266233][ T1076] [ 8617.637658][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8617.638088][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8617.638088][ T73] dst_init+0x84/0x4a0 [ 8617.638088][ T73] dst_alloc+0x97/0x150 [ 8617.638088][ T73] ip6_dst_alloc+0x23/0x90 [ 8617.638088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8617.638088][ T73] ip6_pol_route+0x56f/0x840 [ 8617.638088][ T73] fib6_rule_lookup+0x456/0x630 [ 8617.638088][ T73] ip6_route_input+0x59c/0xa50 [ 8617.638088][ T73] ipv6_rcv+0x397/0x810 [ 8617.638088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8617.638088][ T73] process_backlog+0x101/0x620 [ 8617.638088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8617.638088][ T73] net_rx_action+0x495/0xbe0 [ 8617.638088][ T73] __do_softirq+0x1b5/0x7f6 [ 8617.638088][ T73] [ 8617.639744][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8617.639744][ T73] netdev_get_by_index+0x5e/0x80 [ 8617.639744][ T73] fib6_nh_init+0x3d8/0x1580 [ 8617.639744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8617.639744][ T73] ip6_route_add+0x1c/0x140 [ 8617.639744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8617.639744][ T73] inet6_addr_add+0x4f8/0xa40 [ 8617.639744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8617.639744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.639744][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.639744][ T73] netlink_unicast+0x449/0x710 [ 8617.639744][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.639744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.639744][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.639744][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.639744][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.639744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.639744][ T73] [ 8617.641736][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8617.641736][ T73] netdev_get_by_index+0x5e/0x80 [ 8617.641736][ T73] fib6_nh_init+0x3d8/0x1580 [ 8617.641736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8617.641736][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8617.641736][ T73] ipv6_add_addr+0x411/0x2000 [ 8617.641736][ T73] inet6_addr_add+0x30e/0xa40 [ 8617.641736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8617.641736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.641736][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.641736][ T73] netlink_unicast+0x449/0x710 [ 8617.641736][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.641736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.641736][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.641736][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.641736][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.641736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.641736][ T73] [ 8617.643755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8617.643755][ T73] netdev_get_by_index+0x5e/0x80 [ 8617.643755][ T73] fib6_nh_init+0x3d8/0x1580 [ 8617.643755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8617.643755][ T73] ip6_route_add+0x1c/0x140 [ 8617.643755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8617.643755][ T73] addrconf_add_dev+0xe2/0x170 [ 8617.643755][ T73] inet6_addr_add+0x12f/0xa40 [ 8617.643755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8617.643755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.643755][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.643755][ T73] netlink_unicast+0x449/0x710 [ 8617.643755][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.643755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.643755][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.643755][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.643755][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.643755][ T73] [ 8617.645716][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8617.645716][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8617.645716][ T73] ipv6_find_idev+0x102/0x170 [ 8617.645716][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8617.645716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.645716][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.645716][ T73] netlink_unicast+0x449/0x710 [ 8617.645716][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.645716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.645716][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.645716][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.645716][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.645716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.645716][ T73] [ 8617.647261][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8617.647261][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8617.647261][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8617.647261][ T73] ipv6_find_idev+0x102/0x170 [ 8617.647261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8617.647261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.647261][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.647261][ T73] netlink_unicast+0x449/0x710 [ 8617.647261][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.647261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.647261][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.647261][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.647261][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.647261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.647261][ T73] [ 8617.648964][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8617.649210][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8617.649210][ T73] dst_init+0x84/0x4a0 [ 8617.649210][ T73] dst_alloc+0x97/0x150 [ 8617.649210][ T73] ip6_dst_alloc+0x23/0x90 [ 8617.649210][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8617.649210][ T73] ip6_pol_route+0x56f/0x840 [ 8617.649210][ T73] fib6_rule_lookup+0x456/0x630 [ 8617.649210][ T73] ip6_route_input+0x59c/0xa50 [ 8617.649210][ T73] ipv6_rcv+0x397/0x810 [ 8617.649210][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8617.649210][ T73] process_backlog+0x101/0x620 [ 8617.649210][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8617.649210][ T73] net_rx_action+0x495/0xbe0 [ 8617.649210][ T73] __do_softirq+0x1b5/0x7f6 [ 8617.649210][ T73] [ 8617.650843][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8617.650843][ T73] netdev_get_by_index+0x5e/0x80 [ 8617.650843][ T73] fib6_nh_init+0x3d8/0x1580 [ 8617.650843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8617.650843][ T73] ip6_route_add+0x1c/0x140 [ 8617.650843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8617.650843][ T73] inet6_addr_add+0x4f8/0xa40 [ 8617.650843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8617.650843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.650843][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.650843][ T73] netlink_unicast+0x449/0x710 [ 8617.650843][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.650843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.650843][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.650843][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.650843][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.650843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.650843][ T73] [ 8617.652840][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8617.652840][ T73] netdev_get_by_index+0x5e/0x80 [ 8617.652840][ T73] fib6_nh_init+0x3d8/0x1580 [ 8617.652840][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8617.652840][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8617.652840][ T73] ipv6_add_addr+0x411/0x2000 [ 8617.652840][ T73] inet6_addr_add+0x30e/0xa40 [ 8617.652840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8617.652840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.652840][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.652840][ T73] netlink_unicast+0x449/0x710 [ 8617.652840][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.652840][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.652840][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.652840][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.652840][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.652840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.652840][ T73] [ 8617.654838][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8617.654838][ T73] netdev_get_by_index+0x5e/0x80 [ 8617.654838][ T73] fib6_nh_init+0x3d8/0x1580 [ 8617.654838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8617.654838][ T73] ip6_route_add+0x1c/0x140 [ 8617.654838][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8617.654838][ T73] addrconf_add_dev+0xe2/0x170 [ 8617.654838][ T73] inet6_addr_add+0x12f/0xa40 [ 8617.654838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8617.654838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.654838][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.654838][ T73] netlink_unicast+0x449/0x710 [ 8617.654838][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.654838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.654838][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.654838][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.654838][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.654838][ T73] [ 8617.656808][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8617.656808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8617.656808][ T73] ipv6_find_idev+0x102/0x170 [ 8617.656808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8617.656808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.656808][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.656808][ T73] netlink_unicast+0x449/0x710 [ 8617.656808][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.656808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.656808][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.656808][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.656808][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.656808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.656808][ T73] [ 8617.658354][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8617.658354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8617.658354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8617.658354][ T73] ipv6_find_idev+0x102/0x170 [ 8617.658354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8617.658354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8617.658354][ T73] netlink_rcv_skb+0x130/0x360 [ 8617.658354][ T73] netlink_unicast+0x449/0x710 [ 8617.658354][ T73] netlink_sendmsg+0x723/0xbe0 [ 8617.658354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8617.658354][ T73] ___sys_sendmsg+0xee/0x170 [ 8617.658354][ T73] __sys_sendmsg+0xcd/0x170 [ 8617.658354][ T73] do_syscall_64+0xc6/0x1e0 [ 8617.658354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8617.658354][ T73] [ 8626.509645][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8626.510156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8626.510156][ T1076] netdev_get_by_index+0x5e/0x80 [ 8626.510156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8626.510156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8626.510156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8626.510156][ T1076] ipv6_add_addr+0x411/0x2000 [ 8626.510156][ T1076] inet6_addr_add+0x30e/0xa40 [ 8626.510156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8626.510156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.510156][ T1076] netlink_rcv_skb+0x130/0x360 [ 8626.510156][ T1076] netlink_unicast+0x449/0x710 [ 8626.510156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8626.510156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8626.510156][ T1076] ___sys_sendmsg+0xee/0x170 [ 8626.510156][ T1076] __sys_sendmsg+0xcd/0x170 [ 8626.510156][ T1076] do_syscall_64+0xc6/0x1e0 [ 8626.510156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.510156][ T1076] [ 8626.512452][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8626.512452][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8626.512452][ T1076] ipv6_find_idev+0x102/0x170 [ 8626.512452][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8626.512452][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.512452][ T1076] netlink_rcv_skb+0x130/0x360 [ 8626.512452][ T1076] netlink_unicast+0x449/0x710 [ 8626.512452][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8626.512452][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8626.512452][ T1076] ___sys_sendmsg+0xee/0x170 [ 8626.512452][ T1076] __sys_sendmsg+0xcd/0x170 [ 8626.512452][ T1076] do_syscall_64+0xc6/0x1e0 [ 8626.512452][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.512452][ T1076] [ 8626.514255][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8626.514255][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8626.514255][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8626.514255][ T1076] ipv6_find_idev+0x102/0x170 [ 8626.514255][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8626.514255][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8626.514255][ T1076] netlink_rcv_skb+0x130/0x360 [ 8626.514255][ T1076] netlink_unicast+0x449/0x710 [ 8626.514255][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8626.514255][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8626.514255][ T1076] ___sys_sendmsg+0xee/0x170 [ 8626.514255][ T1076] __sys_sendmsg+0xcd/0x170 [ 8626.514255][ T1076] do_syscall_64+0xc6/0x1e0 [ 8626.514255][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8626.514255][ T1076] [ 8627.901713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8627.902131][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8627.902131][ T73] dst_init+0x84/0x4a0 [ 8627.902131][ T73] dst_alloc+0x97/0x150 [ 8627.902131][ T73] ip6_dst_alloc+0x23/0x90 [ 8627.902131][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8627.902131][ T73] ip6_pol_route+0x56f/0x840 [ 8627.902131][ T73] fib6_rule_lookup+0x456/0x630 [ 8627.902131][ T73] ip6_route_input+0x59c/0xa50 [ 8627.902131][ T73] ipv6_rcv+0x397/0x810 [ 8627.902131][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8627.902131][ T73] process_backlog+0x101/0x620 [ 8627.902131][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8627.902131][ T73] net_rx_action+0x495/0xbe0 [ 8627.902131][ T73] __do_softirq+0x1b5/0x7f6 [ 8627.902131][ T73] [ 8627.903786][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8627.903786][ T73] netdev_get_by_index+0x5e/0x80 [ 8627.903786][ T73] fib6_nh_init+0x3d8/0x1580 [ 8627.903786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8627.903786][ T73] ip6_route_add+0x1c/0x140 [ 8627.903786][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8627.903786][ T73] inet6_addr_add+0x4f8/0xa40 [ 8627.903786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.903786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.903786][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.903786][ T73] netlink_unicast+0x449/0x710 [ 8627.903786][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.903786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.903786][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.903786][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.903786][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.903786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.903786][ T73] [ 8627.905803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8627.905803][ T73] netdev_get_by_index+0x5e/0x80 [ 8627.905803][ T73] fib6_nh_init+0x3d8/0x1580 [ 8627.905803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8627.905803][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8627.905803][ T73] ipv6_add_addr+0x411/0x2000 [ 8627.905803][ T73] inet6_addr_add+0x30e/0xa40 [ 8627.905803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.905803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.905803][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.905803][ T73] netlink_unicast+0x449/0x710 [ 8627.905803][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.905803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.905803][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.905803][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.905803][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.905803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.905803][ T73] [ 8627.907791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8627.907791][ T73] netdev_get_by_index+0x5e/0x80 [ 8627.907791][ T73] fib6_nh_init+0x3d8/0x1580 [ 8627.907791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8627.907791][ T73] ip6_route_add+0x1c/0x140 [ 8627.907791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8627.907791][ T73] addrconf_add_dev+0xe2/0x170 [ 8627.907791][ T73] inet6_addr_add+0x12f/0xa40 [ 8627.907791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.907791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.907791][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.907791][ T73] netlink_unicast+0x449/0x710 [ 8627.907791][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.907791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.907791][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.907791][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.907791][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.907791][ T73] [ 8627.909737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8627.909737][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8627.909737][ T73] ipv6_find_idev+0x102/0x170 [ 8627.909737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8627.909737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.909737][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.909737][ T73] netlink_unicast+0x449/0x710 [ 8627.909737][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.909737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.909737][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.909737][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.909737][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.909737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.909737][ T73] [ 8627.911264][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8627.911264][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8627.911264][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8627.911264][ T73] ipv6_find_idev+0x102/0x170 [ 8627.911264][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8627.911264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.911264][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.911264][ T73] netlink_unicast+0x449/0x710 [ 8627.911264][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.911264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.911264][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.911264][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.911264][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.911264][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.911264][ T73] [ 8627.912930][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8627.913167][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8627.913167][ T73] dst_init+0x84/0x4a0 [ 8627.913167][ T73] dst_alloc+0x97/0x150 [ 8627.913167][ T73] ip6_dst_alloc+0x23/0x90 [ 8627.913167][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8627.913167][ T73] ip6_pol_route+0x56f/0x840 [ 8627.913167][ T73] fib6_rule_lookup+0x456/0x630 [ 8627.913167][ T73] ip6_route_input+0x59c/0xa50 [ 8627.913167][ T73] ipv6_rcv+0x397/0x810 [ 8627.913167][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8627.913167][ T73] process_backlog+0x101/0x620 [ 8627.913167][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8627.913167][ T73] net_rx_action+0x495/0xbe0 [ 8627.913167][ T73] __do_softirq+0x1b5/0x7f6 [ 8627.913167][ T73] [ 8627.914796][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8627.914796][ T73] netdev_get_by_index+0x5e/0x80 [ 8627.914796][ T73] fib6_nh_init+0x3d8/0x1580 [ 8627.914796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8627.914796][ T73] ip6_route_add+0x1c/0x140 [ 8627.914796][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8627.914796][ T73] inet6_addr_add+0x4f8/0xa40 [ 8627.914796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.914796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.914796][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.914796][ T73] netlink_unicast+0x449/0x710 [ 8627.914796][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.914796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.914796][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.914796][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.914796][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.914796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.914796][ T73] [ 8627.916782][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8627.916782][ T73] netdev_get_by_index+0x5e/0x80 [ 8627.916782][ T73] fib6_nh_init+0x3d8/0x1580 [ 8627.916782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8627.916782][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8627.916782][ T73] ipv6_add_addr+0x411/0x2000 [ 8627.916782][ T73] inet6_addr_add+0x30e/0xa40 [ 8627.916782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.916782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.916782][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.916782][ T73] netlink_unicast+0x449/0x710 [ 8627.916782][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.916782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.916782][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.916782][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.916782][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.916782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.916782][ T73] [ 8627.918768][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8627.918768][ T73] netdev_get_by_index+0x5e/0x80 [ 8627.918768][ T73] fib6_nh_init+0x3d8/0x1580 [ 8627.918768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8627.918768][ T73] ip6_route_add+0x1c/0x140 [ 8627.918768][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8627.918768][ T73] addrconf_add_dev+0xe2/0x170 [ 8627.918768][ T73] inet6_addr_add+0x12f/0xa40 [ 8627.918768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8627.918768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.918768][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.918768][ T73] netlink_unicast+0x449/0x710 [ 8627.918768][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.918768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.918768][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.918768][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.918768][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.918768][ T73] [ 8627.920718][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8627.920718][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8627.920718][ T73] ipv6_find_idev+0x102/0x170 [ 8627.920718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8627.920718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.920718][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.920718][ T73] netlink_unicast+0x449/0x710 [ 8627.920718][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.920718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.920718][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.920718][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.920718][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.920718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.920718][ T73] [ 8627.922255][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8627.922255][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8627.922255][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8627.922255][ T73] ipv6_find_idev+0x102/0x170 [ 8627.922255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8627.922255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8627.922255][ T73] netlink_rcv_skb+0x130/0x360 [ 8627.922255][ T73] netlink_unicast+0x449/0x710 [ 8627.922255][ T73] netlink_sendmsg+0x723/0xbe0 [ 8627.922255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8627.922255][ T73] ___sys_sendmsg+0xee/0x170 [ 8627.922255][ T73] __sys_sendmsg+0xcd/0x170 [ 8627.922255][ T73] do_syscall_64+0xc6/0x1e0 [ 8627.922255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8627.922255][ T73] [ 8636.757699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8636.758150][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8636.758150][ T1076] netdev_get_by_index+0x5e/0x80 [ 8636.758150][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8636.758150][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8636.758150][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8636.758150][ T1076] ipv6_add_addr+0x411/0x2000 [ 8636.758150][ T1076] inet6_addr_add+0x30e/0xa40 [ 8636.758150][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8636.758150][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.758150][ T1076] netlink_rcv_skb+0x130/0x360 [ 8636.758150][ T1076] netlink_unicast+0x449/0x710 [ 8636.758150][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8636.758150][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8636.758150][ T1076] ___sys_sendmsg+0xee/0x170 [ 8636.758150][ T1076] __sys_sendmsg+0xcd/0x170 [ 8636.758150][ T1076] do_syscall_64+0xc6/0x1e0 [ 8636.758150][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.758150][ T1076] [ 8636.760438][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8636.760438][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8636.760438][ T1076] ipv6_find_idev+0x102/0x170 [ 8636.760438][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8636.760438][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.760438][ T1076] netlink_rcv_skb+0x130/0x360 [ 8636.760438][ T1076] netlink_unicast+0x449/0x710 [ 8636.760438][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8636.760438][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8636.760438][ T1076] ___sys_sendmsg+0xee/0x170 [ 8636.760438][ T1076] __sys_sendmsg+0xcd/0x170 [ 8636.760438][ T1076] do_syscall_64+0xc6/0x1e0 [ 8636.760438][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.760438][ T1076] [ 8636.762187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8636.762187][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8636.762187][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8636.762187][ T1076] ipv6_find_idev+0x102/0x170 [ 8636.762187][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8636.762187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8636.762187][ T1076] netlink_rcv_skb+0x130/0x360 [ 8636.762187][ T1076] netlink_unicast+0x449/0x710 [ 8636.762187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8636.762187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8636.762187][ T1076] ___sys_sendmsg+0xee/0x170 [ 8636.762187][ T1076] __sys_sendmsg+0xcd/0x170 [ 8636.762187][ T1076] do_syscall_64+0xc6/0x1e0 [ 8636.762187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8636.762187][ T1076] [ 8638.013654][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8638.014074][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8638.014074][ T73] dst_init+0x84/0x4a0 [ 8638.014074][ T73] dst_alloc+0x97/0x150 [ 8638.014074][ T73] ip6_dst_alloc+0x23/0x90 [ 8638.014074][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8638.014074][ T73] ip6_pol_route+0x56f/0x840 [ 8638.014074][ T73] fib6_rule_lookup+0x456/0x630 [ 8638.014074][ T73] ip6_route_input+0x59c/0xa50 [ 8638.014074][ T73] ipv6_rcv+0x397/0x810 [ 8638.014074][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8638.014074][ T73] process_backlog+0x101/0x620 [ 8638.014074][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8638.014074][ T73] net_rx_action+0x495/0xbe0 [ 8638.014074][ T73] __do_softirq+0x1b5/0x7f6 [ 8638.014074][ T73] [ 8638.015764][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8638.015764][ T73] netdev_get_by_index+0x5e/0x80 [ 8638.015764][ T73] fib6_nh_init+0x3d8/0x1580 [ 8638.015764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8638.015764][ T73] ip6_route_add+0x1c/0x140 [ 8638.015764][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8638.015764][ T73] inet6_addr_add+0x4f8/0xa40 [ 8638.015764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8638.015764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.015764][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.015764][ T73] netlink_unicast+0x449/0x710 [ 8638.015764][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.015764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.015764][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.015764][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.015764][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.015764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.015764][ T73] [ 8638.017751][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8638.017751][ T73] netdev_get_by_index+0x5e/0x80 [ 8638.017751][ T73] fib6_nh_init+0x3d8/0x1580 [ 8638.017751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8638.017751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8638.017751][ T73] ipv6_add_addr+0x411/0x2000 [ 8638.017751][ T73] inet6_addr_add+0x30e/0xa40 [ 8638.017751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8638.017751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.017751][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.017751][ T73] netlink_unicast+0x449/0x710 [ 8638.017751][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.017751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.017751][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.017751][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.017751][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.017751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.017751][ T73] [ 8638.019737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8638.019737][ T73] netdev_get_by_index+0x5e/0x80 [ 8638.019737][ T73] fib6_nh_init+0x3d8/0x1580 [ 8638.019737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8638.019737][ T73] ip6_route_add+0x1c/0x140 [ 8638.019737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8638.019737][ T73] addrconf_add_dev+0xe2/0x170 [ 8638.019737][ T73] inet6_addr_add+0x12f/0xa40 [ 8638.019737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8638.019737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.019737][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.019737][ T73] netlink_unicast+0x449/0x710 [ 8638.019737][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.019737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.019737][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.019737][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.019737][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.019737][ T73] [ 8638.021681][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8638.021681][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8638.021681][ T73] ipv6_find_idev+0x102/0x170 [ 8638.021681][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8638.021681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.021681][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.021681][ T73] netlink_unicast+0x449/0x710 [ 8638.021681][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.021681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.021681][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.021681][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.021681][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.021681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.021681][ T73] [ 8638.023216][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8638.023216][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8638.023216][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8638.023216][ T73] ipv6_find_idev+0x102/0x170 [ 8638.023216][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8638.023216][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.023216][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.023216][ T73] netlink_unicast+0x449/0x710 [ 8638.023216][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.023216][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.023216][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.023216][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.023216][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.023216][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.023216][ T73] [ 8638.024900][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8638.025143][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8638.025143][ T73] dst_init+0x84/0x4a0 [ 8638.025143][ T73] dst_alloc+0x97/0x150 [ 8638.025143][ T73] ip6_dst_alloc+0x23/0x90 [ 8638.025143][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8638.025143][ T73] ip6_pol_route+0x56f/0x840 [ 8638.025143][ T73] fib6_rule_lookup+0x456/0x630 [ 8638.025143][ T73] ip6_route_input+0x59c/0xa50 [ 8638.025143][ T73] ipv6_rcv+0x397/0x810 [ 8638.025143][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8638.025143][ T73] process_backlog+0x101/0x620 [ 8638.025143][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8638.025143][ T73] net_rx_action+0x495/0xbe0 [ 8638.025143][ T73] __do_softirq+0x1b5/0x7f6 [ 8638.025143][ T73] [ 8638.026766][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8638.026766][ T73] netdev_get_by_index+0x5e/0x80 [ 8638.026766][ T73] fib6_nh_init+0x3d8/0x1580 [ 8638.026766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8638.026766][ T73] ip6_route_add+0x1c/0x140 [ 8638.026766][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8638.026766][ T73] inet6_addr_add+0x4f8/0xa40 [ 8638.026766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8638.026766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.026766][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.026766][ T73] netlink_unicast+0x449/0x710 [ 8638.026766][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.026766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.026766][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.026766][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.026766][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.026766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.026766][ T73] [ 8638.028757][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8638.028757][ T73] netdev_get_by_index+0x5e/0x80 [ 8638.028757][ T73] fib6_nh_init+0x3d8/0x1580 [ 8638.028757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8638.028757][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8638.028757][ T73] ipv6_add_addr+0x411/0x2000 [ 8638.028757][ T73] inet6_addr_add+0x30e/0xa40 [ 8638.028757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8638.028757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.028757][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.028757][ T73] netlink_unicast+0x449/0x710 [ 8638.028757][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.028757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.028757][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.028757][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.028757][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.028757][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.028757][ T73] [ 8638.030746][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8638.030746][ T73] netdev_get_by_index+0x5e/0x80 [ 8638.030746][ T73] fib6_nh_init+0x3d8/0x1580 [ 8638.030746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8638.030746][ T73] ip6_route_add+0x1c/0x140 [ 8638.030746][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8638.030746][ T73] addrconf_add_dev+0xe2/0x170 [ 8638.030746][ T73] inet6_addr_add+0x12f/0xa40 [ 8638.030746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8638.030746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.030746][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.030746][ T73] netlink_unicast+0x449/0x710 [ 8638.030746][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.030746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.030746][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.030746][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.030746][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.030746][ T73] [ 8638.032700][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8638.032700][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8638.032700][ T73] ipv6_find_idev+0x102/0x170 [ 8638.032700][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8638.032700][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.032700][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.032700][ T73] netlink_unicast+0x449/0x710 [ 8638.032700][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.032700][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.032700][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.032700][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.032700][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.032700][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.032700][ T73] [ 8638.034245][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8638.034245][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8638.034245][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8638.034245][ T73] ipv6_find_idev+0x102/0x170 [ 8638.034245][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8638.034245][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8638.034245][ T73] netlink_rcv_skb+0x130/0x360 [ 8638.034245][ T73] netlink_unicast+0x449/0x710 [ 8638.034245][ T73] netlink_sendmsg+0x723/0xbe0 [ 8638.034245][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8638.034245][ T73] ___sys_sendmsg+0xee/0x170 [ 8638.034245][ T73] __sys_sendmsg+0xcd/0x170 [ 8638.034245][ T73] do_syscall_64+0xc6/0x1e0 [ 8638.034245][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8638.034245][ T73] [ 8647.005634][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8647.006142][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8647.006142][ T1076] netdev_get_by_index+0x5e/0x80 [ 8647.006142][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8647.006142][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8647.006142][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8647.006142][ T1076] ipv6_add_addr+0x411/0x2000 [ 8647.006142][ T1076] inet6_addr_add+0x30e/0xa40 [ 8647.006142][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8647.006142][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.006142][ T1076] netlink_rcv_skb+0x130/0x360 [ 8647.006142][ T1076] netlink_unicast+0x449/0x710 [ 8647.006142][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8647.006142][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8647.006142][ T1076] ___sys_sendmsg+0xee/0x170 [ 8647.006142][ T1076] __sys_sendmsg+0xcd/0x170 [ 8647.006142][ T1076] do_syscall_64+0xc6/0x1e0 [ 8647.006142][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.006142][ T1076] [ 8647.008441][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8647.008441][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8647.008441][ T1076] ipv6_find_idev+0x102/0x170 [ 8647.008441][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8647.008441][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.008441][ T1076] netlink_rcv_skb+0x130/0x360 [ 8647.008441][ T1076] netlink_unicast+0x449/0x710 [ 8647.008441][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8647.008441][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8647.008441][ T1076] ___sys_sendmsg+0xee/0x170 [ 8647.008441][ T1076] __sys_sendmsg+0xcd/0x170 [ 8647.008441][ T1076] do_syscall_64+0xc6/0x1e0 [ 8647.008441][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.008441][ T1076] [ 8647.010195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8647.010195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8647.010195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8647.010195][ T1076] ipv6_find_idev+0x102/0x170 [ 8647.010195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8647.010195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8647.010195][ T1076] netlink_rcv_skb+0x130/0x360 [ 8647.010195][ T1076] netlink_unicast+0x449/0x710 [ 8647.010195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8647.010195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8647.010195][ T1076] ___sys_sendmsg+0xee/0x170 [ 8647.010195][ T1076] __sys_sendmsg+0xcd/0x170 [ 8647.010195][ T1076] do_syscall_64+0xc6/0x1e0 [ 8647.010195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8647.010195][ T1076] [ 8648.277672][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8648.278152][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8648.278152][ T73] dst_init+0x84/0x4a0 [ 8648.278152][ T73] dst_alloc+0x97/0x150 [ 8648.278152][ T73] ip6_dst_alloc+0x23/0x90 [ 8648.278152][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8648.278152][ T73] ip6_pol_route+0x56f/0x840 [ 8648.278152][ T73] fib6_rule_lookup+0x456/0x630 [ 8648.278152][ T73] ip6_route_input+0x59c/0xa50 [ 8648.278152][ T73] ipv6_rcv+0x397/0x810 [ 8648.278152][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8648.278152][ T73] process_backlog+0x101/0x620 [ 8648.278152][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8648.278152][ T73] net_rx_action+0x495/0xbe0 [ 8648.278152][ T73] __do_softirq+0x1b5/0x7f6 [ 8648.278152][ T73] [ 8648.280858][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8648.280858][ T73] netdev_get_by_index+0x5e/0x80 [ 8648.280858][ T73] fib6_nh_init+0x3d8/0x1580 [ 8648.280858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8648.280858][ T73] ip6_route_add+0x1c/0x140 [ 8648.280858][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8648.280858][ T73] inet6_addr_add+0x4f8/0xa40 [ 8648.280858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8648.280858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.280858][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.280858][ T73] netlink_unicast+0x449/0x710 [ 8648.280858][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.280858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.280858][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.280858][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.280858][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.280858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.280858][ T73] [ 8648.283674][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8648.283674][ T73] netdev_get_by_index+0x5e/0x80 [ 8648.283674][ T73] fib6_nh_init+0x3d8/0x1580 [ 8648.283674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8648.283674][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8648.283674][ T73] ipv6_add_addr+0x411/0x2000 [ 8648.283674][ T73] inet6_addr_add+0x30e/0xa40 [ 8648.283674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8648.283674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.283674][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.283674][ T73] netlink_unicast+0x449/0x710 [ 8648.283674][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.283674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.283674][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.283674][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.283674][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.283674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.283674][ T73] [ 8648.285785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8648.285785][ T73] netdev_get_by_index+0x5e/0x80 [ 8648.285785][ T73] fib6_nh_init+0x3d8/0x1580 [ 8648.285785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8648.285785][ T73] ip6_route_add+0x1c/0x140 [ 8648.285785][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8648.285785][ T73] addrconf_add_dev+0xe2/0x170 [ 8648.285785][ T73] inet6_addr_add+0x12f/0xa40 [ 8648.285785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8648.285785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.285785][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.285785][ T73] netlink_unicast+0x449/0x710 [ 8648.285785][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.285785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.285785][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.285785][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.285785][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.285785][ T73] [ 8648.287745][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8648.287745][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8648.287745][ T73] ipv6_find_idev+0x102/0x170 [ 8648.287745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8648.287745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.287745][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.287745][ T73] netlink_unicast+0x449/0x710 [ 8648.287745][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.287745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.287745][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.287745][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.287745][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.287745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.287745][ T73] [ 8648.289277][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8648.289277][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8648.289277][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8648.289277][ T73] ipv6_find_idev+0x102/0x170 [ 8648.289277][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8648.289277][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.289277][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.289277][ T73] netlink_unicast+0x449/0x710 [ 8648.289277][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.289277][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.289277][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.289277][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.289277][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.289277][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.289277][ T73] [ 8648.290957][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8648.291211][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8648.291211][ T73] dst_init+0x84/0x4a0 [ 8648.291211][ T73] dst_alloc+0x97/0x150 [ 8648.291211][ T73] ip6_dst_alloc+0x23/0x90 [ 8648.291211][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8648.291211][ T73] ip6_pol_route+0x56f/0x840 [ 8648.291211][ T73] fib6_rule_lookup+0x456/0x630 [ 8648.291211][ T73] ip6_route_input+0x59c/0xa50 [ 8648.291211][ T73] ipv6_rcv+0x397/0x810 [ 8648.291211][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8648.291211][ T73] process_backlog+0x101/0x620 [ 8648.291211][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8648.291211][ T73] net_rx_action+0x495/0xbe0 [ 8648.291211][ T73] __do_softirq+0x1b5/0x7f6 [ 8648.291211][ T73] [ 8648.292842][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8648.292842][ T73] netdev_get_by_index+0x5e/0x80 [ 8648.292842][ T73] fib6_nh_init+0x3d8/0x1580 [ 8648.292842][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8648.292842][ T73] ip6_route_add+0x1c/0x140 [ 8648.292842][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8648.292842][ T73] inet6_addr_add+0x4f8/0xa40 [ 8648.292842][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8648.292842][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.292842][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.292842][ T73] netlink_unicast+0x449/0x710 [ 8648.292842][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.292842][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.292842][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.292842][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.292842][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.292842][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.292842][ T73] [ 8648.294871][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8648.294871][ T73] netdev_get_by_index+0x5e/0x80 [ 8648.294871][ T73] fib6_nh_init+0x3d8/0x1580 [ 8648.294871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8648.294871][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8648.294871][ T73] ipv6_add_addr+0x411/0x2000 [ 8648.294871][ T73] inet6_addr_add+0x30e/0xa40 [ 8648.294871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8648.294871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.294871][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.294871][ T73] netlink_unicast+0x449/0x710 [ 8648.294871][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.294871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.294871][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.294871][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.294871][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.294871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.294871][ T73] [ 8648.296859][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8648.296859][ T73] netdev_get_by_index+0x5e/0x80 [ 8648.296859][ T73] fib6_nh_init+0x3d8/0x1580 [ 8648.296859][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8648.296859][ T73] ip6_route_add+0x1c/0x140 [ 8648.296859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8648.296859][ T73] addrconf_add_dev+0xe2/0x170 [ 8648.296859][ T73] inet6_addr_add+0x12f/0xa40 [ 8648.296859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8648.296859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.296859][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.296859][ T73] netlink_unicast+0x449/0x710 [ 8648.296859][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.296859][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.296859][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.296859][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.296859][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.296859][ T73] [ 8648.298810][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8648.298810][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8648.298810][ T73] ipv6_find_idev+0x102/0x170 [ 8648.298810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8648.298810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.298810][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.298810][ T73] netlink_unicast+0x449/0x710 [ 8648.298810][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.298810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.298810][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.298810][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.298810][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.298810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.298810][ T73] [ 8648.300339][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8648.300339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8648.300339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8648.300339][ T73] ipv6_find_idev+0x102/0x170 [ 8648.300339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8648.300339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8648.300339][ T73] netlink_rcv_skb+0x130/0x360 [ 8648.300339][ T73] netlink_unicast+0x449/0x710 [ 8648.300339][ T73] netlink_sendmsg+0x723/0xbe0 [ 8648.300339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8648.300339][ T73] ___sys_sendmsg+0xee/0x170 [ 8648.300339][ T73] __sys_sendmsg+0xcd/0x170 [ 8648.300339][ T73] do_syscall_64+0xc6/0x1e0 [ 8648.300339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8648.300339][ T73] [ 8657.021627][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8657.022081][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8657.022081][ T1076] netdev_get_by_index+0x5e/0x80 [ 8657.022081][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8657.022081][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8657.022081][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8657.022081][ T1076] ipv6_add_addr+0x411/0x2000 [ 8657.022081][ T1076] inet6_addr_add+0x30e/0xa40 [ 8657.022081][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8657.022081][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.022081][ T1076] netlink_rcv_skb+0x130/0x360 [ 8657.022081][ T1076] netlink_unicast+0x449/0x710 [ 8657.022081][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8657.022081][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8657.022081][ T1076] ___sys_sendmsg+0xee/0x170 [ 8657.022081][ T1076] __sys_sendmsg+0xcd/0x170 [ 8657.022081][ T1076] do_syscall_64+0xc6/0x1e0 [ 8657.022081][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.022081][ T1076] [ 8657.024435][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8657.024435][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8657.024435][ T1076] ipv6_find_idev+0x102/0x170 [ 8657.024435][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8657.024435][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.024435][ T1076] netlink_rcv_skb+0x130/0x360 [ 8657.024435][ T1076] netlink_unicast+0x449/0x710 [ 8657.024435][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8657.024435][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8657.024435][ T1076] ___sys_sendmsg+0xee/0x170 [ 8657.024435][ T1076] __sys_sendmsg+0xcd/0x170 [ 8657.024435][ T1076] do_syscall_64+0xc6/0x1e0 [ 8657.024435][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.024435][ T1076] [ 8657.026199][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8657.026199][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8657.026199][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8657.026199][ T1076] ipv6_find_idev+0x102/0x170 [ 8657.026199][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8657.026199][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8657.026199][ T1076] netlink_rcv_skb+0x130/0x360 [ 8657.026199][ T1076] netlink_unicast+0x449/0x710 [ 8657.026199][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8657.026199][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8657.026199][ T1076] ___sys_sendmsg+0xee/0x170 [ 8657.026199][ T1076] __sys_sendmsg+0xcd/0x170 [ 8657.026199][ T1076] do_syscall_64+0xc6/0x1e0 [ 8657.026199][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8657.026199][ T1076] [ 8658.541717][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8658.542132][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8658.542132][ T73] dst_init+0x84/0x4a0 [ 8658.542132][ T73] dst_alloc+0x97/0x150 [ 8658.542132][ T73] ip6_dst_alloc+0x23/0x90 [ 8658.542132][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8658.542132][ T73] ip6_pol_route+0x56f/0x840 [ 8658.542132][ T73] fib6_rule_lookup+0x456/0x630 [ 8658.542132][ T73] ip6_route_input+0x59c/0xa50 [ 8658.542132][ T73] ipv6_rcv+0x397/0x810 [ 8658.542132][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8658.542132][ T73] process_backlog+0x101/0x620 [ 8658.542132][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8658.542132][ T73] net_rx_action+0x495/0xbe0 [ 8658.542132][ T73] __do_softirq+0x1b5/0x7f6 [ 8658.542132][ T73] [ 8658.544259][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8658.544259][ T73] netdev_get_by_index+0x5e/0x80 [ 8658.544259][ T73] fib6_nh_init+0x3d8/0x1580 [ 8658.544259][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8658.544259][ T73] ip6_route_add+0x1c/0x140 [ 8658.544259][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8658.544259][ T73] inet6_addr_add+0x4f8/0xa40 [ 8658.544259][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8658.544259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.544259][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.544259][ T73] netlink_unicast+0x449/0x710 [ 8658.544259][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.544259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.544259][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.544259][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.544259][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.544259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.544259][ T73] [ 8658.547268][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8658.547268][ T73] netdev_get_by_index+0x5e/0x80 [ 8658.547268][ T73] fib6_nh_init+0x3d8/0x1580 [ 8658.547268][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8658.547268][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8658.547268][ T73] ipv6_add_addr+0x411/0x2000 [ 8658.547268][ T73] inet6_addr_add+0x30e/0xa40 [ 8658.547268][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8658.547268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.547268][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.547268][ T73] netlink_unicast+0x449/0x710 [ 8658.547268][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.547268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.547268][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.547268][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.547268][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.547268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.547268][ T73] [ 8658.549983][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8658.549983][ T73] netdev_get_by_index+0x5e/0x80 [ 8658.549983][ T73] fib6_nh_init+0x3d8/0x1580 [ 8658.549983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8658.549983][ T73] ip6_route_add+0x1c/0x140 [ 8658.549983][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8658.549983][ T73] addrconf_add_dev+0xe2/0x170 [ 8658.549983][ T73] inet6_addr_add+0x12f/0xa40 [ 8658.549983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8658.549983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.549983][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.549983][ T73] netlink_unicast+0x449/0x710 [ 8658.549983][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.549983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.549983][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.549983][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.549983][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.549983][ T73] [ 8658.551947][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8658.551947][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8658.551947][ T73] ipv6_find_idev+0x102/0x170 [ 8658.551947][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8658.551947][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.551947][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.551947][ T73] netlink_unicast+0x449/0x710 [ 8658.551947][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.551947][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.551947][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.551947][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.551947][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.551947][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.551947][ T73] [ 8658.553491][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8658.553491][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8658.553491][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8658.553491][ T73] ipv6_find_idev+0x102/0x170 [ 8658.553491][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8658.553491][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.553491][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.553491][ T73] netlink_unicast+0x449/0x710 [ 8658.553491][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.553491][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.553491][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.553491][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.553491][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.553491][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.553491][ T73] [ 8658.555176][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8658.555411][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8658.555411][ T73] dst_init+0x84/0x4a0 [ 8658.555411][ T73] dst_alloc+0x97/0x150 [ 8658.555411][ T73] ip6_dst_alloc+0x23/0x90 [ 8658.555411][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8658.555411][ T73] ip6_pol_route+0x56f/0x840 [ 8658.555411][ T73] fib6_rule_lookup+0x456/0x630 [ 8658.555411][ T73] ip6_route_input+0x59c/0xa50 [ 8658.555411][ T73] ipv6_rcv+0x397/0x810 [ 8658.555411][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8658.555411][ T73] process_backlog+0x101/0x620 [ 8658.555411][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8658.555411][ T73] net_rx_action+0x495/0xbe0 [ 8658.555411][ T73] __do_softirq+0x1b5/0x7f6 [ 8658.555411][ T73] [ 8658.557037][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8658.557037][ T73] netdev_get_by_index+0x5e/0x80 [ 8658.557037][ T73] fib6_nh_init+0x3d8/0x1580 [ 8658.557037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8658.557037][ T73] ip6_route_add+0x1c/0x140 [ 8658.557037][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8658.557037][ T73] inet6_addr_add+0x4f8/0xa40 [ 8658.557037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8658.557037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.557037][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.557037][ T73] netlink_unicast+0x449/0x710 [ 8658.557037][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.557037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.557037][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.557037][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.557037][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.557037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.557037][ T73] [ 8658.559030][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8658.559030][ T73] netdev_get_by_index+0x5e/0x80 [ 8658.559030][ T73] fib6_nh_init+0x3d8/0x1580 [ 8658.559030][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8658.559030][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8658.559030][ T73] ipv6_add_addr+0x411/0x2000 [ 8658.559030][ T73] inet6_addr_add+0x30e/0xa40 [ 8658.559030][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8658.559030][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.559030][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.559030][ T73] netlink_unicast+0x449/0x710 [ 8658.559030][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.559030][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.559030][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.559030][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.559030][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.559030][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.559030][ T73] [ 8658.561364][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8658.561364][ T73] netdev_get_by_index+0x5e/0x80 [ 8658.561364][ T73] fib6_nh_init+0x3d8/0x1580 [ 8658.561364][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8658.561364][ T73] ip6_route_add+0x1c/0x140 [ 8658.561364][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8658.561364][ T73] addrconf_add_dev+0xe2/0x170 [ 8658.561364][ T73] inet6_addr_add+0x12f/0xa40 [ 8658.561364][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8658.561364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.561364][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.561364][ T73] netlink_unicast+0x449/0x710 [ 8658.561364][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.561364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.561364][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.561364][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.561364][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.561364][ T73] [ 8658.564312][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8658.564312][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8658.564312][ T73] ipv6_find_idev+0x102/0x170 [ 8658.564312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8658.564312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.564312][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.564312][ T73] netlink_unicast+0x449/0x710 [ 8658.564312][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.564312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.564312][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.564312][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.564312][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.564312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.564312][ T73] [ 8658.566631][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8658.566631][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8658.566631][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8658.566631][ T73] ipv6_find_idev+0x102/0x170 [ 8658.566631][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8658.566631][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8658.566631][ T73] netlink_rcv_skb+0x130/0x360 [ 8658.566631][ T73] netlink_unicast+0x449/0x710 [ 8658.566631][ T73] netlink_sendmsg+0x723/0xbe0 [ 8658.566631][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8658.566631][ T73] ___sys_sendmsg+0xee/0x170 [ 8658.566631][ T73] __sys_sendmsg+0xcd/0x170 [ 8658.566631][ T73] do_syscall_64+0xc6/0x1e0 [ 8658.566631][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8658.566631][ T73] [ 8667.029704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8667.030187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8667.030187][ T1076] netdev_get_by_index+0x5e/0x80 [ 8667.030187][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8667.030187][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8667.030187][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8667.030187][ T1076] ipv6_add_addr+0x411/0x2000 [ 8667.030187][ T1076] inet6_addr_add+0x30e/0xa40 [ 8667.030187][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8667.030187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.030187][ T1076] netlink_rcv_skb+0x130/0x360 [ 8667.030187][ T1076] netlink_unicast+0x449/0x710 [ 8667.030187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8667.030187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8667.030187][ T1076] ___sys_sendmsg+0xee/0x170 [ 8667.030187][ T1076] __sys_sendmsg+0xcd/0x170 [ 8667.030187][ T1076] do_syscall_64+0xc6/0x1e0 [ 8667.030187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.030187][ T1076] [ 8667.032472][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8667.032472][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8667.032472][ T1076] ipv6_find_idev+0x102/0x170 [ 8667.032472][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8667.032472][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.032472][ T1076] netlink_rcv_skb+0x130/0x360 [ 8667.032472][ T1076] netlink_unicast+0x449/0x710 [ 8667.032472][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8667.032472][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8667.032472][ T1076] ___sys_sendmsg+0xee/0x170 [ 8667.032472][ T1076] __sys_sendmsg+0xcd/0x170 [ 8667.032472][ T1076] do_syscall_64+0xc6/0x1e0 [ 8667.032472][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.032472][ T1076] [ 8667.034253][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8667.034253][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8667.034253][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8667.034253][ T1076] ipv6_find_idev+0x102/0x170 [ 8667.034253][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8667.034253][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8667.034253][ T1076] netlink_rcv_skb+0x130/0x360 [ 8667.034253][ T1076] netlink_unicast+0x449/0x710 [ 8667.034253][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8667.034253][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8667.034253][ T1076] ___sys_sendmsg+0xee/0x170 [ 8667.034253][ T1076] __sys_sendmsg+0xcd/0x170 [ 8667.034253][ T1076] do_syscall_64+0xc6/0x1e0 [ 8667.034253][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8667.034253][ T1076] [ 8668.805657][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8668.806015][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8668.806015][ T73] dst_init+0x84/0x4a0 [ 8668.806015][ T73] dst_alloc+0x97/0x150 [ 8668.806015][ T73] ip6_dst_alloc+0x23/0x90 [ 8668.806015][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8668.806015][ T73] ip6_pol_route+0x56f/0x840 [ 8668.806015][ T73] fib6_rule_lookup+0x456/0x630 [ 8668.806015][ T73] ip6_route_input+0x59c/0xa50 [ 8668.806015][ T73] ipv6_rcv+0x397/0x810 [ 8668.806015][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8668.806015][ T73] process_backlog+0x101/0x620 [ 8668.806015][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8668.806015][ T73] net_rx_action+0x495/0xbe0 [ 8668.806015][ T73] __do_softirq+0x1b5/0x7f6 [ 8668.806015][ T73] [ 8668.807688][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8668.807688][ T73] netdev_get_by_index+0x5e/0x80 [ 8668.807688][ T73] fib6_nh_init+0x3d8/0x1580 [ 8668.807688][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8668.807688][ T73] ip6_route_add+0x1c/0x140 [ 8668.807688][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8668.807688][ T73] inet6_addr_add+0x4f8/0xa40 [ 8668.807688][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.807688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.807688][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.807688][ T73] netlink_unicast+0x449/0x710 [ 8668.807688][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.807688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.807688][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.807688][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.807688][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.807688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.807688][ T73] [ 8668.809741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8668.809741][ T73] netdev_get_by_index+0x5e/0x80 [ 8668.809741][ T73] fib6_nh_init+0x3d8/0x1580 [ 8668.809741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8668.809741][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8668.809741][ T73] ipv6_add_addr+0x411/0x2000 [ 8668.809741][ T73] inet6_addr_add+0x30e/0xa40 [ 8668.809741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.809741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.809741][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.809741][ T73] netlink_unicast+0x449/0x710 [ 8668.809741][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.809741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.809741][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.809741][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.809741][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.809741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.809741][ T73] [ 8668.811756][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8668.811756][ T73] netdev_get_by_index+0x5e/0x80 [ 8668.811756][ T73] fib6_nh_init+0x3d8/0x1580 [ 8668.811756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8668.811756][ T73] ip6_route_add+0x1c/0x140 [ 8668.811756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8668.811756][ T73] addrconf_add_dev+0xe2/0x170 [ 8668.811756][ T73] inet6_addr_add+0x12f/0xa40 [ 8668.811756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.811756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.811756][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.811756][ T73] netlink_unicast+0x449/0x710 [ 8668.811756][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.811756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.811756][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.811756][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.811756][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.811756][ T73] [ 8668.813766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8668.813766][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8668.813766][ T73] ipv6_find_idev+0x102/0x170 [ 8668.813766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8668.813766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.813766][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.813766][ T73] netlink_unicast+0x449/0x710 [ 8668.813766][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.813766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.813766][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.813766][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.813766][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.813766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.813766][ T73] [ 8668.815326][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8668.815326][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8668.815326][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8668.815326][ T73] ipv6_find_idev+0x102/0x170 [ 8668.815326][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8668.815326][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.815326][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.815326][ T73] netlink_unicast+0x449/0x710 [ 8668.815326][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.815326][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.815326][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.815326][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.815326][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.815326][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.815326][ T73] [ 8668.817033][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8668.817283][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8668.817283][ T73] dst_init+0x84/0x4a0 [ 8668.817283][ T73] dst_alloc+0x97/0x150 [ 8668.817283][ T73] ip6_dst_alloc+0x23/0x90 [ 8668.817283][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8668.817283][ T73] ip6_pol_route+0x56f/0x840 [ 8668.817283][ T73] fib6_rule_lookup+0x456/0x630 [ 8668.817283][ T73] ip6_route_input+0x59c/0xa50 [ 8668.817283][ T73] ipv6_rcv+0x397/0x810 [ 8668.817283][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8668.817283][ T73] process_backlog+0x101/0x620 [ 8668.817283][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8668.817283][ T73] net_rx_action+0x495/0xbe0 [ 8668.817283][ T73] __do_softirq+0x1b5/0x7f6 [ 8668.817283][ T73] [ 8668.818934][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8668.818934][ T73] netdev_get_by_index+0x5e/0x80 [ 8668.818934][ T73] fib6_nh_init+0x3d8/0x1580 [ 8668.818934][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8668.818934][ T73] ip6_route_add+0x1c/0x140 [ 8668.818934][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8668.818934][ T73] inet6_addr_add+0x4f8/0xa40 [ 8668.818934][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.818934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.818934][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.818934][ T73] netlink_unicast+0x449/0x710 [ 8668.818934][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.818934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.818934][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.818934][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.818934][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.818934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.818934][ T73] [ 8668.820959][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8668.820959][ T73] netdev_get_by_index+0x5e/0x80 [ 8668.820959][ T73] fib6_nh_init+0x3d8/0x1580 [ 8668.820959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8668.820959][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8668.820959][ T73] ipv6_add_addr+0x411/0x2000 [ 8668.820959][ T73] inet6_addr_add+0x30e/0xa40 [ 8668.820959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.820959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.820959][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.820959][ T73] netlink_unicast+0x449/0x710 [ 8668.820959][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.820959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.820959][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.820959][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.820959][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.820959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.820959][ T73] [ 8668.822979][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8668.822979][ T73] netdev_get_by_index+0x5e/0x80 [ 8668.822979][ T73] fib6_nh_init+0x3d8/0x1580 [ 8668.822979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8668.822979][ T73] ip6_route_add+0x1c/0x140 [ 8668.822979][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8668.822979][ T73] addrconf_add_dev+0xe2/0x170 [ 8668.822979][ T73] inet6_addr_add+0x12f/0xa40 [ 8668.822979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8668.822979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.822979][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.822979][ T73] netlink_unicast+0x449/0x710 [ 8668.822979][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.822979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.822979][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.822979][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.822979][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.822979][ T73] [ 8668.824982][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8668.824982][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8668.824982][ T73] ipv6_find_idev+0x102/0x170 [ 8668.824982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8668.824982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.824982][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.824982][ T73] netlink_unicast+0x449/0x710 [ 8668.824982][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.824982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.824982][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.824982][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.824982][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.824982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.824982][ T73] [ 8668.826545][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8668.826545][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8668.826545][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8668.826545][ T73] ipv6_find_idev+0x102/0x170 [ 8668.826545][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8668.826545][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8668.826545][ T73] netlink_rcv_skb+0x130/0x360 [ 8668.826545][ T73] netlink_unicast+0x449/0x710 [ 8668.826545][ T73] netlink_sendmsg+0x723/0xbe0 [ 8668.826545][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8668.826545][ T73] ___sys_sendmsg+0xee/0x170 [ 8668.826545][ T73] __sys_sendmsg+0xcd/0x170 [ 8668.826545][ T73] do_syscall_64+0xc6/0x1e0 [ 8668.826545][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8668.826545][ T73] [ 8677.285695][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8677.286143][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8677.286143][ T1076] netdev_get_by_index+0x5e/0x80 [ 8677.286143][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8677.286143][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8677.286143][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8677.286143][ T1076] ipv6_add_addr+0x411/0x2000 [ 8677.286143][ T1076] inet6_addr_add+0x30e/0xa40 [ 8677.286143][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8677.286143][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.286143][ T1076] netlink_rcv_skb+0x130/0x360 [ 8677.286143][ T1076] netlink_unicast+0x449/0x710 [ 8677.286143][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8677.286143][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8677.286143][ T1076] ___sys_sendmsg+0xee/0x170 [ 8677.286143][ T1076] __sys_sendmsg+0xcd/0x170 [ 8677.286143][ T1076] do_syscall_64+0xc6/0x1e0 [ 8677.286143][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.286143][ T1076] [ 8677.288429][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8677.288429][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8677.288429][ T1076] ipv6_find_idev+0x102/0x170 [ 8677.288429][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8677.288429][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.288429][ T1076] netlink_rcv_skb+0x130/0x360 [ 8677.288429][ T1076] netlink_unicast+0x449/0x710 [ 8677.288429][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8677.288429][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8677.288429][ T1076] ___sys_sendmsg+0xee/0x170 [ 8677.288429][ T1076] __sys_sendmsg+0xcd/0x170 [ 8677.288429][ T1076] do_syscall_64+0xc6/0x1e0 [ 8677.288429][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.288429][ T1076] [ 8677.290177][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8677.290177][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8677.290177][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8677.290177][ T1076] ipv6_find_idev+0x102/0x170 [ 8677.290177][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8677.290177][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8677.290177][ T1076] netlink_rcv_skb+0x130/0x360 [ 8677.290177][ T1076] netlink_unicast+0x449/0x710 [ 8677.290177][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8677.290177][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8677.290177][ T1076] ___sys_sendmsg+0xee/0x170 [ 8677.290177][ T1076] __sys_sendmsg+0xcd/0x170 [ 8677.290177][ T1076] do_syscall_64+0xc6/0x1e0 [ 8677.290177][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8677.290177][ T1076] [ 8679.069710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8679.070069][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8679.070069][ T73] dst_init+0x84/0x4a0 [ 8679.070069][ T73] dst_alloc+0x97/0x150 [ 8679.070069][ T73] ip6_dst_alloc+0x23/0x90 [ 8679.070069][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8679.070069][ T73] ip6_pol_route+0x56f/0x840 [ 8679.070069][ T73] fib6_rule_lookup+0x456/0x630 [ 8679.070069][ T73] ip6_route_input+0x59c/0xa50 [ 8679.070069][ T73] ipv6_rcv+0x397/0x810 [ 8679.070069][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8679.070069][ T73] process_backlog+0x101/0x620 [ 8679.070069][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8679.070069][ T73] net_rx_action+0x495/0xbe0 [ 8679.070069][ T73] __do_softirq+0x1b5/0x7f6 [ 8679.070069][ T73] [ 8679.071719][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8679.071719][ T73] netdev_get_by_index+0x5e/0x80 [ 8679.071719][ T73] fib6_nh_init+0x3d8/0x1580 [ 8679.071719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8679.071719][ T73] ip6_route_add+0x1c/0x140 [ 8679.071719][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8679.071719][ T73] inet6_addr_add+0x4f8/0xa40 [ 8679.071719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8679.071719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.071719][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.071719][ T73] netlink_unicast+0x449/0x710 [ 8679.071719][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.071719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.071719][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.071719][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.071719][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.071719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.071719][ T73] [ 8679.073718][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8679.073718][ T73] netdev_get_by_index+0x5e/0x80 [ 8679.073718][ T73] fib6_nh_init+0x3d8/0x1580 [ 8679.073718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8679.073718][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8679.073718][ T73] ipv6_add_addr+0x411/0x2000 [ 8679.073718][ T73] inet6_addr_add+0x30e/0xa40 [ 8679.073718][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8679.073718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.073718][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.073718][ T73] netlink_unicast+0x449/0x710 [ 8679.073718][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.073718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.073718][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.073718][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.073718][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.073718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.073718][ T73] [ 8679.075706][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8679.075706][ T73] netdev_get_by_index+0x5e/0x80 [ 8679.075706][ T73] fib6_nh_init+0x3d8/0x1580 [ 8679.075706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8679.075706][ T73] ip6_route_add+0x1c/0x140 [ 8679.075706][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8679.075706][ T73] addrconf_add_dev+0xe2/0x170 [ 8679.075706][ T73] inet6_addr_add+0x12f/0xa40 [ 8679.075706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8679.075706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.075706][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.075706][ T73] netlink_unicast+0x449/0x710 [ 8679.075706][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.075706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.075706][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.075706][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.075706][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.075706][ T73] [ 8679.077669][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8679.077669][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8679.077669][ T73] ipv6_find_idev+0x102/0x170 [ 8679.077669][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8679.077669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.077669][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.077669][ T73] netlink_unicast+0x449/0x710 [ 8679.077669][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.077669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.077669][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.077669][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.077669][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.077669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.077669][ T73] [ 8679.079211][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8679.079211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8679.079211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8679.079211][ T73] ipv6_find_idev+0x102/0x170 [ 8679.079211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8679.079211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.079211][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.079211][ T73] netlink_unicast+0x449/0x710 [ 8679.079211][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.079211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.079211][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.079211][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.079211][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.079211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.079211][ T73] [ 8679.080926][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8679.081167][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8679.081167][ T73] dst_init+0x84/0x4a0 [ 8679.081167][ T73] dst_alloc+0x97/0x150 [ 8679.081167][ T73] ip6_dst_alloc+0x23/0x90 [ 8679.081167][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8679.081167][ T73] ip6_pol_route+0x56f/0x840 [ 8679.081167][ T73] fib6_rule_lookup+0x456/0x630 [ 8679.081167][ T73] ip6_route_input+0x59c/0xa50 [ 8679.081167][ T73] ipv6_rcv+0x397/0x810 [ 8679.081167][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8679.081167][ T73] process_backlog+0x101/0x620 [ 8679.081167][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8679.081167][ T73] net_rx_action+0x495/0xbe0 [ 8679.081167][ T73] __do_softirq+0x1b5/0x7f6 [ 8679.081167][ T73] [ 8679.082826][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8679.082826][ T73] netdev_get_by_index+0x5e/0x80 [ 8679.082826][ T73] fib6_nh_init+0x3d8/0x1580 [ 8679.082826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8679.082826][ T73] ip6_route_add+0x1c/0x140 [ 8679.082826][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8679.082826][ T73] inet6_addr_add+0x4f8/0xa40 [ 8679.082826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8679.082826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.082826][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.082826][ T73] netlink_unicast+0x449/0x710 [ 8679.082826][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.082826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.082826][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.082826][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.082826][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.082826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.082826][ T73] [ 8679.084816][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8679.084816][ T73] netdev_get_by_index+0x5e/0x80 [ 8679.084816][ T73] fib6_nh_init+0x3d8/0x1580 [ 8679.084816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8679.084816][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8679.084816][ T73] ipv6_add_addr+0x411/0x2000 [ 8679.084816][ T73] inet6_addr_add+0x30e/0xa40 [ 8679.084816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8679.084816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.084816][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.084816][ T73] netlink_unicast+0x449/0x710 [ 8679.084816][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.084816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.084816][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.084816][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.084816][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.084816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.084816][ T73] [ 8679.086797][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8679.086797][ T73] netdev_get_by_index+0x5e/0x80 [ 8679.086797][ T73] fib6_nh_init+0x3d8/0x1580 [ 8679.086797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8679.086797][ T73] ip6_route_add+0x1c/0x140 [ 8679.086797][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8679.086797][ T73] addrconf_add_dev+0xe2/0x170 [ 8679.086797][ T73] inet6_addr_add+0x12f/0xa40 [ 8679.086797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8679.086797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.086797][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.086797][ T73] netlink_unicast+0x449/0x710 [ 8679.086797][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.086797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.086797][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.086797][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.086797][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.086797][ T73] [ 8679.088741][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8679.088741][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8679.088741][ T73] ipv6_find_idev+0x102/0x170 [ 8679.088741][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8679.088741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.088741][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.088741][ T73] netlink_unicast+0x449/0x710 [ 8679.088741][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.088741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.088741][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.088741][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.088741][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.088741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.088741][ T73] [ 8679.090268][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8679.090268][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8679.090268][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8679.090268][ T73] ipv6_find_idev+0x102/0x170 [ 8679.090268][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8679.090268][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8679.090268][ T73] netlink_rcv_skb+0x130/0x360 [ 8679.090268][ T73] netlink_unicast+0x449/0x710 [ 8679.090268][ T73] netlink_sendmsg+0x723/0xbe0 [ 8679.090268][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8679.090268][ T73] ___sys_sendmsg+0xee/0x170 [ 8679.090268][ T73] __sys_sendmsg+0xcd/0x170 [ 8679.090268][ T73] do_syscall_64+0xc6/0x1e0 [ 8679.090268][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8679.090268][ T73] [ 8687.293637][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8687.294242][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8687.294242][ T1076] netdev_get_by_index+0x5e/0x80 [ 8687.294242][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8687.294242][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8687.294242][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8687.294242][ T1076] ipv6_add_addr+0x411/0x2000 [ 8687.294242][ T1076] inet6_addr_add+0x30e/0xa40 [ 8687.294242][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8687.294242][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8687.294242][ T1076] netlink_rcv_skb+0x130/0x360 [ 8687.294242][ T1076] netlink_unicast+0x449/0x710 [ 8687.294242][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8687.294242][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8687.294242][ T1076] ___sys_sendmsg+0xee/0x170 [ 8687.294242][ T1076] __sys_sendmsg+0xcd/0x170 [ 8687.294242][ T1076] do_syscall_64+0xc6/0x1e0 [ 8687.294242][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8687.294242][ T1076] [ 8687.297716][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8687.297716][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8687.297716][ T1076] ipv6_find_idev+0x102/0x170 [ 8687.297716][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8687.297716][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8687.297716][ T1076] netlink_rcv_skb+0x130/0x360 [ 8687.297716][ T1076] netlink_unicast+0x449/0x710 [ 8687.297716][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8687.297716][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8687.297716][ T1076] ___sys_sendmsg+0xee/0x170 [ 8687.297716][ T1076] __sys_sendmsg+0xcd/0x170 [ 8687.297716][ T1076] do_syscall_64+0xc6/0x1e0 [ 8687.297716][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8687.297716][ T1076] [ 8687.300394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8687.300394][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8687.300394][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8687.300394][ T1076] ipv6_find_idev+0x102/0x170 [ 8687.300394][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8687.300394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8687.300394][ T1076] netlink_rcv_skb+0x130/0x360 [ 8687.300394][ T1076] netlink_unicast+0x449/0x710 [ 8687.300394][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8687.300394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8687.300394][ T1076] ___sys_sendmsg+0xee/0x170 [ 8687.300394][ T1076] __sys_sendmsg+0xcd/0x170 [ 8687.300394][ T1076] do_syscall_64+0xc6/0x1e0 [ 8687.300394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8687.300394][ T1076] [ 8689.333732][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8689.334089][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8689.334089][ T73] dst_init+0x84/0x4a0 [ 8689.334089][ T73] dst_alloc+0x97/0x150 [ 8689.334089][ T73] ip6_dst_alloc+0x23/0x90 [ 8689.334089][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8689.334089][ T73] ip6_pol_route+0x56f/0x840 [ 8689.334089][ T73] fib6_rule_lookup+0x456/0x630 [ 8689.334089][ T73] ip6_route_input+0x59c/0xa50 [ 8689.334089][ T73] ipv6_rcv+0x397/0x810 [ 8689.334089][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8689.334089][ T73] process_backlog+0x101/0x620 [ 8689.334089][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8689.334089][ T73] net_rx_action+0x495/0xbe0 [ 8689.334089][ T73] __do_softirq+0x1b5/0x7f6 [ 8689.334089][ T73] [ 8689.335741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8689.335741][ T73] netdev_get_by_index+0x5e/0x80 [ 8689.335741][ T73] fib6_nh_init+0x3d8/0x1580 [ 8689.335741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8689.335741][ T73] ip6_route_add+0x1c/0x140 [ 8689.335741][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8689.335741][ T73] inet6_addr_add+0x4f8/0xa40 [ 8689.335741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8689.335741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.335741][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.335741][ T73] netlink_unicast+0x449/0x710 [ 8689.335741][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.335741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.335741][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.335741][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.335741][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.335741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.335741][ T73] [ 8689.337720][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8689.337720][ T73] netdev_get_by_index+0x5e/0x80 [ 8689.337720][ T73] fib6_nh_init+0x3d8/0x1580 [ 8689.337720][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8689.337720][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8689.337720][ T73] ipv6_add_addr+0x411/0x2000 [ 8689.337720][ T73] inet6_addr_add+0x30e/0xa40 [ 8689.337720][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8689.337720][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.337720][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.337720][ T73] netlink_unicast+0x449/0x710 [ 8689.337720][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.337720][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.337720][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.337720][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.337720][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.337720][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.337720][ T73] [ 8689.339713][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8689.339713][ T73] netdev_get_by_index+0x5e/0x80 [ 8689.339713][ T73] fib6_nh_init+0x3d8/0x1580 [ 8689.339713][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8689.339713][ T73] ip6_route_add+0x1c/0x140 [ 8689.339713][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8689.339713][ T73] addrconf_add_dev+0xe2/0x170 [ 8689.339713][ T73] inet6_addr_add+0x12f/0xa40 [ 8689.339713][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8689.339713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.339713][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.339713][ T73] netlink_unicast+0x449/0x710 [ 8689.339713][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.339713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.339713][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.339713][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.339713][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.339713][ T73] [ 8689.341677][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8689.341677][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8689.341677][ T73] ipv6_find_idev+0x102/0x170 [ 8689.341677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8689.341677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.341677][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.341677][ T73] netlink_unicast+0x449/0x710 [ 8689.341677][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.341677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.341677][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.341677][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.341677][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.341677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.341677][ T73] [ 8689.343226][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8689.343226][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8689.343226][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8689.343226][ T73] ipv6_find_idev+0x102/0x170 [ 8689.343226][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8689.343226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.343226][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.343226][ T73] netlink_unicast+0x449/0x710 [ 8689.343226][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.343226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.343226][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.343226][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.343226][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.343226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.343226][ T73] [ 8689.344921][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8689.345156][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8689.345156][ T73] dst_init+0x84/0x4a0 [ 8689.345156][ T73] dst_alloc+0x97/0x150 [ 8689.345156][ T73] ip6_dst_alloc+0x23/0x90 [ 8689.345156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8689.345156][ T73] ip6_pol_route+0x56f/0x840 [ 8689.345156][ T73] fib6_rule_lookup+0x456/0x630 [ 8689.345156][ T73] ip6_route_input+0x59c/0xa50 [ 8689.345156][ T73] ipv6_rcv+0x397/0x810 [ 8689.345156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8689.345156][ T73] process_backlog+0x101/0x620 [ 8689.345156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8689.345156][ T73] net_rx_action+0x495/0xbe0 [ 8689.345156][ T73] __do_softirq+0x1b5/0x7f6 [ 8689.345156][ T73] [ 8689.346793][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8689.346793][ T73] netdev_get_by_index+0x5e/0x80 [ 8689.346793][ T73] fib6_nh_init+0x3d8/0x1580 [ 8689.346793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8689.346793][ T73] ip6_route_add+0x1c/0x140 [ 8689.346793][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8689.346793][ T73] inet6_addr_add+0x4f8/0xa40 [ 8689.346793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8689.346793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.346793][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.346793][ T73] netlink_unicast+0x449/0x710 [ 8689.346793][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.346793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.346793][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.346793][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.346793][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.346793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.346793][ T73] [ 8689.348784][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8689.348784][ T73] netdev_get_by_index+0x5e/0x80 [ 8689.348784][ T73] fib6_nh_init+0x3d8/0x1580 [ 8689.348784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8689.348784][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8689.348784][ T73] ipv6_add_addr+0x411/0x2000 [ 8689.348784][ T73] inet6_addr_add+0x30e/0xa40 [ 8689.348784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8689.348784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.348784][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.348784][ T73] netlink_unicast+0x449/0x710 [ 8689.348784][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.348784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.348784][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.348784][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.348784][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.348784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.348784][ T73] [ 8689.350763][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8689.350763][ T73] netdev_get_by_index+0x5e/0x80 [ 8689.350763][ T73] fib6_nh_init+0x3d8/0x1580 [ 8689.350763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8689.350763][ T73] ip6_route_add+0x1c/0x140 [ 8689.350763][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8689.350763][ T73] addrconf_add_dev+0xe2/0x170 [ 8689.350763][ T73] inet6_addr_add+0x12f/0xa40 [ 8689.350763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8689.350763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.350763][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.350763][ T73] netlink_unicast+0x449/0x710 [ 8689.350763][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.350763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.350763][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.350763][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.350763][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.350763][ T73] [ 8689.352743][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8689.352743][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8689.352743][ T73] ipv6_find_idev+0x102/0x170 [ 8689.352743][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8689.352743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.352743][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.352743][ T73] netlink_unicast+0x449/0x710 [ 8689.352743][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.352743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.352743][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.352743][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.352743][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.352743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.352743][ T73] [ 8689.354296][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8689.354296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8689.354296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8689.354296][ T73] ipv6_find_idev+0x102/0x170 [ 8689.354296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8689.354296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8689.354296][ T73] netlink_rcv_skb+0x130/0x360 [ 8689.354296][ T73] netlink_unicast+0x449/0x710 [ 8689.354296][ T73] netlink_sendmsg+0x723/0xbe0 [ 8689.354296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8689.354296][ T73] ___sys_sendmsg+0xee/0x170 [ 8689.354296][ T73] __sys_sendmsg+0xcd/0x170 [ 8689.354296][ T73] do_syscall_64+0xc6/0x1e0 [ 8689.354296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8689.354296][ T73] [ 8697.557708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8697.558149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8697.558149][ T1076] netdev_get_by_index+0x5e/0x80 [ 8697.558149][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8697.558149][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8697.558149][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8697.558149][ T1076] ipv6_add_addr+0x411/0x2000 [ 8697.558149][ T1076] inet6_addr_add+0x30e/0xa40 [ 8697.558149][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8697.558149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8697.558149][ T1076] netlink_rcv_skb+0x130/0x360 [ 8697.558149][ T1076] netlink_unicast+0x449/0x710 [ 8697.558149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8697.558149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8697.558149][ T1076] ___sys_sendmsg+0xee/0x170 [ 8697.558149][ T1076] __sys_sendmsg+0xcd/0x170 [ 8697.558149][ T1076] do_syscall_64+0xc6/0x1e0 [ 8697.558149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8697.558149][ T1076] [ 8697.560435][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8697.560435][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8697.560435][ T1076] ipv6_find_idev+0x102/0x170 [ 8697.560435][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8697.560435][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8697.560435][ T1076] netlink_rcv_skb+0x130/0x360 [ 8697.560435][ T1076] netlink_unicast+0x449/0x710 [ 8697.560435][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8697.560435][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8697.560435][ T1076] ___sys_sendmsg+0xee/0x170 [ 8697.560435][ T1076] __sys_sendmsg+0xcd/0x170 [ 8697.560435][ T1076] do_syscall_64+0xc6/0x1e0 [ 8697.560435][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8697.560435][ T1076] [ 8697.562180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8697.562180][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8697.562180][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8697.562180][ T1076] ipv6_find_idev+0x102/0x170 [ 8697.562180][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8697.562180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8697.562180][ T1076] netlink_rcv_skb+0x130/0x360 [ 8697.562180][ T1076] netlink_unicast+0x449/0x710 [ 8697.562180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8697.562180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8697.562180][ T1076] ___sys_sendmsg+0xee/0x170 [ 8697.562180][ T1076] __sys_sendmsg+0xcd/0x170 [ 8697.562180][ T1076] do_syscall_64+0xc6/0x1e0 [ 8697.562180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8697.562180][ T1076] [ 8699.597729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8699.598078][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8699.598078][ T73] dst_init+0x84/0x4a0 [ 8699.598078][ T73] dst_alloc+0x97/0x150 [ 8699.598078][ T73] ip6_dst_alloc+0x23/0x90 [ 8699.598078][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8699.598078][ T73] ip6_pol_route+0x56f/0x840 [ 8699.598078][ T73] fib6_rule_lookup+0x456/0x630 [ 8699.598078][ T73] ip6_route_input+0x59c/0xa50 [ 8699.598078][ T73] ipv6_rcv+0x397/0x810 [ 8699.598078][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8699.598078][ T73] process_backlog+0x101/0x620 [ 8699.598078][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8699.598078][ T73] net_rx_action+0x495/0xbe0 [ 8699.598078][ T73] __do_softirq+0x1b5/0x7f6 [ 8699.598078][ T73] [ 8699.599732][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8699.599732][ T73] netdev_get_by_index+0x5e/0x80 [ 8699.599732][ T73] fib6_nh_init+0x3d8/0x1580 [ 8699.599732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8699.599732][ T73] ip6_route_add+0x1c/0x140 [ 8699.599732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8699.599732][ T73] inet6_addr_add+0x4f8/0xa40 [ 8699.599732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8699.599732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.599732][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.599732][ T73] netlink_unicast+0x449/0x710 [ 8699.599732][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.599732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.599732][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.599732][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.599732][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.599732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.599732][ T73] [ 8699.601746][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8699.601746][ T73] netdev_get_by_index+0x5e/0x80 [ 8699.601746][ T73] fib6_nh_init+0x3d8/0x1580 [ 8699.601746][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8699.601746][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8699.601746][ T73] ipv6_add_addr+0x411/0x2000 [ 8699.601746][ T73] inet6_addr_add+0x30e/0xa40 [ 8699.601746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8699.601746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.601746][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.601746][ T73] netlink_unicast+0x449/0x710 [ 8699.601746][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.601746][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.601746][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.601746][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.601746][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.601746][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.601746][ T73] [ 8699.603745][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8699.603745][ T73] netdev_get_by_index+0x5e/0x80 [ 8699.603745][ T73] fib6_nh_init+0x3d8/0x1580 [ 8699.603745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8699.603745][ T73] ip6_route_add+0x1c/0x140 [ 8699.603745][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8699.603745][ T73] addrconf_add_dev+0xe2/0x170 [ 8699.603745][ T73] inet6_addr_add+0x12f/0xa40 [ 8699.603745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8699.603745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.603745][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.603745][ T73] netlink_unicast+0x449/0x710 [ 8699.603745][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.603745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.603745][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.603745][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.603745][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.603745][ T73] [ 8699.605693][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8699.605693][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8699.605693][ T73] ipv6_find_idev+0x102/0x170 [ 8699.605693][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8699.605693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.605693][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.605693][ T73] netlink_unicast+0x449/0x710 [ 8699.605693][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.605693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.605693][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.605693][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.605693][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.605693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.605693][ T73] [ 8699.607225][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8699.607225][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8699.607225][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8699.607225][ T73] ipv6_find_idev+0x102/0x170 [ 8699.607225][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8699.607225][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.607225][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.607225][ T73] netlink_unicast+0x449/0x710 [ 8699.607225][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.607225][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.607225][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.607225][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.607225][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.607225][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.607225][ T73] [ 8699.609411][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8699.609664][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8699.609664][ T73] dst_init+0x84/0x4a0 [ 8699.609664][ T73] dst_alloc+0x97/0x150 [ 8699.609664][ T73] ip6_dst_alloc+0x23/0x90 [ 8699.609664][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8699.609664][ T73] ip6_pol_route+0x56f/0x840 [ 8699.609664][ T73] fib6_rule_lookup+0x456/0x630 [ 8699.609664][ T73] ip6_route_input+0x59c/0xa50 [ 8699.609664][ T73] ipv6_rcv+0x397/0x810 [ 8699.609664][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8699.609664][ T73] process_backlog+0x101/0x620 [ 8699.609664][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8699.609664][ T73] net_rx_action+0x495/0xbe0 [ 8699.609664][ T73] __do_softirq+0x1b5/0x7f6 [ 8699.609664][ T73] [ 8699.611283][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8699.611283][ T73] netdev_get_by_index+0x5e/0x80 [ 8699.611283][ T73] fib6_nh_init+0x3d8/0x1580 [ 8699.611283][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8699.611283][ T73] ip6_route_add+0x1c/0x140 [ 8699.611283][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8699.611283][ T73] inet6_addr_add+0x4f8/0xa40 [ 8699.611283][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8699.611283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.611283][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.611283][ T73] netlink_unicast+0x449/0x710 [ 8699.611283][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.611283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.611283][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.611283][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.611283][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.611283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.611283][ T73] [ 8699.613265][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8699.613265][ T73] netdev_get_by_index+0x5e/0x80 [ 8699.613265][ T73] fib6_nh_init+0x3d8/0x1580 [ 8699.613265][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8699.613265][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8699.613265][ T73] ipv6_add_addr+0x411/0x2000 [ 8699.613265][ T73] inet6_addr_add+0x30e/0xa40 [ 8699.613265][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8699.613265][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.613265][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.613265][ T73] netlink_unicast+0x449/0x710 [ 8699.613265][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.613265][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.613265][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.613265][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.613265][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.613265][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.613265][ T73] [ 8699.615238][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8699.615238][ T73] netdev_get_by_index+0x5e/0x80 [ 8699.615238][ T73] fib6_nh_init+0x3d8/0x1580 [ 8699.615238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8699.615238][ T73] ip6_route_add+0x1c/0x140 [ 8699.615238][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8699.615238][ T73] addrconf_add_dev+0xe2/0x170 [ 8699.615238][ T73] inet6_addr_add+0x12f/0xa40 [ 8699.615238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8699.615238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.615238][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.615238][ T73] netlink_unicast+0x449/0x710 [ 8699.615238][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.615238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.615238][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.615238][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.615238][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.615238][ T73] [ 8699.617202][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8699.617202][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8699.617202][ T73] ipv6_find_idev+0x102/0x170 [ 8699.617202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8699.617202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.617202][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.617202][ T73] netlink_unicast+0x449/0x710 [ 8699.617202][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.617202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.617202][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.617202][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.617202][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.617202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.617202][ T73] [ 8699.618722][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8699.618722][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8699.618722][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8699.618722][ T73] ipv6_find_idev+0x102/0x170 [ 8699.618722][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8699.618722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8699.618722][ T73] netlink_rcv_skb+0x130/0x360 [ 8699.618722][ T73] netlink_unicast+0x449/0x710 [ 8699.618722][ T73] netlink_sendmsg+0x723/0xbe0 [ 8699.618722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8699.618722][ T73] ___sys_sendmsg+0xee/0x170 [ 8699.618722][ T73] __sys_sendmsg+0xcd/0x170 [ 8699.618722][ T73] do_syscall_64+0xc6/0x1e0 [ 8699.618722][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8699.618722][ T73] [ 8707.573699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8707.574140][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8707.574140][ T1076] netdev_get_by_index+0x5e/0x80 [ 8707.574140][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8707.574140][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8707.574140][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8707.574140][ T1076] ipv6_add_addr+0x411/0x2000 [ 8707.574140][ T1076] inet6_addr_add+0x30e/0xa40 [ 8707.574140][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8707.574140][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8707.574140][ T1076] netlink_rcv_skb+0x130/0x360 [ 8707.574140][ T1076] netlink_unicast+0x449/0x710 [ 8707.574140][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8707.574140][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8707.574140][ T1076] ___sys_sendmsg+0xee/0x170 [ 8707.574140][ T1076] __sys_sendmsg+0xcd/0x170 [ 8707.574140][ T1076] do_syscall_64+0xc6/0x1e0 [ 8707.574140][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8707.574140][ T1076] [ 8707.576423][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8707.576423][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8707.576423][ T1076] ipv6_find_idev+0x102/0x170 [ 8707.576423][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8707.576423][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8707.576423][ T1076] netlink_rcv_skb+0x130/0x360 [ 8707.576423][ T1076] netlink_unicast+0x449/0x710 [ 8707.576423][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8707.576423][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8707.576423][ T1076] ___sys_sendmsg+0xee/0x170 [ 8707.576423][ T1076] __sys_sendmsg+0xcd/0x170 [ 8707.576423][ T1076] do_syscall_64+0xc6/0x1e0 [ 8707.576423][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8707.576423][ T1076] [ 8707.578165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8707.578165][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8707.578165][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8707.578165][ T1076] ipv6_find_idev+0x102/0x170 [ 8707.578165][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8707.578165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8707.578165][ T1076] netlink_rcv_skb+0x130/0x360 [ 8707.578165][ T1076] netlink_unicast+0x449/0x710 [ 8707.578165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8707.578165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8707.578165][ T1076] ___sys_sendmsg+0xee/0x170 [ 8707.578165][ T1076] __sys_sendmsg+0xcd/0x170 [ 8707.578165][ T1076] do_syscall_64+0xc6/0x1e0 [ 8707.578165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8707.578165][ T1076] [ 8709.693729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8709.694083][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8709.694083][ T73] dst_init+0x84/0x4a0 [ 8709.694083][ T73] dst_alloc+0x97/0x150 [ 8709.694083][ T73] ip6_dst_alloc+0x23/0x90 [ 8709.694083][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8709.694083][ T73] ip6_pol_route+0x56f/0x840 [ 8709.694083][ T73] fib6_rule_lookup+0x456/0x630 [ 8709.694083][ T73] ip6_route_input+0x59c/0xa50 [ 8709.694083][ T73] ipv6_rcv+0x397/0x810 [ 8709.694083][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8709.694083][ T73] process_backlog+0x101/0x620 [ 8709.694083][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8709.694083][ T73] net_rx_action+0x495/0xbe0 [ 8709.694083][ T73] __do_softirq+0x1b5/0x7f6 [ 8709.694083][ T73] [ 8709.695725][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8709.695725][ T73] netdev_get_by_index+0x5e/0x80 [ 8709.695725][ T73] fib6_nh_init+0x3d8/0x1580 [ 8709.695725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8709.695725][ T73] ip6_route_add+0x1c/0x140 [ 8709.695725][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8709.695725][ T73] inet6_addr_add+0x4f8/0xa40 [ 8709.695725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8709.695725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.695725][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.695725][ T73] netlink_unicast+0x449/0x710 [ 8709.695725][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.695725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.695725][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.695725][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.695725][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.695725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.695725][ T73] [ 8709.697716][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8709.697716][ T73] netdev_get_by_index+0x5e/0x80 [ 8709.697716][ T73] fib6_nh_init+0x3d8/0x1580 [ 8709.697716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8709.697716][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8709.697716][ T73] ipv6_add_addr+0x411/0x2000 [ 8709.697716][ T73] inet6_addr_add+0x30e/0xa40 [ 8709.697716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8709.697716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.697716][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.697716][ T73] netlink_unicast+0x449/0x710 [ 8709.697716][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.697716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.697716][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.697716][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.697716][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.697716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.697716][ T73] [ 8709.700072][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8709.700072][ T73] netdev_get_by_index+0x5e/0x80 [ 8709.700072][ T73] fib6_nh_init+0x3d8/0x1580 [ 8709.700072][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8709.700072][ T73] ip6_route_add+0x1c/0x140 [ 8709.700072][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8709.700072][ T73] addrconf_add_dev+0xe2/0x170 [ 8709.700072][ T73] inet6_addr_add+0x12f/0xa40 [ 8709.700072][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8709.700072][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.700072][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.700072][ T73] netlink_unicast+0x449/0x710 [ 8709.700072][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.700072][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.700072][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.700072][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.700072][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.700072][ T73] [ 8709.702017][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8709.702017][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8709.702017][ T73] ipv6_find_idev+0x102/0x170 [ 8709.702017][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8709.702017][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.702017][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.702017][ T73] netlink_unicast+0x449/0x710 [ 8709.702017][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.702017][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.702017][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.702017][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.702017][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.702017][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.702017][ T73] [ 8709.703555][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8709.703555][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8709.703555][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8709.703555][ T73] ipv6_find_idev+0x102/0x170 [ 8709.703555][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8709.703555][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.703555][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.703555][ T73] netlink_unicast+0x449/0x710 [ 8709.703555][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.703555][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.703555][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.703555][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.703555][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.703555][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.703555][ T73] [ 8709.705229][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8709.705468][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8709.705468][ T73] dst_init+0x84/0x4a0 [ 8709.705468][ T73] dst_alloc+0x97/0x150 [ 8709.705468][ T73] ip6_dst_alloc+0x23/0x90 [ 8709.705468][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8709.705468][ T73] ip6_pol_route+0x56f/0x840 [ 8709.705468][ T73] fib6_rule_lookup+0x456/0x630 [ 8709.705468][ T73] ip6_route_input+0x59c/0xa50 [ 8709.705468][ T73] ipv6_rcv+0x397/0x810 [ 8709.705468][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8709.705468][ T73] process_backlog+0x101/0x620 [ 8709.705468][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8709.705468][ T73] net_rx_action+0x495/0xbe0 [ 8709.705468][ T73] __do_softirq+0x1b5/0x7f6 [ 8709.705468][ T73] [ 8709.707088][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8709.707088][ T73] netdev_get_by_index+0x5e/0x80 [ 8709.707088][ T73] fib6_nh_init+0x3d8/0x1580 [ 8709.707088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8709.707088][ T73] ip6_route_add+0x1c/0x140 [ 8709.707088][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8709.707088][ T73] inet6_addr_add+0x4f8/0xa40 [ 8709.707088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8709.707088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.707088][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.707088][ T73] netlink_unicast+0x449/0x710 [ 8709.707088][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.707088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.707088][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.707088][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.707088][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.707088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.707088][ T73] [ 8709.709060][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8709.709060][ T73] netdev_get_by_index+0x5e/0x80 [ 8709.709060][ T73] fib6_nh_init+0x3d8/0x1580 [ 8709.709060][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8709.709060][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8709.709060][ T73] ipv6_add_addr+0x411/0x2000 [ 8709.709060][ T73] inet6_addr_add+0x30e/0xa40 [ 8709.709060][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8709.709060][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.709060][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.709060][ T73] netlink_unicast+0x449/0x710 [ 8709.709060][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.709060][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.709060][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.709060][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.709060][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.709060][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.709060][ T73] [ 8709.711037][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8709.711037][ T73] netdev_get_by_index+0x5e/0x80 [ 8709.711037][ T73] fib6_nh_init+0x3d8/0x1580 [ 8709.711037][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8709.711037][ T73] ip6_route_add+0x1c/0x140 [ 8709.711037][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8709.711037][ T73] addrconf_add_dev+0xe2/0x170 [ 8709.711037][ T73] inet6_addr_add+0x12f/0xa40 [ 8709.711037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8709.711037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.711037][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.711037][ T73] netlink_unicast+0x449/0x710 [ 8709.711037][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.711037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.711037][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.711037][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.711037][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.711037][ T73] [ 8709.712982][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8709.712982][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8709.712982][ T73] ipv6_find_idev+0x102/0x170 [ 8709.712982][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8709.712982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.712982][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.712982][ T73] netlink_unicast+0x449/0x710 [ 8709.712982][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.712982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.712982][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.712982][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.712982][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.712982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.712982][ T73] [ 8709.714506][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8709.714506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8709.714506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8709.714506][ T73] ipv6_find_idev+0x102/0x170 [ 8709.714506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8709.714506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8709.714506][ T73] netlink_rcv_skb+0x130/0x360 [ 8709.714506][ T73] netlink_unicast+0x449/0x710 [ 8709.714506][ T73] netlink_sendmsg+0x723/0xbe0 [ 8709.714506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8709.714506][ T73] ___sys_sendmsg+0xee/0x170 [ 8709.714506][ T73] __sys_sendmsg+0xcd/0x170 [ 8709.714506][ T73] do_syscall_64+0xc6/0x1e0 [ 8709.714506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8709.714506][ T73] [ 8717.661642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8717.662148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8717.662148][ T1076] netdev_get_by_index+0x5e/0x80 [ 8717.662148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8717.662148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8717.662148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8717.662148][ T1076] ipv6_add_addr+0x411/0x2000 [ 8717.662148][ T1076] inet6_addr_add+0x30e/0xa40 [ 8717.662148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8717.662148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.662148][ T1076] netlink_rcv_skb+0x130/0x360 [ 8717.662148][ T1076] netlink_unicast+0x449/0x710 [ 8717.662148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8717.662148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8717.662148][ T1076] ___sys_sendmsg+0xee/0x170 [ 8717.662148][ T1076] __sys_sendmsg+0xcd/0x170 [ 8717.662148][ T1076] do_syscall_64+0xc6/0x1e0 [ 8717.662148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.662148][ T1076] [ 8717.664476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8717.664476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8717.664476][ T1076] ipv6_find_idev+0x102/0x170 [ 8717.664476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8717.664476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.664476][ T1076] netlink_rcv_skb+0x130/0x360 [ 8717.664476][ T1076] netlink_unicast+0x449/0x710 [ 8717.664476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8717.664476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8717.664476][ T1076] ___sys_sendmsg+0xee/0x170 [ 8717.664476][ T1076] __sys_sendmsg+0xcd/0x170 [ 8717.664476][ T1076] do_syscall_64+0xc6/0x1e0 [ 8717.664476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.664476][ T1076] [ 8717.666225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8717.666225][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8717.666225][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8717.666225][ T1076] ipv6_find_idev+0x102/0x170 [ 8717.666225][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8717.666225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8717.666225][ T1076] netlink_rcv_skb+0x130/0x360 [ 8717.666225][ T1076] netlink_unicast+0x449/0x710 [ 8717.666225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8717.666225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8717.666225][ T1076] ___sys_sendmsg+0xee/0x170 [ 8717.666225][ T1076] __sys_sendmsg+0xcd/0x170 [ 8717.666225][ T1076] do_syscall_64+0xc6/0x1e0 [ 8717.666225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8717.666225][ T1076] [ 8719.965643][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8719.966063][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8719.966063][ T73] dst_init+0x84/0x4a0 [ 8719.966063][ T73] dst_alloc+0x97/0x150 [ 8719.966063][ T73] ip6_dst_alloc+0x23/0x90 [ 8719.966063][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8719.966063][ T73] ip6_pol_route+0x56f/0x840 [ 8719.966063][ T73] fib6_rule_lookup+0x456/0x630 [ 8719.966063][ T73] ip6_route_input+0x59c/0xa50 [ 8719.966063][ T73] ipv6_rcv+0x397/0x810 [ 8719.966063][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8719.966063][ T73] process_backlog+0x101/0x620 [ 8719.966063][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8719.966063][ T73] net_rx_action+0x495/0xbe0 [ 8719.966063][ T73] __do_softirq+0x1b5/0x7f6 [ 8719.966063][ T73] [ 8719.967716][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8719.967716][ T73] netdev_get_by_index+0x5e/0x80 [ 8719.967716][ T73] fib6_nh_init+0x3d8/0x1580 [ 8719.967716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8719.967716][ T73] ip6_route_add+0x1c/0x140 [ 8719.967716][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8719.967716][ T73] inet6_addr_add+0x4f8/0xa40 [ 8719.967716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.967716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.967716][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.967716][ T73] netlink_unicast+0x449/0x710 [ 8719.967716][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.967716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.967716][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.967716][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.967716][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.967716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.967716][ T73] [ 8719.969705][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8719.969705][ T73] netdev_get_by_index+0x5e/0x80 [ 8719.969705][ T73] fib6_nh_init+0x3d8/0x1580 [ 8719.969705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8719.969705][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8719.969705][ T73] ipv6_add_addr+0x411/0x2000 [ 8719.969705][ T73] inet6_addr_add+0x30e/0xa40 [ 8719.969705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.969705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.969705][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.969705][ T73] netlink_unicast+0x449/0x710 [ 8719.969705][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.969705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.969705][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.969705][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.969705][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.969705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.969705][ T73] [ 8719.971689][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8719.971689][ T73] netdev_get_by_index+0x5e/0x80 [ 8719.971689][ T73] fib6_nh_init+0x3d8/0x1580 [ 8719.971689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8719.971689][ T73] ip6_route_add+0x1c/0x140 [ 8719.971689][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8719.971689][ T73] addrconf_add_dev+0xe2/0x170 [ 8719.971689][ T73] inet6_addr_add+0x12f/0xa40 [ 8719.971689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.971689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.971689][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.971689][ T73] netlink_unicast+0x449/0x710 [ 8719.971689][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.971689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.971689][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.971689][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.971689][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.971689][ T73] [ 8719.973659][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8719.973659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8719.973659][ T73] ipv6_find_idev+0x102/0x170 [ 8719.973659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8719.973659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.973659][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.973659][ T73] netlink_unicast+0x449/0x710 [ 8719.973659][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.973659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.973659][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.973659][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.973659][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.973659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.973659][ T73] [ 8719.975248][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8719.975248][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8719.975248][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8719.975248][ T73] ipv6_find_idev+0x102/0x170 [ 8719.975248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8719.975248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.975248][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.975248][ T73] netlink_unicast+0x449/0x710 [ 8719.975248][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.975248][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.975248][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.975248][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.975248][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.975248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.975248][ T73] [ 8719.976959][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8719.977199][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8719.977199][ T73] dst_init+0x84/0x4a0 [ 8719.977199][ T73] dst_alloc+0x97/0x150 [ 8719.977199][ T73] ip6_dst_alloc+0x23/0x90 [ 8719.977199][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8719.977199][ T73] ip6_pol_route+0x56f/0x840 [ 8719.977199][ T73] fib6_rule_lookup+0x456/0x630 [ 8719.977199][ T73] ip6_route_input+0x59c/0xa50 [ 8719.977199][ T73] ipv6_rcv+0x397/0x810 [ 8719.977199][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8719.977199][ T73] process_backlog+0x101/0x620 [ 8719.977199][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8719.977199][ T73] net_rx_action+0x495/0xbe0 [ 8719.977199][ T73] __do_softirq+0x1b5/0x7f6 [ 8719.977199][ T73] [ 8719.978828][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8719.978828][ T73] netdev_get_by_index+0x5e/0x80 [ 8719.978828][ T73] fib6_nh_init+0x3d8/0x1580 [ 8719.978828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8719.978828][ T73] ip6_route_add+0x1c/0x140 [ 8719.978828][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8719.978828][ T73] inet6_addr_add+0x4f8/0xa40 [ 8719.978828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.978828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.978828][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.978828][ T73] netlink_unicast+0x449/0x710 [ 8719.978828][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.978828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.978828][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.978828][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.978828][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.978828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.978828][ T73] [ 8719.980826][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8719.980826][ T73] netdev_get_by_index+0x5e/0x80 [ 8719.980826][ T73] fib6_nh_init+0x3d8/0x1580 [ 8719.980826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8719.980826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8719.980826][ T73] ipv6_add_addr+0x411/0x2000 [ 8719.980826][ T73] inet6_addr_add+0x30e/0xa40 [ 8719.980826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.980826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.980826][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.980826][ T73] netlink_unicast+0x449/0x710 [ 8719.980826][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.980826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.980826][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.980826][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.980826][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.980826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.980826][ T73] [ 8719.982854][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8719.982854][ T73] netdev_get_by_index+0x5e/0x80 [ 8719.982854][ T73] fib6_nh_init+0x3d8/0x1580 [ 8719.982854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8719.982854][ T73] ip6_route_add+0x1c/0x140 [ 8719.982854][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8719.982854][ T73] addrconf_add_dev+0xe2/0x170 [ 8719.982854][ T73] inet6_addr_add+0x12f/0xa40 [ 8719.982854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8719.982854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.982854][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.982854][ T73] netlink_unicast+0x449/0x710 [ 8719.982854][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.982854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.982854][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.982854][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.982854][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.982854][ T73] [ 8719.984889][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8719.984889][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8719.984889][ T73] ipv6_find_idev+0x102/0x170 [ 8719.984889][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8719.984889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.984889][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.984889][ T73] netlink_unicast+0x449/0x710 [ 8719.984889][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.984889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.984889][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.984889][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.984889][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.984889][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.984889][ T73] [ 8719.986567][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8719.986567][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8719.986567][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8719.986567][ T73] ipv6_find_idev+0x102/0x170 [ 8719.986567][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8719.986567][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8719.986567][ T73] netlink_rcv_skb+0x130/0x360 [ 8719.986567][ T73] netlink_unicast+0x449/0x710 [ 8719.986567][ T73] netlink_sendmsg+0x723/0xbe0 [ 8719.986567][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8719.986567][ T73] ___sys_sendmsg+0xee/0x170 [ 8719.986567][ T73] __sys_sendmsg+0xcd/0x170 [ 8719.986567][ T73] do_syscall_64+0xc6/0x1e0 [ 8719.986567][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8719.986567][ T73] [ 8727.837743][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8727.838237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8727.838237][ T1076] netdev_get_by_index+0x5e/0x80 [ 8727.838237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8727.838237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8727.838237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8727.838237][ T1076] ipv6_add_addr+0x411/0x2000 [ 8727.838237][ T1076] inet6_addr_add+0x30e/0xa40 [ 8727.838237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8727.838237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.838237][ T1076] netlink_rcv_skb+0x130/0x360 [ 8727.838237][ T1076] netlink_unicast+0x449/0x710 [ 8727.838237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8727.838237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8727.838237][ T1076] ___sys_sendmsg+0xee/0x170 [ 8727.838237][ T1076] __sys_sendmsg+0xcd/0x170 [ 8727.838237][ T1076] do_syscall_64+0xc6/0x1e0 [ 8727.838237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.838237][ T1076] [ 8727.840716][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8727.840716][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8727.840716][ T1076] ipv6_find_idev+0x102/0x170 [ 8727.840716][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8727.840716][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.840716][ T1076] netlink_rcv_skb+0x130/0x360 [ 8727.840716][ T1076] netlink_unicast+0x449/0x710 [ 8727.840716][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8727.840716][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8727.840716][ T1076] ___sys_sendmsg+0xee/0x170 [ 8727.840716][ T1076] __sys_sendmsg+0xcd/0x170 [ 8727.840716][ T1076] do_syscall_64+0xc6/0x1e0 [ 8727.840716][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.840716][ T1076] [ 8727.842612][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8727.842612][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8727.842612][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8727.842612][ T1076] ipv6_find_idev+0x102/0x170 [ 8727.842612][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8727.842612][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8727.842612][ T1076] netlink_rcv_skb+0x130/0x360 [ 8727.842612][ T1076] netlink_unicast+0x449/0x710 [ 8727.842612][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8727.842612][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8727.842612][ T1076] ___sys_sendmsg+0xee/0x170 [ 8727.842612][ T1076] __sys_sendmsg+0xcd/0x170 [ 8727.842612][ T1076] do_syscall_64+0xc6/0x1e0 [ 8727.842612][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8727.842612][ T1076] [ 8730.157709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8730.158223][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8730.158223][ T73] dst_init+0x84/0x4a0 [ 8730.158223][ T73] dst_alloc+0x97/0x150 [ 8730.158223][ T73] ip6_dst_alloc+0x23/0x90 [ 8730.158223][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8730.158223][ T73] ip6_pol_route+0x56f/0x840 [ 8730.158223][ T73] fib6_rule_lookup+0x456/0x630 [ 8730.158223][ T73] ip6_route_input+0x59c/0xa50 [ 8730.158223][ T73] ipv6_rcv+0x397/0x810 [ 8730.158223][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8730.158223][ T73] process_backlog+0x101/0x620 [ 8730.158223][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8730.158223][ T73] net_rx_action+0x495/0xbe0 [ 8730.158223][ T73] __do_softirq+0x1b5/0x7f6 [ 8730.158223][ T73] [ 8730.160675][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8730.160675][ T73] netdev_get_by_index+0x5e/0x80 [ 8730.160675][ T73] fib6_nh_init+0x3d8/0x1580 [ 8730.160675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8730.160675][ T73] ip6_route_add+0x1c/0x140 [ 8730.160675][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8730.160675][ T73] inet6_addr_add+0x4f8/0xa40 [ 8730.160675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8730.160675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.160675][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.160675][ T73] netlink_unicast+0x449/0x710 [ 8730.160675][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.160675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.160675][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.160675][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.160675][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.160675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.160675][ T73] [ 8730.162961][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8730.162961][ T73] netdev_get_by_index+0x5e/0x80 [ 8730.162961][ T73] fib6_nh_init+0x3d8/0x1580 [ 8730.162961][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8730.162961][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8730.162961][ T73] ipv6_add_addr+0x411/0x2000 [ 8730.162961][ T73] inet6_addr_add+0x30e/0xa40 [ 8730.162961][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8730.162961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.162961][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.162961][ T73] netlink_unicast+0x449/0x710 [ 8730.162961][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.162961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.162961][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.162961][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.162961][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.162961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.162961][ T73] [ 8730.165111][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8730.165111][ T73] netdev_get_by_index+0x5e/0x80 [ 8730.165111][ T73] fib6_nh_init+0x3d8/0x1580 [ 8730.165111][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8730.165111][ T73] ip6_route_add+0x1c/0x140 [ 8730.165111][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8730.165111][ T73] addrconf_add_dev+0xe2/0x170 [ 8730.165111][ T73] inet6_addr_add+0x12f/0xa40 [ 8730.165111][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8730.165111][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.165111][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.165111][ T73] netlink_unicast+0x449/0x710 [ 8730.165111][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.165111][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.165111][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.165111][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.165111][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.165111][ T73] [ 8730.167228][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8730.167228][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8730.167228][ T73] ipv6_find_idev+0x102/0x170 [ 8730.167228][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8730.167228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.167228][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.167228][ T73] netlink_unicast+0x449/0x710 [ 8730.167228][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.167228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.167228][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.167228][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.167228][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.167228][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.167228][ T73] [ 8730.168917][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8730.168917][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8730.168917][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8730.168917][ T73] ipv6_find_idev+0x102/0x170 [ 8730.168917][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8730.168917][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.168917][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.168917][ T73] netlink_unicast+0x449/0x710 [ 8730.168917][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.168917][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.168917][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.168917][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.168917][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.168917][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.168917][ T73] [ 8730.170697][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8730.170936][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8730.170936][ T73] dst_init+0x84/0x4a0 [ 8730.170936][ T73] dst_alloc+0x97/0x150 [ 8730.170936][ T73] ip6_dst_alloc+0x23/0x90 [ 8730.170936][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8730.170936][ T73] ip6_pol_route+0x56f/0x840 [ 8730.170936][ T73] fib6_rule_lookup+0x456/0x630 [ 8730.170936][ T73] ip6_route_input+0x59c/0xa50 [ 8730.170936][ T73] ipv6_rcv+0x397/0x810 [ 8730.170936][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8730.170936][ T73] process_backlog+0x101/0x620 [ 8730.170936][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8730.170936][ T73] net_rx_action+0x495/0xbe0 [ 8730.170936][ T73] __do_softirq+0x1b5/0x7f6 [ 8730.170936][ T73] [ 8730.172603][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8730.172603][ T73] netdev_get_by_index+0x5e/0x80 [ 8730.172603][ T73] fib6_nh_init+0x3d8/0x1580 [ 8730.172603][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8730.172603][ T73] ip6_route_add+0x1c/0x140 [ 8730.172603][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8730.172603][ T73] inet6_addr_add+0x4f8/0xa40 [ 8730.172603][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8730.172603][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.172603][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.172603][ T73] netlink_unicast+0x449/0x710 [ 8730.172603][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.172603][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.172603][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.172603][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.172603][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.172603][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.172603][ T73] [ 8730.174613][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8730.174613][ T73] netdev_get_by_index+0x5e/0x80 [ 8730.174613][ T73] fib6_nh_init+0x3d8/0x1580 [ 8730.174613][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8730.174613][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8730.174613][ T73] ipv6_add_addr+0x411/0x2000 [ 8730.174613][ T73] inet6_addr_add+0x30e/0xa40 [ 8730.174613][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8730.174613][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.174613][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.174613][ T73] netlink_unicast+0x449/0x710 [ 8730.174613][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.174613][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.174613][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.174613][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.174613][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.174613][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.174613][ T73] [ 8730.176616][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8730.176616][ T73] netdev_get_by_index+0x5e/0x80 [ 8730.176616][ T73] fib6_nh_init+0x3d8/0x1580 [ 8730.176616][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8730.176616][ T73] ip6_route_add+0x1c/0x140 [ 8730.176616][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8730.176616][ T73] addrconf_add_dev+0xe2/0x170 [ 8730.176616][ T73] inet6_addr_add+0x12f/0xa40 [ 8730.176616][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8730.176616][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.176616][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.176616][ T73] netlink_unicast+0x449/0x710 [ 8730.176616][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.176616][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.176616][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.176616][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.176616][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.176616][ T73] [ 8730.179113][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8730.179113][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8730.179113][ T73] ipv6_find_idev+0x102/0x170 [ 8730.179113][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8730.179113][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.179113][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.179113][ T73] netlink_unicast+0x449/0x710 [ 8730.179113][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.179113][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.179113][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.179113][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.179113][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.179113][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.179113][ T73] [ 8730.180818][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8730.180818][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8730.180818][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8730.180818][ T73] ipv6_find_idev+0x102/0x170 [ 8730.180818][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8730.180818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8730.180818][ T73] netlink_rcv_skb+0x130/0x360 [ 8730.180818][ T73] netlink_unicast+0x449/0x710 [ 8730.180818][ T73] netlink_sendmsg+0x723/0xbe0 [ 8730.180818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8730.180818][ T73] ___sys_sendmsg+0xee/0x170 [ 8730.180818][ T73] __sys_sendmsg+0xcd/0x170 [ 8730.180818][ T73] do_syscall_64+0xc6/0x1e0 [ 8730.180818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8730.180818][ T73] [ 8738.093769][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8738.094239][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8738.094239][ T1076] netdev_get_by_index+0x5e/0x80 [ 8738.094239][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8738.094239][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8738.094239][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8738.094239][ T1076] ipv6_add_addr+0x411/0x2000 [ 8738.094239][ T1076] inet6_addr_add+0x30e/0xa40 [ 8738.094239][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8738.094239][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8738.094239][ T1076] netlink_rcv_skb+0x130/0x360 [ 8738.094239][ T1076] netlink_unicast+0x449/0x710 [ 8738.094239][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8738.094239][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8738.094239][ T1076] ___sys_sendmsg+0xee/0x170 [ 8738.094239][ T1076] __sys_sendmsg+0xcd/0x170 [ 8738.094239][ T1076] do_syscall_64+0xc6/0x1e0 [ 8738.094239][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8738.094239][ T1076] [ 8738.096636][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8738.096636][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8738.096636][ T1076] ipv6_find_idev+0x102/0x170 [ 8738.096636][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8738.096636][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8738.096636][ T1076] netlink_rcv_skb+0x130/0x360 [ 8738.096636][ T1076] netlink_unicast+0x449/0x710 [ 8738.096636][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8738.096636][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8738.096636][ T1076] ___sys_sendmsg+0xee/0x170 [ 8738.096636][ T1076] __sys_sendmsg+0xcd/0x170 [ 8738.096636][ T1076] do_syscall_64+0xc6/0x1e0 [ 8738.096636][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8738.096636][ T1076] [ 8738.098517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8738.098517][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8738.098517][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8738.098517][ T1076] ipv6_find_idev+0x102/0x170 [ 8738.098517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8738.098517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8738.098517][ T1076] netlink_rcv_skb+0x130/0x360 [ 8738.098517][ T1076] netlink_unicast+0x449/0x710 [ 8738.098517][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8738.098517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8738.098517][ T1076] ___sys_sendmsg+0xee/0x170 [ 8738.098517][ T1076] __sys_sendmsg+0xcd/0x170 [ 8738.098517][ T1076] do_syscall_64+0xc6/0x1e0 [ 8738.098517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8738.098517][ T1076] [ 8740.397751][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8740.398136][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8740.398136][ T73] dst_init+0x84/0x4a0 [ 8740.398136][ T73] dst_alloc+0x97/0x150 [ 8740.398136][ T73] ip6_dst_alloc+0x23/0x90 [ 8740.398136][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8740.398136][ T73] ip6_pol_route+0x56f/0x840 [ 8740.398136][ T73] fib6_rule_lookup+0x456/0x630 [ 8740.398136][ T73] ip6_route_input+0x59c/0xa50 [ 8740.398136][ T73] ipv6_rcv+0x397/0x810 [ 8740.398136][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8740.398136][ T73] process_backlog+0x101/0x620 [ 8740.398136][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8740.398136][ T73] net_rx_action+0x495/0xbe0 [ 8740.398136][ T73] __do_softirq+0x1b5/0x7f6 [ 8740.398136][ T73] [ 8740.399944][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8740.399944][ T73] netdev_get_by_index+0x5e/0x80 [ 8740.399944][ T73] fib6_nh_init+0x3d8/0x1580 [ 8740.399944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8740.399944][ T73] ip6_route_add+0x1c/0x140 [ 8740.399944][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8740.399944][ T73] inet6_addr_add+0x4f8/0xa40 [ 8740.399944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8740.399944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.399944][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.399944][ T73] netlink_unicast+0x449/0x710 [ 8740.399944][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.399944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.399944][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.399944][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.399944][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.399944][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.399944][ T73] [ 8740.402115][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8740.402115][ T73] netdev_get_by_index+0x5e/0x80 [ 8740.402115][ T73] fib6_nh_init+0x3d8/0x1580 [ 8740.402115][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8740.402115][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8740.402115][ T73] ipv6_add_addr+0x411/0x2000 [ 8740.402115][ T73] inet6_addr_add+0x30e/0xa40 [ 8740.402115][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8740.402115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.402115][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.402115][ T73] netlink_unicast+0x449/0x710 [ 8740.402115][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.402115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.402115][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.402115][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.402115][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.402115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.402115][ T73] [ 8740.404192][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8740.404192][ T73] netdev_get_by_index+0x5e/0x80 [ 8740.404192][ T73] fib6_nh_init+0x3d8/0x1580 [ 8740.404192][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8740.404192][ T73] ip6_route_add+0x1c/0x140 [ 8740.404192][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8740.404192][ T73] addrconf_add_dev+0xe2/0x170 [ 8740.404192][ T73] inet6_addr_add+0x12f/0xa40 [ 8740.404192][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8740.404192][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.404192][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.404192][ T73] netlink_unicast+0x449/0x710 [ 8740.404192][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.404192][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.404192][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.404192][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.404192][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.404192][ T73] [ 8740.406156][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8740.406156][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8740.406156][ T73] ipv6_find_idev+0x102/0x170 [ 8740.406156][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8740.406156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.406156][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.406156][ T73] netlink_unicast+0x449/0x710 [ 8740.406156][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.406156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.406156][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.406156][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.406156][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.406156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.406156][ T73] [ 8740.407686][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8740.407686][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8740.407686][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8740.407686][ T73] ipv6_find_idev+0x102/0x170 [ 8740.407686][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8740.407686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.407686][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.407686][ T73] netlink_unicast+0x449/0x710 [ 8740.407686][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.407686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.407686][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.407686][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.407686][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.407686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.407686][ T73] [ 8740.409385][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8740.409631][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8740.409631][ T73] dst_init+0x84/0x4a0 [ 8740.409631][ T73] dst_alloc+0x97/0x150 [ 8740.409631][ T73] ip6_dst_alloc+0x23/0x90 [ 8740.409631][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8740.409631][ T73] ip6_pol_route+0x56f/0x840 [ 8740.409631][ T73] fib6_rule_lookup+0x456/0x630 [ 8740.409631][ T73] ip6_route_input+0x59c/0xa50 [ 8740.409631][ T73] ipv6_rcv+0x397/0x810 [ 8740.409631][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8740.409631][ T73] process_backlog+0x101/0x620 [ 8740.409631][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8740.409631][ T73] net_rx_action+0x495/0xbe0 [ 8740.409631][ T73] __do_softirq+0x1b5/0x7f6 [ 8740.409631][ T73] [ 8740.411290][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8740.411290][ T73] netdev_get_by_index+0x5e/0x80 [ 8740.411290][ T73] fib6_nh_init+0x3d8/0x1580 [ 8740.411290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8740.411290][ T73] ip6_route_add+0x1c/0x140 [ 8740.411290][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8740.411290][ T73] inet6_addr_add+0x4f8/0xa40 [ 8740.411290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8740.411290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.411290][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.411290][ T73] netlink_unicast+0x449/0x710 [ 8740.411290][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.411290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.411290][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.411290][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.411290][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.411290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.411290][ T73] [ 8740.413421][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8740.413421][ T73] netdev_get_by_index+0x5e/0x80 [ 8740.413421][ T73] fib6_nh_init+0x3d8/0x1580 [ 8740.413421][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8740.413421][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8740.413421][ T73] ipv6_add_addr+0x411/0x2000 [ 8740.413421][ T73] inet6_addr_add+0x30e/0xa40 [ 8740.413421][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8740.413421][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.413421][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.413421][ T73] netlink_unicast+0x449/0x710 [ 8740.413421][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.413421][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.413421][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.413421][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.413421][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.413421][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.413421][ T73] [ 8740.415584][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8740.415584][ T73] netdev_get_by_index+0x5e/0x80 [ 8740.415584][ T73] fib6_nh_init+0x3d8/0x1580 [ 8740.415584][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8740.415584][ T73] ip6_route_add+0x1c/0x140 [ 8740.415584][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8740.415584][ T73] addrconf_add_dev+0xe2/0x170 [ 8740.415584][ T73] inet6_addr_add+0x12f/0xa40 [ 8740.415584][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8740.415584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.415584][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.415584][ T73] netlink_unicast+0x449/0x710 [ 8740.415584][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.415584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.415584][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.415584][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.415584][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.415584][ T73] [ 8740.417715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8740.417715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8740.417715][ T73] ipv6_find_idev+0x102/0x170 [ 8740.417715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8740.417715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.417715][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.417715][ T73] netlink_unicast+0x449/0x710 [ 8740.417715][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.417715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.417715][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.417715][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.417715][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.417715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.417715][ T73] [ 8740.419389][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8740.419389][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8740.419389][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8740.419389][ T73] ipv6_find_idev+0x102/0x170 [ 8740.419389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8740.419389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8740.419389][ T73] netlink_rcv_skb+0x130/0x360 [ 8740.419389][ T73] netlink_unicast+0x449/0x710 [ 8740.419389][ T73] netlink_sendmsg+0x723/0xbe0 [ 8740.419389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8740.419389][ T73] ___sys_sendmsg+0xee/0x170 [ 8740.419389][ T73] __sys_sendmsg+0xcd/0x170 [ 8740.419389][ T73] do_syscall_64+0xc6/0x1e0 [ 8740.419389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8740.419389][ T73] [ 8748.349720][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8748.350203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8748.350203][ T1076] netdev_get_by_index+0x5e/0x80 [ 8748.350203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8748.350203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8748.350203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8748.350203][ T1076] ipv6_add_addr+0x411/0x2000 [ 8748.350203][ T1076] inet6_addr_add+0x30e/0xa40 [ 8748.350203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8748.350203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8748.350203][ T1076] netlink_rcv_skb+0x130/0x360 [ 8748.350203][ T1076] netlink_unicast+0x449/0x710 [ 8748.350203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8748.350203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8748.350203][ T1076] ___sys_sendmsg+0xee/0x170 [ 8748.350203][ T1076] __sys_sendmsg+0xcd/0x170 [ 8748.350203][ T1076] do_syscall_64+0xc6/0x1e0 [ 8748.350203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8748.350203][ T1076] [ 8748.352533][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8748.352533][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8748.352533][ T1076] ipv6_find_idev+0x102/0x170 [ 8748.352533][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8748.352533][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8748.352533][ T1076] netlink_rcv_skb+0x130/0x360 [ 8748.352533][ T1076] netlink_unicast+0x449/0x710 [ 8748.352533][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8748.352533][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8748.352533][ T1076] ___sys_sendmsg+0xee/0x170 [ 8748.352533][ T1076] __sys_sendmsg+0xcd/0x170 [ 8748.352533][ T1076] do_syscall_64+0xc6/0x1e0 [ 8748.352533][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8748.352533][ T1076] [ 8748.354306][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8748.354306][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8748.354306][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8748.354306][ T1076] ipv6_find_idev+0x102/0x170 [ 8748.354306][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8748.354306][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8748.354306][ T1076] netlink_rcv_skb+0x130/0x360 [ 8748.354306][ T1076] netlink_unicast+0x449/0x710 [ 8748.354306][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8748.354306][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8748.354306][ T1076] ___sys_sendmsg+0xee/0x170 [ 8748.354306][ T1076] __sys_sendmsg+0xcd/0x170 [ 8748.354306][ T1076] do_syscall_64+0xc6/0x1e0 [ 8748.354306][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8748.354306][ T1076] [ 8750.669737][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8750.670117][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8750.670117][ T73] dst_init+0x84/0x4a0 [ 8750.670117][ T73] dst_alloc+0x97/0x150 [ 8750.670117][ T73] ip6_dst_alloc+0x23/0x90 [ 8750.670117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8750.670117][ T73] ip6_pol_route+0x56f/0x840 [ 8750.670117][ T73] fib6_rule_lookup+0x456/0x630 [ 8750.670117][ T73] ip6_route_input+0x59c/0xa50 [ 8750.670117][ T73] ipv6_rcv+0x397/0x810 [ 8750.670117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8750.670117][ T73] process_backlog+0x101/0x620 [ 8750.670117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8750.670117][ T73] net_rx_action+0x495/0xbe0 [ 8750.670117][ T73] __do_softirq+0x1b5/0x7f6 [ 8750.670117][ T73] [ 8750.671923][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8750.671923][ T73] netdev_get_by_index+0x5e/0x80 [ 8750.671923][ T73] fib6_nh_init+0x3d8/0x1580 [ 8750.671923][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8750.671923][ T73] ip6_route_add+0x1c/0x140 [ 8750.671923][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8750.671923][ T73] inet6_addr_add+0x4f8/0xa40 [ 8750.671923][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8750.671923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.671923][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.671923][ T73] netlink_unicast+0x449/0x710 [ 8750.671923][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.671923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.671923][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.671923][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.671923][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.671923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.671923][ T73] [ 8750.674118][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8750.674118][ T73] netdev_get_by_index+0x5e/0x80 [ 8750.674118][ T73] fib6_nh_init+0x3d8/0x1580 [ 8750.674118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8750.674118][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8750.674118][ T73] ipv6_add_addr+0x411/0x2000 [ 8750.674118][ T73] inet6_addr_add+0x30e/0xa40 [ 8750.674118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8750.674118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.674118][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.674118][ T73] netlink_unicast+0x449/0x710 [ 8750.674118][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.674118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.674118][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.674118][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.674118][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.674118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.674118][ T73] [ 8750.676298][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8750.676298][ T73] netdev_get_by_index+0x5e/0x80 [ 8750.676298][ T73] fib6_nh_init+0x3d8/0x1580 [ 8750.676298][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8750.676298][ T73] ip6_route_add+0x1c/0x140 [ 8750.676298][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8750.676298][ T73] addrconf_add_dev+0xe2/0x170 [ 8750.676298][ T73] inet6_addr_add+0x12f/0xa40 [ 8750.676298][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8750.676298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.676298][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.676298][ T73] netlink_unicast+0x449/0x710 [ 8750.676298][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.676298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.676298][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.676298][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.676298][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.676298][ T73] [ 8750.678333][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8750.678333][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8750.678333][ T73] ipv6_find_idev+0x102/0x170 [ 8750.678333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8750.678333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.678333][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.678333][ T73] netlink_unicast+0x449/0x710 [ 8750.678333][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.678333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.678333][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.678333][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.678333][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.678333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.678333][ T73] [ 8750.679972][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8750.679972][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8750.679972][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8750.679972][ T73] ipv6_find_idev+0x102/0x170 [ 8750.679972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8750.679972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.679972][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.679972][ T73] netlink_unicast+0x449/0x710 [ 8750.679972][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.679972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.679972][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.679972][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.679972][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.679972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.679972][ T73] [ 8750.681795][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8750.682056][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8750.682056][ T73] dst_init+0x84/0x4a0 [ 8750.682056][ T73] dst_alloc+0x97/0x150 [ 8750.682056][ T73] ip6_dst_alloc+0x23/0x90 [ 8750.682056][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8750.682056][ T73] ip6_pol_route+0x56f/0x840 [ 8750.682056][ T73] fib6_rule_lookup+0x456/0x630 [ 8750.682056][ T73] ip6_route_input+0x59c/0xa50 [ 8750.682056][ T73] ipv6_rcv+0x397/0x810 [ 8750.682056][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8750.682056][ T73] process_backlog+0x101/0x620 [ 8750.682056][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8750.682056][ T73] net_rx_action+0x495/0xbe0 [ 8750.682056][ T73] __do_softirq+0x1b5/0x7f6 [ 8750.682056][ T73] [ 8750.683853][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8750.683853][ T73] netdev_get_by_index+0x5e/0x80 [ 8750.683853][ T73] fib6_nh_init+0x3d8/0x1580 [ 8750.683853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8750.683853][ T73] ip6_route_add+0x1c/0x140 [ 8750.683853][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8750.683853][ T73] inet6_addr_add+0x4f8/0xa40 [ 8750.683853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8750.683853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.683853][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.683853][ T73] netlink_unicast+0x449/0x710 [ 8750.683853][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.683853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.683853][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.683853][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.683853][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.683853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.683853][ T73] [ 8750.686024][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8750.686024][ T73] netdev_get_by_index+0x5e/0x80 [ 8750.686024][ T73] fib6_nh_init+0x3d8/0x1580 [ 8750.686024][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8750.686024][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8750.686024][ T73] ipv6_add_addr+0x411/0x2000 [ 8750.686024][ T73] inet6_addr_add+0x30e/0xa40 [ 8750.686024][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8750.686024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.686024][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.686024][ T73] netlink_unicast+0x449/0x710 [ 8750.686024][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.686024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.686024][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.686024][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.686024][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.686024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.686024][ T73] [ 8750.688177][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8750.688177][ T73] netdev_get_by_index+0x5e/0x80 [ 8750.688177][ T73] fib6_nh_init+0x3d8/0x1580 [ 8750.688177][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8750.688177][ T73] ip6_route_add+0x1c/0x140 [ 8750.688177][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8750.688177][ T73] addrconf_add_dev+0xe2/0x170 [ 8750.688177][ T73] inet6_addr_add+0x12f/0xa40 [ 8750.688177][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8750.688177][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.688177][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.688177][ T73] netlink_unicast+0x449/0x710 [ 8750.688177][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.688177][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.688177][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.688177][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.688177][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.688177][ T73] [ 8750.690269][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8750.690269][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8750.690269][ T73] ipv6_find_idev+0x102/0x170 [ 8750.690269][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8750.690269][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.690269][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.690269][ T73] netlink_unicast+0x449/0x710 [ 8750.690269][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.690269][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.690269][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.690269][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.690269][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.690269][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.690269][ T73] [ 8750.691939][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8750.691939][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8750.691939][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8750.691939][ T73] ipv6_find_idev+0x102/0x170 [ 8750.691939][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8750.691939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8750.691939][ T73] netlink_rcv_skb+0x130/0x360 [ 8750.691939][ T73] netlink_unicast+0x449/0x710 [ 8750.691939][ T73] netlink_sendmsg+0x723/0xbe0 [ 8750.691939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8750.691939][ T73] ___sys_sendmsg+0xee/0x170 [ 8750.691939][ T73] __sys_sendmsg+0xcd/0x170 [ 8750.691939][ T73] do_syscall_64+0xc6/0x1e0 [ 8750.691939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8750.691939][ T73] [ 8758.605645][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8758.606116][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8758.606116][ T1076] netdev_get_by_index+0x5e/0x80 [ 8758.606116][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8758.606116][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8758.606116][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8758.606116][ T1076] ipv6_add_addr+0x411/0x2000 [ 8758.606116][ T1076] inet6_addr_add+0x30e/0xa40 [ 8758.606116][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8758.606116][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.606116][ T1076] netlink_rcv_skb+0x130/0x360 [ 8758.606116][ T1076] netlink_unicast+0x449/0x710 [ 8758.606116][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8758.606116][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8758.606116][ T1076] ___sys_sendmsg+0xee/0x170 [ 8758.606116][ T1076] __sys_sendmsg+0xcd/0x170 [ 8758.606116][ T1076] do_syscall_64+0xc6/0x1e0 [ 8758.606116][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.606116][ T1076] [ 8758.608590][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8758.608590][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8758.608590][ T1076] ipv6_find_idev+0x102/0x170 [ 8758.608590][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8758.608590][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.608590][ T1076] netlink_rcv_skb+0x130/0x360 [ 8758.608590][ T1076] netlink_unicast+0x449/0x710 [ 8758.608590][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8758.608590][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8758.608590][ T1076] ___sys_sendmsg+0xee/0x170 [ 8758.608590][ T1076] __sys_sendmsg+0xcd/0x170 [ 8758.608590][ T1076] do_syscall_64+0xc6/0x1e0 [ 8758.608590][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.608590][ T1076] [ 8758.610480][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8758.610480][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8758.610480][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8758.610480][ T1076] ipv6_find_idev+0x102/0x170 [ 8758.610480][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8758.610480][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8758.610480][ T1076] netlink_rcv_skb+0x130/0x360 [ 8758.610480][ T1076] netlink_unicast+0x449/0x710 [ 8758.610480][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8758.610480][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8758.610480][ T1076] ___sys_sendmsg+0xee/0x170 [ 8758.610480][ T1076] __sys_sendmsg+0xcd/0x170 [ 8758.610480][ T1076] do_syscall_64+0xc6/0x1e0 [ 8758.610480][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8758.610480][ T1076] [ 8760.781700][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8760.782080][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8760.782080][ T73] dst_init+0x84/0x4a0 [ 8760.782080][ T73] dst_alloc+0x97/0x150 [ 8760.782080][ T73] ip6_dst_alloc+0x23/0x90 [ 8760.782080][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8760.782080][ T73] ip6_pol_route+0x56f/0x840 [ 8760.782080][ T73] fib6_rule_lookup+0x456/0x630 [ 8760.782080][ T73] ip6_route_input+0x59c/0xa50 [ 8760.782080][ T73] ipv6_rcv+0x397/0x810 [ 8760.782080][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8760.782080][ T73] process_backlog+0x101/0x620 [ 8760.782080][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8760.782080][ T73] net_rx_action+0x495/0xbe0 [ 8760.782080][ T73] __do_softirq+0x1b5/0x7f6 [ 8760.782080][ T73] [ 8760.783778][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8760.783778][ T73] netdev_get_by_index+0x5e/0x80 [ 8760.783778][ T73] fib6_nh_init+0x3d8/0x1580 [ 8760.783778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8760.783778][ T73] ip6_route_add+0x1c/0x140 [ 8760.783778][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8760.783778][ T73] inet6_addr_add+0x4f8/0xa40 [ 8760.783778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8760.783778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.783778][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.783778][ T73] netlink_unicast+0x449/0x710 [ 8760.783778][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.783778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.783778][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.783778][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.783778][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.783778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.783778][ T73] [ 8760.785799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8760.785799][ T73] netdev_get_by_index+0x5e/0x80 [ 8760.785799][ T73] fib6_nh_init+0x3d8/0x1580 [ 8760.785799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8760.785799][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8760.785799][ T73] ipv6_add_addr+0x411/0x2000 [ 8760.785799][ T73] inet6_addr_add+0x30e/0xa40 [ 8760.785799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8760.785799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.785799][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.785799][ T73] netlink_unicast+0x449/0x710 [ 8760.785799][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.785799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.785799][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.785799][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.785799][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.785799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.785799][ T73] [ 8760.787816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8760.787816][ T73] netdev_get_by_index+0x5e/0x80 [ 8760.787816][ T73] fib6_nh_init+0x3d8/0x1580 [ 8760.787816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8760.787816][ T73] ip6_route_add+0x1c/0x140 [ 8760.787816][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8760.787816][ T73] addrconf_add_dev+0xe2/0x170 [ 8760.787816][ T73] inet6_addr_add+0x12f/0xa40 [ 8760.787816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8760.787816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.787816][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.787816][ T73] netlink_unicast+0x449/0x710 [ 8760.787816][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.787816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.787816][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.787816][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.787816][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.787816][ T73] [ 8760.789803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8760.789803][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8760.789803][ T73] ipv6_find_idev+0x102/0x170 [ 8760.789803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8760.789803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.789803][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.789803][ T73] netlink_unicast+0x449/0x710 [ 8760.789803][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.789803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.789803][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.789803][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.789803][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.789803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.789803][ T73] [ 8760.791374][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8760.791374][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8760.791374][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8760.791374][ T73] ipv6_find_idev+0x102/0x170 [ 8760.791374][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8760.791374][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.791374][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.791374][ T73] netlink_unicast+0x449/0x710 [ 8760.791374][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.791374][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.791374][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.791374][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.791374][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.791374][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.791374][ T73] [ 8760.793100][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8760.793348][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8760.793348][ T73] dst_init+0x84/0x4a0 [ 8760.793348][ T73] dst_alloc+0x97/0x150 [ 8760.793348][ T73] ip6_dst_alloc+0x23/0x90 [ 8760.793348][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8760.793348][ T73] ip6_pol_route+0x56f/0x840 [ 8760.793348][ T73] fib6_rule_lookup+0x456/0x630 [ 8760.793348][ T73] ip6_route_input+0x59c/0xa50 [ 8760.793348][ T73] ipv6_rcv+0x397/0x810 [ 8760.793348][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8760.793348][ T73] process_backlog+0x101/0x620 [ 8760.793348][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8760.793348][ T73] net_rx_action+0x495/0xbe0 [ 8760.793348][ T73] __do_softirq+0x1b5/0x7f6 [ 8760.793348][ T73] [ 8760.794993][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8760.794993][ T73] netdev_get_by_index+0x5e/0x80 [ 8760.794993][ T73] fib6_nh_init+0x3d8/0x1580 [ 8760.794993][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8760.794993][ T73] ip6_route_add+0x1c/0x140 [ 8760.794993][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8760.794993][ T73] inet6_addr_add+0x4f8/0xa40 [ 8760.794993][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8760.794993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.794993][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.794993][ T73] netlink_unicast+0x449/0x710 [ 8760.794993][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.794993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.794993][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.794993][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.794993][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.794993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.794993][ T73] [ 8760.796997][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8760.796997][ T73] netdev_get_by_index+0x5e/0x80 [ 8760.796997][ T73] fib6_nh_init+0x3d8/0x1580 [ 8760.796997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8760.796997][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8760.796997][ T73] ipv6_add_addr+0x411/0x2000 [ 8760.796997][ T73] inet6_addr_add+0x30e/0xa40 [ 8760.796997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8760.796997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.796997][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.796997][ T73] netlink_unicast+0x449/0x710 [ 8760.796997][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.796997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.796997][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.796997][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.796997][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.796997][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.796997][ T73] [ 8760.799015][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8760.799015][ T73] netdev_get_by_index+0x5e/0x80 [ 8760.799015][ T73] fib6_nh_init+0x3d8/0x1580 [ 8760.799015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8760.799015][ T73] ip6_route_add+0x1c/0x140 [ 8760.799015][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8760.799015][ T73] addrconf_add_dev+0xe2/0x170 [ 8760.799015][ T73] inet6_addr_add+0x12f/0xa40 [ 8760.799015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8760.799015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.799015][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.799015][ T73] netlink_unicast+0x449/0x710 [ 8760.799015][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.799015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.799015][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.799015][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.799015][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.799015][ T73] [ 8760.800993][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8760.800993][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8760.800993][ T73] ipv6_find_idev+0x102/0x170 [ 8760.800993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8760.800993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.800993][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.800993][ T73] netlink_unicast+0x449/0x710 [ 8760.800993][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.800993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.800993][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.800993][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.800993][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.800993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.800993][ T73] [ 8760.802546][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8760.802546][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8760.802546][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8760.802546][ T73] ipv6_find_idev+0x102/0x170 [ 8760.802546][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8760.802546][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8760.802546][ T73] netlink_rcv_skb+0x130/0x360 [ 8760.802546][ T73] netlink_unicast+0x449/0x710 [ 8760.802546][ T73] netlink_sendmsg+0x723/0xbe0 [ 8760.802546][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8760.802546][ T73] ___sys_sendmsg+0xee/0x170 [ 8760.802546][ T73] __sys_sendmsg+0xcd/0x170 [ 8760.802546][ T73] do_syscall_64+0xc6/0x1e0 [ 8760.802546][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8760.802546][ T73] [ 8768.861702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8768.862262][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8768.862262][ T1076] netdev_get_by_index+0x5e/0x80 [ 8768.862262][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8768.862262][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8768.862262][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8768.862262][ T1076] ipv6_add_addr+0x411/0x2000 [ 8768.862262][ T1076] inet6_addr_add+0x30e/0xa40 [ 8768.862262][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8768.862262][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.862262][ T1076] netlink_rcv_skb+0x130/0x360 [ 8768.862262][ T1076] netlink_unicast+0x449/0x710 [ 8768.862262][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8768.862262][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8768.862262][ T1076] ___sys_sendmsg+0xee/0x170 [ 8768.862262][ T1076] __sys_sendmsg+0xcd/0x170 [ 8768.862262][ T1076] do_syscall_64+0xc6/0x1e0 [ 8768.862262][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.862262][ T1076] [ 8768.864579][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8768.864579][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8768.864579][ T1076] ipv6_find_idev+0x102/0x170 [ 8768.864579][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8768.864579][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.864579][ T1076] netlink_rcv_skb+0x130/0x360 [ 8768.864579][ T1076] netlink_unicast+0x449/0x710 [ 8768.864579][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8768.864579][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8768.864579][ T1076] ___sys_sendmsg+0xee/0x170 [ 8768.864579][ T1076] __sys_sendmsg+0xcd/0x170 [ 8768.864579][ T1076] do_syscall_64+0xc6/0x1e0 [ 8768.864579][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.864579][ T1076] [ 8768.866328][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8768.866328][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8768.866328][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8768.866328][ T1076] ipv6_find_idev+0x102/0x170 [ 8768.866328][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8768.866328][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8768.866328][ T1076] netlink_rcv_skb+0x130/0x360 [ 8768.866328][ T1076] netlink_unicast+0x449/0x710 [ 8768.866328][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8768.866328][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8768.866328][ T1076] ___sys_sendmsg+0xee/0x170 [ 8768.866328][ T1076] __sys_sendmsg+0xcd/0x170 [ 8768.866328][ T1076] do_syscall_64+0xc6/0x1e0 [ 8768.866328][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8768.866328][ T1076] [ 8770.813643][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8770.814094][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8770.814094][ T73] dst_init+0x84/0x4a0 [ 8770.814094][ T73] dst_alloc+0x97/0x150 [ 8770.814094][ T73] ip6_dst_alloc+0x23/0x90 [ 8770.814094][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8770.814094][ T73] ip6_pol_route+0x56f/0x840 [ 8770.814094][ T73] fib6_rule_lookup+0x456/0x630 [ 8770.814094][ T73] ip6_route_input+0x59c/0xa50 [ 8770.814094][ T73] ipv6_rcv+0x397/0x810 [ 8770.814094][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8770.814094][ T73] process_backlog+0x101/0x620 [ 8770.814094][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8770.814094][ T73] net_rx_action+0x495/0xbe0 [ 8770.814094][ T73] __do_softirq+0x1b5/0x7f6 [ 8770.814094][ T73] [ 8770.815777][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8770.815777][ T73] netdev_get_by_index+0x5e/0x80 [ 8770.815777][ T73] fib6_nh_init+0x3d8/0x1580 [ 8770.815777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8770.815777][ T73] ip6_route_add+0x1c/0x140 [ 8770.815777][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8770.815777][ T73] inet6_addr_add+0x4f8/0xa40 [ 8770.815777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.815777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.815777][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.815777][ T73] netlink_unicast+0x449/0x710 [ 8770.815777][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.815777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.815777][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.815777][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.815777][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.815777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.815777][ T73] [ 8770.817791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8770.817791][ T73] netdev_get_by_index+0x5e/0x80 [ 8770.817791][ T73] fib6_nh_init+0x3d8/0x1580 [ 8770.817791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8770.817791][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8770.817791][ T73] ipv6_add_addr+0x411/0x2000 [ 8770.817791][ T73] inet6_addr_add+0x30e/0xa40 [ 8770.817791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.817791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.817791][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.817791][ T73] netlink_unicast+0x449/0x710 [ 8770.817791][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.817791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.817791][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.817791][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.817791][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.817791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.817791][ T73] [ 8770.819838][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8770.819838][ T73] netdev_get_by_index+0x5e/0x80 [ 8770.819838][ T73] fib6_nh_init+0x3d8/0x1580 [ 8770.819838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8770.819838][ T73] ip6_route_add+0x1c/0x140 [ 8770.819838][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8770.819838][ T73] addrconf_add_dev+0xe2/0x170 [ 8770.819838][ T73] inet6_addr_add+0x12f/0xa40 [ 8770.819838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.819838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.819838][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.819838][ T73] netlink_unicast+0x449/0x710 [ 8770.819838][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.819838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.819838][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.819838][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.819838][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.819838][ T73] [ 8770.821808][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8770.821808][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8770.821808][ T73] ipv6_find_idev+0x102/0x170 [ 8770.821808][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.821808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.821808][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.821808][ T73] netlink_unicast+0x449/0x710 [ 8770.821808][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.821808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.821808][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.821808][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.821808][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.821808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.821808][ T73] [ 8770.823373][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8770.823373][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8770.823373][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8770.823373][ T73] ipv6_find_idev+0x102/0x170 [ 8770.823373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.823373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.823373][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.823373][ T73] netlink_unicast+0x449/0x710 [ 8770.823373][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.823373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.823373][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.823373][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.823373][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.823373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.823373][ T73] [ 8770.825085][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8770.825335][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8770.825335][ T73] dst_init+0x84/0x4a0 [ 8770.825335][ T73] dst_alloc+0x97/0x150 [ 8770.825335][ T73] ip6_dst_alloc+0x23/0x90 [ 8770.825335][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8770.825335][ T73] ip6_pol_route+0x56f/0x840 [ 8770.825335][ T73] fib6_rule_lookup+0x456/0x630 [ 8770.825335][ T73] ip6_route_input+0x59c/0xa50 [ 8770.825335][ T73] ipv6_rcv+0x397/0x810 [ 8770.825335][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8770.825335][ T73] process_backlog+0x101/0x620 [ 8770.825335][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8770.825335][ T73] net_rx_action+0x495/0xbe0 [ 8770.825335][ T73] __do_softirq+0x1b5/0x7f6 [ 8770.825335][ T73] [ 8770.826983][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8770.826983][ T73] netdev_get_by_index+0x5e/0x80 [ 8770.826983][ T73] fib6_nh_init+0x3d8/0x1580 [ 8770.826983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8770.826983][ T73] ip6_route_add+0x1c/0x140 [ 8770.826983][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8770.826983][ T73] inet6_addr_add+0x4f8/0xa40 [ 8770.826983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.826983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.826983][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.826983][ T73] netlink_unicast+0x449/0x710 [ 8770.826983][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.826983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.826983][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.826983][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.826983][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.826983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.826983][ T73] [ 8770.828986][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8770.828986][ T73] netdev_get_by_index+0x5e/0x80 [ 8770.828986][ T73] fib6_nh_init+0x3d8/0x1580 [ 8770.828986][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8770.828986][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8770.828986][ T73] ipv6_add_addr+0x411/0x2000 [ 8770.828986][ T73] inet6_addr_add+0x30e/0xa40 [ 8770.828986][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.828986][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.828986][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.828986][ T73] netlink_unicast+0x449/0x710 [ 8770.828986][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.828986][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.828986][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.828986][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.828986][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.828986][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.828986][ T73] [ 8770.830997][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8770.830997][ T73] netdev_get_by_index+0x5e/0x80 [ 8770.830997][ T73] fib6_nh_init+0x3d8/0x1580 [ 8770.830997][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8770.830997][ T73] ip6_route_add+0x1c/0x140 [ 8770.830997][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8770.830997][ T73] addrconf_add_dev+0xe2/0x170 [ 8770.830997][ T73] inet6_addr_add+0x12f/0xa40 [ 8770.830997][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8770.830997][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.830997][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.830997][ T73] netlink_unicast+0x449/0x710 [ 8770.830997][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.830997][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.830997][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.830997][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.830997][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.830997][ T73] [ 8770.832972][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8770.832972][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8770.832972][ T73] ipv6_find_idev+0x102/0x170 [ 8770.832972][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.832972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.832972][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.832972][ T73] netlink_unicast+0x449/0x710 [ 8770.832972][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.832972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.832972][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.832972][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.832972][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.832972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.832972][ T73] [ 8770.834516][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8770.834516][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8770.834516][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8770.834516][ T73] ipv6_find_idev+0x102/0x170 [ 8770.834516][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8770.834516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8770.834516][ T73] netlink_rcv_skb+0x130/0x360 [ 8770.834516][ T73] netlink_unicast+0x449/0x710 [ 8770.834516][ T73] netlink_sendmsg+0x723/0xbe0 [ 8770.834516][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8770.834516][ T73] ___sys_sendmsg+0xee/0x170 [ 8770.834516][ T73] __sys_sendmsg+0xcd/0x170 [ 8770.834516][ T73] do_syscall_64+0xc6/0x1e0 [ 8770.834516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8770.834516][ T73] [ 8779.117696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8779.118194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8779.118194][ T1076] netdev_get_by_index+0x5e/0x80 [ 8779.118194][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8779.118194][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8779.118194][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8779.118194][ T1076] ipv6_add_addr+0x411/0x2000 [ 8779.118194][ T1076] inet6_addr_add+0x30e/0xa40 [ 8779.118194][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8779.118194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8779.118194][ T1076] netlink_rcv_skb+0x130/0x360 [ 8779.118194][ T1076] netlink_unicast+0x449/0x710 [ 8779.118194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8779.118194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8779.118194][ T1076] ___sys_sendmsg+0xee/0x170 [ 8779.118194][ T1076] __sys_sendmsg+0xcd/0x170 [ 8779.118194][ T1076] do_syscall_64+0xc6/0x1e0 [ 8779.118194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8779.118194][ T1076] [ 8779.120485][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8779.120485][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8779.120485][ T1076] ipv6_find_idev+0x102/0x170 [ 8779.120485][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8779.120485][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8779.120485][ T1076] netlink_rcv_skb+0x130/0x360 [ 8779.120485][ T1076] netlink_unicast+0x449/0x710 [ 8779.120485][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8779.120485][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8779.120485][ T1076] ___sys_sendmsg+0xee/0x170 [ 8779.120485][ T1076] __sys_sendmsg+0xcd/0x170 [ 8779.120485][ T1076] do_syscall_64+0xc6/0x1e0 [ 8779.120485][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8779.120485][ T1076] [ 8779.122228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8779.122228][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8779.122228][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8779.122228][ T1076] ipv6_find_idev+0x102/0x170 [ 8779.122228][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8779.122228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8779.122228][ T1076] netlink_rcv_skb+0x130/0x360 [ 8779.122228][ T1076] netlink_unicast+0x449/0x710 [ 8779.122228][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8779.122228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8779.122228][ T1076] ___sys_sendmsg+0xee/0x170 [ 8779.122228][ T1076] __sys_sendmsg+0xcd/0x170 [ 8779.122228][ T1076] do_syscall_64+0xc6/0x1e0 [ 8779.122228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8779.122228][ T1076] [ 8780.925630][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8780.926058][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8780.926058][ T73] dst_init+0x84/0x4a0 [ 8780.926058][ T73] dst_alloc+0x97/0x150 [ 8780.926058][ T73] ip6_dst_alloc+0x23/0x90 [ 8780.926058][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8780.926058][ T73] ip6_pol_route+0x56f/0x840 [ 8780.926058][ T73] fib6_rule_lookup+0x456/0x630 [ 8780.926058][ T73] ip6_route_input+0x59c/0xa50 [ 8780.926058][ T73] ipv6_rcv+0x397/0x810 [ 8780.926058][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8780.926058][ T73] process_backlog+0x101/0x620 [ 8780.926058][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8780.926058][ T73] net_rx_action+0x495/0xbe0 [ 8780.926058][ T73] __do_softirq+0x1b5/0x7f6 [ 8780.926058][ T73] [ 8780.927716][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8780.927716][ T73] netdev_get_by_index+0x5e/0x80 [ 8780.927716][ T73] fib6_nh_init+0x3d8/0x1580 [ 8780.927716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8780.927716][ T73] ip6_route_add+0x1c/0x140 [ 8780.927716][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8780.927716][ T73] inet6_addr_add+0x4f8/0xa40 [ 8780.927716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.927716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.927716][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.927716][ T73] netlink_unicast+0x449/0x710 [ 8780.927716][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.927716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.927716][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.927716][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.927716][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.927716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.927716][ T73] [ 8780.929701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8780.929701][ T73] netdev_get_by_index+0x5e/0x80 [ 8780.929701][ T73] fib6_nh_init+0x3d8/0x1580 [ 8780.929701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8780.929701][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8780.929701][ T73] ipv6_add_addr+0x411/0x2000 [ 8780.929701][ T73] inet6_addr_add+0x30e/0xa40 [ 8780.929701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.929701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.929701][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.929701][ T73] netlink_unicast+0x449/0x710 [ 8780.929701][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.929701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.929701][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.929701][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.929701][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.929701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.929701][ T73] [ 8780.931677][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8780.931677][ T73] netdev_get_by_index+0x5e/0x80 [ 8780.931677][ T73] fib6_nh_init+0x3d8/0x1580 [ 8780.931677][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8780.931677][ T73] ip6_route_add+0x1c/0x140 [ 8780.931677][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8780.931677][ T73] addrconf_add_dev+0xe2/0x170 [ 8780.931677][ T73] inet6_addr_add+0x12f/0xa40 [ 8780.931677][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.931677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.931677][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.931677][ T73] netlink_unicast+0x449/0x710 [ 8780.931677][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.931677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.931677][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.931677][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.931677][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.931677][ T73] [ 8780.933633][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8780.933633][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8780.933633][ T73] ipv6_find_idev+0x102/0x170 [ 8780.933633][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.933633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.933633][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.933633][ T73] netlink_unicast+0x449/0x710 [ 8780.933633][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.933633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.933633][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.933633][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.933633][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.933633][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.933633][ T73] [ 8780.935158][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8780.935158][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8780.935158][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8780.935158][ T73] ipv6_find_idev+0x102/0x170 [ 8780.935158][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.935158][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.935158][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.935158][ T73] netlink_unicast+0x449/0x710 [ 8780.935158][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.935158][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.935158][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.935158][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.935158][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.935158][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.935158][ T73] [ 8780.936832][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8780.937069][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8780.937069][ T73] dst_init+0x84/0x4a0 [ 8780.937069][ T73] dst_alloc+0x97/0x150 [ 8780.937069][ T73] ip6_dst_alloc+0x23/0x90 [ 8780.937069][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8780.937069][ T73] ip6_pol_route+0x56f/0x840 [ 8780.937069][ T73] fib6_rule_lookup+0x456/0x630 [ 8780.937069][ T73] ip6_route_input+0x59c/0xa50 [ 8780.937069][ T73] ipv6_rcv+0x397/0x810 [ 8780.937069][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8780.937069][ T73] process_backlog+0x101/0x620 [ 8780.937069][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8780.937069][ T73] net_rx_action+0x495/0xbe0 [ 8780.937069][ T73] __do_softirq+0x1b5/0x7f6 [ 8780.937069][ T73] [ 8780.938692][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8780.938692][ T73] netdev_get_by_index+0x5e/0x80 [ 8780.938692][ T73] fib6_nh_init+0x3d8/0x1580 [ 8780.938692][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8780.938692][ T73] ip6_route_add+0x1c/0x140 [ 8780.938692][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8780.938692][ T73] inet6_addr_add+0x4f8/0xa40 [ 8780.938692][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.938692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.938692][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.938692][ T73] netlink_unicast+0x449/0x710 [ 8780.938692][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.938692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.938692][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.938692][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.938692][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.938692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.938692][ T73] [ 8780.940667][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8780.940667][ T73] netdev_get_by_index+0x5e/0x80 [ 8780.940667][ T73] fib6_nh_init+0x3d8/0x1580 [ 8780.940667][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8780.940667][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8780.940667][ T73] ipv6_add_addr+0x411/0x2000 [ 8780.940667][ T73] inet6_addr_add+0x30e/0xa40 [ 8780.940667][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.940667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.940667][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.940667][ T73] netlink_unicast+0x449/0x710 [ 8780.940667][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.940667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.940667][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.940667][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.940667][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.940667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.940667][ T73] [ 8780.942650][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8780.942650][ T73] netdev_get_by_index+0x5e/0x80 [ 8780.942650][ T73] fib6_nh_init+0x3d8/0x1580 [ 8780.942650][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8780.942650][ T73] ip6_route_add+0x1c/0x140 [ 8780.942650][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8780.942650][ T73] addrconf_add_dev+0xe2/0x170 [ 8780.942650][ T73] inet6_addr_add+0x12f/0xa40 [ 8780.942650][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8780.942650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.942650][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.942650][ T73] netlink_unicast+0x449/0x710 [ 8780.942650][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.942650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.942650][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.942650][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.942650][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.942650][ T73] [ 8780.944608][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8780.944608][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8780.944608][ T73] ipv6_find_idev+0x102/0x170 [ 8780.944608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.944608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.944608][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.944608][ T73] netlink_unicast+0x449/0x710 [ 8780.944608][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.944608][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.944608][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.944608][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.944608][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.944608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.944608][ T73] [ 8780.946128][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8780.946128][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8780.946128][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8780.946128][ T73] ipv6_find_idev+0x102/0x170 [ 8780.946128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8780.946128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8780.946128][ T73] netlink_rcv_skb+0x130/0x360 [ 8780.946128][ T73] netlink_unicast+0x449/0x710 [ 8780.946128][ T73] netlink_sendmsg+0x723/0xbe0 [ 8780.946128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8780.946128][ T73] ___sys_sendmsg+0xee/0x170 [ 8780.946128][ T73] __sys_sendmsg+0xcd/0x170 [ 8780.946128][ T73] do_syscall_64+0xc6/0x1e0 [ 8780.946128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8780.946128][ T73] [ 8789.373643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8789.374119][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8789.374119][ T1076] netdev_get_by_index+0x5e/0x80 [ 8789.374119][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8789.374119][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8789.374119][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8789.374119][ T1076] ipv6_add_addr+0x411/0x2000 [ 8789.374119][ T1076] inet6_addr_add+0x30e/0xa40 [ 8789.374119][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8789.374119][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8789.374119][ T1076] netlink_rcv_skb+0x130/0x360 [ 8789.374119][ T1076] netlink_unicast+0x449/0x710 [ 8789.374119][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8789.374119][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8789.374119][ T1076] ___sys_sendmsg+0xee/0x170 [ 8789.374119][ T1076] __sys_sendmsg+0xcd/0x170 [ 8789.374119][ T1076] do_syscall_64+0xc6/0x1e0 [ 8789.374119][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8789.374119][ T1076] [ 8789.376396][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8789.376396][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8789.376396][ T1076] ipv6_find_idev+0x102/0x170 [ 8789.376396][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8789.376396][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8789.376396][ T1076] netlink_rcv_skb+0x130/0x360 [ 8789.376396][ T1076] netlink_unicast+0x449/0x710 [ 8789.376396][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8789.376396][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8789.376396][ T1076] ___sys_sendmsg+0xee/0x170 [ 8789.376396][ T1076] __sys_sendmsg+0xcd/0x170 [ 8789.376396][ T1076] do_syscall_64+0xc6/0x1e0 [ 8789.376396][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8789.376396][ T1076] [ 8789.378161][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8789.378161][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8789.378161][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8789.378161][ T1076] ipv6_find_idev+0x102/0x170 [ 8789.378161][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8789.378161][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8789.378161][ T1076] netlink_rcv_skb+0x130/0x360 [ 8789.378161][ T1076] netlink_unicast+0x449/0x710 [ 8789.378161][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8789.378161][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8789.378161][ T1076] ___sys_sendmsg+0xee/0x170 [ 8789.378161][ T1076] __sys_sendmsg+0xcd/0x170 [ 8789.378161][ T1076] do_syscall_64+0xc6/0x1e0 [ 8789.378161][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8789.378161][ T1076] [ 8791.189623][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8791.190028][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8791.190028][ T73] dst_init+0x84/0x4a0 [ 8791.190028][ T73] dst_alloc+0x97/0x150 [ 8791.190028][ T73] ip6_dst_alloc+0x23/0x90 [ 8791.190028][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8791.190028][ T73] ip6_pol_route+0x56f/0x840 [ 8791.190028][ T73] fib6_rule_lookup+0x456/0x630 [ 8791.190028][ T73] ip6_route_input+0x59c/0xa50 [ 8791.190028][ T73] ipv6_rcv+0x397/0x810 [ 8791.190028][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8791.190028][ T73] process_backlog+0x101/0x620 [ 8791.190028][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8791.190028][ T73] net_rx_action+0x495/0xbe0 [ 8791.190028][ T73] __do_softirq+0x1b5/0x7f6 [ 8791.190028][ T73] [ 8791.191680][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8791.191680][ T73] netdev_get_by_index+0x5e/0x80 [ 8791.191680][ T73] fib6_nh_init+0x3d8/0x1580 [ 8791.191680][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8791.191680][ T73] ip6_route_add+0x1c/0x140 [ 8791.191680][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8791.191680][ T73] inet6_addr_add+0x4f8/0xa40 [ 8791.191680][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8791.191680][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.191680][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.191680][ T73] netlink_unicast+0x449/0x710 [ 8791.191680][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.191680][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.191680][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.191680][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.191680][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.191680][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.191680][ T73] [ 8791.193687][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8791.193687][ T73] netdev_get_by_index+0x5e/0x80 [ 8791.193687][ T73] fib6_nh_init+0x3d8/0x1580 [ 8791.193687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8791.193687][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8791.193687][ T73] ipv6_add_addr+0x411/0x2000 [ 8791.193687][ T73] inet6_addr_add+0x30e/0xa40 [ 8791.193687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8791.193687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.193687][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.193687][ T73] netlink_unicast+0x449/0x710 [ 8791.193687][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.193687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.193687][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.193687][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.193687][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.193687][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.193687][ T73] [ 8791.195671][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8791.195671][ T73] netdev_get_by_index+0x5e/0x80 [ 8791.195671][ T73] fib6_nh_init+0x3d8/0x1580 [ 8791.195671][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8791.195671][ T73] ip6_route_add+0x1c/0x140 [ 8791.195671][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8791.195671][ T73] addrconf_add_dev+0xe2/0x170 [ 8791.195671][ T73] inet6_addr_add+0x12f/0xa40 [ 8791.195671][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8791.195671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.195671][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.195671][ T73] netlink_unicast+0x449/0x710 [ 8791.195671][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.195671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.195671][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.195671][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.195671][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.195671][ T73] [ 8791.197769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8791.197769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8791.197769][ T73] ipv6_find_idev+0x102/0x170 [ 8791.197769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8791.197769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.197769][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.197769][ T73] netlink_unicast+0x449/0x710 [ 8791.197769][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.197769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.197769][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.197769][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.197769][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.197769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.197769][ T73] [ 8791.199325][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8791.199325][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8791.199325][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8791.199325][ T73] ipv6_find_idev+0x102/0x170 [ 8791.199325][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8791.199325][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.199325][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.199325][ T73] netlink_unicast+0x449/0x710 [ 8791.199325][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.199325][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.199325][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.199325][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.199325][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.199325][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.199325][ T73] [ 8791.201010][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8791.201245][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8791.201245][ T73] dst_init+0x84/0x4a0 [ 8791.201245][ T73] dst_alloc+0x97/0x150 [ 8791.201245][ T73] ip6_dst_alloc+0x23/0x90 [ 8791.201245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8791.201245][ T73] ip6_pol_route+0x56f/0x840 [ 8791.201245][ T73] fib6_rule_lookup+0x456/0x630 [ 8791.201245][ T73] ip6_route_input+0x59c/0xa50 [ 8791.201245][ T73] ipv6_rcv+0x397/0x810 [ 8791.201245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8791.201245][ T73] process_backlog+0x101/0x620 [ 8791.201245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8791.201245][ T73] net_rx_action+0x495/0xbe0 [ 8791.201245][ T73] __do_softirq+0x1b5/0x7f6 [ 8791.201245][ T73] [ 8791.202882][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8791.202882][ T73] netdev_get_by_index+0x5e/0x80 [ 8791.202882][ T73] fib6_nh_init+0x3d8/0x1580 [ 8791.202882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8791.202882][ T73] ip6_route_add+0x1c/0x140 [ 8791.202882][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8791.202882][ T73] inet6_addr_add+0x4f8/0xa40 [ 8791.202882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8791.202882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.202882][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.202882][ T73] netlink_unicast+0x449/0x710 [ 8791.202882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.202882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.202882][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.202882][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.202882][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.202882][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.202882][ T73] [ 8791.205004][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8791.205004][ T73] netdev_get_by_index+0x5e/0x80 [ 8791.205004][ T73] fib6_nh_init+0x3d8/0x1580 [ 8791.205004][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8791.205004][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8791.205004][ T73] ipv6_add_addr+0x411/0x2000 [ 8791.205004][ T73] inet6_addr_add+0x30e/0xa40 [ 8791.205004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8791.205004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.205004][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.205004][ T73] netlink_unicast+0x449/0x710 [ 8791.205004][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.205004][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.205004][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.205004][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.205004][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.205004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.205004][ T73] [ 8791.207138][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8791.207138][ T73] netdev_get_by_index+0x5e/0x80 [ 8791.207138][ T73] fib6_nh_init+0x3d8/0x1580 [ 8791.207138][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8791.207138][ T73] ip6_route_add+0x1c/0x140 [ 8791.207138][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8791.207138][ T73] addrconf_add_dev+0xe2/0x170 [ 8791.207138][ T73] inet6_addr_add+0x12f/0xa40 [ 8791.207138][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8791.207138][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.207138][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.207138][ T73] netlink_unicast+0x449/0x710 [ 8791.207138][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.207138][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.207138][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.207138][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.207138][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.207138][ T73] [ 8791.209093][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8791.209093][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8791.209093][ T73] ipv6_find_idev+0x102/0x170 [ 8791.209093][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8791.209093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.209093][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.209093][ T73] netlink_unicast+0x449/0x710 [ 8791.209093][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.209093][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.209093][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.209093][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.209093][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.209093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.209093][ T73] [ 8791.210635][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8791.210635][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8791.210635][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8791.210635][ T73] ipv6_find_idev+0x102/0x170 [ 8791.210635][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8791.210635][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8791.210635][ T73] netlink_rcv_skb+0x130/0x360 [ 8791.210635][ T73] netlink_unicast+0x449/0x710 [ 8791.210635][ T73] netlink_sendmsg+0x723/0xbe0 [ 8791.210635][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8791.210635][ T73] ___sys_sendmsg+0xee/0x170 [ 8791.210635][ T73] __sys_sendmsg+0xcd/0x170 [ 8791.210635][ T73] do_syscall_64+0xc6/0x1e0 [ 8791.210635][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8791.210635][ T73] [ 8799.629696][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8799.630144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8799.630144][ T1076] netdev_get_by_index+0x5e/0x80 [ 8799.630144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8799.630144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8799.630144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8799.630144][ T1076] ipv6_add_addr+0x411/0x2000 [ 8799.630144][ T1076] inet6_addr_add+0x30e/0xa40 [ 8799.630144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8799.630144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8799.630144][ T1076] netlink_rcv_skb+0x130/0x360 [ 8799.630144][ T1076] netlink_unicast+0x449/0x710 [ 8799.630144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8799.630144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8799.630144][ T1076] ___sys_sendmsg+0xee/0x170 [ 8799.630144][ T1076] __sys_sendmsg+0xcd/0x170 [ 8799.630144][ T1076] do_syscall_64+0xc6/0x1e0 [ 8799.630144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8799.630144][ T1076] [ 8799.632411][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8799.632411][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8799.632411][ T1076] ipv6_find_idev+0x102/0x170 [ 8799.632411][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8799.632411][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8799.632411][ T1076] netlink_rcv_skb+0x130/0x360 [ 8799.632411][ T1076] netlink_unicast+0x449/0x710 [ 8799.632411][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8799.632411][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8799.632411][ T1076] ___sys_sendmsg+0xee/0x170 [ 8799.632411][ T1076] __sys_sendmsg+0xcd/0x170 [ 8799.632411][ T1076] do_syscall_64+0xc6/0x1e0 [ 8799.632411][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8799.632411][ T1076] [ 8799.634181][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8799.634181][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8799.634181][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8799.634181][ T1076] ipv6_find_idev+0x102/0x170 [ 8799.634181][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8799.634181][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8799.634181][ T1076] netlink_rcv_skb+0x130/0x360 [ 8799.634181][ T1076] netlink_unicast+0x449/0x710 [ 8799.634181][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8799.634181][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8799.634181][ T1076] ___sys_sendmsg+0xee/0x170 [ 8799.634181][ T1076] __sys_sendmsg+0xcd/0x170 [ 8799.634181][ T1076] do_syscall_64+0xc6/0x1e0 [ 8799.634181][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8799.634181][ T1076] [ 8801.453643][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8801.454159][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8801.454159][ T73] dst_init+0x84/0x4a0 [ 8801.454159][ T73] dst_alloc+0x97/0x150 [ 8801.454159][ T73] ip6_dst_alloc+0x23/0x90 [ 8801.454159][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8801.454159][ T73] ip6_pol_route+0x56f/0x840 [ 8801.454159][ T73] fib6_rule_lookup+0x456/0x630 [ 8801.454159][ T73] ip6_route_input+0x59c/0xa50 [ 8801.454159][ T73] ipv6_rcv+0x397/0x810 [ 8801.454159][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8801.454159][ T73] process_backlog+0x101/0x620 [ 8801.454159][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8801.454159][ T73] net_rx_action+0x495/0xbe0 [ 8801.454159][ T73] __do_softirq+0x1b5/0x7f6 [ 8801.454159][ T73] [ 8801.456881][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8801.456881][ T73] netdev_get_by_index+0x5e/0x80 [ 8801.456881][ T73] fib6_nh_init+0x3d8/0x1580 [ 8801.456881][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8801.456881][ T73] ip6_route_add+0x1c/0x140 [ 8801.456881][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8801.456881][ T73] inet6_addr_add+0x4f8/0xa40 [ 8801.456881][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8801.456881][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.456881][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.456881][ T73] netlink_unicast+0x449/0x710 [ 8801.456881][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.456881][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.456881][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.456881][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.456881][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.456881][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.456881][ T73] [ 8801.460175][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8801.460175][ T73] netdev_get_by_index+0x5e/0x80 [ 8801.460175][ T73] fib6_nh_init+0x3d8/0x1580 [ 8801.460175][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8801.460175][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8801.460175][ T73] ipv6_add_addr+0x411/0x2000 [ 8801.460175][ T73] inet6_addr_add+0x30e/0xa40 [ 8801.460175][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8801.460175][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.460175][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.460175][ T73] netlink_unicast+0x449/0x710 [ 8801.460175][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.460175][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.460175][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.460175][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.460175][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.460175][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.460175][ T73] [ 8801.463076][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8801.463076][ T73] netdev_get_by_index+0x5e/0x80 [ 8801.463076][ T73] fib6_nh_init+0x3d8/0x1580 [ 8801.463076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8801.463076][ T73] ip6_route_add+0x1c/0x140 [ 8801.463076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8801.463076][ T73] addrconf_add_dev+0xe2/0x170 [ 8801.463076][ T73] inet6_addr_add+0x12f/0xa40 [ 8801.463076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8801.463076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.463076][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.463076][ T73] netlink_unicast+0x449/0x710 [ 8801.463076][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.463076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.463076][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.463076][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.463076][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.463076][ T73] [ 8801.465037][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8801.465037][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8801.465037][ T73] ipv6_find_idev+0x102/0x170 [ 8801.465037][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8801.465037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.465037][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.465037][ T73] netlink_unicast+0x449/0x710 [ 8801.465037][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.465037][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.465037][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.465037][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.465037][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.465037][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.465037][ T73] [ 8801.466590][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8801.466590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8801.466590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8801.466590][ T73] ipv6_find_idev+0x102/0x170 [ 8801.466590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8801.466590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.466590][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.466590][ T73] netlink_unicast+0x449/0x710 [ 8801.466590][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.466590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.466590][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.466590][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.466590][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.466590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.466590][ T73] [ 8801.468293][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8801.468529][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8801.468529][ T73] dst_init+0x84/0x4a0 [ 8801.468529][ T73] dst_alloc+0x97/0x150 [ 8801.468529][ T73] ip6_dst_alloc+0x23/0x90 [ 8801.468529][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8801.468529][ T73] ip6_pol_route+0x56f/0x840 [ 8801.468529][ T73] fib6_rule_lookup+0x456/0x630 [ 8801.468529][ T73] ip6_route_input+0x59c/0xa50 [ 8801.468529][ T73] ipv6_rcv+0x397/0x810 [ 8801.468529][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8801.468529][ T73] process_backlog+0x101/0x620 [ 8801.468529][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8801.468529][ T73] net_rx_action+0x495/0xbe0 [ 8801.468529][ T73] __do_softirq+0x1b5/0x7f6 [ 8801.468529][ T73] [ 8801.470161][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8801.470161][ T73] netdev_get_by_index+0x5e/0x80 [ 8801.470161][ T73] fib6_nh_init+0x3d8/0x1580 [ 8801.470161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8801.470161][ T73] ip6_route_add+0x1c/0x140 [ 8801.470161][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8801.470161][ T73] inet6_addr_add+0x4f8/0xa40 [ 8801.470161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8801.470161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.470161][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.470161][ T73] netlink_unicast+0x449/0x710 [ 8801.470161][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.470161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.470161][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.470161][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.470161][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.470161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.470161][ T73] [ 8801.472154][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8801.472154][ T73] netdev_get_by_index+0x5e/0x80 [ 8801.472154][ T73] fib6_nh_init+0x3d8/0x1580 [ 8801.472154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8801.472154][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8801.472154][ T73] ipv6_add_addr+0x411/0x2000 [ 8801.472154][ T73] inet6_addr_add+0x30e/0xa40 [ 8801.472154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8801.472154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.472154][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.472154][ T73] netlink_unicast+0x449/0x710 [ 8801.472154][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.472154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.472154][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.472154][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.472154][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.472154][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.472154][ T73] [ 8801.474188][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8801.474188][ T73] netdev_get_by_index+0x5e/0x80 [ 8801.474188][ T73] fib6_nh_init+0x3d8/0x1580 [ 8801.474188][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8801.474188][ T73] ip6_route_add+0x1c/0x140 [ 8801.474188][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8801.474188][ T73] addrconf_add_dev+0xe2/0x170 [ 8801.474188][ T73] inet6_addr_add+0x12f/0xa40 [ 8801.474188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8801.474188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.474188][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.474188][ T73] netlink_unicast+0x449/0x710 [ 8801.474188][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.474188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.474188][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.474188][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.474188][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.474188][ T73] [ 8801.476146][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8801.476146][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8801.476146][ T73] ipv6_find_idev+0x102/0x170 [ 8801.476146][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8801.476146][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.476146][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.476146][ T73] netlink_unicast+0x449/0x710 [ 8801.476146][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.476146][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.476146][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.476146][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.476146][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.476146][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.476146][ T73] [ 8801.477689][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8801.477689][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8801.477689][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8801.477689][ T73] ipv6_find_idev+0x102/0x170 [ 8801.477689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8801.477689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8801.477689][ T73] netlink_rcv_skb+0x130/0x360 [ 8801.477689][ T73] netlink_unicast+0x449/0x710 [ 8801.477689][ T73] netlink_sendmsg+0x723/0xbe0 [ 8801.477689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8801.477689][ T73] ___sys_sendmsg+0xee/0x170 [ 8801.477689][ T73] __sys_sendmsg+0xcd/0x170 [ 8801.477689][ T73] do_syscall_64+0xc6/0x1e0 [ 8801.477689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8801.477689][ T73] [ 8809.885724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8809.886202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8809.886202][ T1076] netdev_get_by_index+0x5e/0x80 [ 8809.886202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8809.886202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8809.886202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8809.886202][ T1076] ipv6_add_addr+0x411/0x2000 [ 8809.886202][ T1076] inet6_addr_add+0x30e/0xa40 [ 8809.886202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8809.886202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.886202][ T1076] netlink_rcv_skb+0x130/0x360 [ 8809.886202][ T1076] netlink_unicast+0x449/0x710 [ 8809.886202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8809.886202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8809.886202][ T1076] ___sys_sendmsg+0xee/0x170 [ 8809.886202][ T1076] __sys_sendmsg+0xcd/0x170 [ 8809.886202][ T1076] do_syscall_64+0xc6/0x1e0 [ 8809.886202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.886202][ T1076] [ 8809.888748][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8809.888748][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8809.888748][ T1076] ipv6_find_idev+0x102/0x170 [ 8809.888748][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8809.888748][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.888748][ T1076] netlink_rcv_skb+0x130/0x360 [ 8809.888748][ T1076] netlink_unicast+0x449/0x710 [ 8809.888748][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8809.888748][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8809.888748][ T1076] ___sys_sendmsg+0xee/0x170 [ 8809.888748][ T1076] __sys_sendmsg+0xcd/0x170 [ 8809.888748][ T1076] do_syscall_64+0xc6/0x1e0 [ 8809.888748][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.888748][ T1076] [ 8809.890646][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8809.890646][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8809.890646][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8809.890646][ T1076] ipv6_find_idev+0x102/0x170 [ 8809.890646][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8809.890646][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8809.890646][ T1076] netlink_rcv_skb+0x130/0x360 [ 8809.890646][ T1076] netlink_unicast+0x449/0x710 [ 8809.890646][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8809.890646][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8809.890646][ T1076] ___sys_sendmsg+0xee/0x170 [ 8809.890646][ T1076] __sys_sendmsg+0xcd/0x170 [ 8809.890646][ T1076] do_syscall_64+0xc6/0x1e0 [ 8809.890646][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8809.890646][ T1076] [ 8811.717742][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8811.718136][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8811.718136][ T73] dst_init+0x84/0x4a0 [ 8811.718136][ T73] dst_alloc+0x97/0x150 [ 8811.718136][ T73] ip6_dst_alloc+0x23/0x90 [ 8811.718136][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8811.718136][ T73] ip6_pol_route+0x56f/0x840 [ 8811.718136][ T73] fib6_rule_lookup+0x456/0x630 [ 8811.718136][ T73] ip6_route_input+0x59c/0xa50 [ 8811.718136][ T73] ipv6_rcv+0x397/0x810 [ 8811.718136][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8811.718136][ T73] process_backlog+0x101/0x620 [ 8811.718136][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8811.718136][ T73] net_rx_action+0x495/0xbe0 [ 8811.718136][ T73] __do_softirq+0x1b5/0x7f6 [ 8811.718136][ T73] [ 8811.719984][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8811.719984][ T73] netdev_get_by_index+0x5e/0x80 [ 8811.719984][ T73] fib6_nh_init+0x3d8/0x1580 [ 8811.719984][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8811.719984][ T73] ip6_route_add+0x1c/0x140 [ 8811.719984][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8811.719984][ T73] inet6_addr_add+0x4f8/0xa40 [ 8811.719984][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.719984][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.719984][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.719984][ T73] netlink_unicast+0x449/0x710 [ 8811.719984][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.719984][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.719984][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.719984][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.719984][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.719984][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.719984][ T73] [ 8811.721981][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8811.721981][ T73] netdev_get_by_index+0x5e/0x80 [ 8811.721981][ T73] fib6_nh_init+0x3d8/0x1580 [ 8811.721981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8811.721981][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8811.721981][ T73] ipv6_add_addr+0x411/0x2000 [ 8811.721981][ T73] inet6_addr_add+0x30e/0xa40 [ 8811.721981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.721981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.721981][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.721981][ T73] netlink_unicast+0x449/0x710 [ 8811.721981][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.721981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.721981][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.721981][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.721981][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.721981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.721981][ T73] [ 8811.723983][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8811.723983][ T73] netdev_get_by_index+0x5e/0x80 [ 8811.723983][ T73] fib6_nh_init+0x3d8/0x1580 [ 8811.723983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8811.723983][ T73] ip6_route_add+0x1c/0x140 [ 8811.723983][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8811.723983][ T73] addrconf_add_dev+0xe2/0x170 [ 8811.723983][ T73] inet6_addr_add+0x12f/0xa40 [ 8811.723983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.723983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.723983][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.723983][ T73] netlink_unicast+0x449/0x710 [ 8811.723983][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.723983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.723983][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.723983][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.723983][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.723983][ T73] [ 8811.725923][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8811.725923][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8811.725923][ T73] ipv6_find_idev+0x102/0x170 [ 8811.725923][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8811.725923][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.725923][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.725923][ T73] netlink_unicast+0x449/0x710 [ 8811.725923][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.725923][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.725923][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.725923][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.725923][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.725923][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.725923][ T73] [ 8811.727460][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8811.727460][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8811.727460][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8811.727460][ T73] ipv6_find_idev+0x102/0x170 [ 8811.727460][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8811.727460][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.727460][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.727460][ T73] netlink_unicast+0x449/0x710 [ 8811.727460][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.727460][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.727460][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.727460][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.727460][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.727460][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.727460][ T73] [ 8811.729127][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8811.729362][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8811.729362][ T73] dst_init+0x84/0x4a0 [ 8811.729362][ T73] dst_alloc+0x97/0x150 [ 8811.729362][ T73] ip6_dst_alloc+0x23/0x90 [ 8811.729362][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8811.729362][ T73] ip6_pol_route+0x56f/0x840 [ 8811.729362][ T73] fib6_rule_lookup+0x456/0x630 [ 8811.729362][ T73] ip6_route_input+0x59c/0xa50 [ 8811.729362][ T73] ipv6_rcv+0x397/0x810 [ 8811.729362][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8811.729362][ T73] process_backlog+0x101/0x620 [ 8811.729362][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8811.729362][ T73] net_rx_action+0x495/0xbe0 [ 8811.729362][ T73] __do_softirq+0x1b5/0x7f6 [ 8811.729362][ T73] [ 8811.730983][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8811.730983][ T73] netdev_get_by_index+0x5e/0x80 [ 8811.730983][ T73] fib6_nh_init+0x3d8/0x1580 [ 8811.730983][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8811.730983][ T73] ip6_route_add+0x1c/0x140 [ 8811.730983][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8811.730983][ T73] inet6_addr_add+0x4f8/0xa40 [ 8811.730983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.730983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.730983][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.730983][ T73] netlink_unicast+0x449/0x710 [ 8811.730983][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.730983][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.730983][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.730983][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.730983][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.730983][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.730983][ T73] [ 8811.732965][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8811.732965][ T73] netdev_get_by_index+0x5e/0x80 [ 8811.732965][ T73] fib6_nh_init+0x3d8/0x1580 [ 8811.732965][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8811.732965][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8811.732965][ T73] ipv6_add_addr+0x411/0x2000 [ 8811.732965][ T73] inet6_addr_add+0x30e/0xa40 [ 8811.732965][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.732965][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.732965][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.732965][ T73] netlink_unicast+0x449/0x710 [ 8811.732965][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.732965][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.732965][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.732965][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.732965][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.732965][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.732965][ T73] [ 8811.734944][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8811.734944][ T73] netdev_get_by_index+0x5e/0x80 [ 8811.734944][ T73] fib6_nh_init+0x3d8/0x1580 [ 8811.734944][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8811.734944][ T73] ip6_route_add+0x1c/0x140 [ 8811.734944][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8811.734944][ T73] addrconf_add_dev+0xe2/0x170 [ 8811.734944][ T73] inet6_addr_add+0x12f/0xa40 [ 8811.734944][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8811.734944][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.734944][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.734944][ T73] netlink_unicast+0x449/0x710 [ 8811.734944][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.734944][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.734944][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.734944][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.734944][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.734944][ T73] [ 8811.736891][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8811.736891][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8811.736891][ T73] ipv6_find_idev+0x102/0x170 [ 8811.736891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8811.736891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.736891][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.736891][ T73] netlink_unicast+0x449/0x710 [ 8811.736891][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.736891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.736891][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.736891][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.736891][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.736891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.736891][ T73] [ 8811.738417][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8811.738417][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8811.738417][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8811.738417][ T73] ipv6_find_idev+0x102/0x170 [ 8811.738417][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8811.738417][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8811.738417][ T73] netlink_rcv_skb+0x130/0x360 [ 8811.738417][ T73] netlink_unicast+0x449/0x710 [ 8811.738417][ T73] netlink_sendmsg+0x723/0xbe0 [ 8811.738417][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8811.738417][ T73] ___sys_sendmsg+0xee/0x170 [ 8811.738417][ T73] __sys_sendmsg+0xcd/0x170 [ 8811.738417][ T73] do_syscall_64+0xc6/0x1e0 [ 8811.738417][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8811.738417][ T73] [ 8820.141634][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8820.142138][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8820.142138][ T1076] netdev_get_by_index+0x5e/0x80 [ 8820.142138][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8820.142138][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8820.142138][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8820.142138][ T1076] ipv6_add_addr+0x411/0x2000 [ 8820.142138][ T1076] inet6_addr_add+0x30e/0xa40 [ 8820.142138][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8820.142138][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8820.142138][ T1076] netlink_rcv_skb+0x130/0x360 [ 8820.142138][ T1076] netlink_unicast+0x449/0x710 [ 8820.142138][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8820.142138][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8820.142138][ T1076] ___sys_sendmsg+0xee/0x170 [ 8820.142138][ T1076] __sys_sendmsg+0xcd/0x170 [ 8820.142138][ T1076] do_syscall_64+0xc6/0x1e0 [ 8820.142138][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8820.142138][ T1076] [ 8820.144436][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8820.144436][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8820.144436][ T1076] ipv6_find_idev+0x102/0x170 [ 8820.144436][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8820.144436][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8820.144436][ T1076] netlink_rcv_skb+0x130/0x360 [ 8820.144436][ T1076] netlink_unicast+0x449/0x710 [ 8820.144436][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8820.144436][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8820.144436][ T1076] ___sys_sendmsg+0xee/0x170 [ 8820.144436][ T1076] __sys_sendmsg+0xcd/0x170 [ 8820.144436][ T1076] do_syscall_64+0xc6/0x1e0 [ 8820.144436][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8820.144436][ T1076] [ 8820.146179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8820.146179][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8820.146179][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8820.146179][ T1076] ipv6_find_idev+0x102/0x170 [ 8820.146179][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8820.146179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8820.146179][ T1076] netlink_rcv_skb+0x130/0x360 [ 8820.146179][ T1076] netlink_unicast+0x449/0x710 [ 8820.146179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8820.146179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8820.146179][ T1076] ___sys_sendmsg+0xee/0x170 [ 8820.146179][ T1076] __sys_sendmsg+0xcd/0x170 [ 8820.146179][ T1076] do_syscall_64+0xc6/0x1e0 [ 8820.146179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8820.146179][ T1076] [ 8821.981698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8821.982064][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8821.982064][ T73] dst_init+0x84/0x4a0 [ 8821.982064][ T73] dst_alloc+0x97/0x150 [ 8821.982064][ T73] ip6_dst_alloc+0x23/0x90 [ 8821.982064][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8821.982064][ T73] ip6_pol_route+0x56f/0x840 [ 8821.982064][ T73] fib6_rule_lookup+0x456/0x630 [ 8821.982064][ T73] ip6_route_input+0x59c/0xa50 [ 8821.982064][ T73] ipv6_rcv+0x397/0x810 [ 8821.982064][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8821.982064][ T73] process_backlog+0x101/0x620 [ 8821.982064][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8821.982064][ T73] net_rx_action+0x495/0xbe0 [ 8821.982064][ T73] __do_softirq+0x1b5/0x7f6 [ 8821.982064][ T73] [ 8821.983907][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8821.983907][ T73] netdev_get_by_index+0x5e/0x80 [ 8821.983907][ T73] fib6_nh_init+0x3d8/0x1580 [ 8821.983907][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8821.983907][ T73] ip6_route_add+0x1c/0x140 [ 8821.983907][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8821.983907][ T73] inet6_addr_add+0x4f8/0xa40 [ 8821.983907][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.983907][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.983907][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.983907][ T73] netlink_unicast+0x449/0x710 [ 8821.983907][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.983907][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.983907][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.983907][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.983907][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.983907][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.983907][ T73] [ 8821.986168][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8821.986168][ T73] netdev_get_by_index+0x5e/0x80 [ 8821.986168][ T73] fib6_nh_init+0x3d8/0x1580 [ 8821.986168][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8821.986168][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8821.986168][ T73] ipv6_add_addr+0x411/0x2000 [ 8821.986168][ T73] inet6_addr_add+0x30e/0xa40 [ 8821.986168][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.986168][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.986168][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.986168][ T73] netlink_unicast+0x449/0x710 [ 8821.986168][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.986168][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.986168][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.986168][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.986168][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.986168][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.986168][ T73] [ 8821.988408][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8821.988408][ T73] netdev_get_by_index+0x5e/0x80 [ 8821.988408][ T73] fib6_nh_init+0x3d8/0x1580 [ 8821.988408][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8821.988408][ T73] ip6_route_add+0x1c/0x140 [ 8821.988408][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8821.988408][ T73] addrconf_add_dev+0xe2/0x170 [ 8821.988408][ T73] inet6_addr_add+0x12f/0xa40 [ 8821.988408][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.988408][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.988408][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.988408][ T73] netlink_unicast+0x449/0x710 [ 8821.988408][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.988408][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.988408][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.988408][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.988408][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.988408][ T73] [ 8821.990609][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8821.990609][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8821.990609][ T73] ipv6_find_idev+0x102/0x170 [ 8821.990609][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8821.990609][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.990609][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.990609][ T73] netlink_unicast+0x449/0x710 [ 8821.990609][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.990609][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.990609][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.990609][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.990609][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.990609][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.990609][ T73] [ 8821.992330][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8821.992330][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8821.992330][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8821.992330][ T73] ipv6_find_idev+0x102/0x170 [ 8821.992330][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8821.992330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.992330][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.992330][ T73] netlink_unicast+0x449/0x710 [ 8821.992330][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.992330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.992330][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.992330][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.992330][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.992330][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.992330][ T73] [ 8821.994127][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8821.994368][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8821.994368][ T73] dst_init+0x84/0x4a0 [ 8821.994368][ T73] dst_alloc+0x97/0x150 [ 8821.994368][ T73] ip6_dst_alloc+0x23/0x90 [ 8821.994368][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8821.994368][ T73] ip6_pol_route+0x56f/0x840 [ 8821.994368][ T73] fib6_rule_lookup+0x456/0x630 [ 8821.994368][ T73] ip6_route_input+0x59c/0xa50 [ 8821.994368][ T73] ipv6_rcv+0x397/0x810 [ 8821.994368][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8821.994368][ T73] process_backlog+0x101/0x620 [ 8821.994368][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8821.994368][ T73] net_rx_action+0x495/0xbe0 [ 8821.994368][ T73] __do_softirq+0x1b5/0x7f6 [ 8821.994368][ T73] [ 8821.996196][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8821.996196][ T73] netdev_get_by_index+0x5e/0x80 [ 8821.996196][ T73] fib6_nh_init+0x3d8/0x1580 [ 8821.996196][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8821.996196][ T73] ip6_route_add+0x1c/0x140 [ 8821.996196][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8821.996196][ T73] inet6_addr_add+0x4f8/0xa40 [ 8821.996196][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.996196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.996196][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.996196][ T73] netlink_unicast+0x449/0x710 [ 8821.996196][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.996196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.996196][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.996196][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.996196][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.996196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.996196][ T73] [ 8821.998431][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8821.998431][ T73] netdev_get_by_index+0x5e/0x80 [ 8821.998431][ T73] fib6_nh_init+0x3d8/0x1580 [ 8821.998431][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8821.998431][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8821.998431][ T73] ipv6_add_addr+0x411/0x2000 [ 8821.998431][ T73] inet6_addr_add+0x30e/0xa40 [ 8821.998431][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8821.998431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8821.998431][ T73] netlink_rcv_skb+0x130/0x360 [ 8821.998431][ T73] netlink_unicast+0x449/0x710 [ 8821.998431][ T73] netlink_sendmsg+0x723/0xbe0 [ 8821.998431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8821.998431][ T73] ___sys_sendmsg+0xee/0x170 [ 8821.998431][ T73] __sys_sendmsg+0xcd/0x170 [ 8821.998431][ T73] do_syscall_64+0xc6/0x1e0 [ 8821.998431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8821.998431][ T73] [ 8822.001183][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8822.001183][ T73] netdev_get_by_index+0x5e/0x80 [ 8822.001183][ T73] fib6_nh_init+0x3d8/0x1580 [ 8822.001183][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8822.001183][ T73] ip6_route_add+0x1c/0x140 [ 8822.001183][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8822.001183][ T73] addrconf_add_dev+0xe2/0x170 [ 8822.001183][ T73] inet6_addr_add+0x12f/0xa40 [ 8822.001183][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8822.001183][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8822.001183][ T73] netlink_rcv_skb+0x130/0x360 [ 8822.001183][ T73] netlink_unicast+0x449/0x710 [ 8822.001183][ T73] netlink_sendmsg+0x723/0xbe0 [ 8822.001183][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8822.001183][ T73] ___sys_sendmsg+0xee/0x170 [ 8822.001183][ T73] __sys_sendmsg+0xcd/0x170 [ 8822.001183][ T73] do_syscall_64+0xc6/0x1e0 [ 8822.001183][ T73] [ 8822.003389][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8822.003389][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8822.003389][ T73] ipv6_find_idev+0x102/0x170 [ 8822.003389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8822.003389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8822.003389][ T73] netlink_rcv_skb+0x130/0x360 [ 8822.003389][ T73] netlink_unicast+0x449/0x710 [ 8822.003389][ T73] netlink_sendmsg+0x723/0xbe0 [ 8822.003389][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8822.003389][ T73] ___sys_sendmsg+0xee/0x170 [ 8822.003389][ T73] __sys_sendmsg+0xcd/0x170 [ 8822.003389][ T73] do_syscall_64+0xc6/0x1e0 [ 8822.003389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8822.003389][ T73] [ 8822.005036][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8822.005036][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8822.005036][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8822.005036][ T73] ipv6_find_idev+0x102/0x170 [ 8822.005036][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8822.005036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8822.005036][ T73] netlink_rcv_skb+0x130/0x360 [ 8822.005036][ T73] netlink_unicast+0x449/0x710 [ 8822.005036][ T73] netlink_sendmsg+0x723/0xbe0 [ 8822.005036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8822.005036][ T73] ___sys_sendmsg+0xee/0x170 [ 8822.005036][ T73] __sys_sendmsg+0xcd/0x170 [ 8822.005036][ T73] do_syscall_64+0xc6/0x1e0 [ 8822.005036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8822.005036][ T73] [ 8830.397728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8830.398148][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8830.398148][ T1076] netdev_get_by_index+0x5e/0x80 [ 8830.398148][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8830.398148][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8830.398148][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8830.398148][ T1076] ipv6_add_addr+0x411/0x2000 [ 8830.398148][ T1076] inet6_addr_add+0x30e/0xa40 [ 8830.398148][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8830.398148][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8830.398148][ T1076] netlink_rcv_skb+0x130/0x360 [ 8830.398148][ T1076] netlink_unicast+0x449/0x710 [ 8830.398148][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8830.398148][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8830.398148][ T1076] ___sys_sendmsg+0xee/0x170 [ 8830.398148][ T1076] __sys_sendmsg+0xcd/0x170 [ 8830.398148][ T1076] do_syscall_64+0xc6/0x1e0 [ 8830.398148][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8830.398148][ T1076] [ 8830.400398][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8830.400398][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8830.400398][ T1076] ipv6_find_idev+0x102/0x170 [ 8830.400398][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8830.400398][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8830.400398][ T1076] netlink_rcv_skb+0x130/0x360 [ 8830.400398][ T1076] netlink_unicast+0x449/0x710 [ 8830.400398][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8830.400398][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8830.400398][ T1076] ___sys_sendmsg+0xee/0x170 [ 8830.400398][ T1076] __sys_sendmsg+0xcd/0x170 [ 8830.400398][ T1076] do_syscall_64+0xc6/0x1e0 [ 8830.400398][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8830.400398][ T1076] [ 8830.402119][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8830.402119][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8830.402119][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8830.402119][ T1076] ipv6_find_idev+0x102/0x170 [ 8830.402119][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8830.402119][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8830.402119][ T1076] netlink_rcv_skb+0x130/0x360 [ 8830.402119][ T1076] netlink_unicast+0x449/0x710 [ 8830.402119][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8830.402119][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8830.402119][ T1076] ___sys_sendmsg+0xee/0x170 [ 8830.402119][ T1076] __sys_sendmsg+0xcd/0x170 [ 8830.402119][ T1076] do_syscall_64+0xc6/0x1e0 [ 8830.402119][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8830.402119][ T1076] [ 8832.245720][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8832.246156][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8832.246156][ T73] dst_init+0x84/0x4a0 [ 8832.246156][ T73] dst_alloc+0x97/0x150 [ 8832.246156][ T73] ip6_dst_alloc+0x23/0x90 [ 8832.246156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8832.246156][ T73] ip6_pol_route+0x56f/0x840 [ 8832.246156][ T73] fib6_rule_lookup+0x456/0x630 [ 8832.246156][ T73] ip6_route_input+0x59c/0xa50 [ 8832.246156][ T73] ipv6_rcv+0x397/0x810 [ 8832.246156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8832.246156][ T73] process_backlog+0x101/0x620 [ 8832.246156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8832.246156][ T73] net_rx_action+0x495/0xbe0 [ 8832.246156][ T73] __do_softirq+0x1b5/0x7f6 [ 8832.246156][ T73] [ 8832.247835][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8832.247835][ T73] netdev_get_by_index+0x5e/0x80 [ 8832.247835][ T73] fib6_nh_init+0x3d8/0x1580 [ 8832.247835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8832.247835][ T73] ip6_route_add+0x1c/0x140 [ 8832.247835][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8832.247835][ T73] inet6_addr_add+0x4f8/0xa40 [ 8832.247835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8832.247835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.247835][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.247835][ T73] netlink_unicast+0x449/0x710 [ 8832.247835][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.247835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.247835][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.247835][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.247835][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.247835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.247835][ T73] [ 8832.249863][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8832.249863][ T73] netdev_get_by_index+0x5e/0x80 [ 8832.249863][ T73] fib6_nh_init+0x3d8/0x1580 [ 8832.249863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8832.249863][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8832.249863][ T73] ipv6_add_addr+0x411/0x2000 [ 8832.249863][ T73] inet6_addr_add+0x30e/0xa40 [ 8832.249863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8832.249863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.249863][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.249863][ T73] netlink_unicast+0x449/0x710 [ 8832.249863][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.249863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.249863][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.249863][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.249863][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.249863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.249863][ T73] [ 8832.251877][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8832.251877][ T73] netdev_get_by_index+0x5e/0x80 [ 8832.251877][ T73] fib6_nh_init+0x3d8/0x1580 [ 8832.251877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8832.251877][ T73] ip6_route_add+0x1c/0x140 [ 8832.251877][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8832.251877][ T73] addrconf_add_dev+0xe2/0x170 [ 8832.251877][ T73] inet6_addr_add+0x12f/0xa40 [ 8832.251877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8832.251877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.251877][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.251877][ T73] netlink_unicast+0x449/0x710 [ 8832.251877][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.251877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.251877][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.251877][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.251877][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.251877][ T73] [ 8832.253880][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8832.253880][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8832.253880][ T73] ipv6_find_idev+0x102/0x170 [ 8832.253880][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8832.253880][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.253880][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.253880][ T73] netlink_unicast+0x449/0x710 [ 8832.253880][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.253880][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.253880][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.253880][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.253880][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.253880][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.253880][ T73] [ 8832.255450][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8832.255450][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8832.255450][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8832.255450][ T73] ipv6_find_idev+0x102/0x170 [ 8832.255450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8832.255450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.255450][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.255450][ T73] netlink_unicast+0x449/0x710 [ 8832.255450][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.255450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.255450][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.255450][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.255450][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.255450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.255450][ T73] [ 8832.257190][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8832.257438][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8832.257438][ T73] dst_init+0x84/0x4a0 [ 8832.257438][ T73] dst_alloc+0x97/0x150 [ 8832.257438][ T73] ip6_dst_alloc+0x23/0x90 [ 8832.257438][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8832.257438][ T73] ip6_pol_route+0x56f/0x840 [ 8832.257438][ T73] fib6_rule_lookup+0x456/0x630 [ 8832.257438][ T73] ip6_route_input+0x59c/0xa50 [ 8832.257438][ T73] ipv6_rcv+0x397/0x810 [ 8832.257438][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8832.257438][ T73] process_backlog+0x101/0x620 [ 8832.257438][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8832.257438][ T73] net_rx_action+0x495/0xbe0 [ 8832.257438][ T73] __do_softirq+0x1b5/0x7f6 [ 8832.257438][ T73] [ 8832.259106][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8832.259106][ T73] netdev_get_by_index+0x5e/0x80 [ 8832.259106][ T73] fib6_nh_init+0x3d8/0x1580 [ 8832.259106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8832.259106][ T73] ip6_route_add+0x1c/0x140 [ 8832.259106][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8832.259106][ T73] inet6_addr_add+0x4f8/0xa40 [ 8832.259106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8832.259106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.259106][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.259106][ T73] netlink_unicast+0x449/0x710 [ 8832.259106][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.259106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.259106][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.259106][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.259106][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.259106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.259106][ T73] [ 8832.261144][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8832.261144][ T73] netdev_get_by_index+0x5e/0x80 [ 8832.261144][ T73] fib6_nh_init+0x3d8/0x1580 [ 8832.261144][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8832.261144][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8832.261144][ T73] ipv6_add_addr+0x411/0x2000 [ 8832.261144][ T73] inet6_addr_add+0x30e/0xa40 [ 8832.261144][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8832.261144][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.261144][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.261144][ T73] netlink_unicast+0x449/0x710 [ 8832.261144][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.261144][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.261144][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.261144][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.261144][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.261144][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.261144][ T73] [ 8832.263264][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8832.263264][ T73] netdev_get_by_index+0x5e/0x80 [ 8832.263264][ T73] fib6_nh_init+0x3d8/0x1580 [ 8832.263264][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8832.263264][ T73] ip6_route_add+0x1c/0x140 [ 8832.263264][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8832.263264][ T73] addrconf_add_dev+0xe2/0x170 [ 8832.263264][ T73] inet6_addr_add+0x12f/0xa40 [ 8832.263264][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8832.263264][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.263264][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.263264][ T73] netlink_unicast+0x449/0x710 [ 8832.263264][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.263264][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.263264][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.263264][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.263264][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.263264][ T73] [ 8832.265256][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8832.265256][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8832.265256][ T73] ipv6_find_idev+0x102/0x170 [ 8832.265256][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8832.265256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.265256][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.265256][ T73] netlink_unicast+0x449/0x710 [ 8832.265256][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.265256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.265256][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.265256][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.265256][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.265256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.265256][ T73] [ 8832.266817][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8832.266817][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8832.266817][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8832.266817][ T73] ipv6_find_idev+0x102/0x170 [ 8832.266817][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8832.266817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8832.266817][ T73] netlink_rcv_skb+0x130/0x360 [ 8832.266817][ T73] netlink_unicast+0x449/0x710 [ 8832.266817][ T73] netlink_sendmsg+0x723/0xbe0 [ 8832.266817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8832.266817][ T73] ___sys_sendmsg+0xee/0x170 [ 8832.266817][ T73] __sys_sendmsg+0xcd/0x170 [ 8832.266817][ T73] do_syscall_64+0xc6/0x1e0 [ 8832.266817][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8832.266817][ T73] [ 8840.653703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8840.654136][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8840.654136][ T1076] netdev_get_by_index+0x5e/0x80 [ 8840.654136][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8840.654136][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8840.654136][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8840.654136][ T1076] ipv6_add_addr+0x411/0x2000 [ 8840.654136][ T1076] inet6_addr_add+0x30e/0xa40 [ 8840.654136][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8840.654136][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8840.654136][ T1076] netlink_rcv_skb+0x130/0x360 [ 8840.654136][ T1076] netlink_unicast+0x449/0x710 [ 8840.654136][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8840.654136][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8840.654136][ T1076] ___sys_sendmsg+0xee/0x170 [ 8840.654136][ T1076] __sys_sendmsg+0xcd/0x170 [ 8840.654136][ T1076] do_syscall_64+0xc6/0x1e0 [ 8840.654136][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8840.654136][ T1076] [ 8840.656384][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8840.656384][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8840.656384][ T1076] ipv6_find_idev+0x102/0x170 [ 8840.656384][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8840.656384][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8840.656384][ T1076] netlink_rcv_skb+0x130/0x360 [ 8840.656384][ T1076] netlink_unicast+0x449/0x710 [ 8840.656384][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8840.656384][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8840.656384][ T1076] ___sys_sendmsg+0xee/0x170 [ 8840.656384][ T1076] __sys_sendmsg+0xcd/0x170 [ 8840.656384][ T1076] do_syscall_64+0xc6/0x1e0 [ 8840.656384][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8840.656384][ T1076] [ 8840.658109][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8840.658109][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8840.658109][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8840.658109][ T1076] ipv6_find_idev+0x102/0x170 [ 8840.658109][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8840.658109][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8840.658109][ T1076] netlink_rcv_skb+0x130/0x360 [ 8840.658109][ T1076] netlink_unicast+0x449/0x710 [ 8840.658109][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8840.658109][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8840.658109][ T1076] ___sys_sendmsg+0xee/0x170 [ 8840.658109][ T1076] __sys_sendmsg+0xcd/0x170 [ 8840.658109][ T1076] do_syscall_64+0xc6/0x1e0 [ 8840.658109][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8840.658109][ T1076] [ 8842.509713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8842.510142][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8842.510142][ T73] dst_init+0x84/0x4a0 [ 8842.510142][ T73] dst_alloc+0x97/0x150 [ 8842.510142][ T73] ip6_dst_alloc+0x23/0x90 [ 8842.510142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8842.510142][ T73] ip6_pol_route+0x56f/0x840 [ 8842.510142][ T73] fib6_rule_lookup+0x456/0x630 [ 8842.510142][ T73] ip6_route_input+0x59c/0xa50 [ 8842.510142][ T73] ipv6_rcv+0x397/0x810 [ 8842.510142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8842.510142][ T73] process_backlog+0x101/0x620 [ 8842.510142][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8842.510142][ T73] net_rx_action+0x495/0xbe0 [ 8842.510142][ T73] __do_softirq+0x1b5/0x7f6 [ 8842.510142][ T73] [ 8842.511818][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8842.511818][ T73] netdev_get_by_index+0x5e/0x80 [ 8842.511818][ T73] fib6_nh_init+0x3d8/0x1580 [ 8842.511818][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8842.511818][ T73] ip6_route_add+0x1c/0x140 [ 8842.511818][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8842.511818][ T73] inet6_addr_add+0x4f8/0xa40 [ 8842.511818][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8842.511818][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.511818][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.511818][ T73] netlink_unicast+0x449/0x710 [ 8842.511818][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.511818][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.511818][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.511818][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.511818][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.511818][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.511818][ T73] [ 8842.513895][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8842.513895][ T73] netdev_get_by_index+0x5e/0x80 [ 8842.513895][ T73] fib6_nh_init+0x3d8/0x1580 [ 8842.513895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8842.513895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8842.513895][ T73] ipv6_add_addr+0x411/0x2000 [ 8842.513895][ T73] inet6_addr_add+0x30e/0xa40 [ 8842.513895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8842.513895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.513895][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.513895][ T73] netlink_unicast+0x449/0x710 [ 8842.513895][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.513895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.513895][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.513895][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.513895][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.513895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.513895][ T73] [ 8842.515942][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8842.515942][ T73] netdev_get_by_index+0x5e/0x80 [ 8842.515942][ T73] fib6_nh_init+0x3d8/0x1580 [ 8842.515942][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8842.515942][ T73] ip6_route_add+0x1c/0x140 [ 8842.515942][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8842.515942][ T73] addrconf_add_dev+0xe2/0x170 [ 8842.515942][ T73] inet6_addr_add+0x12f/0xa40 [ 8842.515942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8842.515942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.515942][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.515942][ T73] netlink_unicast+0x449/0x710 [ 8842.515942][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.515942][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.515942][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.515942][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.515942][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.515942][ T73] [ 8842.517959][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8842.517959][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8842.517959][ T73] ipv6_find_idev+0x102/0x170 [ 8842.517959][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8842.517959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.517959][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.517959][ T73] netlink_unicast+0x449/0x710 [ 8842.517959][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.517959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.517959][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.517959][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.517959][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.517959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.517959][ T73] [ 8842.519538][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8842.519538][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8842.519538][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8842.519538][ T73] ipv6_find_idev+0x102/0x170 [ 8842.519538][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8842.519538][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.519538][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.519538][ T73] netlink_unicast+0x449/0x710 [ 8842.519538][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.519538][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.519538][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.519538][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.519538][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.519538][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.519538][ T73] [ 8842.521277][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8842.521519][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8842.521519][ T73] dst_init+0x84/0x4a0 [ 8842.521519][ T73] dst_alloc+0x97/0x150 [ 8842.521519][ T73] ip6_dst_alloc+0x23/0x90 [ 8842.521519][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8842.521519][ T73] ip6_pol_route+0x56f/0x840 [ 8842.521519][ T73] fib6_rule_lookup+0x456/0x630 [ 8842.521519][ T73] ip6_route_input+0x59c/0xa50 [ 8842.521519][ T73] ipv6_rcv+0x397/0x810 [ 8842.521519][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8842.521519][ T73] process_backlog+0x101/0x620 [ 8842.521519][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8842.521519][ T73] net_rx_action+0x495/0xbe0 [ 8842.521519][ T73] __do_softirq+0x1b5/0x7f6 [ 8842.521519][ T73] [ 8842.523226][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8842.523226][ T73] netdev_get_by_index+0x5e/0x80 [ 8842.523226][ T73] fib6_nh_init+0x3d8/0x1580 [ 8842.523226][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8842.523226][ T73] ip6_route_add+0x1c/0x140 [ 8842.523226][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8842.523226][ T73] inet6_addr_add+0x4f8/0xa40 [ 8842.523226][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8842.523226][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.523226][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.523226][ T73] netlink_unicast+0x449/0x710 [ 8842.523226][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.523226][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.523226][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.523226][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.523226][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.523226][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.523226][ T73] [ 8842.525255][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8842.525255][ T73] netdev_get_by_index+0x5e/0x80 [ 8842.525255][ T73] fib6_nh_init+0x3d8/0x1580 [ 8842.525255][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8842.525255][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8842.525255][ T73] ipv6_add_addr+0x411/0x2000 [ 8842.525255][ T73] inet6_addr_add+0x30e/0xa40 [ 8842.525255][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8842.525255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.525255][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.525255][ T73] netlink_unicast+0x449/0x710 [ 8842.525255][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.525255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.525255][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.525255][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.525255][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.525255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.525255][ T73] [ 8842.527291][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8842.527291][ T73] netdev_get_by_index+0x5e/0x80 [ 8842.527291][ T73] fib6_nh_init+0x3d8/0x1580 [ 8842.527291][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8842.527291][ T73] ip6_route_add+0x1c/0x140 [ 8842.527291][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8842.527291][ T73] addrconf_add_dev+0xe2/0x170 [ 8842.527291][ T73] inet6_addr_add+0x12f/0xa40 [ 8842.527291][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8842.527291][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.527291][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.527291][ T73] netlink_unicast+0x449/0x710 [ 8842.527291][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.527291][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.527291][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.527291][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.527291][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.527291][ T73] [ 8842.529285][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8842.529285][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8842.529285][ T73] ipv6_find_idev+0x102/0x170 [ 8842.529285][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8842.529285][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.529285][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.529285][ T73] netlink_unicast+0x449/0x710 [ 8842.529285][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.529285][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.529285][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.529285][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.529285][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.529285][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.529285][ T73] [ 8842.530955][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8842.530955][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8842.530955][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8842.530955][ T73] ipv6_find_idev+0x102/0x170 [ 8842.530955][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8842.530955][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8842.530955][ T73] netlink_rcv_skb+0x130/0x360 [ 8842.530955][ T73] netlink_unicast+0x449/0x710 [ 8842.530955][ T73] netlink_sendmsg+0x723/0xbe0 [ 8842.530955][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8842.530955][ T73] ___sys_sendmsg+0xee/0x170 [ 8842.530955][ T73] __sys_sendmsg+0xcd/0x170 [ 8842.530955][ T73] do_syscall_64+0xc6/0x1e0 [ 8842.530955][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8842.530955][ T73] [ 8850.909698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8850.910167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8850.910167][ T1076] netdev_get_by_index+0x5e/0x80 [ 8850.910167][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8850.910167][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8850.910167][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8850.910167][ T1076] ipv6_add_addr+0x411/0x2000 [ 8850.910167][ T1076] inet6_addr_add+0x30e/0xa40 [ 8850.910167][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8850.910167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8850.910167][ T1076] netlink_rcv_skb+0x130/0x360 [ 8850.910167][ T1076] netlink_unicast+0x449/0x710 [ 8850.910167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8850.910167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8850.910167][ T1076] ___sys_sendmsg+0xee/0x170 [ 8850.910167][ T1076] __sys_sendmsg+0xcd/0x170 [ 8850.910167][ T1076] do_syscall_64+0xc6/0x1e0 [ 8850.910167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8850.910167][ T1076] [ 8850.912632][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8850.912632][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8850.912632][ T1076] ipv6_find_idev+0x102/0x170 [ 8850.912632][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8850.912632][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8850.912632][ T1076] netlink_rcv_skb+0x130/0x360 [ 8850.912632][ T1076] netlink_unicast+0x449/0x710 [ 8850.912632][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8850.912632][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8850.912632][ T1076] ___sys_sendmsg+0xee/0x170 [ 8850.912632][ T1076] __sys_sendmsg+0xcd/0x170 [ 8850.912632][ T1076] do_syscall_64+0xc6/0x1e0 [ 8850.912632][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8850.912632][ T1076] [ 8850.914505][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8850.914505][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8850.914505][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8850.914505][ T1076] ipv6_find_idev+0x102/0x170 [ 8850.914505][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8850.914505][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8850.914505][ T1076] netlink_rcv_skb+0x130/0x360 [ 8850.914505][ T1076] netlink_unicast+0x449/0x710 [ 8850.914505][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8850.914505][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8850.914505][ T1076] ___sys_sendmsg+0xee/0x170 [ 8850.914505][ T1076] __sys_sendmsg+0xcd/0x170 [ 8850.914505][ T1076] do_syscall_64+0xc6/0x1e0 [ 8850.914505][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8850.914505][ T1076] [ 8852.773758][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8852.774127][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8852.774127][ T73] dst_init+0x84/0x4a0 [ 8852.774127][ T73] dst_alloc+0x97/0x150 [ 8852.774127][ T73] ip6_dst_alloc+0x23/0x90 [ 8852.774127][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8852.774127][ T73] ip6_pol_route+0x56f/0x840 [ 8852.774127][ T73] fib6_rule_lookup+0x456/0x630 [ 8852.774127][ T73] ip6_route_input+0x59c/0xa50 [ 8852.774127][ T73] ipv6_rcv+0x397/0x810 [ 8852.774127][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8852.774127][ T73] process_backlog+0x101/0x620 [ 8852.774127][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8852.774127][ T73] net_rx_action+0x495/0xbe0 [ 8852.774127][ T73] __do_softirq+0x1b5/0x7f6 [ 8852.774127][ T73] [ 8852.775824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8852.775824][ T73] netdev_get_by_index+0x5e/0x80 [ 8852.775824][ T73] fib6_nh_init+0x3d8/0x1580 [ 8852.775824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8852.775824][ T73] ip6_route_add+0x1c/0x140 [ 8852.775824][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8852.775824][ T73] inet6_addr_add+0x4f8/0xa40 [ 8852.775824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8852.775824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.775824][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.775824][ T73] netlink_unicast+0x449/0x710 [ 8852.775824][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.775824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.775824][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.775824][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.775824][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.775824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.775824][ T73] [ 8852.777862][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8852.777862][ T73] netdev_get_by_index+0x5e/0x80 [ 8852.777862][ T73] fib6_nh_init+0x3d8/0x1580 [ 8852.777862][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8852.777862][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8852.777862][ T73] ipv6_add_addr+0x411/0x2000 [ 8852.777862][ T73] inet6_addr_add+0x30e/0xa40 [ 8852.777862][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8852.777862][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.777862][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.777862][ T73] netlink_unicast+0x449/0x710 [ 8852.777862][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.777862][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.777862][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.777862][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.777862][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.777862][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.777862][ T73] [ 8852.779899][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8852.779899][ T73] netdev_get_by_index+0x5e/0x80 [ 8852.779899][ T73] fib6_nh_init+0x3d8/0x1580 [ 8852.779899][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8852.779899][ T73] ip6_route_add+0x1c/0x140 [ 8852.779899][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8852.779899][ T73] addrconf_add_dev+0xe2/0x170 [ 8852.779899][ T73] inet6_addr_add+0x12f/0xa40 [ 8852.779899][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8852.779899][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.779899][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.779899][ T73] netlink_unicast+0x449/0x710 [ 8852.779899][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.779899][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.779899][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.779899][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.779899][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.779899][ T73] [ 8852.781926][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8852.781926][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8852.781926][ T73] ipv6_find_idev+0x102/0x170 [ 8852.781926][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8852.781926][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.781926][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.781926][ T73] netlink_unicast+0x449/0x710 [ 8852.781926][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.781926][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.781926][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.781926][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.781926][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.781926][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.781926][ T73] [ 8852.783604][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8852.783604][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8852.783604][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8852.783604][ T73] ipv6_find_idev+0x102/0x170 [ 8852.783604][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8852.783604][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.783604][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.783604][ T73] netlink_unicast+0x449/0x710 [ 8852.783604][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.783604][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.783604][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.783604][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.783604][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.783604][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.783604][ T73] [ 8852.785319][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8852.785569][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8852.785569][ T73] dst_init+0x84/0x4a0 [ 8852.785569][ T73] dst_alloc+0x97/0x150 [ 8852.785569][ T73] ip6_dst_alloc+0x23/0x90 [ 8852.785569][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8852.785569][ T73] ip6_pol_route+0x56f/0x840 [ 8852.785569][ T73] fib6_rule_lookup+0x456/0x630 [ 8852.785569][ T73] ip6_route_input+0x59c/0xa50 [ 8852.785569][ T73] ipv6_rcv+0x397/0x810 [ 8852.785569][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8852.785569][ T73] process_backlog+0x101/0x620 [ 8852.785569][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8852.785569][ T73] net_rx_action+0x495/0xbe0 [ 8852.785569][ T73] __do_softirq+0x1b5/0x7f6 [ 8852.785569][ T73] [ 8852.787230][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8852.787230][ T73] netdev_get_by_index+0x5e/0x80 [ 8852.787230][ T73] fib6_nh_init+0x3d8/0x1580 [ 8852.787230][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8852.787230][ T73] ip6_route_add+0x1c/0x140 [ 8852.787230][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8852.787230][ T73] inet6_addr_add+0x4f8/0xa40 [ 8852.787230][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8852.787230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.787230][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.787230][ T73] netlink_unicast+0x449/0x710 [ 8852.787230][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.787230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.787230][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.787230][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.787230][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.787230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.787230][ T73] [ 8852.789774][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8852.789774][ T73] netdev_get_by_index+0x5e/0x80 [ 8852.789774][ T73] fib6_nh_init+0x3d8/0x1580 [ 8852.789774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8852.789774][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8852.789774][ T73] ipv6_add_addr+0x411/0x2000 [ 8852.789774][ T73] inet6_addr_add+0x30e/0xa40 [ 8852.789774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8852.789774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.789774][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.789774][ T73] netlink_unicast+0x449/0x710 [ 8852.789774][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.789774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.789774][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.789774][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.789774][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.789774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.789774][ T73] [ 8852.791787][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8852.791787][ T73] netdev_get_by_index+0x5e/0x80 [ 8852.791787][ T73] fib6_nh_init+0x3d8/0x1580 [ 8852.791787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8852.791787][ T73] ip6_route_add+0x1c/0x140 [ 8852.791787][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8852.791787][ T73] addrconf_add_dev+0xe2/0x170 [ 8852.791787][ T73] inet6_addr_add+0x12f/0xa40 [ 8852.791787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8852.791787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.791787][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.791787][ T73] netlink_unicast+0x449/0x710 [ 8852.791787][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.791787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.791787][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.791787][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.791787][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.791787][ T73] [ 8852.793769][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8852.793769][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8852.793769][ T73] ipv6_find_idev+0x102/0x170 [ 8852.793769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8852.793769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.793769][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.793769][ T73] netlink_unicast+0x449/0x710 [ 8852.793769][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.793769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.793769][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.793769][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.793769][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.793769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.793769][ T73] [ 8852.795311][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8852.795311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8852.795311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8852.795311][ T73] ipv6_find_idev+0x102/0x170 [ 8852.795311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8852.795311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8852.795311][ T73] netlink_rcv_skb+0x130/0x360 [ 8852.795311][ T73] netlink_unicast+0x449/0x710 [ 8852.795311][ T73] netlink_sendmsg+0x723/0xbe0 [ 8852.795311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8852.795311][ T73] ___sys_sendmsg+0xee/0x170 [ 8852.795311][ T73] __sys_sendmsg+0xcd/0x170 [ 8852.795311][ T73] do_syscall_64+0xc6/0x1e0 [ 8852.795311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8852.795311][ T73] [ 8861.165642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8861.166078][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8861.166078][ T1076] netdev_get_by_index+0x5e/0x80 [ 8861.166078][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8861.166078][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8861.166078][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8861.166078][ T1076] ipv6_add_addr+0x411/0x2000 [ 8861.166078][ T1076] inet6_addr_add+0x30e/0xa40 [ 8861.166078][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8861.166078][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.166078][ T1076] netlink_rcv_skb+0x130/0x360 [ 8861.166078][ T1076] netlink_unicast+0x449/0x710 [ 8861.166078][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8861.166078][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8861.166078][ T1076] ___sys_sendmsg+0xee/0x170 [ 8861.166078][ T1076] __sys_sendmsg+0xcd/0x170 [ 8861.166078][ T1076] do_syscall_64+0xc6/0x1e0 [ 8861.166078][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.166078][ T1076] [ 8861.168324][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8861.168324][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8861.168324][ T1076] ipv6_find_idev+0x102/0x170 [ 8861.168324][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8861.168324][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.168324][ T1076] netlink_rcv_skb+0x130/0x360 [ 8861.168324][ T1076] netlink_unicast+0x449/0x710 [ 8861.168324][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8861.168324][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8861.168324][ T1076] ___sys_sendmsg+0xee/0x170 [ 8861.168324][ T1076] __sys_sendmsg+0xcd/0x170 [ 8861.168324][ T1076] do_syscall_64+0xc6/0x1e0 [ 8861.168324][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.168324][ T1076] [ 8861.170051][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8861.170051][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8861.170051][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8861.170051][ T1076] ipv6_find_idev+0x102/0x170 [ 8861.170051][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8861.170051][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8861.170051][ T1076] netlink_rcv_skb+0x130/0x360 [ 8861.170051][ T1076] netlink_unicast+0x449/0x710 [ 8861.170051][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8861.170051][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8861.170051][ T1076] ___sys_sendmsg+0xee/0x170 [ 8861.170051][ T1076] __sys_sendmsg+0xcd/0x170 [ 8861.170051][ T1076] do_syscall_64+0xc6/0x1e0 [ 8861.170051][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8861.170051][ T1076] [ 8863.037730][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8863.038110][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8863.038110][ T73] dst_init+0x84/0x4a0 [ 8863.038110][ T73] dst_alloc+0x97/0x150 [ 8863.038110][ T73] ip6_dst_alloc+0x23/0x90 [ 8863.038110][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8863.038110][ T73] ip6_pol_route+0x56f/0x840 [ 8863.038110][ T73] fib6_rule_lookup+0x456/0x630 [ 8863.038110][ T73] ip6_route_input+0x59c/0xa50 [ 8863.038110][ T73] ipv6_rcv+0x397/0x810 [ 8863.038110][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8863.038110][ T73] process_backlog+0x101/0x620 [ 8863.038110][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8863.038110][ T73] net_rx_action+0x495/0xbe0 [ 8863.038110][ T73] __do_softirq+0x1b5/0x7f6 [ 8863.038110][ T73] [ 8863.039776][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8863.039776][ T73] netdev_get_by_index+0x5e/0x80 [ 8863.039776][ T73] fib6_nh_init+0x3d8/0x1580 [ 8863.039776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8863.039776][ T73] ip6_route_add+0x1c/0x140 [ 8863.039776][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8863.039776][ T73] inet6_addr_add+0x4f8/0xa40 [ 8863.039776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8863.039776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.039776][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.039776][ T73] netlink_unicast+0x449/0x710 [ 8863.039776][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.039776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.039776][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.039776][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.039776][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.039776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.039776][ T73] [ 8863.041780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8863.041780][ T73] netdev_get_by_index+0x5e/0x80 [ 8863.041780][ T73] fib6_nh_init+0x3d8/0x1580 [ 8863.041780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8863.041780][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8863.041780][ T73] ipv6_add_addr+0x411/0x2000 [ 8863.041780][ T73] inet6_addr_add+0x30e/0xa40 [ 8863.041780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8863.041780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.041780][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.041780][ T73] netlink_unicast+0x449/0x710 [ 8863.041780][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.041780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.041780][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.041780][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.041780][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.041780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.041780][ T73] [ 8863.043807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8863.043807][ T73] netdev_get_by_index+0x5e/0x80 [ 8863.043807][ T73] fib6_nh_init+0x3d8/0x1580 [ 8863.043807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8863.043807][ T73] ip6_route_add+0x1c/0x140 [ 8863.043807][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8863.043807][ T73] addrconf_add_dev+0xe2/0x170 [ 8863.043807][ T73] inet6_addr_add+0x12f/0xa40 [ 8863.043807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8863.043807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.043807][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.043807][ T73] netlink_unicast+0x449/0x710 [ 8863.043807][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.043807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.043807][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.043807][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.043807][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.043807][ T73] [ 8863.045799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8863.045799][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8863.045799][ T73] ipv6_find_idev+0x102/0x170 [ 8863.045799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8863.045799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.045799][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.045799][ T73] netlink_unicast+0x449/0x710 [ 8863.045799][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.045799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.045799][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.045799][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.045799][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.045799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.045799][ T73] [ 8863.047361][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8863.047361][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8863.047361][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8863.047361][ T73] ipv6_find_idev+0x102/0x170 [ 8863.047361][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8863.047361][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.047361][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.047361][ T73] netlink_unicast+0x449/0x710 [ 8863.047361][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.047361][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.047361][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.047361][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.047361][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.047361][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.047361][ T73] [ 8863.049067][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8863.049309][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8863.049309][ T73] dst_init+0x84/0x4a0 [ 8863.049309][ T73] dst_alloc+0x97/0x150 [ 8863.049309][ T73] ip6_dst_alloc+0x23/0x90 [ 8863.049309][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8863.049309][ T73] ip6_pol_route+0x56f/0x840 [ 8863.049309][ T73] fib6_rule_lookup+0x456/0x630 [ 8863.049309][ T73] ip6_route_input+0x59c/0xa50 [ 8863.049309][ T73] ipv6_rcv+0x397/0x810 [ 8863.049309][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8863.049309][ T73] process_backlog+0x101/0x620 [ 8863.049309][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8863.049309][ T73] net_rx_action+0x495/0xbe0 [ 8863.049309][ T73] __do_softirq+0x1b5/0x7f6 [ 8863.049309][ T73] [ 8863.050960][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8863.050960][ T73] netdev_get_by_index+0x5e/0x80 [ 8863.050960][ T73] fib6_nh_init+0x3d8/0x1580 [ 8863.050960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8863.050960][ T73] ip6_route_add+0x1c/0x140 [ 8863.050960][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8863.050960][ T73] inet6_addr_add+0x4f8/0xa40 [ 8863.050960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8863.050960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.050960][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.050960][ T73] netlink_unicast+0x449/0x710 [ 8863.050960][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.050960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.050960][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.050960][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.050960][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.050960][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.050960][ T73] [ 8863.052982][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8863.052982][ T73] netdev_get_by_index+0x5e/0x80 [ 8863.052982][ T73] fib6_nh_init+0x3d8/0x1580 [ 8863.052982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8863.052982][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8863.052982][ T73] ipv6_add_addr+0x411/0x2000 [ 8863.052982][ T73] inet6_addr_add+0x30e/0xa40 [ 8863.052982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8863.052982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.052982][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.052982][ T73] netlink_unicast+0x449/0x710 [ 8863.052982][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.052982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.052982][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.052982][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.052982][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.052982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.052982][ T73] [ 8863.055007][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8863.055007][ T73] netdev_get_by_index+0x5e/0x80 [ 8863.055007][ T73] fib6_nh_init+0x3d8/0x1580 [ 8863.055007][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8863.055007][ T73] ip6_route_add+0x1c/0x140 [ 8863.055007][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8863.055007][ T73] addrconf_add_dev+0xe2/0x170 [ 8863.055007][ T73] inet6_addr_add+0x12f/0xa40 [ 8863.055007][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8863.055007][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.055007][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.055007][ T73] netlink_unicast+0x449/0x710 [ 8863.055007][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.055007][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.055007][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.055007][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.055007][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.055007][ T73] [ 8863.056993][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8863.056993][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8863.056993][ T73] ipv6_find_idev+0x102/0x170 [ 8863.056993][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8863.056993][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.056993][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.056993][ T73] netlink_unicast+0x449/0x710 [ 8863.056993][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.056993][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.056993][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.056993][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.056993][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.056993][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.056993][ T73] [ 8863.058551][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8863.058551][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8863.058551][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8863.058551][ T73] ipv6_find_idev+0x102/0x170 [ 8863.058551][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8863.058551][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8863.058551][ T73] netlink_rcv_skb+0x130/0x360 [ 8863.058551][ T73] netlink_unicast+0x449/0x710 [ 8863.058551][ T73] netlink_sendmsg+0x723/0xbe0 [ 8863.058551][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8863.058551][ T73] ___sys_sendmsg+0xee/0x170 [ 8863.058551][ T73] __sys_sendmsg+0xcd/0x170 [ 8863.058551][ T73] do_syscall_64+0xc6/0x1e0 [ 8863.058551][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8863.058551][ T73] [ 8871.421635][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8871.422118][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8871.422118][ T1076] netdev_get_by_index+0x5e/0x80 [ 8871.422118][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8871.422118][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8871.422118][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8871.422118][ T1076] ipv6_add_addr+0x411/0x2000 [ 8871.422118][ T1076] inet6_addr_add+0x30e/0xa40 [ 8871.422118][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8871.422118][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.422118][ T1076] netlink_rcv_skb+0x130/0x360 [ 8871.422118][ T1076] netlink_unicast+0x449/0x710 [ 8871.422118][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8871.422118][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8871.422118][ T1076] ___sys_sendmsg+0xee/0x170 [ 8871.422118][ T1076] __sys_sendmsg+0xcd/0x170 [ 8871.422118][ T1076] do_syscall_64+0xc6/0x1e0 [ 8871.422118][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.422118][ T1076] [ 8871.424449][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8871.424449][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8871.424449][ T1076] ipv6_find_idev+0x102/0x170 [ 8871.424449][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8871.424449][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.424449][ T1076] netlink_rcv_skb+0x130/0x360 [ 8871.424449][ T1076] netlink_unicast+0x449/0x710 [ 8871.424449][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8871.424449][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8871.424449][ T1076] ___sys_sendmsg+0xee/0x170 [ 8871.424449][ T1076] __sys_sendmsg+0xcd/0x170 [ 8871.424449][ T1076] do_syscall_64+0xc6/0x1e0 [ 8871.424449][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.424449][ T1076] [ 8871.426232][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8871.426232][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8871.426232][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8871.426232][ T1076] ipv6_find_idev+0x102/0x170 [ 8871.426232][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8871.426232][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8871.426232][ T1076] netlink_rcv_skb+0x130/0x360 [ 8871.426232][ T1076] netlink_unicast+0x449/0x710 [ 8871.426232][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8871.426232][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8871.426232][ T1076] ___sys_sendmsg+0xee/0x170 [ 8871.426232][ T1076] __sys_sendmsg+0xcd/0x170 [ 8871.426232][ T1076] do_syscall_64+0xc6/0x1e0 [ 8871.426232][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8871.426232][ T1076] [ 8873.301723][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8873.302135][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8873.302135][ T73] dst_init+0x84/0x4a0 [ 8873.302135][ T73] dst_alloc+0x97/0x150 [ 8873.302135][ T73] ip6_dst_alloc+0x23/0x90 [ 8873.302135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8873.302135][ T73] ip6_pol_route+0x56f/0x840 [ 8873.302135][ T73] fib6_rule_lookup+0x456/0x630 [ 8873.302135][ T73] ip6_route_input+0x59c/0xa50 [ 8873.302135][ T73] ipv6_rcv+0x397/0x810 [ 8873.302135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8873.302135][ T73] process_backlog+0x101/0x620 [ 8873.302135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8873.302135][ T73] net_rx_action+0x495/0xbe0 [ 8873.302135][ T73] __do_softirq+0x1b5/0x7f6 [ 8873.302135][ T73] [ 8873.303966][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8873.303966][ T73] netdev_get_by_index+0x5e/0x80 [ 8873.303966][ T73] fib6_nh_init+0x3d8/0x1580 [ 8873.303966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8873.303966][ T73] ip6_route_add+0x1c/0x140 [ 8873.303966][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8873.303966][ T73] inet6_addr_add+0x4f8/0xa40 [ 8873.303966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8873.303966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.303966][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.303966][ T73] netlink_unicast+0x449/0x710 [ 8873.303966][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.303966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.303966][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.303966][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.303966][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.303966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.303966][ T73] [ 8873.306172][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8873.306172][ T73] netdev_get_by_index+0x5e/0x80 [ 8873.306172][ T73] fib6_nh_init+0x3d8/0x1580 [ 8873.306172][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8873.306172][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8873.306172][ T73] ipv6_add_addr+0x411/0x2000 [ 8873.306172][ T73] inet6_addr_add+0x30e/0xa40 [ 8873.306172][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8873.306172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.306172][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.306172][ T73] netlink_unicast+0x449/0x710 [ 8873.306172][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.306172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.306172][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.306172][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.306172][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.306172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.306172][ T73] [ 8873.308375][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8873.308375][ T73] netdev_get_by_index+0x5e/0x80 [ 8873.308375][ T73] fib6_nh_init+0x3d8/0x1580 [ 8873.308375][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8873.308375][ T73] ip6_route_add+0x1c/0x140 [ 8873.308375][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8873.308375][ T73] addrconf_add_dev+0xe2/0x170 [ 8873.308375][ T73] inet6_addr_add+0x12f/0xa40 [ 8873.308375][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8873.308375][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.308375][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.308375][ T73] netlink_unicast+0x449/0x710 [ 8873.308375][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.308375][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.308375][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.308375][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.308375][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.308375][ T73] [ 8873.310549][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8873.310549][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8873.310549][ T73] ipv6_find_idev+0x102/0x170 [ 8873.310549][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8873.310549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.310549][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.310549][ T73] netlink_unicast+0x449/0x710 [ 8873.310549][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.310549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.310549][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.310549][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.310549][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.310549][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.310549][ T73] [ 8873.312255][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8873.312255][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8873.312255][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8873.312255][ T73] ipv6_find_idev+0x102/0x170 [ 8873.312255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8873.312255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.312255][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.312255][ T73] netlink_unicast+0x449/0x710 [ 8873.312255][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.312255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.312255][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.312255][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.312255][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.312255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.312255][ T73] [ 8873.314146][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8873.314399][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8873.314399][ T73] dst_init+0x84/0x4a0 [ 8873.314399][ T73] dst_alloc+0x97/0x150 [ 8873.314399][ T73] ip6_dst_alloc+0x23/0x90 [ 8873.314399][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8873.314399][ T73] ip6_pol_route+0x56f/0x840 [ 8873.314399][ T73] fib6_rule_lookup+0x456/0x630 [ 8873.314399][ T73] ip6_route_input+0x59c/0xa50 [ 8873.314399][ T73] ipv6_rcv+0x397/0x810 [ 8873.314399][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8873.314399][ T73] process_backlog+0x101/0x620 [ 8873.314399][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8873.314399][ T73] net_rx_action+0x495/0xbe0 [ 8873.314399][ T73] __do_softirq+0x1b5/0x7f6 [ 8873.314399][ T73] [ 8873.316186][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8873.316186][ T73] netdev_get_by_index+0x5e/0x80 [ 8873.316186][ T73] fib6_nh_init+0x3d8/0x1580 [ 8873.316186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8873.316186][ T73] ip6_route_add+0x1c/0x140 [ 8873.316186][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8873.316186][ T73] inet6_addr_add+0x4f8/0xa40 [ 8873.316186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8873.316186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.316186][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.316186][ T73] netlink_unicast+0x449/0x710 [ 8873.316186][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.316186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.316186][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.316186][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.316186][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.316186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.316186][ T73] [ 8873.318398][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8873.318398][ T73] netdev_get_by_index+0x5e/0x80 [ 8873.318398][ T73] fib6_nh_init+0x3d8/0x1580 [ 8873.318398][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8873.318398][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8873.318398][ T73] ipv6_add_addr+0x411/0x2000 [ 8873.318398][ T73] inet6_addr_add+0x30e/0xa40 [ 8873.318398][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8873.318398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.318398][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.318398][ T73] netlink_unicast+0x449/0x710 [ 8873.318398][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.318398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.318398][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.318398][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.318398][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.318398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.318398][ T73] [ 8873.320583][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8873.320583][ T73] netdev_get_by_index+0x5e/0x80 [ 8873.320583][ T73] fib6_nh_init+0x3d8/0x1580 [ 8873.320583][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8873.320583][ T73] ip6_route_add+0x1c/0x140 [ 8873.320583][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8873.320583][ T73] addrconf_add_dev+0xe2/0x170 [ 8873.320583][ T73] inet6_addr_add+0x12f/0xa40 [ 8873.320583][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8873.320583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.320583][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.320583][ T73] netlink_unicast+0x449/0x710 [ 8873.320583][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.320583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.320583][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.320583][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.320583][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.320583][ T73] [ 8873.322745][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8873.322745][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8873.322745][ T73] ipv6_find_idev+0x102/0x170 [ 8873.322745][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8873.322745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.322745][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.322745][ T73] netlink_unicast+0x449/0x710 [ 8873.322745][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.322745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.322745][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.322745][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.322745][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.322745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.322745][ T73] [ 8873.324428][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8873.324428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8873.324428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8873.324428][ T73] ipv6_find_idev+0x102/0x170 [ 8873.324428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8873.324428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8873.324428][ T73] netlink_rcv_skb+0x130/0x360 [ 8873.324428][ T73] netlink_unicast+0x449/0x710 [ 8873.324428][ T73] netlink_sendmsg+0x723/0xbe0 [ 8873.324428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8873.324428][ T73] ___sys_sendmsg+0xee/0x170 [ 8873.324428][ T73] __sys_sendmsg+0xcd/0x170 [ 8873.324428][ T73] do_syscall_64+0xc6/0x1e0 [ 8873.324428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8873.324428][ T73] [ 8881.677636][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8881.678134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8881.678134][ T1076] netdev_get_by_index+0x5e/0x80 [ 8881.678134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8881.678134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8881.678134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8881.678134][ T1076] ipv6_add_addr+0x411/0x2000 [ 8881.678134][ T1076] inet6_addr_add+0x30e/0xa40 [ 8881.678134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8881.678134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8881.678134][ T1076] netlink_rcv_skb+0x130/0x360 [ 8881.678134][ T1076] netlink_unicast+0x449/0x710 [ 8881.678134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8881.678134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8881.678134][ T1076] ___sys_sendmsg+0xee/0x170 [ 8881.678134][ T1076] __sys_sendmsg+0xcd/0x170 [ 8881.678134][ T1076] do_syscall_64+0xc6/0x1e0 [ 8881.678134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8881.678134][ T1076] [ 8881.680924][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8881.680924][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8881.680924][ T1076] ipv6_find_idev+0x102/0x170 [ 8881.680924][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8881.680924][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8881.680924][ T1076] netlink_rcv_skb+0x130/0x360 [ 8881.680924][ T1076] netlink_unicast+0x449/0x710 [ 8881.680924][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8881.680924][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8881.680924][ T1076] ___sys_sendmsg+0xee/0x170 [ 8881.680924][ T1076] __sys_sendmsg+0xcd/0x170 [ 8881.680924][ T1076] do_syscall_64+0xc6/0x1e0 [ 8881.680924][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8881.680924][ T1076] [ 8881.682661][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8881.682661][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8881.682661][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8881.682661][ T1076] ipv6_find_idev+0x102/0x170 [ 8881.682661][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8881.682661][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8881.682661][ T1076] netlink_rcv_skb+0x130/0x360 [ 8881.682661][ T1076] netlink_unicast+0x449/0x710 [ 8881.682661][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8881.682661][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8881.682661][ T1076] ___sys_sendmsg+0xee/0x170 [ 8881.682661][ T1076] __sys_sendmsg+0xcd/0x170 [ 8881.682661][ T1076] do_syscall_64+0xc6/0x1e0 [ 8881.682661][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8881.682661][ T1076] [ 8883.565630][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8883.566002][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8883.566002][ T73] dst_init+0x84/0x4a0 [ 8883.566002][ T73] dst_alloc+0x97/0x150 [ 8883.566002][ T73] ip6_dst_alloc+0x23/0x90 [ 8883.566002][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8883.566002][ T73] ip6_pol_route+0x56f/0x840 [ 8883.566002][ T73] fib6_rule_lookup+0x456/0x630 [ 8883.566002][ T73] ip6_route_input+0x59c/0xa50 [ 8883.566002][ T73] ipv6_rcv+0x397/0x810 [ 8883.566002][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8883.566002][ T73] process_backlog+0x101/0x620 [ 8883.566002][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8883.566002][ T73] net_rx_action+0x495/0xbe0 [ 8883.566002][ T73] __do_softirq+0x1b5/0x7f6 [ 8883.566002][ T73] [ 8883.567725][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8883.567725][ T73] netdev_get_by_index+0x5e/0x80 [ 8883.567725][ T73] fib6_nh_init+0x3d8/0x1580 [ 8883.567725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8883.567725][ T73] ip6_route_add+0x1c/0x140 [ 8883.567725][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8883.567725][ T73] inet6_addr_add+0x4f8/0xa40 [ 8883.567725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8883.567725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.567725][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.567725][ T73] netlink_unicast+0x449/0x710 [ 8883.567725][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.567725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.567725][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.567725][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.567725][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.567725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.567725][ T73] [ 8883.569785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8883.569785][ T73] netdev_get_by_index+0x5e/0x80 [ 8883.569785][ T73] fib6_nh_init+0x3d8/0x1580 [ 8883.569785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8883.569785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8883.569785][ T73] ipv6_add_addr+0x411/0x2000 [ 8883.569785][ T73] inet6_addr_add+0x30e/0xa40 [ 8883.569785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8883.569785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.569785][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.569785][ T73] netlink_unicast+0x449/0x710 [ 8883.569785][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.569785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.569785][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.569785][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.569785][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.569785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.569785][ T73] [ 8883.571863][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8883.571863][ T73] netdev_get_by_index+0x5e/0x80 [ 8883.571863][ T73] fib6_nh_init+0x3d8/0x1580 [ 8883.571863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8883.571863][ T73] ip6_route_add+0x1c/0x140 [ 8883.571863][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8883.571863][ T73] addrconf_add_dev+0xe2/0x170 [ 8883.571863][ T73] inet6_addr_add+0x12f/0xa40 [ 8883.571863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8883.571863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.571863][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.571863][ T73] netlink_unicast+0x449/0x710 [ 8883.571863][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.571863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.571863][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.571863][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.571863][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.571863][ T73] [ 8883.573928][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8883.573928][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8883.573928][ T73] ipv6_find_idev+0x102/0x170 [ 8883.573928][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8883.573928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.573928][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.573928][ T73] netlink_unicast+0x449/0x710 [ 8883.573928][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.573928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.573928][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.573928][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.573928][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.573928][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.573928][ T73] [ 8883.575519][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8883.575519][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8883.575519][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8883.575519][ T73] ipv6_find_idev+0x102/0x170 [ 8883.575519][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8883.575519][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.575519][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.575519][ T73] netlink_unicast+0x449/0x710 [ 8883.575519][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.575519][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.575519][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.575519][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.575519][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.575519][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.575519][ T73] [ 8883.577277][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8883.577945][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8883.577945][ T73] dst_init+0x84/0x4a0 [ 8883.577945][ T73] dst_alloc+0x97/0x150 [ 8883.577945][ T73] ip6_dst_alloc+0x23/0x90 [ 8883.577945][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8883.577945][ T73] ip6_pol_route+0x56f/0x840 [ 8883.577945][ T73] fib6_rule_lookup+0x456/0x630 [ 8883.577945][ T73] ip6_route_input+0x59c/0xa50 [ 8883.577945][ T73] ipv6_rcv+0x397/0x810 [ 8883.577945][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8883.577945][ T73] process_backlog+0x101/0x620 [ 8883.577945][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8883.577945][ T73] net_rx_action+0x495/0xbe0 [ 8883.577945][ T73] __do_softirq+0x1b5/0x7f6 [ 8883.577945][ T73] [ 8883.579636][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8883.579636][ T73] netdev_get_by_index+0x5e/0x80 [ 8883.579636][ T73] fib6_nh_init+0x3d8/0x1580 [ 8883.579636][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8883.579636][ T73] ip6_route_add+0x1c/0x140 [ 8883.579636][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8883.579636][ T73] inet6_addr_add+0x4f8/0xa40 [ 8883.579636][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8883.579636][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.579636][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.579636][ T73] netlink_unicast+0x449/0x710 [ 8883.579636][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.579636][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.579636][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.579636][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.579636][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.579636][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.579636][ T73] [ 8883.581666][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8883.581666][ T73] netdev_get_by_index+0x5e/0x80 [ 8883.581666][ T73] fib6_nh_init+0x3d8/0x1580 [ 8883.581666][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8883.581666][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8883.581666][ T73] ipv6_add_addr+0x411/0x2000 [ 8883.581666][ T73] inet6_addr_add+0x30e/0xa40 [ 8883.581666][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8883.581666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.581666][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.581666][ T73] netlink_unicast+0x449/0x710 [ 8883.581666][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.581666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.581666][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.581666][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.581666][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.581666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.581666][ T73] [ 8883.583745][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8883.583745][ T73] netdev_get_by_index+0x5e/0x80 [ 8883.583745][ T73] fib6_nh_init+0x3d8/0x1580 [ 8883.583745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8883.583745][ T73] ip6_route_add+0x1c/0x140 [ 8883.583745][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8883.583745][ T73] addrconf_add_dev+0xe2/0x170 [ 8883.583745][ T73] inet6_addr_add+0x12f/0xa40 [ 8883.583745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8883.583745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.583745][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.583745][ T73] netlink_unicast+0x449/0x710 [ 8883.583745][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.583745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.583745][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.583745][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.583745][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.583745][ T73] [ 8883.585758][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8883.585758][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8883.585758][ T73] ipv6_find_idev+0x102/0x170 [ 8883.585758][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8883.585758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.585758][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.585758][ T73] netlink_unicast+0x449/0x710 [ 8883.585758][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.585758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.585758][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.585758][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.585758][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.585758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.585758][ T73] [ 8883.587345][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8883.587345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8883.587345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8883.587345][ T73] ipv6_find_idev+0x102/0x170 [ 8883.587345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8883.587345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8883.587345][ T73] netlink_rcv_skb+0x130/0x360 [ 8883.587345][ T73] netlink_unicast+0x449/0x710 [ 8883.587345][ T73] netlink_sendmsg+0x723/0xbe0 [ 8883.587345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8883.587345][ T73] ___sys_sendmsg+0xee/0x170 [ 8883.587345][ T73] __sys_sendmsg+0xcd/0x170 [ 8883.587345][ T73] do_syscall_64+0xc6/0x1e0 [ 8883.587345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8883.587345][ T73] [ 8891.781654][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8891.782166][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8891.782166][ T1076] netdev_get_by_index+0x5e/0x80 [ 8891.782166][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8891.782166][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8891.782166][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8891.782166][ T1076] ipv6_add_addr+0x411/0x2000 [ 8891.782166][ T1076] inet6_addr_add+0x30e/0xa40 [ 8891.782166][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8891.782166][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8891.782166][ T1076] netlink_rcv_skb+0x130/0x360 [ 8891.782166][ T1076] netlink_unicast+0x449/0x710 [ 8891.782166][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8891.782166][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8891.782166][ T1076] ___sys_sendmsg+0xee/0x170 [ 8891.782166][ T1076] __sys_sendmsg+0xcd/0x170 [ 8891.782166][ T1076] do_syscall_64+0xc6/0x1e0 [ 8891.782166][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8891.782166][ T1076] [ 8891.784479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8891.784479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8891.784479][ T1076] ipv6_find_idev+0x102/0x170 [ 8891.784479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8891.784479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8891.784479][ T1076] netlink_rcv_skb+0x130/0x360 [ 8891.784479][ T1076] netlink_unicast+0x449/0x710 [ 8891.784479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8891.784479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8891.784479][ T1076] ___sys_sendmsg+0xee/0x170 [ 8891.784479][ T1076] __sys_sendmsg+0xcd/0x170 [ 8891.784479][ T1076] do_syscall_64+0xc6/0x1e0 [ 8891.784479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8891.784479][ T1076] [ 8891.786233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8891.786233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8891.786233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8891.786233][ T1076] ipv6_find_idev+0x102/0x170 [ 8891.786233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8891.786233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8891.786233][ T1076] netlink_rcv_skb+0x130/0x360 [ 8891.786233][ T1076] netlink_unicast+0x449/0x710 [ 8891.786233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8891.786233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8891.786233][ T1076] ___sys_sendmsg+0xee/0x170 [ 8891.786233][ T1076] __sys_sendmsg+0xcd/0x170 [ 8891.786233][ T1076] do_syscall_64+0xc6/0x1e0 [ 8891.786233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8891.786233][ T1076] [ 8893.829646][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8893.830075][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8893.830075][ T73] dst_init+0x84/0x4a0 [ 8893.830075][ T73] dst_alloc+0x97/0x150 [ 8893.830075][ T73] ip6_dst_alloc+0x23/0x90 [ 8893.830075][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8893.830075][ T73] ip6_pol_route+0x56f/0x840 [ 8893.830075][ T73] fib6_rule_lookup+0x456/0x630 [ 8893.830075][ T73] ip6_route_input+0x59c/0xa50 [ 8893.830075][ T73] ipv6_rcv+0x397/0x810 [ 8893.830075][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8893.830075][ T73] process_backlog+0x101/0x620 [ 8893.830075][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8893.830075][ T73] net_rx_action+0x495/0xbe0 [ 8893.830075][ T73] __do_softirq+0x1b5/0x7f6 [ 8893.830075][ T73] [ 8893.831741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8893.831741][ T73] netdev_get_by_index+0x5e/0x80 [ 8893.831741][ T73] fib6_nh_init+0x3d8/0x1580 [ 8893.831741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8893.831741][ T73] ip6_route_add+0x1c/0x140 [ 8893.831741][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8893.831741][ T73] inet6_addr_add+0x4f8/0xa40 [ 8893.831741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8893.831741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.831741][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.831741][ T73] netlink_unicast+0x449/0x710 [ 8893.831741][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.831741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.831741][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.831741][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.831741][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.831741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.831741][ T73] [ 8893.833756][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8893.833756][ T73] netdev_get_by_index+0x5e/0x80 [ 8893.833756][ T73] fib6_nh_init+0x3d8/0x1580 [ 8893.833756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8893.833756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8893.833756][ T73] ipv6_add_addr+0x411/0x2000 [ 8893.833756][ T73] inet6_addr_add+0x30e/0xa40 [ 8893.833756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8893.833756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.833756][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.833756][ T73] netlink_unicast+0x449/0x710 [ 8893.833756][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.833756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.833756][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.833756][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.833756][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.833756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.833756][ T73] [ 8893.835763][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8893.835763][ T73] netdev_get_by_index+0x5e/0x80 [ 8893.835763][ T73] fib6_nh_init+0x3d8/0x1580 [ 8893.835763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8893.835763][ T73] ip6_route_add+0x1c/0x140 [ 8893.835763][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8893.835763][ T73] addrconf_add_dev+0xe2/0x170 [ 8893.835763][ T73] inet6_addr_add+0x12f/0xa40 [ 8893.835763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8893.835763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.835763][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.835763][ T73] netlink_unicast+0x449/0x710 [ 8893.835763][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.835763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.835763][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.835763][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.835763][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.835763][ T73] [ 8893.837730][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8893.837730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8893.837730][ T73] ipv6_find_idev+0x102/0x170 [ 8893.837730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8893.837730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.837730][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.837730][ T73] netlink_unicast+0x449/0x710 [ 8893.837730][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.837730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.837730][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.837730][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.837730][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.837730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.837730][ T73] [ 8893.839275][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8893.839275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8893.839275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8893.839275][ T73] ipv6_find_idev+0x102/0x170 [ 8893.839275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8893.839275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.839275][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.839275][ T73] netlink_unicast+0x449/0x710 [ 8893.839275][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.839275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.839275][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.839275][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.839275][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.839275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.839275][ T73] [ 8893.840985][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8893.841229][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8893.841229][ T73] dst_init+0x84/0x4a0 [ 8893.841229][ T73] dst_alloc+0x97/0x150 [ 8893.841229][ T73] ip6_dst_alloc+0x23/0x90 [ 8893.841229][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8893.841229][ T73] ip6_pol_route+0x56f/0x840 [ 8893.841229][ T73] fib6_rule_lookup+0x456/0x630 [ 8893.841229][ T73] ip6_route_input+0x59c/0xa50 [ 8893.841229][ T73] ipv6_rcv+0x397/0x810 [ 8893.841229][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8893.841229][ T73] process_backlog+0x101/0x620 [ 8893.841229][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8893.841229][ T73] net_rx_action+0x495/0xbe0 [ 8893.841229][ T73] __do_softirq+0x1b5/0x7f6 [ 8893.841229][ T73] [ 8893.842883][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8893.842883][ T73] netdev_get_by_index+0x5e/0x80 [ 8893.842883][ T73] fib6_nh_init+0x3d8/0x1580 [ 8893.842883][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8893.842883][ T73] ip6_route_add+0x1c/0x140 [ 8893.842883][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8893.842883][ T73] inet6_addr_add+0x4f8/0xa40 [ 8893.842883][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8893.842883][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.842883][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.842883][ T73] netlink_unicast+0x449/0x710 [ 8893.842883][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.842883][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.842883][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.842883][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.842883][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.842883][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.842883][ T73] [ 8893.844892][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8893.844892][ T73] netdev_get_by_index+0x5e/0x80 [ 8893.844892][ T73] fib6_nh_init+0x3d8/0x1580 [ 8893.844892][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8893.844892][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8893.844892][ T73] ipv6_add_addr+0x411/0x2000 [ 8893.844892][ T73] inet6_addr_add+0x30e/0xa40 [ 8893.844892][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8893.844892][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.844892][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.844892][ T73] netlink_unicast+0x449/0x710 [ 8893.844892][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.844892][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.844892][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.844892][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.844892][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.844892][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.844892][ T73] [ 8893.846904][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8893.846904][ T73] netdev_get_by_index+0x5e/0x80 [ 8893.846904][ T73] fib6_nh_init+0x3d8/0x1580 [ 8893.846904][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8893.846904][ T73] ip6_route_add+0x1c/0x140 [ 8893.846904][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8893.846904][ T73] addrconf_add_dev+0xe2/0x170 [ 8893.846904][ T73] inet6_addr_add+0x12f/0xa40 [ 8893.846904][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8893.846904][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.846904][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.846904][ T73] netlink_unicast+0x449/0x710 [ 8893.846904][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.846904][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.846904][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.846904][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.846904][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.846904][ T73] [ 8893.848884][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8893.848884][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8893.848884][ T73] ipv6_find_idev+0x102/0x170 [ 8893.848884][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8893.848884][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.848884][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.848884][ T73] netlink_unicast+0x449/0x710 [ 8893.848884][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.848884][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.848884][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.848884][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.848884][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.848884][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.848884][ T73] [ 8893.850428][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8893.850428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8893.850428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8893.850428][ T73] ipv6_find_idev+0x102/0x170 [ 8893.850428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8893.850428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8893.850428][ T73] netlink_rcv_skb+0x130/0x360 [ 8893.850428][ T73] netlink_unicast+0x449/0x710 [ 8893.850428][ T73] netlink_sendmsg+0x723/0xbe0 [ 8893.850428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8893.850428][ T73] ___sys_sendmsg+0xee/0x170 [ 8893.850428][ T73] __sys_sendmsg+0xcd/0x170 [ 8893.850428][ T73] do_syscall_64+0xc6/0x1e0 [ 8893.850428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8893.850428][ T73] [ 8901.789702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8901.790182][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8901.790182][ T1076] netdev_get_by_index+0x5e/0x80 [ 8901.790182][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8901.790182][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8901.790182][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8901.790182][ T1076] ipv6_add_addr+0x411/0x2000 [ 8901.790182][ T1076] inet6_addr_add+0x30e/0xa40 [ 8901.790182][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8901.790182][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.790182][ T1076] netlink_rcv_skb+0x130/0x360 [ 8901.790182][ T1076] netlink_unicast+0x449/0x710 [ 8901.790182][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8901.790182][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8901.790182][ T1076] ___sys_sendmsg+0xee/0x170 [ 8901.790182][ T1076] __sys_sendmsg+0xcd/0x170 [ 8901.790182][ T1076] do_syscall_64+0xc6/0x1e0 [ 8901.790182][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.790182][ T1076] [ 8901.792475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8901.792475][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8901.792475][ T1076] ipv6_find_idev+0x102/0x170 [ 8901.792475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8901.792475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.792475][ T1076] netlink_rcv_skb+0x130/0x360 [ 8901.792475][ T1076] netlink_unicast+0x449/0x710 [ 8901.792475][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8901.792475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8901.792475][ T1076] ___sys_sendmsg+0xee/0x170 [ 8901.792475][ T1076] __sys_sendmsg+0xcd/0x170 [ 8901.792475][ T1076] do_syscall_64+0xc6/0x1e0 [ 8901.792475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.792475][ T1076] [ 8901.794212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8901.794212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8901.794212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8901.794212][ T1076] ipv6_find_idev+0x102/0x170 [ 8901.794212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8901.794212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8901.794212][ T1076] netlink_rcv_skb+0x130/0x360 [ 8901.794212][ T1076] netlink_unicast+0x449/0x710 [ 8901.794212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8901.794212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8901.794212][ T1076] ___sys_sendmsg+0xee/0x170 [ 8901.794212][ T1076] __sys_sendmsg+0xcd/0x170 [ 8901.794212][ T1076] do_syscall_64+0xc6/0x1e0 [ 8901.794212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8901.794212][ T1076] [ 8904.093726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8904.094145][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8904.094145][ T73] dst_init+0x84/0x4a0 [ 8904.094145][ T73] dst_alloc+0x97/0x150 [ 8904.094145][ T73] ip6_dst_alloc+0x23/0x90 [ 8904.094145][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8904.094145][ T73] ip6_pol_route+0x56f/0x840 [ 8904.094145][ T73] fib6_rule_lookup+0x456/0x630 [ 8904.094145][ T73] ip6_route_input+0x59c/0xa50 [ 8904.094145][ T73] ipv6_rcv+0x397/0x810 [ 8904.094145][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8904.094145][ T73] process_backlog+0x101/0x620 [ 8904.094145][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8904.094145][ T73] net_rx_action+0x495/0xbe0 [ 8904.094145][ T73] __do_softirq+0x1b5/0x7f6 [ 8904.094145][ T73] [ 8904.095834][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8904.095834][ T73] netdev_get_by_index+0x5e/0x80 [ 8904.095834][ T73] fib6_nh_init+0x3d8/0x1580 [ 8904.095834][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8904.095834][ T73] ip6_route_add+0x1c/0x140 [ 8904.095834][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8904.095834][ T73] inet6_addr_add+0x4f8/0xa40 [ 8904.095834][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8904.095834][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.095834][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.095834][ T73] netlink_unicast+0x449/0x710 [ 8904.095834][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.095834][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.095834][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.095834][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.095834][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.095834][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.095834][ T73] [ 8904.097853][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8904.097853][ T73] netdev_get_by_index+0x5e/0x80 [ 8904.097853][ T73] fib6_nh_init+0x3d8/0x1580 [ 8904.097853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8904.097853][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8904.097853][ T73] ipv6_add_addr+0x411/0x2000 [ 8904.097853][ T73] inet6_addr_add+0x30e/0xa40 [ 8904.097853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8904.097853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.097853][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.097853][ T73] netlink_unicast+0x449/0x710 [ 8904.097853][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.097853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.097853][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.097853][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.097853][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.097853][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.097853][ T73] [ 8904.099860][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8904.099860][ T73] netdev_get_by_index+0x5e/0x80 [ 8904.099860][ T73] fib6_nh_init+0x3d8/0x1580 [ 8904.099860][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8904.099860][ T73] ip6_route_add+0x1c/0x140 [ 8904.099860][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8904.099860][ T73] addrconf_add_dev+0xe2/0x170 [ 8904.099860][ T73] inet6_addr_add+0x12f/0xa40 [ 8904.099860][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8904.099860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.099860][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.099860][ T73] netlink_unicast+0x449/0x710 [ 8904.099860][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.099860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.099860][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.099860][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.099860][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.099860][ T73] [ 8904.101831][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8904.101831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8904.101831][ T73] ipv6_find_idev+0x102/0x170 [ 8904.101831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8904.101831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.101831][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.101831][ T73] netlink_unicast+0x449/0x710 [ 8904.101831][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.101831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.101831][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.101831][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.101831][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.101831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.101831][ T73] [ 8904.103401][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8904.103401][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8904.103401][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8904.103401][ T73] ipv6_find_idev+0x102/0x170 [ 8904.103401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8904.103401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.103401][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.103401][ T73] netlink_unicast+0x449/0x710 [ 8904.103401][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.103401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.103401][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.103401][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.103401][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.103401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.103401][ T73] [ 8904.105100][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8904.105341][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8904.105341][ T73] dst_init+0x84/0x4a0 [ 8904.105341][ T73] dst_alloc+0x97/0x150 [ 8904.105341][ T73] ip6_dst_alloc+0x23/0x90 [ 8904.105341][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8904.105341][ T73] ip6_pol_route+0x56f/0x840 [ 8904.105341][ T73] fib6_rule_lookup+0x456/0x630 [ 8904.105341][ T73] ip6_route_input+0x59c/0xa50 [ 8904.105341][ T73] ipv6_rcv+0x397/0x810 [ 8904.105341][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8904.105341][ T73] process_backlog+0x101/0x620 [ 8904.105341][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8904.105341][ T73] net_rx_action+0x495/0xbe0 [ 8904.105341][ T73] __do_softirq+0x1b5/0x7f6 [ 8904.105341][ T73] [ 8904.106982][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8904.106982][ T73] netdev_get_by_index+0x5e/0x80 [ 8904.106982][ T73] fib6_nh_init+0x3d8/0x1580 [ 8904.106982][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8904.106982][ T73] ip6_route_add+0x1c/0x140 [ 8904.106982][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8904.106982][ T73] inet6_addr_add+0x4f8/0xa40 [ 8904.106982][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8904.106982][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.106982][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.106982][ T73] netlink_unicast+0x449/0x710 [ 8904.106982][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.106982][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.106982][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.106982][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.106982][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.106982][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.106982][ T73] [ 8904.108992][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8904.108992][ T73] netdev_get_by_index+0x5e/0x80 [ 8904.108992][ T73] fib6_nh_init+0x3d8/0x1580 [ 8904.108992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8904.108992][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8904.108992][ T73] ipv6_add_addr+0x411/0x2000 [ 8904.108992][ T73] inet6_addr_add+0x30e/0xa40 [ 8904.108992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8904.108992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.108992][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.108992][ T73] netlink_unicast+0x449/0x710 [ 8904.108992][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.108992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.108992][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.108992][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.108992][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.108992][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.108992][ T73] [ 8904.110996][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8904.110996][ T73] netdev_get_by_index+0x5e/0x80 [ 8904.110996][ T73] fib6_nh_init+0x3d8/0x1580 [ 8904.110996][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8904.110996][ T73] ip6_route_add+0x1c/0x140 [ 8904.110996][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8904.110996][ T73] addrconf_add_dev+0xe2/0x170 [ 8904.110996][ T73] inet6_addr_add+0x12f/0xa40 [ 8904.110996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8904.110996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.110996][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.110996][ T73] netlink_unicast+0x449/0x710 [ 8904.110996][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.110996][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.110996][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.110996][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.110996][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.110996][ T73] [ 8904.112970][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8904.112970][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8904.112970][ T73] ipv6_find_idev+0x102/0x170 [ 8904.112970][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8904.112970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.112970][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.112970][ T73] netlink_unicast+0x449/0x710 [ 8904.112970][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.112970][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.112970][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.112970][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.112970][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.112970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.112970][ T73] [ 8904.114511][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8904.114511][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8904.114511][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8904.114511][ T73] ipv6_find_idev+0x102/0x170 [ 8904.114511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8904.114511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8904.114511][ T73] netlink_rcv_skb+0x130/0x360 [ 8904.114511][ T73] netlink_unicast+0x449/0x710 [ 8904.114511][ T73] netlink_sendmsg+0x723/0xbe0 [ 8904.114511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8904.114511][ T73] ___sys_sendmsg+0xee/0x170 [ 8904.114511][ T73] __sys_sendmsg+0xcd/0x170 [ 8904.114511][ T73] do_syscall_64+0xc6/0x1e0 [ 8904.114511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8904.114511][ T73] [ 8911.797719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8911.798144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8911.798144][ T1076] netdev_get_by_index+0x5e/0x80 [ 8911.798144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8911.798144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8911.798144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8911.798144][ T1076] ipv6_add_addr+0x411/0x2000 [ 8911.798144][ T1076] inet6_addr_add+0x30e/0xa40 [ 8911.798144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8911.798144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.798144][ T1076] netlink_rcv_skb+0x130/0x360 [ 8911.798144][ T1076] netlink_unicast+0x449/0x710 [ 8911.798144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8911.798144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8911.798144][ T1076] ___sys_sendmsg+0xee/0x170 [ 8911.798144][ T1076] __sys_sendmsg+0xcd/0x170 [ 8911.798144][ T1076] do_syscall_64+0xc6/0x1e0 [ 8911.798144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.798144][ T1076] [ 8911.800401][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8911.800401][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8911.800401][ T1076] ipv6_find_idev+0x102/0x170 [ 8911.800401][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8911.800401][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.800401][ T1076] netlink_rcv_skb+0x130/0x360 [ 8911.800401][ T1076] netlink_unicast+0x449/0x710 [ 8911.800401][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8911.800401][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8911.800401][ T1076] ___sys_sendmsg+0xee/0x170 [ 8911.800401][ T1076] __sys_sendmsg+0xcd/0x170 [ 8911.800401][ T1076] do_syscall_64+0xc6/0x1e0 [ 8911.800401][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.800401][ T1076] [ 8911.802146][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8911.802146][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8911.802146][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8911.802146][ T1076] ipv6_find_idev+0x102/0x170 [ 8911.802146][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8911.802146][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8911.802146][ T1076] netlink_rcv_skb+0x130/0x360 [ 8911.802146][ T1076] netlink_unicast+0x449/0x710 [ 8911.802146][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8911.802146][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8911.802146][ T1076] ___sys_sendmsg+0xee/0x170 [ 8911.802146][ T1076] __sys_sendmsg+0xcd/0x170 [ 8911.802146][ T1076] do_syscall_64+0xc6/0x1e0 [ 8911.802146][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8911.802146][ T1076] [ 8914.357641][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8914.358018][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8914.358018][ T73] dst_init+0x84/0x4a0 [ 8914.358018][ T73] dst_alloc+0x97/0x150 [ 8914.358018][ T73] ip6_dst_alloc+0x23/0x90 [ 8914.358018][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8914.358018][ T73] ip6_pol_route+0x56f/0x840 [ 8914.358018][ T73] fib6_rule_lookup+0x456/0x630 [ 8914.358018][ T73] ip6_route_input+0x59c/0xa50 [ 8914.358018][ T73] ipv6_rcv+0x397/0x810 [ 8914.358018][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8914.358018][ T73] process_backlog+0x101/0x620 [ 8914.358018][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8914.358018][ T73] net_rx_action+0x495/0xbe0 [ 8914.358018][ T73] __do_softirq+0x1b5/0x7f6 [ 8914.358018][ T73] [ 8914.359686][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8914.359686][ T73] netdev_get_by_index+0x5e/0x80 [ 8914.359686][ T73] fib6_nh_init+0x3d8/0x1580 [ 8914.359686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8914.359686][ T73] ip6_route_add+0x1c/0x140 [ 8914.359686][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8914.359686][ T73] inet6_addr_add+0x4f8/0xa40 [ 8914.359686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8914.359686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.359686][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.359686][ T73] netlink_unicast+0x449/0x710 [ 8914.359686][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.359686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.359686][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.359686][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.359686][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.359686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.359686][ T73] [ 8914.361701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8914.361701][ T73] netdev_get_by_index+0x5e/0x80 [ 8914.361701][ T73] fib6_nh_init+0x3d8/0x1580 [ 8914.361701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8914.361701][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8914.361701][ T73] ipv6_add_addr+0x411/0x2000 [ 8914.361701][ T73] inet6_addr_add+0x30e/0xa40 [ 8914.361701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8914.361701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.361701][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.361701][ T73] netlink_unicast+0x449/0x710 [ 8914.361701][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.361701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.361701][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.361701][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.361701][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.361701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.361701][ T73] [ 8914.363744][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8914.363744][ T73] netdev_get_by_index+0x5e/0x80 [ 8914.363744][ T73] fib6_nh_init+0x3d8/0x1580 [ 8914.363744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8914.363744][ T73] ip6_route_add+0x1c/0x140 [ 8914.363744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8914.363744][ T73] addrconf_add_dev+0xe2/0x170 [ 8914.363744][ T73] inet6_addr_add+0x12f/0xa40 [ 8914.363744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8914.363744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.363744][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.363744][ T73] netlink_unicast+0x449/0x710 [ 8914.363744][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.363744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.363744][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.363744][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.363744][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.363744][ T73] [ 8914.365738][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8914.365738][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8914.365738][ T73] ipv6_find_idev+0x102/0x170 [ 8914.365738][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8914.365738][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.365738][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.365738][ T73] netlink_unicast+0x449/0x710 [ 8914.365738][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.365738][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.365738][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.365738][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.365738][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.365738][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.365738][ T73] [ 8914.367301][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8914.367301][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8914.367301][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8914.367301][ T73] ipv6_find_idev+0x102/0x170 [ 8914.367301][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8914.367301][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.367301][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.367301][ T73] netlink_unicast+0x449/0x710 [ 8914.367301][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.367301][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.367301][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.367301][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.367301][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.367301][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.367301][ T73] [ 8914.369030][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8914.369270][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8914.369270][ T73] dst_init+0x84/0x4a0 [ 8914.369270][ T73] dst_alloc+0x97/0x150 [ 8914.369270][ T73] ip6_dst_alloc+0x23/0x90 [ 8914.369270][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8914.369270][ T73] ip6_pol_route+0x56f/0x840 [ 8914.369270][ T73] fib6_rule_lookup+0x456/0x630 [ 8914.369270][ T73] ip6_route_input+0x59c/0xa50 [ 8914.369270][ T73] ipv6_rcv+0x397/0x810 [ 8914.369270][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8914.369270][ T73] process_backlog+0x101/0x620 [ 8914.369270][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8914.369270][ T73] net_rx_action+0x495/0xbe0 [ 8914.369270][ T73] __do_softirq+0x1b5/0x7f6 [ 8914.369270][ T73] [ 8914.370933][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8914.370933][ T73] netdev_get_by_index+0x5e/0x80 [ 8914.370933][ T73] fib6_nh_init+0x3d8/0x1580 [ 8914.370933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8914.370933][ T73] ip6_route_add+0x1c/0x140 [ 8914.370933][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8914.370933][ T73] inet6_addr_add+0x4f8/0xa40 [ 8914.370933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8914.370933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.370933][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.370933][ T73] netlink_unicast+0x449/0x710 [ 8914.370933][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.370933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.370933][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.370933][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.370933][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.370933][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.370933][ T73] [ 8914.372980][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8914.372980][ T73] netdev_get_by_index+0x5e/0x80 [ 8914.372980][ T73] fib6_nh_init+0x3d8/0x1580 [ 8914.372980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8914.372980][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8914.372980][ T73] ipv6_add_addr+0x411/0x2000 [ 8914.372980][ T73] inet6_addr_add+0x30e/0xa40 [ 8914.372980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8914.372980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.372980][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.372980][ T73] netlink_unicast+0x449/0x710 [ 8914.372980][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.372980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.372980][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.372980][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.372980][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.372980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.372980][ T73] [ 8914.375015][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8914.375015][ T73] netdev_get_by_index+0x5e/0x80 [ 8914.375015][ T73] fib6_nh_init+0x3d8/0x1580 [ 8914.375015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8914.375015][ T73] ip6_route_add+0x1c/0x140 [ 8914.375015][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8914.375015][ T73] addrconf_add_dev+0xe2/0x170 [ 8914.375015][ T73] inet6_addr_add+0x12f/0xa40 [ 8914.375015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8914.375015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.375015][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.375015][ T73] netlink_unicast+0x449/0x710 [ 8914.375015][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.375015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.375015][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.375015][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.375015][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.375015][ T73] [ 8914.377011][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8914.377011][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8914.377011][ T73] ipv6_find_idev+0x102/0x170 [ 8914.377011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8914.377011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.377011][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.377011][ T73] netlink_unicast+0x449/0x710 [ 8914.377011][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.377011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.377011][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.377011][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.377011][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.377011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.377011][ T73] [ 8914.378590][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8914.378590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8914.378590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8914.378590][ T73] ipv6_find_idev+0x102/0x170 [ 8914.378590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8914.378590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8914.378590][ T73] netlink_rcv_skb+0x130/0x360 [ 8914.378590][ T73] netlink_unicast+0x449/0x710 [ 8914.378590][ T73] netlink_sendmsg+0x723/0xbe0 [ 8914.378590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8914.378590][ T73] ___sys_sendmsg+0xee/0x170 [ 8914.378590][ T73] __sys_sendmsg+0xcd/0x170 [ 8914.378590][ T73] do_syscall_64+0xc6/0x1e0 [ 8914.378590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8914.378590][ T73] [ 8921.805728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8921.806162][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8921.806162][ T1076] netdev_get_by_index+0x5e/0x80 [ 8921.806162][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8921.806162][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8921.806162][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8921.806162][ T1076] ipv6_add_addr+0x411/0x2000 [ 8921.806162][ T1076] inet6_addr_add+0x30e/0xa40 [ 8921.806162][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8921.806162][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.806162][ T1076] netlink_rcv_skb+0x130/0x360 [ 8921.806162][ T1076] netlink_unicast+0x449/0x710 [ 8921.806162][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8921.806162][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8921.806162][ T1076] ___sys_sendmsg+0xee/0x170 [ 8921.806162][ T1076] __sys_sendmsg+0xcd/0x170 [ 8921.806162][ T1076] do_syscall_64+0xc6/0x1e0 [ 8921.806162][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.806162][ T1076] [ 8921.808423][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8921.808423][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8921.808423][ T1076] ipv6_find_idev+0x102/0x170 [ 8921.808423][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8921.808423][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.808423][ T1076] netlink_rcv_skb+0x130/0x360 [ 8921.808423][ T1076] netlink_unicast+0x449/0x710 [ 8921.808423][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8921.808423][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8921.808423][ T1076] ___sys_sendmsg+0xee/0x170 [ 8921.808423][ T1076] __sys_sendmsg+0xcd/0x170 [ 8921.808423][ T1076] do_syscall_64+0xc6/0x1e0 [ 8921.808423][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.808423][ T1076] [ 8921.810167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8921.810167][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8921.810167][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8921.810167][ T1076] ipv6_find_idev+0x102/0x170 [ 8921.810167][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8921.810167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8921.810167][ T1076] netlink_rcv_skb+0x130/0x360 [ 8921.810167][ T1076] netlink_unicast+0x449/0x710 [ 8921.810167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8921.810167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8921.810167][ T1076] ___sys_sendmsg+0xee/0x170 [ 8921.810167][ T1076] __sys_sendmsg+0xcd/0x170 [ 8921.810167][ T1076] do_syscall_64+0xc6/0x1e0 [ 8921.810167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8921.810167][ T1076] [ 8924.621642][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8924.622054][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8924.622054][ T73] dst_init+0x84/0x4a0 [ 8924.622054][ T73] dst_alloc+0x97/0x150 [ 8924.622054][ T73] ip6_dst_alloc+0x23/0x90 [ 8924.622054][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8924.622054][ T73] ip6_pol_route+0x56f/0x840 [ 8924.622054][ T73] fib6_rule_lookup+0x456/0x630 [ 8924.622054][ T73] ip6_route_input+0x59c/0xa50 [ 8924.622054][ T73] ipv6_rcv+0x397/0x810 [ 8924.622054][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8924.622054][ T73] process_backlog+0x101/0x620 [ 8924.622054][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8924.622054][ T73] net_rx_action+0x495/0xbe0 [ 8924.622054][ T73] __do_softirq+0x1b5/0x7f6 [ 8924.622054][ T73] [ 8924.623717][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8924.623717][ T73] netdev_get_by_index+0x5e/0x80 [ 8924.623717][ T73] fib6_nh_init+0x3d8/0x1580 [ 8924.623717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8924.623717][ T73] ip6_route_add+0x1c/0x140 [ 8924.623717][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8924.623717][ T73] inet6_addr_add+0x4f8/0xa40 [ 8924.623717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8924.623717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.623717][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.623717][ T73] netlink_unicast+0x449/0x710 [ 8924.623717][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.623717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.623717][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.623717][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.623717][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.623717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.623717][ T73] [ 8924.625724][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8924.625724][ T73] netdev_get_by_index+0x5e/0x80 [ 8924.625724][ T73] fib6_nh_init+0x3d8/0x1580 [ 8924.625724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8924.625724][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8924.625724][ T73] ipv6_add_addr+0x411/0x2000 [ 8924.625724][ T73] inet6_addr_add+0x30e/0xa40 [ 8924.625724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8924.625724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.625724][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.625724][ T73] netlink_unicast+0x449/0x710 [ 8924.625724][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.625724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.625724][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.625724][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.625724][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.625724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.625724][ T73] [ 8924.627728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8924.627728][ T73] netdev_get_by_index+0x5e/0x80 [ 8924.627728][ T73] fib6_nh_init+0x3d8/0x1580 [ 8924.627728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8924.627728][ T73] ip6_route_add+0x1c/0x140 [ 8924.627728][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8924.627728][ T73] addrconf_add_dev+0xe2/0x170 [ 8924.627728][ T73] inet6_addr_add+0x12f/0xa40 [ 8924.627728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8924.627728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.627728][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.627728][ T73] netlink_unicast+0x449/0x710 [ 8924.627728][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.627728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.627728][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.627728][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.627728][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.627728][ T73] [ 8924.629698][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8924.629698][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8924.629698][ T73] ipv6_find_idev+0x102/0x170 [ 8924.629698][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8924.629698][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.629698][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.629698][ T73] netlink_unicast+0x449/0x710 [ 8924.629698][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.629698][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.629698][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.629698][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.629698][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.629698][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.629698][ T73] [ 8924.631239][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8924.631239][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8924.631239][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8924.631239][ T73] ipv6_find_idev+0x102/0x170 [ 8924.631239][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8924.631239][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.631239][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.631239][ T73] netlink_unicast+0x449/0x710 [ 8924.631239][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.631239][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.631239][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.631239][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.631239][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.631239][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.631239][ T73] [ 8924.632950][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8924.633193][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8924.633193][ T73] dst_init+0x84/0x4a0 [ 8924.633193][ T73] dst_alloc+0x97/0x150 [ 8924.633193][ T73] ip6_dst_alloc+0x23/0x90 [ 8924.633193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8924.633193][ T73] ip6_pol_route+0x56f/0x840 [ 8924.633193][ T73] fib6_rule_lookup+0x456/0x630 [ 8924.633193][ T73] ip6_route_input+0x59c/0xa50 [ 8924.633193][ T73] ipv6_rcv+0x397/0x810 [ 8924.633193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8924.633193][ T73] process_backlog+0x101/0x620 [ 8924.633193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8924.633193][ T73] net_rx_action+0x495/0xbe0 [ 8924.633193][ T73] __do_softirq+0x1b5/0x7f6 [ 8924.633193][ T73] [ 8924.634876][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8924.634876][ T73] netdev_get_by_index+0x5e/0x80 [ 8924.634876][ T73] fib6_nh_init+0x3d8/0x1580 [ 8924.634876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8924.634876][ T73] ip6_route_add+0x1c/0x140 [ 8924.634876][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8924.634876][ T73] inet6_addr_add+0x4f8/0xa40 [ 8924.634876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8924.634876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.634876][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.634876][ T73] netlink_unicast+0x449/0x710 [ 8924.634876][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.634876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.634876][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.634876][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.634876][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.634876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.634876][ T73] [ 8924.636937][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8924.636937][ T73] netdev_get_by_index+0x5e/0x80 [ 8924.636937][ T73] fib6_nh_init+0x3d8/0x1580 [ 8924.636937][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8924.636937][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8924.636937][ T73] ipv6_add_addr+0x411/0x2000 [ 8924.636937][ T73] inet6_addr_add+0x30e/0xa40 [ 8924.636937][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8924.636937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.636937][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.636937][ T73] netlink_unicast+0x449/0x710 [ 8924.636937][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.636937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.636937][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.636937][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.636937][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.636937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.636937][ T73] [ 8924.638988][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8924.638988][ T73] netdev_get_by_index+0x5e/0x80 [ 8924.638988][ T73] fib6_nh_init+0x3d8/0x1580 [ 8924.638988][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8924.638988][ T73] ip6_route_add+0x1c/0x140 [ 8924.638988][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8924.638988][ T73] addrconf_add_dev+0xe2/0x170 [ 8924.638988][ T73] inet6_addr_add+0x12f/0xa40 [ 8924.638988][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8924.638988][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.638988][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.638988][ T73] netlink_unicast+0x449/0x710 [ 8924.638988][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.638988][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.638988][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.638988][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.638988][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.638988][ T73] [ 8924.641021][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8924.641021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8924.641021][ T73] ipv6_find_idev+0x102/0x170 [ 8924.641021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8924.641021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.641021][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.641021][ T73] netlink_unicast+0x449/0x710 [ 8924.641021][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.641021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.641021][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.641021][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.641021][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.641021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.641021][ T73] [ 8924.642626][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8924.642626][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8924.642626][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8924.642626][ T73] ipv6_find_idev+0x102/0x170 [ 8924.642626][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8924.642626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8924.642626][ T73] netlink_rcv_skb+0x130/0x360 [ 8924.642626][ T73] netlink_unicast+0x449/0x710 [ 8924.642626][ T73] netlink_sendmsg+0x723/0xbe0 [ 8924.642626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8924.642626][ T73] ___sys_sendmsg+0xee/0x170 [ 8924.642626][ T73] __sys_sendmsg+0xcd/0x170 [ 8924.642626][ T73] do_syscall_64+0xc6/0x1e0 [ 8924.642626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8924.642626][ T73] [ 8932.061722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8932.062223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8932.062223][ T1076] netdev_get_by_index+0x5e/0x80 [ 8932.062223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8932.062223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8932.062223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8932.062223][ T1076] ipv6_add_addr+0x411/0x2000 [ 8932.062223][ T1076] inet6_addr_add+0x30e/0xa40 [ 8932.062223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8932.062223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8932.062223][ T1076] netlink_rcv_skb+0x130/0x360 [ 8932.062223][ T1076] netlink_unicast+0x449/0x710 [ 8932.062223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8932.062223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8932.062223][ T1076] ___sys_sendmsg+0xee/0x170 [ 8932.062223][ T1076] __sys_sendmsg+0xcd/0x170 [ 8932.062223][ T1076] do_syscall_64+0xc6/0x1e0 [ 8932.062223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8932.062223][ T1076] [ 8932.064476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8932.064476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8932.064476][ T1076] ipv6_find_idev+0x102/0x170 [ 8932.064476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8932.064476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8932.064476][ T1076] netlink_rcv_skb+0x130/0x360 [ 8932.064476][ T1076] netlink_unicast+0x449/0x710 [ 8932.064476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8932.064476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8932.064476][ T1076] ___sys_sendmsg+0xee/0x170 [ 8932.064476][ T1076] __sys_sendmsg+0xcd/0x170 [ 8932.064476][ T1076] do_syscall_64+0xc6/0x1e0 [ 8932.064476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8932.064476][ T1076] [ 8932.066202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8932.066202][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8932.066202][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8932.066202][ T1076] ipv6_find_idev+0x102/0x170 [ 8932.066202][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8932.066202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8932.066202][ T1076] netlink_rcv_skb+0x130/0x360 [ 8932.066202][ T1076] netlink_unicast+0x449/0x710 [ 8932.066202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8932.066202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8932.066202][ T1076] ___sys_sendmsg+0xee/0x170 [ 8932.066202][ T1076] __sys_sendmsg+0xcd/0x170 [ 8932.066202][ T1076] do_syscall_64+0xc6/0x1e0 [ 8932.066202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8932.066202][ T1076] [ 8934.893732][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8934.894112][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8934.894112][ T73] dst_init+0x84/0x4a0 [ 8934.894112][ T73] dst_alloc+0x97/0x150 [ 8934.894112][ T73] ip6_dst_alloc+0x23/0x90 [ 8934.894112][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8934.894112][ T73] ip6_pol_route+0x56f/0x840 [ 8934.894112][ T73] fib6_rule_lookup+0x456/0x630 [ 8934.894112][ T73] ip6_route_input+0x59c/0xa50 [ 8934.894112][ T73] ipv6_rcv+0x397/0x810 [ 8934.894112][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8934.894112][ T73] process_backlog+0x101/0x620 [ 8934.894112][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8934.894112][ T73] net_rx_action+0x495/0xbe0 [ 8934.894112][ T73] __do_softirq+0x1b5/0x7f6 [ 8934.894112][ T73] [ 8934.895783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8934.895783][ T73] netdev_get_by_index+0x5e/0x80 [ 8934.895783][ T73] fib6_nh_init+0x3d8/0x1580 [ 8934.895783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8934.895783][ T73] ip6_route_add+0x1c/0x140 [ 8934.895783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8934.895783][ T73] inet6_addr_add+0x4f8/0xa40 [ 8934.895783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8934.895783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.895783][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.895783][ T73] netlink_unicast+0x449/0x710 [ 8934.895783][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.895783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.895783][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.895783][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.895783][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.895783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.895783][ T73] [ 8934.897793][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8934.897793][ T73] netdev_get_by_index+0x5e/0x80 [ 8934.897793][ T73] fib6_nh_init+0x3d8/0x1580 [ 8934.897793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8934.897793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8934.897793][ T73] ipv6_add_addr+0x411/0x2000 [ 8934.897793][ T73] inet6_addr_add+0x30e/0xa40 [ 8934.897793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8934.897793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.897793][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.897793][ T73] netlink_unicast+0x449/0x710 [ 8934.897793][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.897793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.897793][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.897793][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.897793][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.897793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.897793][ T73] [ 8934.899819][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8934.899819][ T73] netdev_get_by_index+0x5e/0x80 [ 8934.899819][ T73] fib6_nh_init+0x3d8/0x1580 [ 8934.899819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8934.899819][ T73] ip6_route_add+0x1c/0x140 [ 8934.899819][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8934.899819][ T73] addrconf_add_dev+0xe2/0x170 [ 8934.899819][ T73] inet6_addr_add+0x12f/0xa40 [ 8934.899819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8934.899819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.899819][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.899819][ T73] netlink_unicast+0x449/0x710 [ 8934.899819][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.899819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.899819][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.899819][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.899819][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.899819][ T73] [ 8934.901829][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8934.901829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8934.901829][ T73] ipv6_find_idev+0x102/0x170 [ 8934.901829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8934.901829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.901829][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.901829][ T73] netlink_unicast+0x449/0x710 [ 8934.901829][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.901829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.901829][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.901829][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.901829][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.901829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.901829][ T73] [ 8934.903398][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8934.903398][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8934.903398][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8934.903398][ T73] ipv6_find_idev+0x102/0x170 [ 8934.903398][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8934.903398][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.903398][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.903398][ T73] netlink_unicast+0x449/0x710 [ 8934.903398][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.903398][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.903398][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.903398][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.903398][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.903398][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.903398][ T73] [ 8934.905121][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8934.905363][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8934.905363][ T73] dst_init+0x84/0x4a0 [ 8934.905363][ T73] dst_alloc+0x97/0x150 [ 8934.905363][ T73] ip6_dst_alloc+0x23/0x90 [ 8934.905363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8934.905363][ T73] ip6_pol_route+0x56f/0x840 [ 8934.905363][ T73] fib6_rule_lookup+0x456/0x630 [ 8934.905363][ T73] ip6_route_input+0x59c/0xa50 [ 8934.905363][ T73] ipv6_rcv+0x397/0x810 [ 8934.905363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8934.905363][ T73] process_backlog+0x101/0x620 [ 8934.905363][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8934.905363][ T73] net_rx_action+0x495/0xbe0 [ 8934.905363][ T73] __do_softirq+0x1b5/0x7f6 [ 8934.905363][ T73] [ 8934.907023][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8934.907023][ T73] netdev_get_by_index+0x5e/0x80 [ 8934.907023][ T73] fib6_nh_init+0x3d8/0x1580 [ 8934.907023][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8934.907023][ T73] ip6_route_add+0x1c/0x140 [ 8934.907023][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8934.907023][ T73] inet6_addr_add+0x4f8/0xa40 [ 8934.907023][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8934.907023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.907023][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.907023][ T73] netlink_unicast+0x449/0x710 [ 8934.907023][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.907023][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.907023][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.907023][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.907023][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.907023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.907023][ T73] [ 8934.909041][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8934.909041][ T73] netdev_get_by_index+0x5e/0x80 [ 8934.909041][ T73] fib6_nh_init+0x3d8/0x1580 [ 8934.909041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8934.909041][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8934.909041][ T73] ipv6_add_addr+0x411/0x2000 [ 8934.909041][ T73] inet6_addr_add+0x30e/0xa40 [ 8934.909041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8934.909041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.909041][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.909041][ T73] netlink_unicast+0x449/0x710 [ 8934.909041][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.909041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.909041][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.909041][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.909041][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.909041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.909041][ T73] [ 8934.911068][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8934.911068][ T73] netdev_get_by_index+0x5e/0x80 [ 8934.911068][ T73] fib6_nh_init+0x3d8/0x1580 [ 8934.911068][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8934.911068][ T73] ip6_route_add+0x1c/0x140 [ 8934.911068][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8934.911068][ T73] addrconf_add_dev+0xe2/0x170 [ 8934.911068][ T73] inet6_addr_add+0x12f/0xa40 [ 8934.911068][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8934.911068][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.911068][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.911068][ T73] netlink_unicast+0x449/0x710 [ 8934.911068][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.911068][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.911068][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.911068][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.911068][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.911068][ T73] [ 8934.913082][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8934.913082][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8934.913082][ T73] ipv6_find_idev+0x102/0x170 [ 8934.913082][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8934.913082][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.913082][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.913082][ T73] netlink_unicast+0x449/0x710 [ 8934.913082][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.913082][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.913082][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.913082][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.913082][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.913082][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.913082][ T73] [ 8934.914663][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8934.914663][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8934.914663][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8934.914663][ T73] ipv6_find_idev+0x102/0x170 [ 8934.914663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8934.914663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8934.914663][ T73] netlink_rcv_skb+0x130/0x360 [ 8934.914663][ T73] netlink_unicast+0x449/0x710 [ 8934.914663][ T73] netlink_sendmsg+0x723/0xbe0 [ 8934.914663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8934.914663][ T73] ___sys_sendmsg+0xee/0x170 [ 8934.914663][ T73] __sys_sendmsg+0xcd/0x170 [ 8934.914663][ T73] do_syscall_64+0xc6/0x1e0 [ 8934.914663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8934.914663][ T73] [ 8942.317709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8942.318197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8942.318197][ T1076] netdev_get_by_index+0x5e/0x80 [ 8942.318197][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8942.318197][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8942.318197][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8942.318197][ T1076] ipv6_add_addr+0x411/0x2000 [ 8942.318197][ T1076] inet6_addr_add+0x30e/0xa40 [ 8942.318197][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8942.318197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.318197][ T1076] netlink_rcv_skb+0x130/0x360 [ 8942.318197][ T1076] netlink_unicast+0x449/0x710 [ 8942.318197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8942.318197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8942.318197][ T1076] ___sys_sendmsg+0xee/0x170 [ 8942.318197][ T1076] __sys_sendmsg+0xcd/0x170 [ 8942.318197][ T1076] do_syscall_64+0xc6/0x1e0 [ 8942.318197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.318197][ T1076] [ 8942.320455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8942.320455][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8942.320455][ T1076] ipv6_find_idev+0x102/0x170 [ 8942.320455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8942.320455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.320455][ T1076] netlink_rcv_skb+0x130/0x360 [ 8942.320455][ T1076] netlink_unicast+0x449/0x710 [ 8942.320455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8942.320455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8942.320455][ T1076] ___sys_sendmsg+0xee/0x170 [ 8942.320455][ T1076] __sys_sendmsg+0xcd/0x170 [ 8942.320455][ T1076] do_syscall_64+0xc6/0x1e0 [ 8942.320455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.320455][ T1076] [ 8942.322192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8942.322192][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8942.322192][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8942.322192][ T1076] ipv6_find_idev+0x102/0x170 [ 8942.322192][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8942.322192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8942.322192][ T1076] netlink_rcv_skb+0x130/0x360 [ 8942.322192][ T1076] netlink_unicast+0x449/0x710 [ 8942.322192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8942.322192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8942.322192][ T1076] ___sys_sendmsg+0xee/0x170 [ 8942.322192][ T1076] __sys_sendmsg+0xcd/0x170 [ 8942.322192][ T1076] do_syscall_64+0xc6/0x1e0 [ 8942.322192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8942.322192][ T1076] [ 8945.157710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8945.158147][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8945.158147][ T73] dst_init+0x84/0x4a0 [ 8945.158147][ T73] dst_alloc+0x97/0x150 [ 8945.158147][ T73] ip6_dst_alloc+0x23/0x90 [ 8945.158147][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8945.158147][ T73] ip6_pol_route+0x56f/0x840 [ 8945.158147][ T73] fib6_rule_lookup+0x456/0x630 [ 8945.158147][ T73] ip6_route_input+0x59c/0xa50 [ 8945.158147][ T73] ipv6_rcv+0x397/0x810 [ 8945.158147][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8945.158147][ T73] process_backlog+0x101/0x620 [ 8945.158147][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8945.158147][ T73] net_rx_action+0x495/0xbe0 [ 8945.158147][ T73] __do_softirq+0x1b5/0x7f6 [ 8945.158147][ T73] [ 8945.159827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8945.159827][ T73] netdev_get_by_index+0x5e/0x80 [ 8945.159827][ T73] fib6_nh_init+0x3d8/0x1580 [ 8945.159827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8945.159827][ T73] ip6_route_add+0x1c/0x140 [ 8945.159827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8945.159827][ T73] inet6_addr_add+0x4f8/0xa40 [ 8945.159827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8945.159827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.159827][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.159827][ T73] netlink_unicast+0x449/0x710 [ 8945.159827][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.159827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.159827][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.159827][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.159827][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.159827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.159827][ T73] [ 8945.161891][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8945.161891][ T73] netdev_get_by_index+0x5e/0x80 [ 8945.161891][ T73] fib6_nh_init+0x3d8/0x1580 [ 8945.161891][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8945.161891][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8945.161891][ T73] ipv6_add_addr+0x411/0x2000 [ 8945.161891][ T73] inet6_addr_add+0x30e/0xa40 [ 8945.161891][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8945.161891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.161891][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.161891][ T73] netlink_unicast+0x449/0x710 [ 8945.161891][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.161891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.161891][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.161891][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.161891][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.161891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.161891][ T73] [ 8945.163920][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8945.163920][ T73] netdev_get_by_index+0x5e/0x80 [ 8945.163920][ T73] fib6_nh_init+0x3d8/0x1580 [ 8945.163920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8945.163920][ T73] ip6_route_add+0x1c/0x140 [ 8945.163920][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8945.163920][ T73] addrconf_add_dev+0xe2/0x170 [ 8945.163920][ T73] inet6_addr_add+0x12f/0xa40 [ 8945.163920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8945.163920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.163920][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.163920][ T73] netlink_unicast+0x449/0x710 [ 8945.163920][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.163920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.163920][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.163920][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.163920][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.163920][ T73] [ 8945.165891][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8945.165891][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8945.165891][ T73] ipv6_find_idev+0x102/0x170 [ 8945.165891][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8945.165891][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.165891][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.165891][ T73] netlink_unicast+0x449/0x710 [ 8945.165891][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.165891][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.165891][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.165891][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.165891][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.165891][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.165891][ T73] [ 8945.167438][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8945.167438][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8945.167438][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8945.167438][ T73] ipv6_find_idev+0x102/0x170 [ 8945.167438][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8945.167438][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.167438][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.167438][ T73] netlink_unicast+0x449/0x710 [ 8945.167438][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.167438][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.167438][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.167438][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.167438][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.167438][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.167438][ T73] [ 8945.169164][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8945.169405][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8945.169405][ T73] dst_init+0x84/0x4a0 [ 8945.169405][ T73] dst_alloc+0x97/0x150 [ 8945.169405][ T73] ip6_dst_alloc+0x23/0x90 [ 8945.169405][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8945.169405][ T73] ip6_pol_route+0x56f/0x840 [ 8945.169405][ T73] fib6_rule_lookup+0x456/0x630 [ 8945.169405][ T73] ip6_route_input+0x59c/0xa50 [ 8945.169405][ T73] ipv6_rcv+0x397/0x810 [ 8945.169405][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8945.169405][ T73] process_backlog+0x101/0x620 [ 8945.169405][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8945.169405][ T73] net_rx_action+0x495/0xbe0 [ 8945.169405][ T73] __do_softirq+0x1b5/0x7f6 [ 8945.169405][ T73] [ 8945.171054][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8945.171054][ T73] netdev_get_by_index+0x5e/0x80 [ 8945.171054][ T73] fib6_nh_init+0x3d8/0x1580 [ 8945.171054][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8945.171054][ T73] ip6_route_add+0x1c/0x140 [ 8945.171054][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8945.171054][ T73] inet6_addr_add+0x4f8/0xa40 [ 8945.171054][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8945.171054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.171054][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.171054][ T73] netlink_unicast+0x449/0x710 [ 8945.171054][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.171054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.171054][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.171054][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.171054][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.171054][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.171054][ T73] [ 8945.173076][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8945.173076][ T73] netdev_get_by_index+0x5e/0x80 [ 8945.173076][ T73] fib6_nh_init+0x3d8/0x1580 [ 8945.173076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8945.173076][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8945.173076][ T73] ipv6_add_addr+0x411/0x2000 [ 8945.173076][ T73] inet6_addr_add+0x30e/0xa40 [ 8945.173076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8945.173076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.173076][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.173076][ T73] netlink_unicast+0x449/0x710 [ 8945.173076][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.173076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.173076][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.173076][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.173076][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.173076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.173076][ T73] [ 8945.175080][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8945.175080][ T73] netdev_get_by_index+0x5e/0x80 [ 8945.175080][ T73] fib6_nh_init+0x3d8/0x1580 [ 8945.175080][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8945.175080][ T73] ip6_route_add+0x1c/0x140 [ 8945.175080][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8945.175080][ T73] addrconf_add_dev+0xe2/0x170 [ 8945.175080][ T73] inet6_addr_add+0x12f/0xa40 [ 8945.175080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8945.175080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.175080][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.175080][ T73] netlink_unicast+0x449/0x710 [ 8945.175080][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.175080][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.175080][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.175080][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.175080][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.175080][ T73] [ 8945.177047][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8945.177047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8945.177047][ T73] ipv6_find_idev+0x102/0x170 [ 8945.177047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8945.177047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.177047][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.177047][ T73] netlink_unicast+0x449/0x710 [ 8945.177047][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.177047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.177047][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.177047][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.177047][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.177047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.177047][ T73] [ 8945.178590][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8945.178590][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8945.178590][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8945.178590][ T73] ipv6_find_idev+0x102/0x170 [ 8945.178590][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8945.178590][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8945.178590][ T73] netlink_rcv_skb+0x130/0x360 [ 8945.178590][ T73] netlink_unicast+0x449/0x710 [ 8945.178590][ T73] netlink_sendmsg+0x723/0xbe0 [ 8945.178590][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8945.178590][ T73] ___sys_sendmsg+0xee/0x170 [ 8945.178590][ T73] __sys_sendmsg+0xcd/0x170 [ 8945.178590][ T73] do_syscall_64+0xc6/0x1e0 [ 8945.178590][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8945.178590][ T73] [ 8952.573709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8952.574202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8952.574202][ T1076] netdev_get_by_index+0x5e/0x80 [ 8952.574202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8952.574202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8952.574202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8952.574202][ T1076] ipv6_add_addr+0x411/0x2000 [ 8952.574202][ T1076] inet6_addr_add+0x30e/0xa40 [ 8952.574202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8952.574202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.574202][ T1076] netlink_rcv_skb+0x130/0x360 [ 8952.574202][ T1076] netlink_unicast+0x449/0x710 [ 8952.574202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8952.574202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8952.574202][ T1076] ___sys_sendmsg+0xee/0x170 [ 8952.574202][ T1076] __sys_sendmsg+0xcd/0x170 [ 8952.574202][ T1076] do_syscall_64+0xc6/0x1e0 [ 8952.574202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.574202][ T1076] [ 8952.576459][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8952.576459][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8952.576459][ T1076] ipv6_find_idev+0x102/0x170 [ 8952.576459][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8952.576459][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.576459][ T1076] netlink_rcv_skb+0x130/0x360 [ 8952.576459][ T1076] netlink_unicast+0x449/0x710 [ 8952.576459][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8952.576459][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8952.576459][ T1076] ___sys_sendmsg+0xee/0x170 [ 8952.576459][ T1076] __sys_sendmsg+0xcd/0x170 [ 8952.576459][ T1076] do_syscall_64+0xc6/0x1e0 [ 8952.576459][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.576459][ T1076] [ 8952.578574][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8952.578574][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8952.578574][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8952.578574][ T1076] ipv6_find_idev+0x102/0x170 [ 8952.578574][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8952.578574][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8952.578574][ T1076] netlink_rcv_skb+0x130/0x360 [ 8952.578574][ T1076] netlink_unicast+0x449/0x710 [ 8952.578574][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8952.578574][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8952.578574][ T1076] ___sys_sendmsg+0xee/0x170 [ 8952.578574][ T1076] __sys_sendmsg+0xcd/0x170 [ 8952.578574][ T1076] do_syscall_64+0xc6/0x1e0 [ 8952.578574][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8952.578574][ T1076] [ 8955.421740][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8955.422183][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8955.422183][ T73] dst_init+0x84/0x4a0 [ 8955.422183][ T73] dst_alloc+0x97/0x150 [ 8955.422183][ T73] ip6_dst_alloc+0x23/0x90 [ 8955.422183][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8955.422183][ T73] ip6_pol_route+0x56f/0x840 [ 8955.422183][ T73] fib6_rule_lookup+0x456/0x630 [ 8955.422183][ T73] ip6_route_input+0x59c/0xa50 [ 8955.422183][ T73] ipv6_rcv+0x397/0x810 [ 8955.422183][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8955.422183][ T73] process_backlog+0x101/0x620 [ 8955.422183][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8955.422183][ T73] net_rx_action+0x495/0xbe0 [ 8955.422183][ T73] __do_softirq+0x1b5/0x7f6 [ 8955.422183][ T73] [ 8955.423863][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8955.423863][ T73] netdev_get_by_index+0x5e/0x80 [ 8955.423863][ T73] fib6_nh_init+0x3d8/0x1580 [ 8955.423863][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8955.423863][ T73] ip6_route_add+0x1c/0x140 [ 8955.423863][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8955.423863][ T73] inet6_addr_add+0x4f8/0xa40 [ 8955.423863][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8955.423863][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.423863][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.423863][ T73] netlink_unicast+0x449/0x710 [ 8955.423863][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.423863][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.423863][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.423863][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.423863][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.423863][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.423863][ T73] [ 8955.425875][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8955.425875][ T73] netdev_get_by_index+0x5e/0x80 [ 8955.425875][ T73] fib6_nh_init+0x3d8/0x1580 [ 8955.425875][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8955.425875][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8955.425875][ T73] ipv6_add_addr+0x411/0x2000 [ 8955.425875][ T73] inet6_addr_add+0x30e/0xa40 [ 8955.425875][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8955.425875][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.425875][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.425875][ T73] netlink_unicast+0x449/0x710 [ 8955.425875][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.425875][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.425875][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.425875][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.425875][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.425875][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.425875][ T73] [ 8955.427882][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8955.427882][ T73] netdev_get_by_index+0x5e/0x80 [ 8955.427882][ T73] fib6_nh_init+0x3d8/0x1580 [ 8955.427882][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8955.427882][ T73] ip6_route_add+0x1c/0x140 [ 8955.427882][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8955.427882][ T73] addrconf_add_dev+0xe2/0x170 [ 8955.427882][ T73] inet6_addr_add+0x12f/0xa40 [ 8955.427882][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8955.427882][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.427882][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.427882][ T73] netlink_unicast+0x449/0x710 [ 8955.427882][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.427882][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.427882][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.427882][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.427882][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.427882][ T73] [ 8955.429852][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8955.429852][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8955.429852][ T73] ipv6_find_idev+0x102/0x170 [ 8955.429852][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8955.429852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.429852][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.429852][ T73] netlink_unicast+0x449/0x710 [ 8955.429852][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.429852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.429852][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.429852][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.429852][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.429852][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.429852][ T73] [ 8955.431403][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8955.431403][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8955.431403][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8955.431403][ T73] ipv6_find_idev+0x102/0x170 [ 8955.431403][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8955.431403][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.431403][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.431403][ T73] netlink_unicast+0x449/0x710 [ 8955.431403][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.431403][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.431403][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.431403][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.431403][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.431403][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.431403][ T73] [ 8955.433185][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8955.433442][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8955.433442][ T73] dst_init+0x84/0x4a0 [ 8955.433442][ T73] dst_alloc+0x97/0x150 [ 8955.433442][ T73] ip6_dst_alloc+0x23/0x90 [ 8955.433442][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8955.433442][ T73] ip6_pol_route+0x56f/0x840 [ 8955.433442][ T73] fib6_rule_lookup+0x456/0x630 [ 8955.433442][ T73] ip6_route_input+0x59c/0xa50 [ 8955.433442][ T73] ipv6_rcv+0x397/0x810 [ 8955.433442][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8955.433442][ T73] process_backlog+0x101/0x620 [ 8955.433442][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8955.433442][ T73] net_rx_action+0x495/0xbe0 [ 8955.433442][ T73] __do_softirq+0x1b5/0x7f6 [ 8955.433442][ T73] [ 8955.435105][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8955.435105][ T73] netdev_get_by_index+0x5e/0x80 [ 8955.435105][ T73] fib6_nh_init+0x3d8/0x1580 [ 8955.435105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8955.435105][ T73] ip6_route_add+0x1c/0x140 [ 8955.435105][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8955.435105][ T73] inet6_addr_add+0x4f8/0xa40 [ 8955.435105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8955.435105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.435105][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.435105][ T73] netlink_unicast+0x449/0x710 [ 8955.435105][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.435105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.435105][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.435105][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.435105][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.435105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.435105][ T73] [ 8955.437122][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8955.437122][ T73] netdev_get_by_index+0x5e/0x80 [ 8955.437122][ T73] fib6_nh_init+0x3d8/0x1580 [ 8955.437122][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8955.437122][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8955.437122][ T73] ipv6_add_addr+0x411/0x2000 [ 8955.437122][ T73] inet6_addr_add+0x30e/0xa40 [ 8955.437122][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8955.437122][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.437122][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.437122][ T73] netlink_unicast+0x449/0x710 [ 8955.437122][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.437122][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.437122][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.437122][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.437122][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.437122][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.437122][ T73] [ 8955.439139][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8955.439139][ T73] netdev_get_by_index+0x5e/0x80 [ 8955.439139][ T73] fib6_nh_init+0x3d8/0x1580 [ 8955.439139][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8955.439139][ T73] ip6_route_add+0x1c/0x140 [ 8955.439139][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8955.439139][ T73] addrconf_add_dev+0xe2/0x170 [ 8955.439139][ T73] inet6_addr_add+0x12f/0xa40 [ 8955.439139][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8955.439139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.439139][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.439139][ T73] netlink_unicast+0x449/0x710 [ 8955.439139][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.439139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.439139][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.439139][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.439139][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.439139][ T73] [ 8955.441128][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8955.441128][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8955.441128][ T73] ipv6_find_idev+0x102/0x170 [ 8955.441128][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8955.441128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.441128][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.441128][ T73] netlink_unicast+0x449/0x710 [ 8955.441128][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.441128][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.441128][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.441128][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.441128][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.441128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.441128][ T73] [ 8955.442755][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8955.442755][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8955.442755][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8955.442755][ T73] ipv6_find_idev+0x102/0x170 [ 8955.442755][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8955.442755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8955.442755][ T73] netlink_rcv_skb+0x130/0x360 [ 8955.442755][ T73] netlink_unicast+0x449/0x710 [ 8955.442755][ T73] netlink_sendmsg+0x723/0xbe0 [ 8955.442755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8955.442755][ T73] ___sys_sendmsg+0xee/0x170 [ 8955.442755][ T73] __sys_sendmsg+0xcd/0x170 [ 8955.442755][ T73] do_syscall_64+0xc6/0x1e0 [ 8955.442755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8955.442755][ T73] [ 8962.829672][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8962.830171][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8962.830171][ T1076] netdev_get_by_index+0x5e/0x80 [ 8962.830171][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8962.830171][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8962.830171][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8962.830171][ T1076] ipv6_add_addr+0x411/0x2000 [ 8962.830171][ T1076] inet6_addr_add+0x30e/0xa40 [ 8962.830171][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8962.830171][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.830171][ T1076] netlink_rcv_skb+0x130/0x360 [ 8962.830171][ T1076] netlink_unicast+0x449/0x710 [ 8962.830171][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8962.830171][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8962.830171][ T1076] ___sys_sendmsg+0xee/0x170 [ 8962.830171][ T1076] __sys_sendmsg+0xcd/0x170 [ 8962.830171][ T1076] do_syscall_64+0xc6/0x1e0 [ 8962.830171][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.830171][ T1076] [ 8962.832459][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8962.832459][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8962.832459][ T1076] ipv6_find_idev+0x102/0x170 [ 8962.832459][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8962.832459][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.832459][ T1076] netlink_rcv_skb+0x130/0x360 [ 8962.832459][ T1076] netlink_unicast+0x449/0x710 [ 8962.832459][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8962.832459][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8962.832459][ T1076] ___sys_sendmsg+0xee/0x170 [ 8962.832459][ T1076] __sys_sendmsg+0xcd/0x170 [ 8962.832459][ T1076] do_syscall_64+0xc6/0x1e0 [ 8962.832459][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.832459][ T1076] [ 8962.834193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8962.834193][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8962.834193][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8962.834193][ T1076] ipv6_find_idev+0x102/0x170 [ 8962.834193][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8962.834193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8962.834193][ T1076] netlink_rcv_skb+0x130/0x360 [ 8962.834193][ T1076] netlink_unicast+0x449/0x710 [ 8962.834193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8962.834193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8962.834193][ T1076] ___sys_sendmsg+0xee/0x170 [ 8962.834193][ T1076] __sys_sendmsg+0xcd/0x170 [ 8962.834193][ T1076] do_syscall_64+0xc6/0x1e0 [ 8962.834193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8962.834193][ T1076] [ 8965.685730][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8965.686156][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8965.686156][ T73] dst_init+0x84/0x4a0 [ 8965.686156][ T73] dst_alloc+0x97/0x150 [ 8965.686156][ T73] ip6_dst_alloc+0x23/0x90 [ 8965.686156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8965.686156][ T73] ip6_pol_route+0x56f/0x840 [ 8965.686156][ T73] fib6_rule_lookup+0x456/0x630 [ 8965.686156][ T73] ip6_route_input+0x59c/0xa50 [ 8965.686156][ T73] ipv6_rcv+0x397/0x810 [ 8965.686156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8965.686156][ T73] process_backlog+0x101/0x620 [ 8965.686156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8965.686156][ T73] net_rx_action+0x495/0xbe0 [ 8965.686156][ T73] __do_softirq+0x1b5/0x7f6 [ 8965.686156][ T73] [ 8965.687816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8965.687816][ T73] netdev_get_by_index+0x5e/0x80 [ 8965.687816][ T73] fib6_nh_init+0x3d8/0x1580 [ 8965.687816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8965.687816][ T73] ip6_route_add+0x1c/0x140 [ 8965.687816][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8965.687816][ T73] inet6_addr_add+0x4f8/0xa40 [ 8965.687816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8965.687816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.687816][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.687816][ T73] netlink_unicast+0x449/0x710 [ 8965.687816][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.687816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.687816][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.687816][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.687816][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.687816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.687816][ T73] [ 8965.689821][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8965.689821][ T73] netdev_get_by_index+0x5e/0x80 [ 8965.689821][ T73] fib6_nh_init+0x3d8/0x1580 [ 8965.689821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8965.689821][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8965.689821][ T73] ipv6_add_addr+0x411/0x2000 [ 8965.689821][ T73] inet6_addr_add+0x30e/0xa40 [ 8965.689821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8965.689821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.689821][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.689821][ T73] netlink_unicast+0x449/0x710 [ 8965.689821][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.689821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.689821][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.689821][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.689821][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.689821][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.689821][ T73] [ 8965.691826][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8965.691826][ T73] netdev_get_by_index+0x5e/0x80 [ 8965.691826][ T73] fib6_nh_init+0x3d8/0x1580 [ 8965.691826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8965.691826][ T73] ip6_route_add+0x1c/0x140 [ 8965.691826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8965.691826][ T73] addrconf_add_dev+0xe2/0x170 [ 8965.691826][ T73] inet6_addr_add+0x12f/0xa40 [ 8965.691826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8965.691826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.691826][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.691826][ T73] netlink_unicast+0x449/0x710 [ 8965.691826][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.691826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.691826][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.691826][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.691826][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.691826][ T73] [ 8965.693805][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8965.693805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8965.693805][ T73] ipv6_find_idev+0x102/0x170 [ 8965.693805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8965.693805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.693805][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.693805][ T73] netlink_unicast+0x449/0x710 [ 8965.693805][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.693805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.693805][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.693805][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.693805][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.693805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.693805][ T73] [ 8965.695346][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8965.695346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8965.695346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8965.695346][ T73] ipv6_find_idev+0x102/0x170 [ 8965.695346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8965.695346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.695346][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.695346][ T73] netlink_unicast+0x449/0x710 [ 8965.695346][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.695346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.695346][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.695346][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.695346][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.695346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.695346][ T73] [ 8965.697035][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8965.697275][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8965.697275][ T73] dst_init+0x84/0x4a0 [ 8965.697275][ T73] dst_alloc+0x97/0x150 [ 8965.697275][ T73] ip6_dst_alloc+0x23/0x90 [ 8965.697275][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8965.697275][ T73] ip6_pol_route+0x56f/0x840 [ 8965.697275][ T73] fib6_rule_lookup+0x456/0x630 [ 8965.697275][ T73] ip6_route_input+0x59c/0xa50 [ 8965.697275][ T73] ipv6_rcv+0x397/0x810 [ 8965.697275][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8965.697275][ T73] process_backlog+0x101/0x620 [ 8965.697275][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8965.697275][ T73] net_rx_action+0x495/0xbe0 [ 8965.697275][ T73] __do_softirq+0x1b5/0x7f6 [ 8965.697275][ T73] [ 8965.699296][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8965.699296][ T73] netdev_get_by_index+0x5e/0x80 [ 8965.699296][ T73] fib6_nh_init+0x3d8/0x1580 [ 8965.699296][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8965.699296][ T73] ip6_route_add+0x1c/0x140 [ 8965.699296][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8965.699296][ T73] inet6_addr_add+0x4f8/0xa40 [ 8965.699296][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8965.699296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.699296][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.699296][ T73] netlink_unicast+0x449/0x710 [ 8965.699296][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.699296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.699296][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.699296][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.699296][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.699296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.699296][ T73] [ 8965.701286][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8965.701286][ T73] netdev_get_by_index+0x5e/0x80 [ 8965.701286][ T73] fib6_nh_init+0x3d8/0x1580 [ 8965.701286][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8965.701286][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8965.701286][ T73] ipv6_add_addr+0x411/0x2000 [ 8965.701286][ T73] inet6_addr_add+0x30e/0xa40 [ 8965.701286][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8965.701286][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.701286][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.701286][ T73] netlink_unicast+0x449/0x710 [ 8965.701286][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.701286][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.701286][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.701286][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.701286][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.701286][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.701286][ T73] [ 8965.703290][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8965.703290][ T73] netdev_get_by_index+0x5e/0x80 [ 8965.703290][ T73] fib6_nh_init+0x3d8/0x1580 [ 8965.703290][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8965.703290][ T73] ip6_route_add+0x1c/0x140 [ 8965.703290][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8965.703290][ T73] addrconf_add_dev+0xe2/0x170 [ 8965.703290][ T73] inet6_addr_add+0x12f/0xa40 [ 8965.703290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8965.703290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.703290][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.703290][ T73] netlink_unicast+0x449/0x710 [ 8965.703290][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.703290][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.703290][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.703290][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.703290][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.703290][ T73] [ 8965.705243][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8965.705243][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8965.705243][ T73] ipv6_find_idev+0x102/0x170 [ 8965.705243][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8965.705243][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.705243][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.705243][ T73] netlink_unicast+0x449/0x710 [ 8965.705243][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.705243][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.705243][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.705243][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.705243][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.705243][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.705243][ T73] [ 8965.706778][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8965.706778][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8965.706778][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8965.706778][ T73] ipv6_find_idev+0x102/0x170 [ 8965.706778][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8965.706778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8965.706778][ T73] netlink_rcv_skb+0x130/0x360 [ 8965.706778][ T73] netlink_unicast+0x449/0x710 [ 8965.706778][ T73] netlink_sendmsg+0x723/0xbe0 [ 8965.706778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8965.706778][ T73] ___sys_sendmsg+0xee/0x170 [ 8965.706778][ T73] __sys_sendmsg+0xcd/0x170 [ 8965.706778][ T73] do_syscall_64+0xc6/0x1e0 [ 8965.706778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8965.706778][ T73] [ 8973.077726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8973.078218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8973.078218][ T1076] netdev_get_by_index+0x5e/0x80 [ 8973.078218][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8973.078218][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8973.078218][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8973.078218][ T1076] ipv6_add_addr+0x411/0x2000 [ 8973.078218][ T1076] inet6_addr_add+0x30e/0xa40 [ 8973.078218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8973.078218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8973.078218][ T1076] netlink_rcv_skb+0x130/0x360 [ 8973.078218][ T1076] netlink_unicast+0x449/0x710 [ 8973.078218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8973.078218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8973.078218][ T1076] ___sys_sendmsg+0xee/0x170 [ 8973.078218][ T1076] __sys_sendmsg+0xcd/0x170 [ 8973.078218][ T1076] do_syscall_64+0xc6/0x1e0 [ 8973.078218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8973.078218][ T1076] [ 8973.080588][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8973.080588][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8973.080588][ T1076] ipv6_find_idev+0x102/0x170 [ 8973.080588][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8973.080588][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8973.080588][ T1076] netlink_rcv_skb+0x130/0x360 [ 8973.080588][ T1076] netlink_unicast+0x449/0x710 [ 8973.080588][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8973.080588][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8973.080588][ T1076] ___sys_sendmsg+0xee/0x170 [ 8973.080588][ T1076] __sys_sendmsg+0xcd/0x170 [ 8973.080588][ T1076] do_syscall_64+0xc6/0x1e0 [ 8973.080588][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8973.080588][ T1076] [ 8973.082349][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8973.082349][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8973.082349][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8973.082349][ T1076] ipv6_find_idev+0x102/0x170 [ 8973.082349][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8973.082349][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8973.082349][ T1076] netlink_rcv_skb+0x130/0x360 [ 8973.082349][ T1076] netlink_unicast+0x449/0x710 [ 8973.082349][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8973.082349][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8973.082349][ T1076] ___sys_sendmsg+0xee/0x170 [ 8973.082349][ T1076] __sys_sendmsg+0xcd/0x170 [ 8973.082349][ T1076] do_syscall_64+0xc6/0x1e0 [ 8973.082349][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8973.082349][ T1076] [ 8975.949731][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8975.950152][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8975.950152][ T73] dst_init+0x84/0x4a0 [ 8975.950152][ T73] dst_alloc+0x97/0x150 [ 8975.950152][ T73] ip6_dst_alloc+0x23/0x90 [ 8975.950152][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8975.950152][ T73] ip6_pol_route+0x56f/0x840 [ 8975.950152][ T73] fib6_rule_lookup+0x456/0x630 [ 8975.950152][ T73] ip6_route_input+0x59c/0xa50 [ 8975.950152][ T73] ipv6_rcv+0x397/0x810 [ 8975.950152][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8975.950152][ T73] process_backlog+0x101/0x620 [ 8975.950152][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8975.950152][ T73] net_rx_action+0x495/0xbe0 [ 8975.950152][ T73] __do_softirq+0x1b5/0x7f6 [ 8975.950152][ T73] [ 8975.951830][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8975.951830][ T73] netdev_get_by_index+0x5e/0x80 [ 8975.951830][ T73] fib6_nh_init+0x3d8/0x1580 [ 8975.951830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8975.951830][ T73] ip6_route_add+0x1c/0x140 [ 8975.951830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8975.951830][ T73] inet6_addr_add+0x4f8/0xa40 [ 8975.951830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8975.951830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.951830][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.951830][ T73] netlink_unicast+0x449/0x710 [ 8975.951830][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.951830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.951830][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.951830][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.951830][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.951830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.951830][ T73] [ 8975.953830][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8975.953830][ T73] netdev_get_by_index+0x5e/0x80 [ 8975.953830][ T73] fib6_nh_init+0x3d8/0x1580 [ 8975.953830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8975.953830][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8975.953830][ T73] ipv6_add_addr+0x411/0x2000 [ 8975.953830][ T73] inet6_addr_add+0x30e/0xa40 [ 8975.953830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8975.953830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.953830][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.953830][ T73] netlink_unicast+0x449/0x710 [ 8975.953830][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.953830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.953830][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.953830][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.953830][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.953830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.953830][ T73] [ 8975.955824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8975.955824][ T73] netdev_get_by_index+0x5e/0x80 [ 8975.955824][ T73] fib6_nh_init+0x3d8/0x1580 [ 8975.955824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8975.955824][ T73] ip6_route_add+0x1c/0x140 [ 8975.955824][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8975.955824][ T73] addrconf_add_dev+0xe2/0x170 [ 8975.955824][ T73] inet6_addr_add+0x12f/0xa40 [ 8975.955824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8975.955824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.955824][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.955824][ T73] netlink_unicast+0x449/0x710 [ 8975.955824][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.955824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.955824][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.955824][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.955824][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.955824][ T73] [ 8975.957781][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8975.957781][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8975.957781][ T73] ipv6_find_idev+0x102/0x170 [ 8975.957781][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8975.957781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.957781][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.957781][ T73] netlink_unicast+0x449/0x710 [ 8975.957781][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.957781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.957781][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.957781][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.957781][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.957781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.957781][ T73] [ 8975.959312][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8975.959312][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8975.959312][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8975.959312][ T73] ipv6_find_idev+0x102/0x170 [ 8975.959312][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8975.959312][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.959312][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.959312][ T73] netlink_unicast+0x449/0x710 [ 8975.959312][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.959312][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.959312][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.959312][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.959312][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.959312][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.959312][ T73] [ 8975.960988][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8975.961222][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8975.961222][ T73] dst_init+0x84/0x4a0 [ 8975.961222][ T73] dst_alloc+0x97/0x150 [ 8975.961222][ T73] ip6_dst_alloc+0x23/0x90 [ 8975.961222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8975.961222][ T73] ip6_pol_route+0x56f/0x840 [ 8975.961222][ T73] fib6_rule_lookup+0x456/0x630 [ 8975.961222][ T73] ip6_route_input+0x59c/0xa50 [ 8975.961222][ T73] ipv6_rcv+0x397/0x810 [ 8975.961222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8975.961222][ T73] process_backlog+0x101/0x620 [ 8975.961222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8975.961222][ T73] net_rx_action+0x495/0xbe0 [ 8975.961222][ T73] __do_softirq+0x1b5/0x7f6 [ 8975.961222][ T73] [ 8975.962865][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8975.962865][ T73] netdev_get_by_index+0x5e/0x80 [ 8975.962865][ T73] fib6_nh_init+0x3d8/0x1580 [ 8975.962865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8975.962865][ T73] ip6_route_add+0x1c/0x140 [ 8975.962865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8975.962865][ T73] inet6_addr_add+0x4f8/0xa40 [ 8975.962865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8975.962865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.962865][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.962865][ T73] netlink_unicast+0x449/0x710 [ 8975.962865][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.962865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.962865][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.962865][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.962865][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.962865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.962865][ T73] [ 8975.964871][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8975.964871][ T73] netdev_get_by_index+0x5e/0x80 [ 8975.964871][ T73] fib6_nh_init+0x3d8/0x1580 [ 8975.964871][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8975.964871][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8975.964871][ T73] ipv6_add_addr+0x411/0x2000 [ 8975.964871][ T73] inet6_addr_add+0x30e/0xa40 [ 8975.964871][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8975.964871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.964871][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.964871][ T73] netlink_unicast+0x449/0x710 [ 8975.964871][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.964871][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.964871][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.964871][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.964871][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.964871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.964871][ T73] [ 8975.966864][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8975.966864][ T73] netdev_get_by_index+0x5e/0x80 [ 8975.966864][ T73] fib6_nh_init+0x3d8/0x1580 [ 8975.966864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8975.966864][ T73] ip6_route_add+0x1c/0x140 [ 8975.966864][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8975.966864][ T73] addrconf_add_dev+0xe2/0x170 [ 8975.966864][ T73] inet6_addr_add+0x12f/0xa40 [ 8975.966864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8975.966864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.966864][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.966864][ T73] netlink_unicast+0x449/0x710 [ 8975.966864][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.966864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.966864][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.966864][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.966864][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.966864][ T73] [ 8975.968820][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8975.968820][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8975.968820][ T73] ipv6_find_idev+0x102/0x170 [ 8975.968820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8975.968820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.968820][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.968820][ T73] netlink_unicast+0x449/0x710 [ 8975.968820][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.968820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.968820][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.968820][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.968820][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.968820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.968820][ T73] [ 8975.970615][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8975.970615][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8975.970615][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8975.970615][ T73] ipv6_find_idev+0x102/0x170 [ 8975.970615][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8975.970615][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8975.970615][ T73] netlink_rcv_skb+0x130/0x360 [ 8975.970615][ T73] netlink_unicast+0x449/0x710 [ 8975.970615][ T73] netlink_sendmsg+0x723/0xbe0 [ 8975.970615][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8975.970615][ T73] ___sys_sendmsg+0xee/0x170 [ 8975.970615][ T73] __sys_sendmsg+0xcd/0x170 [ 8975.970615][ T73] do_syscall_64+0xc6/0x1e0 [ 8975.970615][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8975.970615][ T73] [ 8983.333739][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8983.334237][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8983.334237][ T1076] netdev_get_by_index+0x5e/0x80 [ 8983.334237][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8983.334237][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8983.334237][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8983.334237][ T1076] ipv6_add_addr+0x411/0x2000 [ 8983.334237][ T1076] inet6_addr_add+0x30e/0xa40 [ 8983.334237][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8983.334237][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.334237][ T1076] netlink_rcv_skb+0x130/0x360 [ 8983.334237][ T1076] netlink_unicast+0x449/0x710 [ 8983.334237][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8983.334237][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8983.334237][ T1076] ___sys_sendmsg+0xee/0x170 [ 8983.334237][ T1076] __sys_sendmsg+0xcd/0x170 [ 8983.334237][ T1076] do_syscall_64+0xc6/0x1e0 [ 8983.334237][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.334237][ T1076] [ 8983.336482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8983.336482][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8983.336482][ T1076] ipv6_find_idev+0x102/0x170 [ 8983.336482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8983.336482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.336482][ T1076] netlink_rcv_skb+0x130/0x360 [ 8983.336482][ T1076] netlink_unicast+0x449/0x710 [ 8983.336482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8983.336482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8983.336482][ T1076] ___sys_sendmsg+0xee/0x170 [ 8983.336482][ T1076] __sys_sendmsg+0xcd/0x170 [ 8983.336482][ T1076] do_syscall_64+0xc6/0x1e0 [ 8983.336482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.336482][ T1076] [ 8983.338208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8983.338208][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8983.338208][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8983.338208][ T1076] ipv6_find_idev+0x102/0x170 [ 8983.338208][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8983.338208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8983.338208][ T1076] netlink_rcv_skb+0x130/0x360 [ 8983.338208][ T1076] netlink_unicast+0x449/0x710 [ 8983.338208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8983.338208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8983.338208][ T1076] ___sys_sendmsg+0xee/0x170 [ 8983.338208][ T1076] __sys_sendmsg+0xcd/0x170 [ 8983.338208][ T1076] do_syscall_64+0xc6/0x1e0 [ 8983.338208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8983.338208][ T1076] [ 8986.213694][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8986.214101][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8986.214101][ T73] dst_init+0x84/0x4a0 [ 8986.214101][ T73] dst_alloc+0x97/0x150 [ 8986.214101][ T73] ip6_dst_alloc+0x23/0x90 [ 8986.214101][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8986.214101][ T73] ip6_pol_route+0x56f/0x840 [ 8986.214101][ T73] fib6_rule_lookup+0x456/0x630 [ 8986.214101][ T73] ip6_route_input+0x59c/0xa50 [ 8986.214101][ T73] ipv6_rcv+0x397/0x810 [ 8986.214101][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8986.214101][ T73] process_backlog+0x101/0x620 [ 8986.214101][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8986.214101][ T73] net_rx_action+0x495/0xbe0 [ 8986.214101][ T73] __do_softirq+0x1b5/0x7f6 [ 8986.214101][ T73] [ 8986.215752][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8986.215752][ T73] netdev_get_by_index+0x5e/0x80 [ 8986.215752][ T73] fib6_nh_init+0x3d8/0x1580 [ 8986.215752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8986.215752][ T73] ip6_route_add+0x1c/0x140 [ 8986.215752][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8986.215752][ T73] inet6_addr_add+0x4f8/0xa40 [ 8986.215752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8986.215752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.215752][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.215752][ T73] netlink_unicast+0x449/0x710 [ 8986.215752][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.215752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.215752][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.215752][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.215752][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.215752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.215752][ T73] [ 8986.217733][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8986.217733][ T73] netdev_get_by_index+0x5e/0x80 [ 8986.217733][ T73] fib6_nh_init+0x3d8/0x1580 [ 8986.217733][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8986.217733][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8986.217733][ T73] ipv6_add_addr+0x411/0x2000 [ 8986.217733][ T73] inet6_addr_add+0x30e/0xa40 [ 8986.217733][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8986.217733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.217733][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.217733][ T73] netlink_unicast+0x449/0x710 [ 8986.217733][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.217733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.217733][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.217733][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.217733][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.217733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.217733][ T73] [ 8986.219715][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8986.219715][ T73] netdev_get_by_index+0x5e/0x80 [ 8986.219715][ T73] fib6_nh_init+0x3d8/0x1580 [ 8986.219715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8986.219715][ T73] ip6_route_add+0x1c/0x140 [ 8986.219715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8986.219715][ T73] addrconf_add_dev+0xe2/0x170 [ 8986.219715][ T73] inet6_addr_add+0x12f/0xa40 [ 8986.219715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8986.219715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.219715][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.219715][ T73] netlink_unicast+0x449/0x710 [ 8986.219715][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.219715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.219715][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.219715][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.219715][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.219715][ T73] [ 8986.221676][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8986.221676][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8986.221676][ T73] ipv6_find_idev+0x102/0x170 [ 8986.221676][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8986.221676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.221676][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.221676][ T73] netlink_unicast+0x449/0x710 [ 8986.221676][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.221676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.221676][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.221676][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.221676][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.221676][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.221676][ T73] [ 8986.223202][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8986.223202][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8986.223202][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8986.223202][ T73] ipv6_find_idev+0x102/0x170 [ 8986.223202][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8986.223202][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.223202][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.223202][ T73] netlink_unicast+0x449/0x710 [ 8986.223202][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.223202][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.223202][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.223202][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.223202][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.223202][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.223202][ T73] [ 8986.224882][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8986.225120][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8986.225120][ T73] dst_init+0x84/0x4a0 [ 8986.225120][ T73] dst_alloc+0x97/0x150 [ 8986.225120][ T73] ip6_dst_alloc+0x23/0x90 [ 8986.225120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8986.225120][ T73] ip6_pol_route+0x56f/0x840 [ 8986.225120][ T73] fib6_rule_lookup+0x456/0x630 [ 8986.225120][ T73] ip6_route_input+0x59c/0xa50 [ 8986.225120][ T73] ipv6_rcv+0x397/0x810 [ 8986.225120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8986.225120][ T73] process_backlog+0x101/0x620 [ 8986.225120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8986.225120][ T73] net_rx_action+0x495/0xbe0 [ 8986.225120][ T73] __do_softirq+0x1b5/0x7f6 [ 8986.225120][ T73] [ 8986.226740][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8986.226740][ T73] netdev_get_by_index+0x5e/0x80 [ 8986.226740][ T73] fib6_nh_init+0x3d8/0x1580 [ 8986.226740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8986.226740][ T73] ip6_route_add+0x1c/0x140 [ 8986.226740][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8986.226740][ T73] inet6_addr_add+0x4f8/0xa40 [ 8986.226740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8986.226740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.226740][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.226740][ T73] netlink_unicast+0x449/0x710 [ 8986.226740][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.226740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.226740][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.226740][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.226740][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.226740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.226740][ T73] [ 8986.228717][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8986.228717][ T73] netdev_get_by_index+0x5e/0x80 [ 8986.228717][ T73] fib6_nh_init+0x3d8/0x1580 [ 8986.228717][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8986.228717][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8986.228717][ T73] ipv6_add_addr+0x411/0x2000 [ 8986.228717][ T73] inet6_addr_add+0x30e/0xa40 [ 8986.228717][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8986.228717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.228717][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.228717][ T73] netlink_unicast+0x449/0x710 [ 8986.228717][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.228717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.228717][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.228717][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.228717][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.228717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.228717][ T73] [ 8986.230695][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8986.230695][ T73] netdev_get_by_index+0x5e/0x80 [ 8986.230695][ T73] fib6_nh_init+0x3d8/0x1580 [ 8986.230695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8986.230695][ T73] ip6_route_add+0x1c/0x140 [ 8986.230695][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8986.230695][ T73] addrconf_add_dev+0xe2/0x170 [ 8986.230695][ T73] inet6_addr_add+0x12f/0xa40 [ 8986.230695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8986.230695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.230695][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.230695][ T73] netlink_unicast+0x449/0x710 [ 8986.230695][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.230695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.230695][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.230695][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.230695][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.230695][ T73] [ 8986.232646][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8986.232646][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8986.232646][ T73] ipv6_find_idev+0x102/0x170 [ 8986.232646][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8986.232646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.232646][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.232646][ T73] netlink_unicast+0x449/0x710 [ 8986.232646][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.232646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.232646][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.232646][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.232646][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.232646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.232646][ T73] [ 8986.234172][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8986.234172][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8986.234172][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8986.234172][ T73] ipv6_find_idev+0x102/0x170 [ 8986.234172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8986.234172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8986.234172][ T73] netlink_rcv_skb+0x130/0x360 [ 8986.234172][ T73] netlink_unicast+0x449/0x710 [ 8986.234172][ T73] netlink_sendmsg+0x723/0xbe0 [ 8986.234172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8986.234172][ T73] ___sys_sendmsg+0xee/0x170 [ 8986.234172][ T73] __sys_sendmsg+0xcd/0x170 [ 8986.234172][ T73] do_syscall_64+0xc6/0x1e0 [ 8986.234172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8986.234172][ T73] [ 8993.381703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 8993.382146][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8993.382146][ T1076] netdev_get_by_index+0x5e/0x80 [ 8993.382146][ T1076] fib6_nh_init+0x3d8/0x1580 [ 8993.382146][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 8993.382146][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 8993.382146][ T1076] ipv6_add_addr+0x411/0x2000 [ 8993.382146][ T1076] inet6_addr_add+0x30e/0xa40 [ 8993.382146][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 8993.382146][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.382146][ T1076] netlink_rcv_skb+0x130/0x360 [ 8993.382146][ T1076] netlink_unicast+0x449/0x710 [ 8993.382146][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8993.382146][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8993.382146][ T1076] ___sys_sendmsg+0xee/0x170 [ 8993.382146][ T1076] __sys_sendmsg+0xcd/0x170 [ 8993.382146][ T1076] do_syscall_64+0xc6/0x1e0 [ 8993.382146][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.382146][ T1076] [ 8993.384403][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8993.384403][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 8993.384403][ T1076] ipv6_find_idev+0x102/0x170 [ 8993.384403][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8993.384403][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.384403][ T1076] netlink_rcv_skb+0x130/0x360 [ 8993.384403][ T1076] netlink_unicast+0x449/0x710 [ 8993.384403][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8993.384403][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8993.384403][ T1076] ___sys_sendmsg+0xee/0x170 [ 8993.384403][ T1076] __sys_sendmsg+0xcd/0x170 [ 8993.384403][ T1076] do_syscall_64+0xc6/0x1e0 [ 8993.384403][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.384403][ T1076] [ 8993.386129][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 8993.386129][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 8993.386129][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 8993.386129][ T1076] ipv6_find_idev+0x102/0x170 [ 8993.386129][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 8993.386129][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8993.386129][ T1076] netlink_rcv_skb+0x130/0x360 [ 8993.386129][ T1076] netlink_unicast+0x449/0x710 [ 8993.386129][ T1076] netlink_sendmsg+0x723/0xbe0 [ 8993.386129][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 8993.386129][ T1076] ___sys_sendmsg+0xee/0x170 [ 8993.386129][ T1076] __sys_sendmsg+0xcd/0x170 [ 8993.386129][ T1076] do_syscall_64+0xc6/0x1e0 [ 8993.386129][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8993.386129][ T1076] [ 8996.477700][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 8996.478117][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 8996.478117][ T73] dst_init+0x84/0x4a0 [ 8996.478117][ T73] dst_alloc+0x97/0x150 [ 8996.478117][ T73] ip6_dst_alloc+0x23/0x90 [ 8996.478117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8996.478117][ T73] ip6_pol_route+0x56f/0x840 [ 8996.478117][ T73] fib6_rule_lookup+0x456/0x630 [ 8996.478117][ T73] ip6_route_input+0x59c/0xa50 [ 8996.478117][ T73] ipv6_rcv+0x397/0x810 [ 8996.478117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8996.478117][ T73] process_backlog+0x101/0x620 [ 8996.478117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8996.478117][ T73] net_rx_action+0x495/0xbe0 [ 8996.478117][ T73] __do_softirq+0x1b5/0x7f6 [ 8996.478117][ T73] [ 8996.479771][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8996.479771][ T73] netdev_get_by_index+0x5e/0x80 [ 8996.479771][ T73] fib6_nh_init+0x3d8/0x1580 [ 8996.479771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8996.479771][ T73] ip6_route_add+0x1c/0x140 [ 8996.479771][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8996.479771][ T73] inet6_addr_add+0x4f8/0xa40 [ 8996.479771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8996.479771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.479771][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.479771][ T73] netlink_unicast+0x449/0x710 [ 8996.479771][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.479771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.479771][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.479771][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.479771][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.479771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.479771][ T73] [ 8996.481797][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8996.481797][ T73] netdev_get_by_index+0x5e/0x80 [ 8996.481797][ T73] fib6_nh_init+0x3d8/0x1580 [ 8996.481797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8996.481797][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8996.481797][ T73] ipv6_add_addr+0x411/0x2000 [ 8996.481797][ T73] inet6_addr_add+0x30e/0xa40 [ 8996.481797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8996.481797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.481797][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.481797][ T73] netlink_unicast+0x449/0x710 [ 8996.481797][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.481797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.481797][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.481797][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.481797][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.481797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.481797][ T73] [ 8996.483781][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8996.483781][ T73] netdev_get_by_index+0x5e/0x80 [ 8996.483781][ T73] fib6_nh_init+0x3d8/0x1580 [ 8996.483781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8996.483781][ T73] ip6_route_add+0x1c/0x140 [ 8996.483781][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8996.483781][ T73] addrconf_add_dev+0xe2/0x170 [ 8996.483781][ T73] inet6_addr_add+0x12f/0xa40 [ 8996.483781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8996.483781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.483781][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.483781][ T73] netlink_unicast+0x449/0x710 [ 8996.483781][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.483781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.483781][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.483781][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.483781][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.483781][ T73] [ 8996.485747][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8996.485747][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8996.485747][ T73] ipv6_find_idev+0x102/0x170 [ 8996.485747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8996.485747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.485747][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.485747][ T73] netlink_unicast+0x449/0x710 [ 8996.485747][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.485747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.485747][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.485747][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.485747][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.485747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.485747][ T73] [ 8996.487275][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 8996.487275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8996.487275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8996.487275][ T73] ipv6_find_idev+0x102/0x170 [ 8996.487275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8996.487275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.487275][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.487275][ T73] netlink_unicast+0x449/0x710 [ 8996.487275][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.487275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.487275][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.487275][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.487275][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.487275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.487275][ T73] [ 8996.488952][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 8996.489187][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8996.489187][ T73] dst_init+0x84/0x4a0 [ 8996.489187][ T73] dst_alloc+0x97/0x150 [ 8996.489187][ T73] ip6_dst_alloc+0x23/0x90 [ 8996.489187][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 8996.489187][ T73] ip6_pol_route+0x56f/0x840 [ 8996.489187][ T73] fib6_rule_lookup+0x456/0x630 [ 8996.489187][ T73] ip6_route_input+0x59c/0xa50 [ 8996.489187][ T73] ipv6_rcv+0x397/0x810 [ 8996.489187][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 8996.489187][ T73] process_backlog+0x101/0x620 [ 8996.489187][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 8996.489187][ T73] net_rx_action+0x495/0xbe0 [ 8996.489187][ T73] __do_softirq+0x1b5/0x7f6 [ 8996.489187][ T73] [ 8996.490822][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8996.490822][ T73] netdev_get_by_index+0x5e/0x80 [ 8996.490822][ T73] fib6_nh_init+0x3d8/0x1580 [ 8996.490822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8996.490822][ T73] ip6_route_add+0x1c/0x140 [ 8996.490822][ T73] addrconf_prefix_route+0x2a6/0x430 [ 8996.490822][ T73] inet6_addr_add+0x4f8/0xa40 [ 8996.490822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8996.490822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.490822][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.490822][ T73] netlink_unicast+0x449/0x710 [ 8996.490822][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.490822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.490822][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.490822][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.490822][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.490822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.490822][ T73] [ 8996.492812][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8996.492812][ T73] netdev_get_by_index+0x5e/0x80 [ 8996.492812][ T73] fib6_nh_init+0x3d8/0x1580 [ 8996.492812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8996.492812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 8996.492812][ T73] ipv6_add_addr+0x411/0x2000 [ 8996.492812][ T73] inet6_addr_add+0x30e/0xa40 [ 8996.492812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8996.492812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.492812][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.492812][ T73] netlink_unicast+0x449/0x710 [ 8996.492812][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.492812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.492812][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.492812][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.492812][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.492812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.492812][ T73] [ 8996.494792][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8996.494792][ T73] netdev_get_by_index+0x5e/0x80 [ 8996.494792][ T73] fib6_nh_init+0x3d8/0x1580 [ 8996.494792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 8996.494792][ T73] ip6_route_add+0x1c/0x140 [ 8996.494792][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 8996.494792][ T73] addrconf_add_dev+0xe2/0x170 [ 8996.494792][ T73] inet6_addr_add+0x12f/0xa40 [ 8996.494792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 8996.494792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.494792][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.494792][ T73] netlink_unicast+0x449/0x710 [ 8996.494792][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.494792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.494792][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.494792][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.494792][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.494792][ T73] [ 8996.496744][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8996.496744][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 8996.496744][ T73] ipv6_find_idev+0x102/0x170 [ 8996.496744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8996.496744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.496744][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.496744][ T73] netlink_unicast+0x449/0x710 [ 8996.496744][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.496744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.496744][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.496744][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.496744][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.496744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.496744][ T73] [ 8996.498273][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 8996.498273][ T73] neigh_parms_alloc+0x1e5/0x510 [ 8996.498273][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 8996.498273][ T73] ipv6_find_idev+0x102/0x170 [ 8996.498273][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 8996.498273][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 8996.498273][ T73] netlink_rcv_skb+0x130/0x360 [ 8996.498273][ T73] netlink_unicast+0x449/0x710 [ 8996.498273][ T73] netlink_sendmsg+0x723/0xbe0 [ 8996.498273][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 8996.498273][ T73] ___sys_sendmsg+0xee/0x170 [ 8996.498273][ T73] __sys_sendmsg+0xcd/0x170 [ 8996.498273][ T73] do_syscall_64+0xc6/0x1e0 [ 8996.498273][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 8996.498273][ T73] [ 9003.629728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9003.630215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9003.630215][ T1076] netdev_get_by_index+0x5e/0x80 [ 9003.630215][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9003.630215][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9003.630215][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9003.630215][ T1076] ipv6_add_addr+0x411/0x2000 [ 9003.630215][ T1076] inet6_addr_add+0x30e/0xa40 [ 9003.630215][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9003.630215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.630215][ T1076] netlink_rcv_skb+0x130/0x360 [ 9003.630215][ T1076] netlink_unicast+0x449/0x710 [ 9003.630215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9003.630215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9003.630215][ T1076] ___sys_sendmsg+0xee/0x170 [ 9003.630215][ T1076] __sys_sendmsg+0xcd/0x170 [ 9003.630215][ T1076] do_syscall_64+0xc6/0x1e0 [ 9003.630215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.630215][ T1076] [ 9003.632496][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9003.632496][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9003.632496][ T1076] ipv6_find_idev+0x102/0x170 [ 9003.632496][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9003.632496][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.632496][ T1076] netlink_rcv_skb+0x130/0x360 [ 9003.632496][ T1076] netlink_unicast+0x449/0x710 [ 9003.632496][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9003.632496][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9003.632496][ T1076] ___sys_sendmsg+0xee/0x170 [ 9003.632496][ T1076] __sys_sendmsg+0xcd/0x170 [ 9003.632496][ T1076] do_syscall_64+0xc6/0x1e0 [ 9003.632496][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.632496][ T1076] [ 9003.634218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9003.634218][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9003.634218][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9003.634218][ T1076] ipv6_find_idev+0x102/0x170 [ 9003.634218][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9003.634218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9003.634218][ T1076] netlink_rcv_skb+0x130/0x360 [ 9003.634218][ T1076] netlink_unicast+0x449/0x710 [ 9003.634218][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9003.634218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9003.634218][ T1076] ___sys_sendmsg+0xee/0x170 [ 9003.634218][ T1076] __sys_sendmsg+0xcd/0x170 [ 9003.634218][ T1076] do_syscall_64+0xc6/0x1e0 [ 9003.634218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9003.634218][ T1076] [ 9006.741693][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9006.742138][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9006.742138][ T73] dst_init+0x84/0x4a0 [ 9006.742138][ T73] dst_alloc+0x97/0x150 [ 9006.742138][ T73] ip6_dst_alloc+0x23/0x90 [ 9006.742138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9006.742138][ T73] ip6_pol_route+0x56f/0x840 [ 9006.742138][ T73] fib6_rule_lookup+0x456/0x630 [ 9006.742138][ T73] ip6_route_input+0x59c/0xa50 [ 9006.742138][ T73] ipv6_rcv+0x397/0x810 [ 9006.742138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9006.742138][ T73] process_backlog+0x101/0x620 [ 9006.742138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9006.742138][ T73] net_rx_action+0x495/0xbe0 [ 9006.742138][ T73] __do_softirq+0x1b5/0x7f6 [ 9006.742138][ T73] [ 9006.743785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9006.743785][ T73] netdev_get_by_index+0x5e/0x80 [ 9006.743785][ T73] fib6_nh_init+0x3d8/0x1580 [ 9006.743785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9006.743785][ T73] ip6_route_add+0x1c/0x140 [ 9006.743785][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9006.743785][ T73] inet6_addr_add+0x4f8/0xa40 [ 9006.743785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9006.743785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.743785][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.743785][ T73] netlink_unicast+0x449/0x710 [ 9006.743785][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.743785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.743785][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.743785][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.743785][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.743785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.743785][ T73] [ 9006.745771][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9006.745771][ T73] netdev_get_by_index+0x5e/0x80 [ 9006.745771][ T73] fib6_nh_init+0x3d8/0x1580 [ 9006.745771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9006.745771][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9006.745771][ T73] ipv6_add_addr+0x411/0x2000 [ 9006.745771][ T73] inet6_addr_add+0x30e/0xa40 [ 9006.745771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9006.745771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.745771][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.745771][ T73] netlink_unicast+0x449/0x710 [ 9006.745771][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.745771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.745771][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.745771][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.745771][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.745771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.745771][ T73] [ 9006.747760][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9006.747760][ T73] netdev_get_by_index+0x5e/0x80 [ 9006.747760][ T73] fib6_nh_init+0x3d8/0x1580 [ 9006.747760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9006.747760][ T73] ip6_route_add+0x1c/0x140 [ 9006.747760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9006.747760][ T73] addrconf_add_dev+0xe2/0x170 [ 9006.747760][ T73] inet6_addr_add+0x12f/0xa40 [ 9006.747760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9006.747760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.747760][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.747760][ T73] netlink_unicast+0x449/0x710 [ 9006.747760][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.747760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.747760][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.747760][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.747760][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.747760][ T73] [ 9006.749706][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9006.749706][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9006.749706][ T73] ipv6_find_idev+0x102/0x170 [ 9006.749706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9006.749706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.749706][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.749706][ T73] netlink_unicast+0x449/0x710 [ 9006.749706][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.749706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.749706][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.749706][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.749706][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.749706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.749706][ T73] [ 9006.751242][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9006.751242][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9006.751242][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9006.751242][ T73] ipv6_find_idev+0x102/0x170 [ 9006.751242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9006.751242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.751242][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.751242][ T73] netlink_unicast+0x449/0x710 [ 9006.751242][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.751242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.751242][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.751242][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.751242][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.751242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.751242][ T73] [ 9006.752923][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9006.753167][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9006.753167][ T73] dst_init+0x84/0x4a0 [ 9006.753167][ T73] dst_alloc+0x97/0x150 [ 9006.753167][ T73] ip6_dst_alloc+0x23/0x90 [ 9006.753167][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9006.753167][ T73] ip6_pol_route+0x56f/0x840 [ 9006.753167][ T73] fib6_rule_lookup+0x456/0x630 [ 9006.753167][ T73] ip6_route_input+0x59c/0xa50 [ 9006.753167][ T73] ipv6_rcv+0x397/0x810 [ 9006.753167][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9006.753167][ T73] process_backlog+0x101/0x620 [ 9006.753167][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9006.753167][ T73] net_rx_action+0x495/0xbe0 [ 9006.753167][ T73] __do_softirq+0x1b5/0x7f6 [ 9006.753167][ T73] [ 9006.754787][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9006.754787][ T73] netdev_get_by_index+0x5e/0x80 [ 9006.754787][ T73] fib6_nh_init+0x3d8/0x1580 [ 9006.754787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9006.754787][ T73] ip6_route_add+0x1c/0x140 [ 9006.754787][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9006.754787][ T73] inet6_addr_add+0x4f8/0xa40 [ 9006.754787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9006.754787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.754787][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.754787][ T73] netlink_unicast+0x449/0x710 [ 9006.754787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.754787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.754787][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.754787][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.754787][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.754787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.754787][ T73] [ 9006.756766][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9006.756766][ T73] netdev_get_by_index+0x5e/0x80 [ 9006.756766][ T73] fib6_nh_init+0x3d8/0x1580 [ 9006.756766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9006.756766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9006.756766][ T73] ipv6_add_addr+0x411/0x2000 [ 9006.756766][ T73] inet6_addr_add+0x30e/0xa40 [ 9006.756766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9006.756766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.756766][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.756766][ T73] netlink_unicast+0x449/0x710 [ 9006.756766][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.756766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.756766][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.756766][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.756766][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.756766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.756766][ T73] [ 9006.758742][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9006.758742][ T73] netdev_get_by_index+0x5e/0x80 [ 9006.758742][ T73] fib6_nh_init+0x3d8/0x1580 [ 9006.758742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9006.758742][ T73] ip6_route_add+0x1c/0x140 [ 9006.758742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9006.758742][ T73] addrconf_add_dev+0xe2/0x170 [ 9006.758742][ T73] inet6_addr_add+0x12f/0xa40 [ 9006.758742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9006.758742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.758742][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.758742][ T73] netlink_unicast+0x449/0x710 [ 9006.758742][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.758742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.758742][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.758742][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.758742][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.758742][ T73] [ 9006.760689][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9006.760689][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9006.760689][ T73] ipv6_find_idev+0x102/0x170 [ 9006.760689][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9006.760689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.760689][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.760689][ T73] netlink_unicast+0x449/0x710 [ 9006.760689][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.760689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.760689][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.760689][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.760689][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.760689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.760689][ T73] [ 9006.762217][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9006.762217][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9006.762217][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9006.762217][ T73] ipv6_find_idev+0x102/0x170 [ 9006.762217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9006.762217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9006.762217][ T73] netlink_rcv_skb+0x130/0x360 [ 9006.762217][ T73] netlink_unicast+0x449/0x710 [ 9006.762217][ T73] netlink_sendmsg+0x723/0xbe0 [ 9006.762217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9006.762217][ T73] ___sys_sendmsg+0xee/0x170 [ 9006.762217][ T73] __sys_sendmsg+0xcd/0x170 [ 9006.762217][ T73] do_syscall_64+0xc6/0x1e0 [ 9006.762217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9006.762217][ T73] [ 9013.637719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9013.638202][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9013.638202][ T1076] netdev_get_by_index+0x5e/0x80 [ 9013.638202][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9013.638202][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9013.638202][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9013.638202][ T1076] ipv6_add_addr+0x411/0x2000 [ 9013.638202][ T1076] inet6_addr_add+0x30e/0xa40 [ 9013.638202][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9013.638202][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.638202][ T1076] netlink_rcv_skb+0x130/0x360 [ 9013.638202][ T1076] netlink_unicast+0x449/0x710 [ 9013.638202][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9013.638202][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9013.638202][ T1076] ___sys_sendmsg+0xee/0x170 [ 9013.638202][ T1076] __sys_sendmsg+0xcd/0x170 [ 9013.638202][ T1076] do_syscall_64+0xc6/0x1e0 [ 9013.638202][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.638202][ T1076] [ 9013.640460][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9013.640460][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9013.640460][ T1076] ipv6_find_idev+0x102/0x170 [ 9013.640460][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.640460][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.640460][ T1076] netlink_rcv_skb+0x130/0x360 [ 9013.640460][ T1076] netlink_unicast+0x449/0x710 [ 9013.640460][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9013.640460][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9013.640460][ T1076] ___sys_sendmsg+0xee/0x170 [ 9013.640460][ T1076] __sys_sendmsg+0xcd/0x170 [ 9013.640460][ T1076] do_syscall_64+0xc6/0x1e0 [ 9013.640460][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.640460][ T1076] [ 9013.642197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9013.642197][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9013.642197][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9013.642197][ T1076] ipv6_find_idev+0x102/0x170 [ 9013.642197][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9013.642197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9013.642197][ T1076] netlink_rcv_skb+0x130/0x360 [ 9013.642197][ T1076] netlink_unicast+0x449/0x710 [ 9013.642197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9013.642197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9013.642197][ T1076] ___sys_sendmsg+0xee/0x170 [ 9013.642197][ T1076] __sys_sendmsg+0xcd/0x170 [ 9013.642197][ T1076] do_syscall_64+0xc6/0x1e0 [ 9013.642197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9013.642197][ T1076] [ 9016.965628][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9016.966044][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9016.966044][ T73] dst_init+0x84/0x4a0 [ 9016.966044][ T73] dst_alloc+0x97/0x150 [ 9016.966044][ T73] ip6_dst_alloc+0x23/0x90 [ 9016.966044][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9016.966044][ T73] ip6_pol_route+0x56f/0x840 [ 9016.966044][ T73] fib6_rule_lookup+0x456/0x630 [ 9016.966044][ T73] ip6_route_input+0x59c/0xa50 [ 9016.966044][ T73] ipv6_rcv+0x397/0x810 [ 9016.966044][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9016.966044][ T73] process_backlog+0x101/0x620 [ 9016.966044][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9016.966044][ T73] net_rx_action+0x495/0xbe0 [ 9016.966044][ T73] __do_softirq+0x1b5/0x7f6 [ 9016.966044][ T73] [ 9016.967705][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9016.967705][ T73] netdev_get_by_index+0x5e/0x80 [ 9016.967705][ T73] fib6_nh_init+0x3d8/0x1580 [ 9016.967705][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9016.967705][ T73] ip6_route_add+0x1c/0x140 [ 9016.967705][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9016.967705][ T73] inet6_addr_add+0x4f8/0xa40 [ 9016.967705][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9016.967705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.967705][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.967705][ T73] netlink_unicast+0x449/0x710 [ 9016.967705][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.967705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.967705][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.967705][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.967705][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.967705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.967705][ T73] [ 9016.969711][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9016.969711][ T73] netdev_get_by_index+0x5e/0x80 [ 9016.969711][ T73] fib6_nh_init+0x3d8/0x1580 [ 9016.969711][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9016.969711][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9016.969711][ T73] ipv6_add_addr+0x411/0x2000 [ 9016.969711][ T73] inet6_addr_add+0x30e/0xa40 [ 9016.969711][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9016.969711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.969711][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.969711][ T73] netlink_unicast+0x449/0x710 [ 9016.969711][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.969711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.969711][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.969711][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.969711][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.969711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.969711][ T73] [ 9016.971718][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9016.971718][ T73] netdev_get_by_index+0x5e/0x80 [ 9016.971718][ T73] fib6_nh_init+0x3d8/0x1580 [ 9016.971718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9016.971718][ T73] ip6_route_add+0x1c/0x140 [ 9016.971718][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9016.971718][ T73] addrconf_add_dev+0xe2/0x170 [ 9016.971718][ T73] inet6_addr_add+0x12f/0xa40 [ 9016.971718][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9016.971718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.971718][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.971718][ T73] netlink_unicast+0x449/0x710 [ 9016.971718][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.971718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.971718][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.971718][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.971718][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.971718][ T73] [ 9016.973677][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9016.973677][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9016.973677][ T73] ipv6_find_idev+0x102/0x170 [ 9016.973677][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9016.973677][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.973677][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.973677][ T73] netlink_unicast+0x449/0x710 [ 9016.973677][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.973677][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.973677][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.973677][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.973677][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.973677][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.973677][ T73] [ 9016.975217][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9016.975217][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9016.975217][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9016.975217][ T73] ipv6_find_idev+0x102/0x170 [ 9016.975217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9016.975217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.975217][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.975217][ T73] netlink_unicast+0x449/0x710 [ 9016.975217][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.975217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.975217][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.975217][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.975217][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.975217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.975217][ T73] [ 9016.976944][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9016.977194][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9016.977194][ T73] dst_init+0x84/0x4a0 [ 9016.977194][ T73] dst_alloc+0x97/0x150 [ 9016.977194][ T73] ip6_dst_alloc+0x23/0x90 [ 9016.977194][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9016.977194][ T73] ip6_pol_route+0x56f/0x840 [ 9016.977194][ T73] fib6_rule_lookup+0x456/0x630 [ 9016.977194][ T73] ip6_route_input+0x59c/0xa50 [ 9016.977194][ T73] ipv6_rcv+0x397/0x810 [ 9016.977194][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9016.977194][ T73] process_backlog+0x101/0x620 [ 9016.977194][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9016.977194][ T73] net_rx_action+0x495/0xbe0 [ 9016.977194][ T73] __do_softirq+0x1b5/0x7f6 [ 9016.977194][ T73] [ 9016.978822][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9016.978822][ T73] netdev_get_by_index+0x5e/0x80 [ 9016.978822][ T73] fib6_nh_init+0x3d8/0x1580 [ 9016.978822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9016.978822][ T73] ip6_route_add+0x1c/0x140 [ 9016.978822][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9016.978822][ T73] inet6_addr_add+0x4f8/0xa40 [ 9016.978822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9016.978822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.978822][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.978822][ T73] netlink_unicast+0x449/0x710 [ 9016.978822][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.978822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.978822][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.978822][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.978822][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.978822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.978822][ T73] [ 9016.980820][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9016.980820][ T73] netdev_get_by_index+0x5e/0x80 [ 9016.980820][ T73] fib6_nh_init+0x3d8/0x1580 [ 9016.980820][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9016.980820][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9016.980820][ T73] ipv6_add_addr+0x411/0x2000 [ 9016.980820][ T73] inet6_addr_add+0x30e/0xa40 [ 9016.980820][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9016.980820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.980820][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.980820][ T73] netlink_unicast+0x449/0x710 [ 9016.980820][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.980820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.980820][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.980820][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.980820][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.980820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.980820][ T73] [ 9016.982817][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9016.982817][ T73] netdev_get_by_index+0x5e/0x80 [ 9016.982817][ T73] fib6_nh_init+0x3d8/0x1580 [ 9016.982817][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9016.982817][ T73] ip6_route_add+0x1c/0x140 [ 9016.982817][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9016.982817][ T73] addrconf_add_dev+0xe2/0x170 [ 9016.982817][ T73] inet6_addr_add+0x12f/0xa40 [ 9016.982817][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9016.982817][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.982817][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.982817][ T73] netlink_unicast+0x449/0x710 [ 9016.982817][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.982817][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.982817][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.982817][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.982817][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.982817][ T73] [ 9016.984772][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9016.984772][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9016.984772][ T73] ipv6_find_idev+0x102/0x170 [ 9016.984772][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9016.984772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.984772][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.984772][ T73] netlink_unicast+0x449/0x710 [ 9016.984772][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.984772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.984772][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.984772][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.984772][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.984772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.984772][ T73] [ 9016.986304][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9016.986304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9016.986304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9016.986304][ T73] ipv6_find_idev+0x102/0x170 [ 9016.986304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9016.986304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9016.986304][ T73] netlink_rcv_skb+0x130/0x360 [ 9016.986304][ T73] netlink_unicast+0x449/0x710 [ 9016.986304][ T73] netlink_sendmsg+0x723/0xbe0 [ 9016.986304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9016.986304][ T73] ___sys_sendmsg+0xee/0x170 [ 9016.986304][ T73] __sys_sendmsg+0xcd/0x170 [ 9016.986304][ T73] do_syscall_64+0xc6/0x1e0 [ 9016.986304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9016.986304][ T73] [ 9023.885724][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9023.886208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9023.886208][ T1076] netdev_get_by_index+0x5e/0x80 [ 9023.886208][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9023.886208][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9023.886208][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9023.886208][ T1076] ipv6_add_addr+0x411/0x2000 [ 9023.886208][ T1076] inet6_addr_add+0x30e/0xa40 [ 9023.886208][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9023.886208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.886208][ T1076] netlink_rcv_skb+0x130/0x360 [ 9023.886208][ T1076] netlink_unicast+0x449/0x710 [ 9023.886208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9023.886208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9023.886208][ T1076] ___sys_sendmsg+0xee/0x170 [ 9023.886208][ T1076] __sys_sendmsg+0xcd/0x170 [ 9023.886208][ T1076] do_syscall_64+0xc6/0x1e0 [ 9023.886208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.886208][ T1076] [ 9023.888471][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9023.888471][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9023.888471][ T1076] ipv6_find_idev+0x102/0x170 [ 9023.888471][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.888471][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.888471][ T1076] netlink_rcv_skb+0x130/0x360 [ 9023.888471][ T1076] netlink_unicast+0x449/0x710 [ 9023.888471][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9023.888471][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9023.888471][ T1076] ___sys_sendmsg+0xee/0x170 [ 9023.888471][ T1076] __sys_sendmsg+0xcd/0x170 [ 9023.888471][ T1076] do_syscall_64+0xc6/0x1e0 [ 9023.888471][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.888471][ T1076] [ 9023.890204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9023.890204][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9023.890204][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9023.890204][ T1076] ipv6_find_idev+0x102/0x170 [ 9023.890204][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9023.890204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9023.890204][ T1076] netlink_rcv_skb+0x130/0x360 [ 9023.890204][ T1076] netlink_unicast+0x449/0x710 [ 9023.890204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9023.890204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9023.890204][ T1076] ___sys_sendmsg+0xee/0x170 [ 9023.890204][ T1076] __sys_sendmsg+0xcd/0x170 [ 9023.890204][ T1076] do_syscall_64+0xc6/0x1e0 [ 9023.890204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9023.890204][ T1076] [ 9027.229732][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9027.230147][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9027.230147][ T73] dst_init+0x84/0x4a0 [ 9027.230147][ T73] dst_alloc+0x97/0x150 [ 9027.230147][ T73] ip6_dst_alloc+0x23/0x90 [ 9027.230147][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9027.230147][ T73] ip6_pol_route+0x56f/0x840 [ 9027.230147][ T73] fib6_rule_lookup+0x456/0x630 [ 9027.230147][ T73] ip6_route_input+0x59c/0xa50 [ 9027.230147][ T73] ipv6_rcv+0x397/0x810 [ 9027.230147][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9027.230147][ T73] process_backlog+0x101/0x620 [ 9027.230147][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9027.230147][ T73] net_rx_action+0x495/0xbe0 [ 9027.230147][ T73] __do_softirq+0x1b5/0x7f6 [ 9027.230147][ T73] [ 9027.231806][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9027.231806][ T73] netdev_get_by_index+0x5e/0x80 [ 9027.231806][ T73] fib6_nh_init+0x3d8/0x1580 [ 9027.231806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9027.231806][ T73] ip6_route_add+0x1c/0x140 [ 9027.231806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9027.231806][ T73] inet6_addr_add+0x4f8/0xa40 [ 9027.231806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9027.231806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.231806][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.231806][ T73] netlink_unicast+0x449/0x710 [ 9027.231806][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.231806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.231806][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.231806][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.231806][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.231806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.231806][ T73] [ 9027.233796][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9027.233796][ T73] netdev_get_by_index+0x5e/0x80 [ 9027.233796][ T73] fib6_nh_init+0x3d8/0x1580 [ 9027.233796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9027.233796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9027.233796][ T73] ipv6_add_addr+0x411/0x2000 [ 9027.233796][ T73] inet6_addr_add+0x30e/0xa40 [ 9027.233796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9027.233796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.233796][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.233796][ T73] netlink_unicast+0x449/0x710 [ 9027.233796][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.233796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.233796][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.233796][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.233796][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.233796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.233796][ T73] [ 9027.235780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9027.235780][ T73] netdev_get_by_index+0x5e/0x80 [ 9027.235780][ T73] fib6_nh_init+0x3d8/0x1580 [ 9027.235780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9027.235780][ T73] ip6_route_add+0x1c/0x140 [ 9027.235780][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9027.235780][ T73] addrconf_add_dev+0xe2/0x170 [ 9027.235780][ T73] inet6_addr_add+0x12f/0xa40 [ 9027.235780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9027.235780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.235780][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.235780][ T73] netlink_unicast+0x449/0x710 [ 9027.235780][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.235780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.235780][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.235780][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.235780][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.235780][ T73] [ 9027.237728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9027.237728][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9027.237728][ T73] ipv6_find_idev+0x102/0x170 [ 9027.237728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9027.237728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.237728][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.237728][ T73] netlink_unicast+0x449/0x710 [ 9027.237728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.237728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.237728][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.237728][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.237728][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.237728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.237728][ T73] [ 9027.239255][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9027.239255][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9027.239255][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9027.239255][ T73] ipv6_find_idev+0x102/0x170 [ 9027.239255][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9027.239255][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.239255][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.239255][ T73] netlink_unicast+0x449/0x710 [ 9027.239255][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.239255][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.239255][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.239255][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.239255][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.239255][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.239255][ T73] [ 9027.240929][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9027.241168][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9027.241168][ T73] dst_init+0x84/0x4a0 [ 9027.241168][ T73] dst_alloc+0x97/0x150 [ 9027.241168][ T73] ip6_dst_alloc+0x23/0x90 [ 9027.241168][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9027.241168][ T73] ip6_pol_route+0x56f/0x840 [ 9027.241168][ T73] fib6_rule_lookup+0x456/0x630 [ 9027.241168][ T73] ip6_route_input+0x59c/0xa50 [ 9027.241168][ T73] ipv6_rcv+0x397/0x810 [ 9027.241168][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9027.241168][ T73] process_backlog+0x101/0x620 [ 9027.241168][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9027.241168][ T73] net_rx_action+0x495/0xbe0 [ 9027.241168][ T73] __do_softirq+0x1b5/0x7f6 [ 9027.241168][ T73] [ 9027.242819][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9027.242819][ T73] netdev_get_by_index+0x5e/0x80 [ 9027.242819][ T73] fib6_nh_init+0x3d8/0x1580 [ 9027.242819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9027.242819][ T73] ip6_route_add+0x1c/0x140 [ 9027.242819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9027.242819][ T73] inet6_addr_add+0x4f8/0xa40 [ 9027.242819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9027.242819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.242819][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.242819][ T73] netlink_unicast+0x449/0x710 [ 9027.242819][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.242819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.242819][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.242819][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.242819][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.242819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.242819][ T73] [ 9027.244810][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9027.244810][ T73] netdev_get_by_index+0x5e/0x80 [ 9027.244810][ T73] fib6_nh_init+0x3d8/0x1580 [ 9027.244810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9027.244810][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9027.244810][ T73] ipv6_add_addr+0x411/0x2000 [ 9027.244810][ T73] inet6_addr_add+0x30e/0xa40 [ 9027.244810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9027.244810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.244810][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.244810][ T73] netlink_unicast+0x449/0x710 [ 9027.244810][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.244810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.244810][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.244810][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.244810][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.244810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.244810][ T73] [ 9027.246815][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9027.246815][ T73] netdev_get_by_index+0x5e/0x80 [ 9027.246815][ T73] fib6_nh_init+0x3d8/0x1580 [ 9027.246815][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9027.246815][ T73] ip6_route_add+0x1c/0x140 [ 9027.246815][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9027.246815][ T73] addrconf_add_dev+0xe2/0x170 [ 9027.246815][ T73] inet6_addr_add+0x12f/0xa40 [ 9027.246815][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9027.246815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.246815][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.246815][ T73] netlink_unicast+0x449/0x710 [ 9027.246815][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.246815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.246815][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.246815][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.246815][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.246815][ T73] [ 9027.248782][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9027.248782][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9027.248782][ T73] ipv6_find_idev+0x102/0x170 [ 9027.248782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9027.248782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.248782][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.248782][ T73] netlink_unicast+0x449/0x710 [ 9027.248782][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.248782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.248782][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.248782][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.248782][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.248782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.248782][ T73] [ 9027.250311][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9027.250311][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9027.250311][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9027.250311][ T73] ipv6_find_idev+0x102/0x170 [ 9027.250311][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9027.250311][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9027.250311][ T73] netlink_rcv_skb+0x130/0x360 [ 9027.250311][ T73] netlink_unicast+0x449/0x710 [ 9027.250311][ T73] netlink_sendmsg+0x723/0xbe0 [ 9027.250311][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9027.250311][ T73] ___sys_sendmsg+0xee/0x170 [ 9027.250311][ T73] __sys_sendmsg+0xcd/0x170 [ 9027.250311][ T73] do_syscall_64+0xc6/0x1e0 [ 9027.250311][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9027.250311][ T73] [ 9034.133742][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9034.134220][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9034.134220][ T1076] netdev_get_by_index+0x5e/0x80 [ 9034.134220][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9034.134220][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9034.134220][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9034.134220][ T1076] ipv6_add_addr+0x411/0x2000 [ 9034.134220][ T1076] inet6_addr_add+0x30e/0xa40 [ 9034.134220][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9034.134220][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.134220][ T1076] netlink_rcv_skb+0x130/0x360 [ 9034.134220][ T1076] netlink_unicast+0x449/0x710 [ 9034.134220][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9034.134220][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9034.134220][ T1076] ___sys_sendmsg+0xee/0x170 [ 9034.134220][ T1076] __sys_sendmsg+0xcd/0x170 [ 9034.134220][ T1076] do_syscall_64+0xc6/0x1e0 [ 9034.134220][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.134220][ T1076] [ 9034.136483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9034.136483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9034.136483][ T1076] ipv6_find_idev+0x102/0x170 [ 9034.136483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9034.136483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.136483][ T1076] netlink_rcv_skb+0x130/0x360 [ 9034.136483][ T1076] netlink_unicast+0x449/0x710 [ 9034.136483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9034.136483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9034.136483][ T1076] ___sys_sendmsg+0xee/0x170 [ 9034.136483][ T1076] __sys_sendmsg+0xcd/0x170 [ 9034.136483][ T1076] do_syscall_64+0xc6/0x1e0 [ 9034.136483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.136483][ T1076] [ 9034.138208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9034.138208][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9034.138208][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9034.138208][ T1076] ipv6_find_idev+0x102/0x170 [ 9034.138208][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9034.138208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9034.138208][ T1076] netlink_rcv_skb+0x130/0x360 [ 9034.138208][ T1076] netlink_unicast+0x449/0x710 [ 9034.138208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9034.138208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9034.138208][ T1076] ___sys_sendmsg+0xee/0x170 [ 9034.138208][ T1076] __sys_sendmsg+0xcd/0x170 [ 9034.138208][ T1076] do_syscall_64+0xc6/0x1e0 [ 9034.138208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9034.138208][ T1076] [ 9037.493632][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9037.494050][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9037.494050][ T73] dst_init+0x84/0x4a0 [ 9037.494050][ T73] dst_alloc+0x97/0x150 [ 9037.494050][ T73] ip6_dst_alloc+0x23/0x90 [ 9037.494050][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9037.494050][ T73] ip6_pol_route+0x56f/0x840 [ 9037.494050][ T73] fib6_rule_lookup+0x456/0x630 [ 9037.494050][ T73] ip6_route_input+0x59c/0xa50 [ 9037.494050][ T73] ipv6_rcv+0x397/0x810 [ 9037.494050][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9037.494050][ T73] process_backlog+0x101/0x620 [ 9037.494050][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9037.494050][ T73] net_rx_action+0x495/0xbe0 [ 9037.494050][ T73] __do_softirq+0x1b5/0x7f6 [ 9037.494050][ T73] [ 9037.495701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9037.495701][ T73] netdev_get_by_index+0x5e/0x80 [ 9037.495701][ T73] fib6_nh_init+0x3d8/0x1580 [ 9037.495701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9037.495701][ T73] ip6_route_add+0x1c/0x140 [ 9037.495701][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9037.495701][ T73] inet6_addr_add+0x4f8/0xa40 [ 9037.495701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9037.495701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.495701][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.495701][ T73] netlink_unicast+0x449/0x710 [ 9037.495701][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.495701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.495701][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.495701][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.495701][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.495701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.495701][ T73] [ 9037.497697][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9037.497697][ T73] netdev_get_by_index+0x5e/0x80 [ 9037.497697][ T73] fib6_nh_init+0x3d8/0x1580 [ 9037.497697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9037.497697][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9037.497697][ T73] ipv6_add_addr+0x411/0x2000 [ 9037.497697][ T73] inet6_addr_add+0x30e/0xa40 [ 9037.497697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9037.497697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.497697][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.497697][ T73] netlink_unicast+0x449/0x710 [ 9037.497697][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.497697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.497697][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.497697][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.497697][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.497697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.497697][ T73] [ 9037.499687][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9037.499687][ T73] netdev_get_by_index+0x5e/0x80 [ 9037.499687][ T73] fib6_nh_init+0x3d8/0x1580 [ 9037.499687][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9037.499687][ T73] ip6_route_add+0x1c/0x140 [ 9037.499687][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9037.499687][ T73] addrconf_add_dev+0xe2/0x170 [ 9037.499687][ T73] inet6_addr_add+0x12f/0xa40 [ 9037.499687][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9037.499687][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.499687][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.499687][ T73] netlink_unicast+0x449/0x710 [ 9037.499687][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.499687][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.499687][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.499687][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.499687][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.499687][ T73] [ 9037.501660][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9037.501660][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9037.501660][ T73] ipv6_find_idev+0x102/0x170 [ 9037.501660][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9037.501660][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.501660][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.501660][ T73] netlink_unicast+0x449/0x710 [ 9037.501660][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.501660][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.501660][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.501660][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.501660][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.501660][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.501660][ T73] [ 9037.503203][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9037.503203][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9037.503203][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9037.503203][ T73] ipv6_find_idev+0x102/0x170 [ 9037.503203][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9037.503203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.503203][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.503203][ T73] netlink_unicast+0x449/0x710 [ 9037.503203][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.503203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.503203][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.503203][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.503203][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.503203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.503203][ T73] [ 9037.504885][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9037.505124][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9037.505124][ T73] dst_init+0x84/0x4a0 [ 9037.505124][ T73] dst_alloc+0x97/0x150 [ 9037.505124][ T73] ip6_dst_alloc+0x23/0x90 [ 9037.505124][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9037.505124][ T73] ip6_pol_route+0x56f/0x840 [ 9037.505124][ T73] fib6_rule_lookup+0x456/0x630 [ 9037.505124][ T73] ip6_route_input+0x59c/0xa50 [ 9037.505124][ T73] ipv6_rcv+0x397/0x810 [ 9037.505124][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9037.505124][ T73] process_backlog+0x101/0x620 [ 9037.505124][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9037.505124][ T73] net_rx_action+0x495/0xbe0 [ 9037.505124][ T73] __do_softirq+0x1b5/0x7f6 [ 9037.505124][ T73] [ 9037.506765][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9037.506765][ T73] netdev_get_by_index+0x5e/0x80 [ 9037.506765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9037.506765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9037.506765][ T73] ip6_route_add+0x1c/0x140 [ 9037.506765][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9037.506765][ T73] inet6_addr_add+0x4f8/0xa40 [ 9037.506765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9037.506765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.506765][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.506765][ T73] netlink_unicast+0x449/0x710 [ 9037.506765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.506765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.506765][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.506765][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.506765][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.506765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.506765][ T73] [ 9037.508771][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9037.508771][ T73] netdev_get_by_index+0x5e/0x80 [ 9037.508771][ T73] fib6_nh_init+0x3d8/0x1580 [ 9037.508771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9037.508771][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9037.508771][ T73] ipv6_add_addr+0x411/0x2000 [ 9037.508771][ T73] inet6_addr_add+0x30e/0xa40 [ 9037.508771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9037.508771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.508771][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.508771][ T73] netlink_unicast+0x449/0x710 [ 9037.508771][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.508771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.508771][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.508771][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.508771][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.508771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.508771][ T73] [ 9037.510769][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9037.510769][ T73] netdev_get_by_index+0x5e/0x80 [ 9037.510769][ T73] fib6_nh_init+0x3d8/0x1580 [ 9037.510769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9037.510769][ T73] ip6_route_add+0x1c/0x140 [ 9037.510769][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9037.510769][ T73] addrconf_add_dev+0xe2/0x170 [ 9037.510769][ T73] inet6_addr_add+0x12f/0xa40 [ 9037.510769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9037.510769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.510769][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.510769][ T73] netlink_unicast+0x449/0x710 [ 9037.510769][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.510769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.510769][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.510769][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.510769][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.510769][ T73] [ 9037.512759][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9037.512759][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9037.512759][ T73] ipv6_find_idev+0x102/0x170 [ 9037.512759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9037.512759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.512759][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.512759][ T73] netlink_unicast+0x449/0x710 [ 9037.512759][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.512759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.512759][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.512759][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.512759][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.512759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.512759][ T73] [ 9037.514306][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9037.514306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9037.514306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9037.514306][ T73] ipv6_find_idev+0x102/0x170 [ 9037.514306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9037.514306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9037.514306][ T73] netlink_rcv_skb+0x130/0x360 [ 9037.514306][ T73] netlink_unicast+0x449/0x710 [ 9037.514306][ T73] netlink_sendmsg+0x723/0xbe0 [ 9037.514306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9037.514306][ T73] ___sys_sendmsg+0xee/0x170 [ 9037.514306][ T73] __sys_sendmsg+0xcd/0x170 [ 9037.514306][ T73] do_syscall_64+0xc6/0x1e0 [ 9037.514306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9037.514306][ T73] [ 9044.381726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9044.382209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9044.382209][ T1076] netdev_get_by_index+0x5e/0x80 [ 9044.382209][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9044.382209][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9044.382209][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9044.382209][ T1076] ipv6_add_addr+0x411/0x2000 [ 9044.382209][ T1076] inet6_addr_add+0x30e/0xa40 [ 9044.382209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9044.382209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.382209][ T1076] netlink_rcv_skb+0x130/0x360 [ 9044.382209][ T1076] netlink_unicast+0x449/0x710 [ 9044.382209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9044.382209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9044.382209][ T1076] ___sys_sendmsg+0xee/0x170 [ 9044.382209][ T1076] __sys_sendmsg+0xcd/0x170 [ 9044.382209][ T1076] do_syscall_64+0xc6/0x1e0 [ 9044.382209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.382209][ T1076] [ 9044.384452][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9044.384452][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9044.384452][ T1076] ipv6_find_idev+0x102/0x170 [ 9044.384452][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9044.384452][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.384452][ T1076] netlink_rcv_skb+0x130/0x360 [ 9044.384452][ T1076] netlink_unicast+0x449/0x710 [ 9044.384452][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9044.384452][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9044.384452][ T1076] ___sys_sendmsg+0xee/0x170 [ 9044.384452][ T1076] __sys_sendmsg+0xcd/0x170 [ 9044.384452][ T1076] do_syscall_64+0xc6/0x1e0 [ 9044.384452][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.384452][ T1076] [ 9044.386180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9044.386180][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9044.386180][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9044.386180][ T1076] ipv6_find_idev+0x102/0x170 [ 9044.386180][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9044.386180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9044.386180][ T1076] netlink_rcv_skb+0x130/0x360 [ 9044.386180][ T1076] netlink_unicast+0x449/0x710 [ 9044.386180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9044.386180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9044.386180][ T1076] ___sys_sendmsg+0xee/0x170 [ 9044.386180][ T1076] __sys_sendmsg+0xcd/0x170 [ 9044.386180][ T1076] do_syscall_64+0xc6/0x1e0 [ 9044.386180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9044.386180][ T1076] [ 9047.757709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9047.758132][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9047.758132][ T73] dst_init+0x84/0x4a0 [ 9047.758132][ T73] dst_alloc+0x97/0x150 [ 9047.758132][ T73] ip6_dst_alloc+0x23/0x90 [ 9047.758132][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9047.758132][ T73] ip6_pol_route+0x56f/0x840 [ 9047.758132][ T73] fib6_rule_lookup+0x456/0x630 [ 9047.758132][ T73] ip6_route_input+0x59c/0xa50 [ 9047.758132][ T73] ipv6_rcv+0x397/0x810 [ 9047.758132][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9047.758132][ T73] process_backlog+0x101/0x620 [ 9047.758132][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9047.758132][ T73] net_rx_action+0x495/0xbe0 [ 9047.758132][ T73] __do_softirq+0x1b5/0x7f6 [ 9047.758132][ T73] [ 9047.759780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9047.759780][ T73] netdev_get_by_index+0x5e/0x80 [ 9047.759780][ T73] fib6_nh_init+0x3d8/0x1580 [ 9047.759780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9047.759780][ T73] ip6_route_add+0x1c/0x140 [ 9047.759780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9047.759780][ T73] inet6_addr_add+0x4f8/0xa40 [ 9047.759780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9047.759780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.759780][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.759780][ T73] netlink_unicast+0x449/0x710 [ 9047.759780][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.759780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.759780][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.759780][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.759780][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.759780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.759780][ T73] [ 9047.761783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9047.761783][ T73] netdev_get_by_index+0x5e/0x80 [ 9047.761783][ T73] fib6_nh_init+0x3d8/0x1580 [ 9047.761783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9047.761783][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9047.761783][ T73] ipv6_add_addr+0x411/0x2000 [ 9047.761783][ T73] inet6_addr_add+0x30e/0xa40 [ 9047.761783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9047.761783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.761783][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.761783][ T73] netlink_unicast+0x449/0x710 [ 9047.761783][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.761783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.761783][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.761783][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.761783][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.761783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.761783][ T73] [ 9047.763760][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9047.763760][ T73] netdev_get_by_index+0x5e/0x80 [ 9047.763760][ T73] fib6_nh_init+0x3d8/0x1580 [ 9047.763760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9047.763760][ T73] ip6_route_add+0x1c/0x140 [ 9047.763760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9047.763760][ T73] addrconf_add_dev+0xe2/0x170 [ 9047.763760][ T73] inet6_addr_add+0x12f/0xa40 [ 9047.763760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9047.763760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.763760][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.763760][ T73] netlink_unicast+0x449/0x710 [ 9047.763760][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.763760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.763760][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.763760][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.763760][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.763760][ T73] [ 9047.765704][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9047.765704][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9047.765704][ T73] ipv6_find_idev+0x102/0x170 [ 9047.765704][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9047.765704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.765704][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.765704][ T73] netlink_unicast+0x449/0x710 [ 9047.765704][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.765704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.765704][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.765704][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.765704][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.765704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.765704][ T73] [ 9047.767231][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9047.767231][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9047.767231][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9047.767231][ T73] ipv6_find_idev+0x102/0x170 [ 9047.767231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9047.767231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.767231][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.767231][ T73] netlink_unicast+0x449/0x710 [ 9047.767231][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.767231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.767231][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.767231][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.767231][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.767231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.767231][ T73] [ 9047.768898][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9047.769137][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9047.769137][ T73] dst_init+0x84/0x4a0 [ 9047.769137][ T73] dst_alloc+0x97/0x150 [ 9047.769137][ T73] ip6_dst_alloc+0x23/0x90 [ 9047.769137][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9047.769137][ T73] ip6_pol_route+0x56f/0x840 [ 9047.769137][ T73] fib6_rule_lookup+0x456/0x630 [ 9047.769137][ T73] ip6_route_input+0x59c/0xa50 [ 9047.769137][ T73] ipv6_rcv+0x397/0x810 [ 9047.769137][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9047.769137][ T73] process_backlog+0x101/0x620 [ 9047.769137][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9047.769137][ T73] net_rx_action+0x495/0xbe0 [ 9047.769137][ T73] __do_softirq+0x1b5/0x7f6 [ 9047.769137][ T73] [ 9047.770755][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9047.770755][ T73] netdev_get_by_index+0x5e/0x80 [ 9047.770755][ T73] fib6_nh_init+0x3d8/0x1580 [ 9047.770755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9047.770755][ T73] ip6_route_add+0x1c/0x140 [ 9047.770755][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9047.770755][ T73] inet6_addr_add+0x4f8/0xa40 [ 9047.770755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9047.770755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.770755][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.770755][ T73] netlink_unicast+0x449/0x710 [ 9047.770755][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.770755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.770755][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.770755][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.770755][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.770755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.770755][ T73] [ 9047.772748][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9047.772748][ T73] netdev_get_by_index+0x5e/0x80 [ 9047.772748][ T73] fib6_nh_init+0x3d8/0x1580 [ 9047.772748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9047.772748][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9047.772748][ T73] ipv6_add_addr+0x411/0x2000 [ 9047.772748][ T73] inet6_addr_add+0x30e/0xa40 [ 9047.772748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9047.772748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.772748][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.772748][ T73] netlink_unicast+0x449/0x710 [ 9047.772748][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.772748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.772748][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.772748][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.772748][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.772748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.772748][ T73] [ 9047.774730][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9047.774730][ T73] netdev_get_by_index+0x5e/0x80 [ 9047.774730][ T73] fib6_nh_init+0x3d8/0x1580 [ 9047.774730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9047.774730][ T73] ip6_route_add+0x1c/0x140 [ 9047.774730][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9047.774730][ T73] addrconf_add_dev+0xe2/0x170 [ 9047.774730][ T73] inet6_addr_add+0x12f/0xa40 [ 9047.774730][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9047.774730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.774730][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.774730][ T73] netlink_unicast+0x449/0x710 [ 9047.774730][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.774730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.774730][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.774730][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.774730][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.774730][ T73] [ 9047.776675][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9047.776675][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9047.776675][ T73] ipv6_find_idev+0x102/0x170 [ 9047.776675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9047.776675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.776675][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.776675][ T73] netlink_unicast+0x449/0x710 [ 9047.776675][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.776675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.776675][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.776675][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.776675][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.776675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.776675][ T73] [ 9047.778213][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9047.778213][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9047.778213][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9047.778213][ T73] ipv6_find_idev+0x102/0x170 [ 9047.778213][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9047.778213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9047.778213][ T73] netlink_rcv_skb+0x130/0x360 [ 9047.778213][ T73] netlink_unicast+0x449/0x710 [ 9047.778213][ T73] netlink_sendmsg+0x723/0xbe0 [ 9047.778213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9047.778213][ T73] ___sys_sendmsg+0xee/0x170 [ 9047.778213][ T73] __sys_sendmsg+0xcd/0x170 [ 9047.778213][ T73] do_syscall_64+0xc6/0x1e0 [ 9047.778213][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9047.778213][ T73] [ 9054.629726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9054.630209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9054.630209][ T1076] netdev_get_by_index+0x5e/0x80 [ 9054.630209][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9054.630209][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9054.630209][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9054.630209][ T1076] ipv6_add_addr+0x411/0x2000 [ 9054.630209][ T1076] inet6_addr_add+0x30e/0xa40 [ 9054.630209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9054.630209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.630209][ T1076] netlink_rcv_skb+0x130/0x360 [ 9054.630209][ T1076] netlink_unicast+0x449/0x710 [ 9054.630209][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9054.630209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9054.630209][ T1076] ___sys_sendmsg+0xee/0x170 [ 9054.630209][ T1076] __sys_sendmsg+0xcd/0x170 [ 9054.630209][ T1076] do_syscall_64+0xc6/0x1e0 [ 9054.630209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.630209][ T1076] [ 9054.632470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9054.632470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9054.632470][ T1076] ipv6_find_idev+0x102/0x170 [ 9054.632470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9054.632470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.632470][ T1076] netlink_rcv_skb+0x130/0x360 [ 9054.632470][ T1076] netlink_unicast+0x449/0x710 [ 9054.632470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9054.632470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9054.632470][ T1076] ___sys_sendmsg+0xee/0x170 [ 9054.632470][ T1076] __sys_sendmsg+0xcd/0x170 [ 9054.632470][ T1076] do_syscall_64+0xc6/0x1e0 [ 9054.632470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.632470][ T1076] [ 9054.634195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9054.634195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9054.634195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9054.634195][ T1076] ipv6_find_idev+0x102/0x170 [ 9054.634195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9054.634195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9054.634195][ T1076] netlink_rcv_skb+0x130/0x360 [ 9054.634195][ T1076] netlink_unicast+0x449/0x710 [ 9054.634195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9054.634195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9054.634195][ T1076] ___sys_sendmsg+0xee/0x170 [ 9054.634195][ T1076] __sys_sendmsg+0xcd/0x170 [ 9054.634195][ T1076] do_syscall_64+0xc6/0x1e0 [ 9054.634195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9054.634195][ T1076] [ 9058.021723][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9058.022137][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9058.022137][ T73] dst_init+0x84/0x4a0 [ 9058.022137][ T73] dst_alloc+0x97/0x150 [ 9058.022137][ T73] ip6_dst_alloc+0x23/0x90 [ 9058.022137][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9058.022137][ T73] ip6_pol_route+0x56f/0x840 [ 9058.022137][ T73] fib6_rule_lookup+0x456/0x630 [ 9058.022137][ T73] ip6_route_input+0x59c/0xa50 [ 9058.022137][ T73] ipv6_rcv+0x397/0x810 [ 9058.022137][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9058.022137][ T73] process_backlog+0x101/0x620 [ 9058.022137][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9058.022137][ T73] net_rx_action+0x495/0xbe0 [ 9058.022137][ T73] __do_softirq+0x1b5/0x7f6 [ 9058.022137][ T73] [ 9058.023783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9058.023783][ T73] netdev_get_by_index+0x5e/0x80 [ 9058.023783][ T73] fib6_nh_init+0x3d8/0x1580 [ 9058.023783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9058.023783][ T73] ip6_route_add+0x1c/0x140 [ 9058.023783][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9058.023783][ T73] inet6_addr_add+0x4f8/0xa40 [ 9058.023783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9058.023783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.023783][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.023783][ T73] netlink_unicast+0x449/0x710 [ 9058.023783][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.023783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.023783][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.023783][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.023783][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.023783][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.023783][ T73] [ 9058.025771][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9058.025771][ T73] netdev_get_by_index+0x5e/0x80 [ 9058.025771][ T73] fib6_nh_init+0x3d8/0x1580 [ 9058.025771][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9058.025771][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9058.025771][ T73] ipv6_add_addr+0x411/0x2000 [ 9058.025771][ T73] inet6_addr_add+0x30e/0xa40 [ 9058.025771][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9058.025771][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.025771][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.025771][ T73] netlink_unicast+0x449/0x710 [ 9058.025771][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.025771][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.025771][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.025771][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.025771][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.025771][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.025771][ T73] [ 9058.027753][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9058.027753][ T73] netdev_get_by_index+0x5e/0x80 [ 9058.027753][ T73] fib6_nh_init+0x3d8/0x1580 [ 9058.027753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9058.027753][ T73] ip6_route_add+0x1c/0x140 [ 9058.027753][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9058.027753][ T73] addrconf_add_dev+0xe2/0x170 [ 9058.027753][ T73] inet6_addr_add+0x12f/0xa40 [ 9058.027753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9058.027753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.027753][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.027753][ T73] netlink_unicast+0x449/0x710 [ 9058.027753][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.027753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.027753][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.027753][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.027753][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.027753][ T73] [ 9058.029699][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9058.029699][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9058.029699][ T73] ipv6_find_idev+0x102/0x170 [ 9058.029699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9058.029699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.029699][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.029699][ T73] netlink_unicast+0x449/0x710 [ 9058.029699][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.029699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.029699][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.029699][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.029699][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.029699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.029699][ T73] [ 9058.031234][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9058.031234][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9058.031234][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9058.031234][ T73] ipv6_find_idev+0x102/0x170 [ 9058.031234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9058.031234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.031234][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.031234][ T73] netlink_unicast+0x449/0x710 [ 9058.031234][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.031234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.031234][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.031234][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.031234][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.031234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.031234][ T73] [ 9058.032900][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9058.033142][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9058.033142][ T73] dst_init+0x84/0x4a0 [ 9058.033142][ T73] dst_alloc+0x97/0x150 [ 9058.033142][ T73] ip6_dst_alloc+0x23/0x90 [ 9058.033142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9058.033142][ T73] ip6_pol_route+0x56f/0x840 [ 9058.033142][ T73] fib6_rule_lookup+0x456/0x630 [ 9058.033142][ T73] ip6_route_input+0x59c/0xa50 [ 9058.033142][ T73] ipv6_rcv+0x397/0x810 [ 9058.033142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9058.033142][ T73] process_backlog+0x101/0x620 [ 9058.033142][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9058.033142][ T73] net_rx_action+0x495/0xbe0 [ 9058.033142][ T73] __do_softirq+0x1b5/0x7f6 [ 9058.033142][ T73] [ 9058.034768][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9058.034768][ T73] netdev_get_by_index+0x5e/0x80 [ 9058.034768][ T73] fib6_nh_init+0x3d8/0x1580 [ 9058.034768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9058.034768][ T73] ip6_route_add+0x1c/0x140 [ 9058.034768][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9058.034768][ T73] inet6_addr_add+0x4f8/0xa40 [ 9058.034768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9058.034768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.034768][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.034768][ T73] netlink_unicast+0x449/0x710 [ 9058.034768][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.034768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.034768][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.034768][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.034768][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.034768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.034768][ T73] [ 9058.036758][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9058.036758][ T73] netdev_get_by_index+0x5e/0x80 [ 9058.036758][ T73] fib6_nh_init+0x3d8/0x1580 [ 9058.036758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9058.036758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9058.036758][ T73] ipv6_add_addr+0x411/0x2000 [ 9058.036758][ T73] inet6_addr_add+0x30e/0xa40 [ 9058.036758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9058.036758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.036758][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.036758][ T73] netlink_unicast+0x449/0x710 [ 9058.036758][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.036758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.036758][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.036758][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.036758][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.036758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.036758][ T73] [ 9058.038737][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9058.038737][ T73] netdev_get_by_index+0x5e/0x80 [ 9058.038737][ T73] fib6_nh_init+0x3d8/0x1580 [ 9058.038737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9058.038737][ T73] ip6_route_add+0x1c/0x140 [ 9058.038737][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9058.038737][ T73] addrconf_add_dev+0xe2/0x170 [ 9058.038737][ T73] inet6_addr_add+0x12f/0xa40 [ 9058.038737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9058.038737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.038737][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.038737][ T73] netlink_unicast+0x449/0x710 [ 9058.038737][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.038737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.038737][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.038737][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.038737][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.038737][ T73] [ 9058.040683][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9058.040683][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9058.040683][ T73] ipv6_find_idev+0x102/0x170 [ 9058.040683][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9058.040683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.040683][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.040683][ T73] netlink_unicast+0x449/0x710 [ 9058.040683][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.040683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.040683][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.040683][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.040683][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.040683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.040683][ T73] [ 9058.042212][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9058.042212][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9058.042212][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9058.042212][ T73] ipv6_find_idev+0x102/0x170 [ 9058.042212][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9058.042212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9058.042212][ T73] netlink_rcv_skb+0x130/0x360 [ 9058.042212][ T73] netlink_unicast+0x449/0x710 [ 9058.042212][ T73] netlink_sendmsg+0x723/0xbe0 [ 9058.042212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9058.042212][ T73] ___sys_sendmsg+0xee/0x170 [ 9058.042212][ T73] __sys_sendmsg+0xcd/0x170 [ 9058.042212][ T73] do_syscall_64+0xc6/0x1e0 [ 9058.042212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9058.042212][ T73] [ 9064.877712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9064.878195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9064.878195][ T1076] netdev_get_by_index+0x5e/0x80 [ 9064.878195][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9064.878195][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9064.878195][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9064.878195][ T1076] ipv6_add_addr+0x411/0x2000 [ 9064.878195][ T1076] inet6_addr_add+0x30e/0xa40 [ 9064.878195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9064.878195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.878195][ T1076] netlink_rcv_skb+0x130/0x360 [ 9064.878195][ T1076] netlink_unicast+0x449/0x710 [ 9064.878195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9064.878195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9064.878195][ T1076] ___sys_sendmsg+0xee/0x170 [ 9064.878195][ T1076] __sys_sendmsg+0xcd/0x170 [ 9064.878195][ T1076] do_syscall_64+0xc6/0x1e0 [ 9064.878195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.878195][ T1076] [ 9064.880818][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9064.880818][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9064.880818][ T1076] ipv6_find_idev+0x102/0x170 [ 9064.880818][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.880818][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.880818][ T1076] netlink_rcv_skb+0x130/0x360 [ 9064.880818][ T1076] netlink_unicast+0x449/0x710 [ 9064.880818][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9064.880818][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9064.880818][ T1076] ___sys_sendmsg+0xee/0x170 [ 9064.880818][ T1076] __sys_sendmsg+0xcd/0x170 [ 9064.880818][ T1076] do_syscall_64+0xc6/0x1e0 [ 9064.880818][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.880818][ T1076] [ 9064.882564][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9064.882564][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9064.882564][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9064.882564][ T1076] ipv6_find_idev+0x102/0x170 [ 9064.882564][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9064.882564][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9064.882564][ T1076] netlink_rcv_skb+0x130/0x360 [ 9064.882564][ T1076] netlink_unicast+0x449/0x710 [ 9064.882564][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9064.882564][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9064.882564][ T1076] ___sys_sendmsg+0xee/0x170 [ 9064.882564][ T1076] __sys_sendmsg+0xcd/0x170 [ 9064.882564][ T1076] do_syscall_64+0xc6/0x1e0 [ 9064.882564][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9064.882564][ T1076] [ 9068.285641][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9068.286095][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9068.286095][ T73] dst_init+0x84/0x4a0 [ 9068.286095][ T73] dst_alloc+0x97/0x150 [ 9068.286095][ T73] ip6_dst_alloc+0x23/0x90 [ 9068.286095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9068.286095][ T73] ip6_pol_route+0x56f/0x840 [ 9068.286095][ T73] fib6_rule_lookup+0x456/0x630 [ 9068.286095][ T73] ip6_route_input+0x59c/0xa50 [ 9068.286095][ T73] ipv6_rcv+0x397/0x810 [ 9068.286095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9068.286095][ T73] process_backlog+0x101/0x620 [ 9068.286095][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9068.286095][ T73] net_rx_action+0x495/0xbe0 [ 9068.286095][ T73] __do_softirq+0x1b5/0x7f6 [ 9068.286095][ T73] [ 9068.287800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9068.287800][ T73] netdev_get_by_index+0x5e/0x80 [ 9068.287800][ T73] fib6_nh_init+0x3d8/0x1580 [ 9068.287800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9068.287800][ T73] ip6_route_add+0x1c/0x140 [ 9068.287800][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9068.287800][ T73] inet6_addr_add+0x4f8/0xa40 [ 9068.287800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9068.287800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.287800][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.287800][ T73] netlink_unicast+0x449/0x710 [ 9068.287800][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.287800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.287800][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.287800][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.287800][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.287800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.287800][ T73] [ 9068.289822][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9068.289822][ T73] netdev_get_by_index+0x5e/0x80 [ 9068.289822][ T73] fib6_nh_init+0x3d8/0x1580 [ 9068.289822][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9068.289822][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9068.289822][ T73] ipv6_add_addr+0x411/0x2000 [ 9068.289822][ T73] inet6_addr_add+0x30e/0xa40 [ 9068.289822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9068.289822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.289822][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.289822][ T73] netlink_unicast+0x449/0x710 [ 9068.289822][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.289822][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.289822][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.289822][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.289822][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.289822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.289822][ T73] [ 9068.291852][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9068.291852][ T73] netdev_get_by_index+0x5e/0x80 [ 9068.291852][ T73] fib6_nh_init+0x3d8/0x1580 [ 9068.291852][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9068.291852][ T73] ip6_route_add+0x1c/0x140 [ 9068.291852][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9068.291852][ T73] addrconf_add_dev+0xe2/0x170 [ 9068.291852][ T73] inet6_addr_add+0x12f/0xa40 [ 9068.291852][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9068.291852][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.291852][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.291852][ T73] netlink_unicast+0x449/0x710 [ 9068.291852][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.291852][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.291852][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.291852][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.291852][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.291852][ T73] [ 9068.293819][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9068.293819][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9068.293819][ T73] ipv6_find_idev+0x102/0x170 [ 9068.293819][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9068.293819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.293819][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.293819][ T73] netlink_unicast+0x449/0x710 [ 9068.293819][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.293819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.293819][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.293819][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.293819][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.293819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.293819][ T73] [ 9068.295364][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9068.295364][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9068.295364][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9068.295364][ T73] ipv6_find_idev+0x102/0x170 [ 9068.295364][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9068.295364][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.295364][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.295364][ T73] netlink_unicast+0x449/0x710 [ 9068.295364][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.295364][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.295364][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.295364][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.295364][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.295364][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.295364][ T73] [ 9068.297073][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9068.297314][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9068.297314][ T73] dst_init+0x84/0x4a0 [ 9068.297314][ T73] dst_alloc+0x97/0x150 [ 9068.297314][ T73] ip6_dst_alloc+0x23/0x90 [ 9068.297314][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9068.297314][ T73] ip6_pol_route+0x56f/0x840 [ 9068.297314][ T73] fib6_rule_lookup+0x456/0x630 [ 9068.297314][ T73] ip6_route_input+0x59c/0xa50 [ 9068.297314][ T73] ipv6_rcv+0x397/0x810 [ 9068.297314][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9068.297314][ T73] process_backlog+0x101/0x620 [ 9068.297314][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9068.297314][ T73] net_rx_action+0x495/0xbe0 [ 9068.297314][ T73] __do_softirq+0x1b5/0x7f6 [ 9068.297314][ T73] [ 9068.298953][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9068.298953][ T73] netdev_get_by_index+0x5e/0x80 [ 9068.298953][ T73] fib6_nh_init+0x3d8/0x1580 [ 9068.298953][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9068.298953][ T73] ip6_route_add+0x1c/0x140 [ 9068.298953][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9068.298953][ T73] inet6_addr_add+0x4f8/0xa40 [ 9068.298953][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9068.298953][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.298953][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.298953][ T73] netlink_unicast+0x449/0x710 [ 9068.298953][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.298953][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.298953][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.298953][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.298953][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.298953][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.298953][ T73] [ 9068.300958][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9068.300958][ T73] netdev_get_by_index+0x5e/0x80 [ 9068.300958][ T73] fib6_nh_init+0x3d8/0x1580 [ 9068.300958][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9068.300958][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9068.300958][ T73] ipv6_add_addr+0x411/0x2000 [ 9068.300958][ T73] inet6_addr_add+0x30e/0xa40 [ 9068.300958][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9068.300958][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.300958][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.300958][ T73] netlink_unicast+0x449/0x710 [ 9068.300958][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.300958][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.300958][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.300958][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.300958][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.300958][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.300958][ T73] [ 9068.302966][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9068.302966][ T73] netdev_get_by_index+0x5e/0x80 [ 9068.302966][ T73] fib6_nh_init+0x3d8/0x1580 [ 9068.302966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9068.302966][ T73] ip6_route_add+0x1c/0x140 [ 9068.302966][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9068.302966][ T73] addrconf_add_dev+0xe2/0x170 [ 9068.302966][ T73] inet6_addr_add+0x12f/0xa40 [ 9068.302966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9068.302966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.302966][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.302966][ T73] netlink_unicast+0x449/0x710 [ 9068.302966][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.302966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.302966][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.302966][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.302966][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.302966][ T73] [ 9068.304934][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9068.304934][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9068.304934][ T73] ipv6_find_idev+0x102/0x170 [ 9068.304934][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9068.304934][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.304934][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.304934][ T73] netlink_unicast+0x449/0x710 [ 9068.304934][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.304934][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.304934][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.304934][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.304934][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.304934][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.304934][ T73] [ 9068.306469][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9068.306469][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9068.306469][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9068.306469][ T73] ipv6_find_idev+0x102/0x170 [ 9068.306469][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9068.306469][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9068.306469][ T73] netlink_rcv_skb+0x130/0x360 [ 9068.306469][ T73] netlink_unicast+0x449/0x710 [ 9068.306469][ T73] netlink_sendmsg+0x723/0xbe0 [ 9068.306469][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9068.306469][ T73] ___sys_sendmsg+0xee/0x170 [ 9068.306469][ T73] __sys_sendmsg+0xcd/0x170 [ 9068.306469][ T73] do_syscall_64+0xc6/0x1e0 [ 9068.306469][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9068.306469][ T73] [ 9075.125711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9075.126198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9075.126198][ T1076] netdev_get_by_index+0x5e/0x80 [ 9075.126198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9075.126198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9075.126198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9075.126198][ T1076] ipv6_add_addr+0x411/0x2000 [ 9075.126198][ T1076] inet6_addr_add+0x30e/0xa40 [ 9075.126198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9075.126198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.126198][ T1076] netlink_rcv_skb+0x130/0x360 [ 9075.126198][ T1076] netlink_unicast+0x449/0x710 [ 9075.126198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9075.126198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9075.126198][ T1076] ___sys_sendmsg+0xee/0x170 [ 9075.126198][ T1076] __sys_sendmsg+0xcd/0x170 [ 9075.126198][ T1076] do_syscall_64+0xc6/0x1e0 [ 9075.126198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.126198][ T1076] [ 9075.128447][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9075.128447][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9075.128447][ T1076] ipv6_find_idev+0x102/0x170 [ 9075.128447][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9075.128447][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.128447][ T1076] netlink_rcv_skb+0x130/0x360 [ 9075.128447][ T1076] netlink_unicast+0x449/0x710 [ 9075.128447][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9075.128447][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9075.128447][ T1076] ___sys_sendmsg+0xee/0x170 [ 9075.128447][ T1076] __sys_sendmsg+0xcd/0x170 [ 9075.128447][ T1076] do_syscall_64+0xc6/0x1e0 [ 9075.128447][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.128447][ T1076] [ 9075.130167][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9075.130167][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9075.130167][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9075.130167][ T1076] ipv6_find_idev+0x102/0x170 [ 9075.130167][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9075.130167][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9075.130167][ T1076] netlink_rcv_skb+0x130/0x360 [ 9075.130167][ T1076] netlink_unicast+0x449/0x710 [ 9075.130167][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9075.130167][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9075.130167][ T1076] ___sys_sendmsg+0xee/0x170 [ 9075.130167][ T1076] __sys_sendmsg+0xcd/0x170 [ 9075.130167][ T1076] do_syscall_64+0xc6/0x1e0 [ 9075.130167][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9075.130167][ T1076] [ 9078.549633][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9078.550061][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9078.550061][ T73] dst_init+0x84/0x4a0 [ 9078.550061][ T73] dst_alloc+0x97/0x150 [ 9078.550061][ T73] ip6_dst_alloc+0x23/0x90 [ 9078.550061][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9078.550061][ T73] ip6_pol_route+0x56f/0x840 [ 9078.550061][ T73] fib6_rule_lookup+0x456/0x630 [ 9078.550061][ T73] ip6_route_input+0x59c/0xa50 [ 9078.550061][ T73] ipv6_rcv+0x397/0x810 [ 9078.550061][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9078.550061][ T73] process_backlog+0x101/0x620 [ 9078.550061][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9078.550061][ T73] net_rx_action+0x495/0xbe0 [ 9078.550061][ T73] __do_softirq+0x1b5/0x7f6 [ 9078.550061][ T73] [ 9078.551762][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9078.551762][ T73] netdev_get_by_index+0x5e/0x80 [ 9078.551762][ T73] fib6_nh_init+0x3d8/0x1580 [ 9078.551762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9078.551762][ T73] ip6_route_add+0x1c/0x140 [ 9078.551762][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9078.551762][ T73] inet6_addr_add+0x4f8/0xa40 [ 9078.551762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9078.551762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.551762][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.551762][ T73] netlink_unicast+0x449/0x710 [ 9078.551762][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.551762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.551762][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.551762][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.551762][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.551762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.551762][ T73] [ 9078.553799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9078.553799][ T73] netdev_get_by_index+0x5e/0x80 [ 9078.553799][ T73] fib6_nh_init+0x3d8/0x1580 [ 9078.553799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9078.553799][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9078.553799][ T73] ipv6_add_addr+0x411/0x2000 [ 9078.553799][ T73] inet6_addr_add+0x30e/0xa40 [ 9078.553799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9078.553799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.553799][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.553799][ T73] netlink_unicast+0x449/0x710 [ 9078.553799][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.553799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.553799][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.553799][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.553799][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.553799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.553799][ T73] [ 9078.555843][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9078.555843][ T73] netdev_get_by_index+0x5e/0x80 [ 9078.555843][ T73] fib6_nh_init+0x3d8/0x1580 [ 9078.555843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9078.555843][ T73] ip6_route_add+0x1c/0x140 [ 9078.555843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9078.555843][ T73] addrconf_add_dev+0xe2/0x170 [ 9078.555843][ T73] inet6_addr_add+0x12f/0xa40 [ 9078.555843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9078.555843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.555843][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.555843][ T73] netlink_unicast+0x449/0x710 [ 9078.555843][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.555843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.555843][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.555843][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.555843][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.555843][ T73] [ 9078.557860][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9078.557860][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9078.557860][ T73] ipv6_find_idev+0x102/0x170 [ 9078.557860][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9078.557860][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.557860][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.557860][ T73] netlink_unicast+0x449/0x710 [ 9078.557860][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.557860][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.557860][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.557860][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.557860][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.557860][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.557860][ T73] [ 9078.559442][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9078.559442][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9078.559442][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9078.559442][ T73] ipv6_find_idev+0x102/0x170 [ 9078.559442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9078.559442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.559442][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.559442][ T73] netlink_unicast+0x449/0x710 [ 9078.559442][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.559442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.559442][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.559442][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.559442][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.559442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.559442][ T73] [ 9078.561207][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9078.561462][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9078.561462][ T73] dst_init+0x84/0x4a0 [ 9078.561462][ T73] dst_alloc+0x97/0x150 [ 9078.561462][ T73] ip6_dst_alloc+0x23/0x90 [ 9078.561462][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9078.561462][ T73] ip6_pol_route+0x56f/0x840 [ 9078.561462][ T73] fib6_rule_lookup+0x456/0x630 [ 9078.561462][ T73] ip6_route_input+0x59c/0xa50 [ 9078.561462][ T73] ipv6_rcv+0x397/0x810 [ 9078.561462][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9078.561462][ T73] process_backlog+0x101/0x620 [ 9078.561462][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9078.561462][ T73] net_rx_action+0x495/0xbe0 [ 9078.561462][ T73] __do_softirq+0x1b5/0x7f6 [ 9078.561462][ T73] [ 9078.563132][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9078.563132][ T73] netdev_get_by_index+0x5e/0x80 [ 9078.563132][ T73] fib6_nh_init+0x3d8/0x1580 [ 9078.563132][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9078.563132][ T73] ip6_route_add+0x1c/0x140 [ 9078.563132][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9078.563132][ T73] inet6_addr_add+0x4f8/0xa40 [ 9078.563132][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9078.563132][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.563132][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.563132][ T73] netlink_unicast+0x449/0x710 [ 9078.563132][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.563132][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.563132][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.563132][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.563132][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.563132][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.563132][ T73] [ 9078.565161][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9078.565161][ T73] netdev_get_by_index+0x5e/0x80 [ 9078.565161][ T73] fib6_nh_init+0x3d8/0x1580 [ 9078.565161][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9078.565161][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9078.565161][ T73] ipv6_add_addr+0x411/0x2000 [ 9078.565161][ T73] inet6_addr_add+0x30e/0xa40 [ 9078.565161][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9078.565161][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.565161][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.565161][ T73] netlink_unicast+0x449/0x710 [ 9078.565161][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.565161][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.565161][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.565161][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.565161][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.565161][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.565161][ T73] [ 9078.567187][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9078.567187][ T73] netdev_get_by_index+0x5e/0x80 [ 9078.567187][ T73] fib6_nh_init+0x3d8/0x1580 [ 9078.567187][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9078.567187][ T73] ip6_route_add+0x1c/0x140 [ 9078.567187][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9078.567187][ T73] addrconf_add_dev+0xe2/0x170 [ 9078.567187][ T73] inet6_addr_add+0x12f/0xa40 [ 9078.567187][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9078.567187][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.567187][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.567187][ T73] netlink_unicast+0x449/0x710 [ 9078.567187][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.567187][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.567187][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.567187][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.567187][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.567187][ T73] [ 9078.569185][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9078.569185][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9078.569185][ T73] ipv6_find_idev+0x102/0x170 [ 9078.569185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9078.569185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.569185][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.569185][ T73] netlink_unicast+0x449/0x710 [ 9078.569185][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.569185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.569185][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.569185][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.569185][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.569185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.569185][ T73] [ 9078.570748][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9078.570748][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9078.570748][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9078.570748][ T73] ipv6_find_idev+0x102/0x170 [ 9078.570748][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9078.570748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9078.570748][ T73] netlink_rcv_skb+0x130/0x360 [ 9078.570748][ T73] netlink_unicast+0x449/0x710 [ 9078.570748][ T73] netlink_sendmsg+0x723/0xbe0 [ 9078.570748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9078.570748][ T73] ___sys_sendmsg+0xee/0x170 [ 9078.570748][ T73] __sys_sendmsg+0xcd/0x170 [ 9078.570748][ T73] do_syscall_64+0xc6/0x1e0 [ 9078.570748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9078.570748][ T73] [ 9085.373697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9085.374176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9085.374176][ T1076] netdev_get_by_index+0x5e/0x80 [ 9085.374176][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9085.374176][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9085.374176][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9085.374176][ T1076] ipv6_add_addr+0x411/0x2000 [ 9085.374176][ T1076] inet6_addr_add+0x30e/0xa40 [ 9085.374176][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9085.374176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.374176][ T1076] netlink_rcv_skb+0x130/0x360 [ 9085.374176][ T1076] netlink_unicast+0x449/0x710 [ 9085.374176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9085.374176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9085.374176][ T1076] ___sys_sendmsg+0xee/0x170 [ 9085.374176][ T1076] __sys_sendmsg+0xcd/0x170 [ 9085.374176][ T1076] do_syscall_64+0xc6/0x1e0 [ 9085.374176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.374176][ T1076] [ 9085.376437][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9085.376437][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9085.376437][ T1076] ipv6_find_idev+0x102/0x170 [ 9085.376437][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9085.376437][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.376437][ T1076] netlink_rcv_skb+0x130/0x360 [ 9085.376437][ T1076] netlink_unicast+0x449/0x710 [ 9085.376437][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9085.376437][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9085.376437][ T1076] ___sys_sendmsg+0xee/0x170 [ 9085.376437][ T1076] __sys_sendmsg+0xcd/0x170 [ 9085.376437][ T1076] do_syscall_64+0xc6/0x1e0 [ 9085.376437][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.376437][ T1076] [ 9085.378165][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9085.378165][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9085.378165][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9085.378165][ T1076] ipv6_find_idev+0x102/0x170 [ 9085.378165][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9085.378165][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9085.378165][ T1076] netlink_rcv_skb+0x130/0x360 [ 9085.378165][ T1076] netlink_unicast+0x449/0x710 [ 9085.378165][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9085.378165][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9085.378165][ T1076] ___sys_sendmsg+0xee/0x170 [ 9085.378165][ T1076] __sys_sendmsg+0xcd/0x170 [ 9085.378165][ T1076] do_syscall_64+0xc6/0x1e0 [ 9085.378165][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9085.378165][ T1076] [ 9088.813642][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9088.814073][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9088.814073][ T73] dst_init+0x84/0x4a0 [ 9088.814073][ T73] dst_alloc+0x97/0x150 [ 9088.814073][ T73] ip6_dst_alloc+0x23/0x90 [ 9088.814073][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9088.814073][ T73] ip6_pol_route+0x56f/0x840 [ 9088.814073][ T73] fib6_rule_lookup+0x456/0x630 [ 9088.814073][ T73] ip6_route_input+0x59c/0xa50 [ 9088.814073][ T73] ipv6_rcv+0x397/0x810 [ 9088.814073][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9088.814073][ T73] process_backlog+0x101/0x620 [ 9088.814073][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9088.814073][ T73] net_rx_action+0x495/0xbe0 [ 9088.814073][ T73] __do_softirq+0x1b5/0x7f6 [ 9088.814073][ T73] [ 9088.815772][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9088.815772][ T73] netdev_get_by_index+0x5e/0x80 [ 9088.815772][ T73] fib6_nh_init+0x3d8/0x1580 [ 9088.815772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9088.815772][ T73] ip6_route_add+0x1c/0x140 [ 9088.815772][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9088.815772][ T73] inet6_addr_add+0x4f8/0xa40 [ 9088.815772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9088.815772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.815772][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.815772][ T73] netlink_unicast+0x449/0x710 [ 9088.815772][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.815772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.815772][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.815772][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.815772][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.815772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.815772][ T73] [ 9088.817814][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9088.817814][ T73] netdev_get_by_index+0x5e/0x80 [ 9088.817814][ T73] fib6_nh_init+0x3d8/0x1580 [ 9088.817814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9088.817814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9088.817814][ T73] ipv6_add_addr+0x411/0x2000 [ 9088.817814][ T73] inet6_addr_add+0x30e/0xa40 [ 9088.817814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9088.817814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.817814][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.817814][ T73] netlink_unicast+0x449/0x710 [ 9088.817814][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.817814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.817814][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.817814][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.817814][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.817814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.817814][ T73] [ 9088.819847][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9088.819847][ T73] netdev_get_by_index+0x5e/0x80 [ 9088.819847][ T73] fib6_nh_init+0x3d8/0x1580 [ 9088.819847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9088.819847][ T73] ip6_route_add+0x1c/0x140 [ 9088.819847][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9088.819847][ T73] addrconf_add_dev+0xe2/0x170 [ 9088.819847][ T73] inet6_addr_add+0x12f/0xa40 [ 9088.819847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9088.819847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.819847][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.819847][ T73] netlink_unicast+0x449/0x710 [ 9088.819847][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.819847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.819847][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.819847][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.819847][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.819847][ T73] [ 9088.821848][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9088.821848][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9088.821848][ T73] ipv6_find_idev+0x102/0x170 [ 9088.821848][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9088.821848][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.821848][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.821848][ T73] netlink_unicast+0x449/0x710 [ 9088.821848][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.821848][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.821848][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.821848][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.821848][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.821848][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.821848][ T73] [ 9088.823428][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9088.823428][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9088.823428][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9088.823428][ T73] ipv6_find_idev+0x102/0x170 [ 9088.823428][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9088.823428][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.823428][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.823428][ T73] netlink_unicast+0x449/0x710 [ 9088.823428][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.823428][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.823428][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.823428][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.823428][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.823428][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.823428][ T73] [ 9088.825164][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9088.825412][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9088.825412][ T73] dst_init+0x84/0x4a0 [ 9088.825412][ T73] dst_alloc+0x97/0x150 [ 9088.825412][ T73] ip6_dst_alloc+0x23/0x90 [ 9088.825412][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9088.825412][ T73] ip6_pol_route+0x56f/0x840 [ 9088.825412][ T73] fib6_rule_lookup+0x456/0x630 [ 9088.825412][ T73] ip6_route_input+0x59c/0xa50 [ 9088.825412][ T73] ipv6_rcv+0x397/0x810 [ 9088.825412][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9088.825412][ T73] process_backlog+0x101/0x620 [ 9088.825412][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9088.825412][ T73] net_rx_action+0x495/0xbe0 [ 9088.825412][ T73] __do_softirq+0x1b5/0x7f6 [ 9088.825412][ T73] [ 9088.827053][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9088.827053][ T73] netdev_get_by_index+0x5e/0x80 [ 9088.827053][ T73] fib6_nh_init+0x3d8/0x1580 [ 9088.827053][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9088.827053][ T73] ip6_route_add+0x1c/0x140 [ 9088.827053][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9088.827053][ T73] inet6_addr_add+0x4f8/0xa40 [ 9088.827053][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9088.827053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.827053][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.827053][ T73] netlink_unicast+0x449/0x710 [ 9088.827053][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.827053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.827053][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.827053][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.827053][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.827053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.827053][ T73] [ 9088.829055][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9088.829055][ T73] netdev_get_by_index+0x5e/0x80 [ 9088.829055][ T73] fib6_nh_init+0x3d8/0x1580 [ 9088.829055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9088.829055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9088.829055][ T73] ipv6_add_addr+0x411/0x2000 [ 9088.829055][ T73] inet6_addr_add+0x30e/0xa40 [ 9088.829055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9088.829055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.829055][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.829055][ T73] netlink_unicast+0x449/0x710 [ 9088.829055][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.829055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.829055][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.829055][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.829055][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.829055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.829055][ T73] [ 9088.831059][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9088.831059][ T73] netdev_get_by_index+0x5e/0x80 [ 9088.831059][ T73] fib6_nh_init+0x3d8/0x1580 [ 9088.831059][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9088.831059][ T73] ip6_route_add+0x1c/0x140 [ 9088.831059][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9088.831059][ T73] addrconf_add_dev+0xe2/0x170 [ 9088.831059][ T73] inet6_addr_add+0x12f/0xa40 [ 9088.831059][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9088.831059][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.831059][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.831059][ T73] netlink_unicast+0x449/0x710 [ 9088.831059][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.831059][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.831059][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.831059][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.831059][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.831059][ T73] [ 9088.833035][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9088.833035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9088.833035][ T73] ipv6_find_idev+0x102/0x170 [ 9088.833035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9088.833035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.833035][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.833035][ T73] netlink_unicast+0x449/0x710 [ 9088.833035][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.833035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.833035][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.833035][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.833035][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.833035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.833035][ T73] [ 9088.834570][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9088.834570][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9088.834570][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9088.834570][ T73] ipv6_find_idev+0x102/0x170 [ 9088.834570][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9088.834570][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9088.834570][ T73] netlink_rcv_skb+0x130/0x360 [ 9088.834570][ T73] netlink_unicast+0x449/0x710 [ 9088.834570][ T73] netlink_sendmsg+0x723/0xbe0 [ 9088.834570][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9088.834570][ T73] ___sys_sendmsg+0xee/0x170 [ 9088.834570][ T73] __sys_sendmsg+0xcd/0x170 [ 9088.834570][ T73] do_syscall_64+0xc6/0x1e0 [ 9088.834570][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9088.834570][ T73] [ 9095.621701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9095.622216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9095.622216][ T1076] netdev_get_by_index+0x5e/0x80 [ 9095.622216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9095.622216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9095.622216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9095.622216][ T1076] ipv6_add_addr+0x411/0x2000 [ 9095.622216][ T1076] inet6_addr_add+0x30e/0xa40 [ 9095.622216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9095.622216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.622216][ T1076] netlink_rcv_skb+0x130/0x360 [ 9095.622216][ T1076] netlink_unicast+0x449/0x710 [ 9095.622216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9095.622216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9095.622216][ T1076] ___sys_sendmsg+0xee/0x170 [ 9095.622216][ T1076] __sys_sendmsg+0xcd/0x170 [ 9095.622216][ T1076] do_syscall_64+0xc6/0x1e0 [ 9095.622216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.622216][ T1076] [ 9095.624570][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9095.624570][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9095.624570][ T1076] ipv6_find_idev+0x102/0x170 [ 9095.624570][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9095.624570][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.624570][ T1076] netlink_rcv_skb+0x130/0x360 [ 9095.624570][ T1076] netlink_unicast+0x449/0x710 [ 9095.624570][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9095.624570][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9095.624570][ T1076] ___sys_sendmsg+0xee/0x170 [ 9095.624570][ T1076] __sys_sendmsg+0xcd/0x170 [ 9095.624570][ T1076] do_syscall_64+0xc6/0x1e0 [ 9095.624570][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.624570][ T1076] [ 9095.626321][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9095.626321][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9095.626321][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9095.626321][ T1076] ipv6_find_idev+0x102/0x170 [ 9095.626321][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9095.626321][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9095.626321][ T1076] netlink_rcv_skb+0x130/0x360 [ 9095.626321][ T1076] netlink_unicast+0x449/0x710 [ 9095.626321][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9095.626321][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9095.626321][ T1076] ___sys_sendmsg+0xee/0x170 [ 9095.626321][ T1076] __sys_sendmsg+0xcd/0x170 [ 9095.626321][ T1076] do_syscall_64+0xc6/0x1e0 [ 9095.626321][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9095.626321][ T1076] [ 9099.077642][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9099.078093][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9099.078093][ T73] dst_init+0x84/0x4a0 [ 9099.078093][ T73] dst_alloc+0x97/0x150 [ 9099.078093][ T73] ip6_dst_alloc+0x23/0x90 [ 9099.078093][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9099.078093][ T73] ip6_pol_route+0x56f/0x840 [ 9099.078093][ T73] fib6_rule_lookup+0x456/0x630 [ 9099.078093][ T73] ip6_route_input+0x59c/0xa50 [ 9099.078093][ T73] ipv6_rcv+0x397/0x810 [ 9099.078093][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9099.078093][ T73] process_backlog+0x101/0x620 [ 9099.078093][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9099.078093][ T73] net_rx_action+0x495/0xbe0 [ 9099.078093][ T73] __do_softirq+0x1b5/0x7f6 [ 9099.078093][ T73] [ 9099.079765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9099.079765][ T73] netdev_get_by_index+0x5e/0x80 [ 9099.079765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9099.079765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9099.079765][ T73] ip6_route_add+0x1c/0x140 [ 9099.079765][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9099.079765][ T73] inet6_addr_add+0x4f8/0xa40 [ 9099.079765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9099.079765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.079765][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.079765][ T73] netlink_unicast+0x449/0x710 [ 9099.079765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.079765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.079765][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.079765][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.079765][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.079765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.079765][ T73] [ 9099.081802][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9099.081802][ T73] netdev_get_by_index+0x5e/0x80 [ 9099.081802][ T73] fib6_nh_init+0x3d8/0x1580 [ 9099.081802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9099.081802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9099.081802][ T73] ipv6_add_addr+0x411/0x2000 [ 9099.081802][ T73] inet6_addr_add+0x30e/0xa40 [ 9099.081802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9099.081802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.081802][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.081802][ T73] netlink_unicast+0x449/0x710 [ 9099.081802][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.081802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.081802][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.081802][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.081802][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.081802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.081802][ T73] [ 9099.083826][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9099.083826][ T73] netdev_get_by_index+0x5e/0x80 [ 9099.083826][ T73] fib6_nh_init+0x3d8/0x1580 [ 9099.083826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9099.083826][ T73] ip6_route_add+0x1c/0x140 [ 9099.083826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9099.083826][ T73] addrconf_add_dev+0xe2/0x170 [ 9099.083826][ T73] inet6_addr_add+0x12f/0xa40 [ 9099.083826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9099.083826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.083826][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.083826][ T73] netlink_unicast+0x449/0x710 [ 9099.083826][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.083826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.083826][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.083826][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.083826][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.083826][ T73] [ 9099.085805][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9099.085805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9099.085805][ T73] ipv6_find_idev+0x102/0x170 [ 9099.085805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9099.085805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.085805][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.085805][ T73] netlink_unicast+0x449/0x710 [ 9099.085805][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.085805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.085805][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.085805][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.085805][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.085805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.085805][ T73] [ 9099.087360][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9099.087360][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9099.087360][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9099.087360][ T73] ipv6_find_idev+0x102/0x170 [ 9099.087360][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9099.087360][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.087360][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.087360][ T73] netlink_unicast+0x449/0x710 [ 9099.087360][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.087360][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.087360][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.087360][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.087360][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.087360][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.087360][ T73] [ 9099.089070][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9099.089311][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9099.089311][ T73] dst_init+0x84/0x4a0 [ 9099.089311][ T73] dst_alloc+0x97/0x150 [ 9099.089311][ T73] ip6_dst_alloc+0x23/0x90 [ 9099.089311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9099.089311][ T73] ip6_pol_route+0x56f/0x840 [ 9099.089311][ T73] fib6_rule_lookup+0x456/0x630 [ 9099.089311][ T73] ip6_route_input+0x59c/0xa50 [ 9099.089311][ T73] ipv6_rcv+0x397/0x810 [ 9099.089311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9099.089311][ T73] process_backlog+0x101/0x620 [ 9099.089311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9099.089311][ T73] net_rx_action+0x495/0xbe0 [ 9099.089311][ T73] __do_softirq+0x1b5/0x7f6 [ 9099.089311][ T73] [ 9099.090962][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9099.090962][ T73] netdev_get_by_index+0x5e/0x80 [ 9099.090962][ T73] fib6_nh_init+0x3d8/0x1580 [ 9099.090962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9099.090962][ T73] ip6_route_add+0x1c/0x140 [ 9099.090962][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9099.090962][ T73] inet6_addr_add+0x4f8/0xa40 [ 9099.090962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9099.090962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.090962][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.090962][ T73] netlink_unicast+0x449/0x710 [ 9099.090962][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.090962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.090962][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.090962][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.090962][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.090962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.090962][ T73] [ 9099.092980][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9099.092980][ T73] netdev_get_by_index+0x5e/0x80 [ 9099.092980][ T73] fib6_nh_init+0x3d8/0x1580 [ 9099.092980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9099.092980][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9099.092980][ T73] ipv6_add_addr+0x411/0x2000 [ 9099.092980][ T73] inet6_addr_add+0x30e/0xa40 [ 9099.092980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9099.092980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.092980][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.092980][ T73] netlink_unicast+0x449/0x710 [ 9099.092980][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.092980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.092980][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.092980][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.092980][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.092980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.092980][ T73] [ 9099.095027][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9099.095027][ T73] netdev_get_by_index+0x5e/0x80 [ 9099.095027][ T73] fib6_nh_init+0x3d8/0x1580 [ 9099.095027][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9099.095027][ T73] ip6_route_add+0x1c/0x140 [ 9099.095027][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9099.095027][ T73] addrconf_add_dev+0xe2/0x170 [ 9099.095027][ T73] inet6_addr_add+0x12f/0xa40 [ 9099.095027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9099.095027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.095027][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.095027][ T73] netlink_unicast+0x449/0x710 [ 9099.095027][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.095027][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.095027][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.095027][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.095027][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.095027][ T73] [ 9099.097053][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9099.097053][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9099.097053][ T73] ipv6_find_idev+0x102/0x170 [ 9099.097053][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9099.097053][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.097053][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.097053][ T73] netlink_unicast+0x449/0x710 [ 9099.097053][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.097053][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.097053][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.097053][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.097053][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.097053][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.097053][ T73] [ 9099.098659][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9099.098659][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9099.098659][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9099.098659][ T73] ipv6_find_idev+0x102/0x170 [ 9099.098659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9099.098659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9099.098659][ T73] netlink_rcv_skb+0x130/0x360 [ 9099.098659][ T73] netlink_unicast+0x449/0x710 [ 9099.098659][ T73] netlink_sendmsg+0x723/0xbe0 [ 9099.098659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9099.098659][ T73] ___sys_sendmsg+0xee/0x170 [ 9099.098659][ T73] __sys_sendmsg+0xcd/0x170 [ 9099.098659][ T73] do_syscall_64+0xc6/0x1e0 [ 9099.098659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9099.098659][ T73] [ 9105.869700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9105.870189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9105.870189][ T1076] netdev_get_by_index+0x5e/0x80 [ 9105.870189][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9105.870189][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9105.870189][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9105.870189][ T1076] ipv6_add_addr+0x411/0x2000 [ 9105.870189][ T1076] inet6_addr_add+0x30e/0xa40 [ 9105.870189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9105.870189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.870189][ T1076] netlink_rcv_skb+0x130/0x360 [ 9105.870189][ T1076] netlink_unicast+0x449/0x710 [ 9105.870189][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9105.870189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9105.870189][ T1076] ___sys_sendmsg+0xee/0x170 [ 9105.870189][ T1076] __sys_sendmsg+0xcd/0x170 [ 9105.870189][ T1076] do_syscall_64+0xc6/0x1e0 [ 9105.870189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.870189][ T1076] [ 9105.872449][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9105.872449][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9105.872449][ T1076] ipv6_find_idev+0x102/0x170 [ 9105.872449][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.872449][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.872449][ T1076] netlink_rcv_skb+0x130/0x360 [ 9105.872449][ T1076] netlink_unicast+0x449/0x710 [ 9105.872449][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9105.872449][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9105.872449][ T1076] ___sys_sendmsg+0xee/0x170 [ 9105.872449][ T1076] __sys_sendmsg+0xcd/0x170 [ 9105.872449][ T1076] do_syscall_64+0xc6/0x1e0 [ 9105.872449][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.872449][ T1076] [ 9105.874176][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9105.874176][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9105.874176][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9105.874176][ T1076] ipv6_find_idev+0x102/0x170 [ 9105.874176][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9105.874176][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9105.874176][ T1076] netlink_rcv_skb+0x130/0x360 [ 9105.874176][ T1076] netlink_unicast+0x449/0x710 [ 9105.874176][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9105.874176][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9105.874176][ T1076] ___sys_sendmsg+0xee/0x170 [ 9105.874176][ T1076] __sys_sendmsg+0xcd/0x170 [ 9105.874176][ T1076] do_syscall_64+0xc6/0x1e0 [ 9105.874176][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9105.874176][ T1076] [ 9109.341647][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9109.342118][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9109.342118][ T73] dst_init+0x84/0x4a0 [ 9109.342118][ T73] dst_alloc+0x97/0x150 [ 9109.342118][ T73] ip6_dst_alloc+0x23/0x90 [ 9109.342118][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9109.342118][ T73] ip6_pol_route+0x56f/0x840 [ 9109.342118][ T73] fib6_rule_lookup+0x456/0x630 [ 9109.342118][ T73] ip6_route_input+0x59c/0xa50 [ 9109.342118][ T73] ipv6_rcv+0x397/0x810 [ 9109.342118][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9109.342118][ T73] process_backlog+0x101/0x620 [ 9109.342118][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9109.342118][ T73] net_rx_action+0x495/0xbe0 [ 9109.342118][ T73] __do_softirq+0x1b5/0x7f6 [ 9109.342118][ T73] [ 9109.343796][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9109.343796][ T73] netdev_get_by_index+0x5e/0x80 [ 9109.343796][ T73] fib6_nh_init+0x3d8/0x1580 [ 9109.343796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9109.343796][ T73] ip6_route_add+0x1c/0x140 [ 9109.343796][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9109.343796][ T73] inet6_addr_add+0x4f8/0xa40 [ 9109.343796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9109.343796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.343796][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.343796][ T73] netlink_unicast+0x449/0x710 [ 9109.343796][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.343796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.343796][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.343796][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.343796][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.343796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.343796][ T73] [ 9109.345816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9109.345816][ T73] netdev_get_by_index+0x5e/0x80 [ 9109.345816][ T73] fib6_nh_init+0x3d8/0x1580 [ 9109.345816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9109.345816][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9109.345816][ T73] ipv6_add_addr+0x411/0x2000 [ 9109.345816][ T73] inet6_addr_add+0x30e/0xa40 [ 9109.345816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9109.345816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.345816][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.345816][ T73] netlink_unicast+0x449/0x710 [ 9109.345816][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.345816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.345816][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.345816][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.345816][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.345816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.345816][ T73] [ 9109.347831][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9109.347831][ T73] netdev_get_by_index+0x5e/0x80 [ 9109.347831][ T73] fib6_nh_init+0x3d8/0x1580 [ 9109.347831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9109.347831][ T73] ip6_route_add+0x1c/0x140 [ 9109.347831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9109.347831][ T73] addrconf_add_dev+0xe2/0x170 [ 9109.347831][ T73] inet6_addr_add+0x12f/0xa40 [ 9109.347831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9109.347831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.347831][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.347831][ T73] netlink_unicast+0x449/0x710 [ 9109.347831][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.347831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.347831][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.347831][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.347831][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.347831][ T73] [ 9109.349831][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9109.349831][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9109.349831][ T73] ipv6_find_idev+0x102/0x170 [ 9109.349831][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9109.349831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.349831][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.349831][ T73] netlink_unicast+0x449/0x710 [ 9109.349831][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.349831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.349831][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.349831][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.349831][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.349831][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.349831][ T73] [ 9109.351387][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9109.351387][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9109.351387][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9109.351387][ T73] ipv6_find_idev+0x102/0x170 [ 9109.351387][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9109.351387][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.351387][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.351387][ T73] netlink_unicast+0x449/0x710 [ 9109.351387][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.351387][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.351387][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.351387][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.351387][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.351387][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.351387][ T73] [ 9109.353113][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9109.353365][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9109.353365][ T73] dst_init+0x84/0x4a0 [ 9109.353365][ T73] dst_alloc+0x97/0x150 [ 9109.353365][ T73] ip6_dst_alloc+0x23/0x90 [ 9109.353365][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9109.353365][ T73] ip6_pol_route+0x56f/0x840 [ 9109.353365][ T73] fib6_rule_lookup+0x456/0x630 [ 9109.353365][ T73] ip6_route_input+0x59c/0xa50 [ 9109.353365][ T73] ipv6_rcv+0x397/0x810 [ 9109.353365][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9109.353365][ T73] process_backlog+0x101/0x620 [ 9109.353365][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9109.353365][ T73] net_rx_action+0x495/0xbe0 [ 9109.353365][ T73] __do_softirq+0x1b5/0x7f6 [ 9109.353365][ T73] [ 9109.355009][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9109.355009][ T73] netdev_get_by_index+0x5e/0x80 [ 9109.355009][ T73] fib6_nh_init+0x3d8/0x1580 [ 9109.355009][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9109.355009][ T73] ip6_route_add+0x1c/0x140 [ 9109.355009][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9109.355009][ T73] inet6_addr_add+0x4f8/0xa40 [ 9109.355009][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9109.355009][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.355009][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.355009][ T73] netlink_unicast+0x449/0x710 [ 9109.355009][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.355009][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.355009][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.355009][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.355009][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.355009][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.355009][ T73] [ 9109.357025][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9109.357025][ T73] netdev_get_by_index+0x5e/0x80 [ 9109.357025][ T73] fib6_nh_init+0x3d8/0x1580 [ 9109.357025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9109.357025][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9109.357025][ T73] ipv6_add_addr+0x411/0x2000 [ 9109.357025][ T73] inet6_addr_add+0x30e/0xa40 [ 9109.357025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9109.357025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.357025][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.357025][ T73] netlink_unicast+0x449/0x710 [ 9109.357025][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.357025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.357025][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.357025][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.357025][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.357025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.357025][ T73] [ 9109.359036][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9109.359036][ T73] netdev_get_by_index+0x5e/0x80 [ 9109.359036][ T73] fib6_nh_init+0x3d8/0x1580 [ 9109.359036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9109.359036][ T73] ip6_route_add+0x1c/0x140 [ 9109.359036][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9109.359036][ T73] addrconf_add_dev+0xe2/0x170 [ 9109.359036][ T73] inet6_addr_add+0x12f/0xa40 [ 9109.359036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9109.359036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.359036][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.359036][ T73] netlink_unicast+0x449/0x710 [ 9109.359036][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.359036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.359036][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.359036][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.359036][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.359036][ T73] [ 9109.361021][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9109.361021][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9109.361021][ T73] ipv6_find_idev+0x102/0x170 [ 9109.361021][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9109.361021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.361021][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.361021][ T73] netlink_unicast+0x449/0x710 [ 9109.361021][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.361021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.361021][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.361021][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.361021][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.361021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.361021][ T73] [ 9109.362569][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9109.362569][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9109.362569][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9109.362569][ T73] ipv6_find_idev+0x102/0x170 [ 9109.362569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9109.362569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9109.362569][ T73] netlink_rcv_skb+0x130/0x360 [ 9109.362569][ T73] netlink_unicast+0x449/0x710 [ 9109.362569][ T73] netlink_sendmsg+0x723/0xbe0 [ 9109.362569][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9109.362569][ T73] ___sys_sendmsg+0xee/0x170 [ 9109.362569][ T73] __sys_sendmsg+0xcd/0x170 [ 9109.362569][ T73] do_syscall_64+0xc6/0x1e0 [ 9109.362569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9109.362569][ T73] [ 9116.117706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9116.118191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9116.118191][ T1076] netdev_get_by_index+0x5e/0x80 [ 9116.118191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9116.118191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9116.118191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9116.118191][ T1076] ipv6_add_addr+0x411/0x2000 [ 9116.118191][ T1076] inet6_addr_add+0x30e/0xa40 [ 9116.118191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9116.118191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9116.118191][ T1076] netlink_rcv_skb+0x130/0x360 [ 9116.118191][ T1076] netlink_unicast+0x449/0x710 [ 9116.118191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9116.118191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9116.118191][ T1076] ___sys_sendmsg+0xee/0x170 [ 9116.118191][ T1076] __sys_sendmsg+0xcd/0x170 [ 9116.118191][ T1076] do_syscall_64+0xc6/0x1e0 [ 9116.118191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9116.118191][ T1076] [ 9116.120513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9116.120513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9116.120513][ T1076] ipv6_find_idev+0x102/0x170 [ 9116.120513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9116.120513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9116.120513][ T1076] netlink_rcv_skb+0x130/0x360 [ 9116.120513][ T1076] netlink_unicast+0x449/0x710 [ 9116.120513][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9116.120513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9116.120513][ T1076] ___sys_sendmsg+0xee/0x170 [ 9116.120513][ T1076] __sys_sendmsg+0xcd/0x170 [ 9116.120513][ T1076] do_syscall_64+0xc6/0x1e0 [ 9116.120513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9116.120513][ T1076] [ 9116.122251][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9116.122251][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9116.122251][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9116.122251][ T1076] ipv6_find_idev+0x102/0x170 [ 9116.122251][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9116.122251][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9116.122251][ T1076] netlink_rcv_skb+0x130/0x360 [ 9116.122251][ T1076] netlink_unicast+0x449/0x710 [ 9116.122251][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9116.122251][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9116.122251][ T1076] ___sys_sendmsg+0xee/0x170 [ 9116.122251][ T1076] __sys_sendmsg+0xcd/0x170 [ 9116.122251][ T1076] do_syscall_64+0xc6/0x1e0 [ 9116.122251][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9116.122251][ T1076] [ 9119.605649][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9119.606080][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9119.606080][ T73] dst_init+0x84/0x4a0 [ 9119.606080][ T73] dst_alloc+0x97/0x150 [ 9119.606080][ T73] ip6_dst_alloc+0x23/0x90 [ 9119.606080][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9119.606080][ T73] ip6_pol_route+0x56f/0x840 [ 9119.606080][ T73] fib6_rule_lookup+0x456/0x630 [ 9119.606080][ T73] ip6_route_input+0x59c/0xa50 [ 9119.606080][ T73] ipv6_rcv+0x397/0x810 [ 9119.606080][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9119.606080][ T73] process_backlog+0x101/0x620 [ 9119.606080][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9119.606080][ T73] net_rx_action+0x495/0xbe0 [ 9119.606080][ T73] __do_softirq+0x1b5/0x7f6 [ 9119.606080][ T73] [ 9119.607747][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9119.607747][ T73] netdev_get_by_index+0x5e/0x80 [ 9119.607747][ T73] fib6_nh_init+0x3d8/0x1580 [ 9119.607747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9119.607747][ T73] ip6_route_add+0x1c/0x140 [ 9119.607747][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9119.607747][ T73] inet6_addr_add+0x4f8/0xa40 [ 9119.607747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9119.607747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.607747][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.607747][ T73] netlink_unicast+0x449/0x710 [ 9119.607747][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.607747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.607747][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.607747][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.607747][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.607747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.607747][ T73] [ 9119.609759][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9119.609759][ T73] netdev_get_by_index+0x5e/0x80 [ 9119.609759][ T73] fib6_nh_init+0x3d8/0x1580 [ 9119.609759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9119.609759][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9119.609759][ T73] ipv6_add_addr+0x411/0x2000 [ 9119.609759][ T73] inet6_addr_add+0x30e/0xa40 [ 9119.609759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9119.609759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.609759][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.609759][ T73] netlink_unicast+0x449/0x710 [ 9119.609759][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.609759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.609759][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.609759][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.609759][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.609759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.609759][ T73] [ 9119.611889][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9119.611889][ T73] netdev_get_by_index+0x5e/0x80 [ 9119.611889][ T73] fib6_nh_init+0x3d8/0x1580 [ 9119.611889][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9119.611889][ T73] ip6_route_add+0x1c/0x140 [ 9119.611889][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9119.611889][ T73] addrconf_add_dev+0xe2/0x170 [ 9119.611889][ T73] inet6_addr_add+0x12f/0xa40 [ 9119.611889][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9119.611889][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.611889][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.611889][ T73] netlink_unicast+0x449/0x710 [ 9119.611889][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.611889][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.611889][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.611889][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.611889][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.611889][ T73] [ 9119.613868][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9119.613868][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9119.613868][ T73] ipv6_find_idev+0x102/0x170 [ 9119.613868][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9119.613868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.613868][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.613868][ T73] netlink_unicast+0x449/0x710 [ 9119.613868][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.613868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.613868][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.613868][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.613868][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.613868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.613868][ T73] [ 9119.615431][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9119.615431][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9119.615431][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9119.615431][ T73] ipv6_find_idev+0x102/0x170 [ 9119.615431][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9119.615431][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.615431][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.615431][ T73] netlink_unicast+0x449/0x710 [ 9119.615431][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.615431][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.615431][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.615431][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.615431][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.615431][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.615431][ T73] [ 9119.617142][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9119.617395][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9119.617395][ T73] dst_init+0x84/0x4a0 [ 9119.617395][ T73] dst_alloc+0x97/0x150 [ 9119.617395][ T73] ip6_dst_alloc+0x23/0x90 [ 9119.617395][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9119.617395][ T73] ip6_pol_route+0x56f/0x840 [ 9119.617395][ T73] fib6_rule_lookup+0x456/0x630 [ 9119.617395][ T73] ip6_route_input+0x59c/0xa50 [ 9119.617395][ T73] ipv6_rcv+0x397/0x810 [ 9119.617395][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9119.617395][ T73] process_backlog+0x101/0x620 [ 9119.617395][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9119.617395][ T73] net_rx_action+0x495/0xbe0 [ 9119.617395][ T73] __do_softirq+0x1b5/0x7f6 [ 9119.617395][ T73] [ 9119.619039][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9119.619039][ T73] netdev_get_by_index+0x5e/0x80 [ 9119.619039][ T73] fib6_nh_init+0x3d8/0x1580 [ 9119.619039][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9119.619039][ T73] ip6_route_add+0x1c/0x140 [ 9119.619039][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9119.619039][ T73] inet6_addr_add+0x4f8/0xa40 [ 9119.619039][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9119.619039][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.619039][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.619039][ T73] netlink_unicast+0x449/0x710 [ 9119.619039][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.619039][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.619039][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.619039][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.619039][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.619039][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.619039][ T73] [ 9119.621055][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9119.621055][ T73] netdev_get_by_index+0x5e/0x80 [ 9119.621055][ T73] fib6_nh_init+0x3d8/0x1580 [ 9119.621055][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9119.621055][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9119.621055][ T73] ipv6_add_addr+0x411/0x2000 [ 9119.621055][ T73] inet6_addr_add+0x30e/0xa40 [ 9119.621055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9119.621055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.621055][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.621055][ T73] netlink_unicast+0x449/0x710 [ 9119.621055][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.621055][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.621055][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.621055][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.621055][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.621055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.621055][ T73] [ 9119.623061][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9119.623061][ T73] netdev_get_by_index+0x5e/0x80 [ 9119.623061][ T73] fib6_nh_init+0x3d8/0x1580 [ 9119.623061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9119.623061][ T73] ip6_route_add+0x1c/0x140 [ 9119.623061][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9119.623061][ T73] addrconf_add_dev+0xe2/0x170 [ 9119.623061][ T73] inet6_addr_add+0x12f/0xa40 [ 9119.623061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9119.623061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.623061][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.623061][ T73] netlink_unicast+0x449/0x710 [ 9119.623061][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.623061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.623061][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.623061][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.623061][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.623061][ T73] [ 9119.625051][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9119.625051][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9119.625051][ T73] ipv6_find_idev+0x102/0x170 [ 9119.625051][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9119.625051][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.625051][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.625051][ T73] netlink_unicast+0x449/0x710 [ 9119.625051][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.625051][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.625051][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.625051][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.625051][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.625051][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.625051][ T73] [ 9119.626593][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9119.626593][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9119.626593][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9119.626593][ T73] ipv6_find_idev+0x102/0x170 [ 9119.626593][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9119.626593][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9119.626593][ T73] netlink_rcv_skb+0x130/0x360 [ 9119.626593][ T73] netlink_unicast+0x449/0x710 [ 9119.626593][ T73] netlink_sendmsg+0x723/0xbe0 [ 9119.626593][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9119.626593][ T73] ___sys_sendmsg+0xee/0x170 [ 9119.626593][ T73] __sys_sendmsg+0xcd/0x170 [ 9119.626593][ T73] do_syscall_64+0xc6/0x1e0 [ 9119.626593][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9119.626593][ T73] [ 9126.365728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9126.366221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9126.366221][ T1076] netdev_get_by_index+0x5e/0x80 [ 9126.366221][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9126.366221][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9126.366221][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9126.366221][ T1076] ipv6_add_addr+0x411/0x2000 [ 9126.366221][ T1076] inet6_addr_add+0x30e/0xa40 [ 9126.366221][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9126.366221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.366221][ T1076] netlink_rcv_skb+0x130/0x360 [ 9126.366221][ T1076] netlink_unicast+0x449/0x710 [ 9126.366221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9126.366221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9126.366221][ T1076] ___sys_sendmsg+0xee/0x170 [ 9126.366221][ T1076] __sys_sendmsg+0xcd/0x170 [ 9126.366221][ T1076] do_syscall_64+0xc6/0x1e0 [ 9126.366221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.366221][ T1076] [ 9126.368474][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9126.368474][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9126.368474][ T1076] ipv6_find_idev+0x102/0x170 [ 9126.368474][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9126.368474][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.368474][ T1076] netlink_rcv_skb+0x130/0x360 [ 9126.368474][ T1076] netlink_unicast+0x449/0x710 [ 9126.368474][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9126.368474][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9126.368474][ T1076] ___sys_sendmsg+0xee/0x170 [ 9126.368474][ T1076] __sys_sendmsg+0xcd/0x170 [ 9126.368474][ T1076] do_syscall_64+0xc6/0x1e0 [ 9126.368474][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.368474][ T1076] [ 9126.370207][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9126.370207][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9126.370207][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9126.370207][ T1076] ipv6_find_idev+0x102/0x170 [ 9126.370207][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9126.370207][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9126.370207][ T1076] netlink_rcv_skb+0x130/0x360 [ 9126.370207][ T1076] netlink_unicast+0x449/0x710 [ 9126.370207][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9126.370207][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9126.370207][ T1076] ___sys_sendmsg+0xee/0x170 [ 9126.370207][ T1076] __sys_sendmsg+0xcd/0x170 [ 9126.370207][ T1076] do_syscall_64+0xc6/0x1e0 [ 9126.370207][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9126.370207][ T1076] [ 9129.869646][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9129.870079][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9129.870079][ T73] dst_init+0x84/0x4a0 [ 9129.870079][ T73] dst_alloc+0x97/0x150 [ 9129.870079][ T73] ip6_dst_alloc+0x23/0x90 [ 9129.870079][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9129.870079][ T73] ip6_pol_route+0x56f/0x840 [ 9129.870079][ T73] fib6_rule_lookup+0x456/0x630 [ 9129.870079][ T73] ip6_route_input+0x59c/0xa50 [ 9129.870079][ T73] ipv6_rcv+0x397/0x810 [ 9129.870079][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9129.870079][ T73] process_backlog+0x101/0x620 [ 9129.870079][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9129.870079][ T73] net_rx_action+0x495/0xbe0 [ 9129.870079][ T73] __do_softirq+0x1b5/0x7f6 [ 9129.870079][ T73] [ 9129.871885][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9129.871885][ T73] netdev_get_by_index+0x5e/0x80 [ 9129.871885][ T73] fib6_nh_init+0x3d8/0x1580 [ 9129.871885][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9129.871885][ T73] ip6_route_add+0x1c/0x140 [ 9129.871885][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9129.871885][ T73] inet6_addr_add+0x4f8/0xa40 [ 9129.871885][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9129.871885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.871885][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.871885][ T73] netlink_unicast+0x449/0x710 [ 9129.871885][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.871885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.871885][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.871885][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.871885][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.871885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.871885][ T73] [ 9129.873895][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9129.873895][ T73] netdev_get_by_index+0x5e/0x80 [ 9129.873895][ T73] fib6_nh_init+0x3d8/0x1580 [ 9129.873895][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9129.873895][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9129.873895][ T73] ipv6_add_addr+0x411/0x2000 [ 9129.873895][ T73] inet6_addr_add+0x30e/0xa40 [ 9129.873895][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9129.873895][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.873895][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.873895][ T73] netlink_unicast+0x449/0x710 [ 9129.873895][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.873895][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.873895][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.873895][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.873895][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.873895][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.873895][ T73] [ 9129.875903][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9129.875903][ T73] netdev_get_by_index+0x5e/0x80 [ 9129.875903][ T73] fib6_nh_init+0x3d8/0x1580 [ 9129.875903][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9129.875903][ T73] ip6_route_add+0x1c/0x140 [ 9129.875903][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9129.875903][ T73] addrconf_add_dev+0xe2/0x170 [ 9129.875903][ T73] inet6_addr_add+0x12f/0xa40 [ 9129.875903][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9129.875903][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.875903][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.875903][ T73] netlink_unicast+0x449/0x710 [ 9129.875903][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.875903][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.875903][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.875903][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.875903][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.875903][ T73] [ 9129.877870][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9129.877870][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9129.877870][ T73] ipv6_find_idev+0x102/0x170 [ 9129.877870][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9129.877870][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.877870][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.877870][ T73] netlink_unicast+0x449/0x710 [ 9129.877870][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.877870][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.877870][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.877870][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.877870][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.877870][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.877870][ T73] [ 9129.879412][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9129.879412][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9129.879412][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9129.879412][ T73] ipv6_find_idev+0x102/0x170 [ 9129.879412][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9129.879412][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.879412][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.879412][ T73] netlink_unicast+0x449/0x710 [ 9129.879412][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.879412][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.879412][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.879412][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.879412][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.879412][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.879412][ T73] [ 9129.881143][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9129.881386][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9129.881386][ T73] dst_init+0x84/0x4a0 [ 9129.881386][ T73] dst_alloc+0x97/0x150 [ 9129.881386][ T73] ip6_dst_alloc+0x23/0x90 [ 9129.881386][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9129.881386][ T73] ip6_pol_route+0x56f/0x840 [ 9129.881386][ T73] fib6_rule_lookup+0x456/0x630 [ 9129.881386][ T73] ip6_route_input+0x59c/0xa50 [ 9129.881386][ T73] ipv6_rcv+0x397/0x810 [ 9129.881386][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9129.881386][ T73] process_backlog+0x101/0x620 [ 9129.881386][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9129.881386][ T73] net_rx_action+0x495/0xbe0 [ 9129.881386][ T73] __do_softirq+0x1b5/0x7f6 [ 9129.881386][ T73] [ 9129.883028][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9129.883028][ T73] netdev_get_by_index+0x5e/0x80 [ 9129.883028][ T73] fib6_nh_init+0x3d8/0x1580 [ 9129.883028][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9129.883028][ T73] ip6_route_add+0x1c/0x140 [ 9129.883028][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9129.883028][ T73] inet6_addr_add+0x4f8/0xa40 [ 9129.883028][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9129.883028][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.883028][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.883028][ T73] netlink_unicast+0x449/0x710 [ 9129.883028][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.883028][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.883028][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.883028][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.883028][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.883028][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.883028][ T73] [ 9129.885034][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9129.885034][ T73] netdev_get_by_index+0x5e/0x80 [ 9129.885034][ T73] fib6_nh_init+0x3d8/0x1580 [ 9129.885034][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9129.885034][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9129.885034][ T73] ipv6_add_addr+0x411/0x2000 [ 9129.885034][ T73] inet6_addr_add+0x30e/0xa40 [ 9129.885034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9129.885034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.885034][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.885034][ T73] netlink_unicast+0x449/0x710 [ 9129.885034][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.885034][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.885034][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.885034][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.885034][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.885034][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.885034][ T73] [ 9129.887032][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9129.887032][ T73] netdev_get_by_index+0x5e/0x80 [ 9129.887032][ T73] fib6_nh_init+0x3d8/0x1580 [ 9129.887032][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9129.887032][ T73] ip6_route_add+0x1c/0x140 [ 9129.887032][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9129.887032][ T73] addrconf_add_dev+0xe2/0x170 [ 9129.887032][ T73] inet6_addr_add+0x12f/0xa40 [ 9129.887032][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9129.887032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.887032][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.887032][ T73] netlink_unicast+0x449/0x710 [ 9129.887032][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.887032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.887032][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.887032][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.887032][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.887032][ T73] [ 9129.889011][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9129.889011][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9129.889011][ T73] ipv6_find_idev+0x102/0x170 [ 9129.889011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9129.889011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.889011][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.889011][ T73] netlink_unicast+0x449/0x710 [ 9129.889011][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.889011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.889011][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.889011][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.889011][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.889011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.889011][ T73] [ 9129.890561][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9129.890561][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9129.890561][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9129.890561][ T73] ipv6_find_idev+0x102/0x170 [ 9129.890561][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9129.890561][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9129.890561][ T73] netlink_rcv_skb+0x130/0x360 [ 9129.890561][ T73] netlink_unicast+0x449/0x710 [ 9129.890561][ T73] netlink_sendmsg+0x723/0xbe0 [ 9129.890561][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9129.890561][ T73] ___sys_sendmsg+0xee/0x170 [ 9129.890561][ T73] __sys_sendmsg+0xcd/0x170 [ 9129.890561][ T73] do_syscall_64+0xc6/0x1e0 [ 9129.890561][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9129.890561][ T73] [ 9136.837803][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9136.838304][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9136.838304][ T1076] netdev_get_by_index+0x5e/0x80 [ 9136.838304][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9136.838304][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9136.838304][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9136.838304][ T1076] ipv6_add_addr+0x411/0x2000 [ 9136.838304][ T1076] inet6_addr_add+0x30e/0xa40 [ 9136.838304][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9136.838304][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.838304][ T1076] netlink_rcv_skb+0x130/0x360 [ 9136.838304][ T1076] netlink_unicast+0x449/0x710 [ 9136.838304][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9136.838304][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9136.838304][ T1076] ___sys_sendmsg+0xee/0x170 [ 9136.838304][ T1076] __sys_sendmsg+0xcd/0x170 [ 9136.838304][ T1076] do_syscall_64+0xc6/0x1e0 [ 9136.838304][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.838304][ T1076] [ 9136.840598][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9136.840598][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9136.840598][ T1076] ipv6_find_idev+0x102/0x170 [ 9136.840598][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9136.840598][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.840598][ T1076] netlink_rcv_skb+0x130/0x360 [ 9136.840598][ T1076] netlink_unicast+0x449/0x710 [ 9136.840598][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9136.840598][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9136.840598][ T1076] ___sys_sendmsg+0xee/0x170 [ 9136.840598][ T1076] __sys_sendmsg+0xcd/0x170 [ 9136.840598][ T1076] do_syscall_64+0xc6/0x1e0 [ 9136.840598][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.840598][ T1076] [ 9136.842358][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9136.842358][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9136.842358][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9136.842358][ T1076] ipv6_find_idev+0x102/0x170 [ 9136.842358][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9136.842358][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9136.842358][ T1076] netlink_rcv_skb+0x130/0x360 [ 9136.842358][ T1076] netlink_unicast+0x449/0x710 [ 9136.842358][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9136.842358][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9136.842358][ T1076] ___sys_sendmsg+0xee/0x170 [ 9136.842358][ T1076] __sys_sendmsg+0xcd/0x170 [ 9136.842358][ T1076] do_syscall_64+0xc6/0x1e0 [ 9136.842358][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9136.842358][ T1076] [ 9139.917721][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9139.918112][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9139.918112][ T73] dst_init+0x84/0x4a0 [ 9139.918112][ T73] dst_alloc+0x97/0x150 [ 9139.918112][ T73] ip6_dst_alloc+0x23/0x90 [ 9139.918112][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9139.918112][ T73] ip6_pol_route+0x56f/0x840 [ 9139.918112][ T73] fib6_rule_lookup+0x456/0x630 [ 9139.918112][ T73] ip6_route_input+0x59c/0xa50 [ 9139.918112][ T73] ipv6_rcv+0x397/0x810 [ 9139.918112][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9139.918112][ T73] process_backlog+0x101/0x620 [ 9139.918112][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9139.918112][ T73] net_rx_action+0x495/0xbe0 [ 9139.918112][ T73] __do_softirq+0x1b5/0x7f6 [ 9139.918112][ T73] [ 9139.919784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9139.919784][ T73] netdev_get_by_index+0x5e/0x80 [ 9139.919784][ T73] fib6_nh_init+0x3d8/0x1580 [ 9139.919784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9139.919784][ T73] ip6_route_add+0x1c/0x140 [ 9139.919784][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9139.919784][ T73] inet6_addr_add+0x4f8/0xa40 [ 9139.919784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9139.919784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.919784][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.919784][ T73] netlink_unicast+0x449/0x710 [ 9139.919784][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.919784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.919784][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.919784][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.919784][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.919784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.919784][ T73] [ 9139.921812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9139.921812][ T73] netdev_get_by_index+0x5e/0x80 [ 9139.921812][ T73] fib6_nh_init+0x3d8/0x1580 [ 9139.921812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9139.921812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9139.921812][ T73] ipv6_add_addr+0x411/0x2000 [ 9139.921812][ T73] inet6_addr_add+0x30e/0xa40 [ 9139.921812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9139.921812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.921812][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.921812][ T73] netlink_unicast+0x449/0x710 [ 9139.921812][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.921812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.921812][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.921812][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.921812][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.921812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.921812][ T73] [ 9139.923831][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9139.923831][ T73] netdev_get_by_index+0x5e/0x80 [ 9139.923831][ T73] fib6_nh_init+0x3d8/0x1580 [ 9139.923831][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9139.923831][ T73] ip6_route_add+0x1c/0x140 [ 9139.923831][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9139.923831][ T73] addrconf_add_dev+0xe2/0x170 [ 9139.923831][ T73] inet6_addr_add+0x12f/0xa40 [ 9139.923831][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9139.923831][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.923831][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.923831][ T73] netlink_unicast+0x449/0x710 [ 9139.923831][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.923831][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.923831][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.923831][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.923831][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.923831][ T73] [ 9139.925812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9139.925812][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9139.925812][ T73] ipv6_find_idev+0x102/0x170 [ 9139.925812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9139.925812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.925812][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.925812][ T73] netlink_unicast+0x449/0x710 [ 9139.925812][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.925812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.925812][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.925812][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.925812][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.925812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.925812][ T73] [ 9139.927362][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9139.927362][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9139.927362][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9139.927362][ T73] ipv6_find_idev+0x102/0x170 [ 9139.927362][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9139.927362][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.927362][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.927362][ T73] netlink_unicast+0x449/0x710 [ 9139.927362][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.927362][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.927362][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.927362][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.927362][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.927362][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.927362][ T73] [ 9139.929070][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9139.929316][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9139.929316][ T73] dst_init+0x84/0x4a0 [ 9139.929316][ T73] dst_alloc+0x97/0x150 [ 9139.929316][ T73] ip6_dst_alloc+0x23/0x90 [ 9139.929316][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9139.929316][ T73] ip6_pol_route+0x56f/0x840 [ 9139.929316][ T73] fib6_rule_lookup+0x456/0x630 [ 9139.929316][ T73] ip6_route_input+0x59c/0xa50 [ 9139.929316][ T73] ipv6_rcv+0x397/0x810 [ 9139.929316][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9139.929316][ T73] process_backlog+0x101/0x620 [ 9139.929316][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9139.929316][ T73] net_rx_action+0x495/0xbe0 [ 9139.929316][ T73] __do_softirq+0x1b5/0x7f6 [ 9139.929316][ T73] [ 9139.930980][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9139.930980][ T73] netdev_get_by_index+0x5e/0x80 [ 9139.930980][ T73] fib6_nh_init+0x3d8/0x1580 [ 9139.930980][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9139.930980][ T73] ip6_route_add+0x1c/0x140 [ 9139.930980][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9139.930980][ T73] inet6_addr_add+0x4f8/0xa40 [ 9139.930980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9139.930980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.930980][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.930980][ T73] netlink_unicast+0x449/0x710 [ 9139.930980][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.930980][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.930980][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.930980][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.930980][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.930980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.930980][ T73] [ 9139.932987][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9139.932987][ T73] netdev_get_by_index+0x5e/0x80 [ 9139.932987][ T73] fib6_nh_init+0x3d8/0x1580 [ 9139.932987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9139.932987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9139.932987][ T73] ipv6_add_addr+0x411/0x2000 [ 9139.932987][ T73] inet6_addr_add+0x30e/0xa40 [ 9139.932987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9139.932987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.932987][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.932987][ T73] netlink_unicast+0x449/0x710 [ 9139.932987][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.932987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.932987][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.932987][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.932987][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.932987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.932987][ T73] [ 9139.934992][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9139.934992][ T73] netdev_get_by_index+0x5e/0x80 [ 9139.934992][ T73] fib6_nh_init+0x3d8/0x1580 [ 9139.934992][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9139.934992][ T73] ip6_route_add+0x1c/0x140 [ 9139.934992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9139.934992][ T73] addrconf_add_dev+0xe2/0x170 [ 9139.934992][ T73] inet6_addr_add+0x12f/0xa40 [ 9139.934992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9139.934992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.934992][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.934992][ T73] netlink_unicast+0x449/0x710 [ 9139.934992][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.934992][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.934992][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.934992][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.934992][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.934992][ T73] [ 9139.936966][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9139.936966][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9139.936966][ T73] ipv6_find_idev+0x102/0x170 [ 9139.936966][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9139.936966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.936966][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.936966][ T73] netlink_unicast+0x449/0x710 [ 9139.936966][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.936966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.936966][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.936966][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.936966][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.936966][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.936966][ T73] [ 9139.938512][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9139.938512][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9139.938512][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9139.938512][ T73] ipv6_find_idev+0x102/0x170 [ 9139.938512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9139.938512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9139.938512][ T73] netlink_rcv_skb+0x130/0x360 [ 9139.938512][ T73] netlink_unicast+0x449/0x710 [ 9139.938512][ T73] netlink_sendmsg+0x723/0xbe0 [ 9139.938512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9139.938512][ T73] ___sys_sendmsg+0xee/0x170 [ 9139.938512][ T73] __sys_sendmsg+0xcd/0x170 [ 9139.938512][ T73] do_syscall_64+0xc6/0x1e0 [ 9139.938512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9139.938512][ T73] [ 9147.085739][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9147.086221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9147.086221][ T1076] netdev_get_by_index+0x5e/0x80 [ 9147.086221][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9147.086221][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9147.086221][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9147.086221][ T1076] ipv6_add_addr+0x411/0x2000 [ 9147.086221][ T1076] inet6_addr_add+0x30e/0xa40 [ 9147.086221][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9147.086221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9147.086221][ T1076] netlink_rcv_skb+0x130/0x360 [ 9147.086221][ T1076] netlink_unicast+0x449/0x710 [ 9147.086221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9147.086221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9147.086221][ T1076] ___sys_sendmsg+0xee/0x170 [ 9147.086221][ T1076] __sys_sendmsg+0xcd/0x170 [ 9147.086221][ T1076] do_syscall_64+0xc6/0x1e0 [ 9147.086221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9147.086221][ T1076] [ 9147.088492][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9147.088492][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9147.088492][ T1076] ipv6_find_idev+0x102/0x170 [ 9147.088492][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9147.088492][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9147.088492][ T1076] netlink_rcv_skb+0x130/0x360 [ 9147.088492][ T1076] netlink_unicast+0x449/0x710 [ 9147.088492][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9147.088492][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9147.088492][ T1076] ___sys_sendmsg+0xee/0x170 [ 9147.088492][ T1076] __sys_sendmsg+0xcd/0x170 [ 9147.088492][ T1076] do_syscall_64+0xc6/0x1e0 [ 9147.088492][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9147.088492][ T1076] [ 9147.090223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9147.090223][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9147.090223][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9147.090223][ T1076] ipv6_find_idev+0x102/0x170 [ 9147.090223][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9147.090223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9147.090223][ T1076] netlink_rcv_skb+0x130/0x360 [ 9147.090223][ T1076] netlink_unicast+0x449/0x710 [ 9147.090223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9147.090223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9147.090223][ T1076] ___sys_sendmsg+0xee/0x170 [ 9147.090223][ T1076] __sys_sendmsg+0xcd/0x170 [ 9147.090223][ T1076] do_syscall_64+0xc6/0x1e0 [ 9147.090223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9147.090223][ T1076] [ 9150.181701][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9150.182110][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9150.182110][ T73] dst_init+0x84/0x4a0 [ 9150.182110][ T73] dst_alloc+0x97/0x150 [ 9150.182110][ T73] ip6_dst_alloc+0x23/0x90 [ 9150.182110][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9150.182110][ T73] ip6_pol_route+0x56f/0x840 [ 9150.182110][ T73] fib6_rule_lookup+0x456/0x630 [ 9150.182110][ T73] ip6_route_input+0x59c/0xa50 [ 9150.182110][ T73] ipv6_rcv+0x397/0x810 [ 9150.182110][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9150.182110][ T73] process_backlog+0x101/0x620 [ 9150.182110][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9150.182110][ T73] net_rx_action+0x495/0xbe0 [ 9150.182110][ T73] __do_softirq+0x1b5/0x7f6 [ 9150.182110][ T73] [ 9150.183782][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9150.183782][ T73] netdev_get_by_index+0x5e/0x80 [ 9150.183782][ T73] fib6_nh_init+0x3d8/0x1580 [ 9150.183782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9150.183782][ T73] ip6_route_add+0x1c/0x140 [ 9150.183782][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9150.183782][ T73] inet6_addr_add+0x4f8/0xa40 [ 9150.183782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9150.183782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.183782][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.183782][ T73] netlink_unicast+0x449/0x710 [ 9150.183782][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.183782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.183782][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.183782][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.183782][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.183782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.183782][ T73] [ 9150.185811][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9150.185811][ T73] netdev_get_by_index+0x5e/0x80 [ 9150.185811][ T73] fib6_nh_init+0x3d8/0x1580 [ 9150.185811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9150.185811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9150.185811][ T73] ipv6_add_addr+0x411/0x2000 [ 9150.185811][ T73] inet6_addr_add+0x30e/0xa40 [ 9150.185811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9150.185811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.185811][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.185811][ T73] netlink_unicast+0x449/0x710 [ 9150.185811][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.185811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.185811][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.185811][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.185811][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.185811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.185811][ T73] [ 9150.187827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9150.187827][ T73] netdev_get_by_index+0x5e/0x80 [ 9150.187827][ T73] fib6_nh_init+0x3d8/0x1580 [ 9150.187827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9150.187827][ T73] ip6_route_add+0x1c/0x140 [ 9150.187827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9150.187827][ T73] addrconf_add_dev+0xe2/0x170 [ 9150.187827][ T73] inet6_addr_add+0x12f/0xa40 [ 9150.187827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9150.187827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.187827][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.187827][ T73] netlink_unicast+0x449/0x710 [ 9150.187827][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.187827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.187827][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.187827][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.187827][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.187827][ T73] [ 9150.189804][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9150.189804][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9150.189804][ T73] ipv6_find_idev+0x102/0x170 [ 9150.189804][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9150.189804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.189804][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.189804][ T73] netlink_unicast+0x449/0x710 [ 9150.189804][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.189804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.189804][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.189804][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.189804][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.189804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.189804][ T73] [ 9150.191384][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9150.191384][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9150.191384][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9150.191384][ T73] ipv6_find_idev+0x102/0x170 [ 9150.191384][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9150.191384][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.191384][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.191384][ T73] netlink_unicast+0x449/0x710 [ 9150.191384][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.191384][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.191384][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.191384][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.191384][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.191384][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.191384][ T73] [ 9150.193097][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9150.193342][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9150.193342][ T73] dst_init+0x84/0x4a0 [ 9150.193342][ T73] dst_alloc+0x97/0x150 [ 9150.193342][ T73] ip6_dst_alloc+0x23/0x90 [ 9150.193342][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9150.193342][ T73] ip6_pol_route+0x56f/0x840 [ 9150.193342][ T73] fib6_rule_lookup+0x456/0x630 [ 9150.193342][ T73] ip6_route_input+0x59c/0xa50 [ 9150.193342][ T73] ipv6_rcv+0x397/0x810 [ 9150.193342][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9150.193342][ T73] process_backlog+0x101/0x620 [ 9150.193342][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9150.193342][ T73] net_rx_action+0x495/0xbe0 [ 9150.193342][ T73] __do_softirq+0x1b5/0x7f6 [ 9150.193342][ T73] [ 9150.194991][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9150.194991][ T73] netdev_get_by_index+0x5e/0x80 [ 9150.194991][ T73] fib6_nh_init+0x3d8/0x1580 [ 9150.194991][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9150.194991][ T73] ip6_route_add+0x1c/0x140 [ 9150.194991][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9150.194991][ T73] inet6_addr_add+0x4f8/0xa40 [ 9150.194991][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9150.194991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.194991][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.194991][ T73] netlink_unicast+0x449/0x710 [ 9150.194991][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.194991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.194991][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.194991][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.194991][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.194991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.194991][ T73] [ 9150.197000][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9150.197000][ T73] netdev_get_by_index+0x5e/0x80 [ 9150.197000][ T73] fib6_nh_init+0x3d8/0x1580 [ 9150.197000][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9150.197000][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9150.197000][ T73] ipv6_add_addr+0x411/0x2000 [ 9150.197000][ T73] inet6_addr_add+0x30e/0xa40 [ 9150.197000][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9150.197000][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.197000][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.197000][ T73] netlink_unicast+0x449/0x710 [ 9150.197000][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.197000][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.197000][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.197000][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.197000][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.197000][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.197000][ T73] [ 9150.199021][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9150.199021][ T73] netdev_get_by_index+0x5e/0x80 [ 9150.199021][ T73] fib6_nh_init+0x3d8/0x1580 [ 9150.199021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9150.199021][ T73] ip6_route_add+0x1c/0x140 [ 9150.199021][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9150.199021][ T73] addrconf_add_dev+0xe2/0x170 [ 9150.199021][ T73] inet6_addr_add+0x12f/0xa40 [ 9150.199021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9150.199021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.199021][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.199021][ T73] netlink_unicast+0x449/0x710 [ 9150.199021][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.199021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.199021][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.199021][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.199021][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.199021][ T73] [ 9150.201015][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9150.201015][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9150.201015][ T73] ipv6_find_idev+0x102/0x170 [ 9150.201015][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9150.201015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.201015][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.201015][ T73] netlink_unicast+0x449/0x710 [ 9150.201015][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.201015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.201015][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.201015][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.201015][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.201015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.201015][ T73] [ 9150.202563][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9150.202563][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9150.202563][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9150.202563][ T73] ipv6_find_idev+0x102/0x170 [ 9150.202563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9150.202563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9150.202563][ T73] netlink_rcv_skb+0x130/0x360 [ 9150.202563][ T73] netlink_unicast+0x449/0x710 [ 9150.202563][ T73] netlink_sendmsg+0x723/0xbe0 [ 9150.202563][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9150.202563][ T73] ___sys_sendmsg+0xee/0x170 [ 9150.202563][ T73] __sys_sendmsg+0xcd/0x170 [ 9150.202563][ T73] do_syscall_64+0xc6/0x1e0 [ 9150.202563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9150.202563][ T73] [ 9157.333708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9157.334194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9157.334194][ T1076] netdev_get_by_index+0x5e/0x80 [ 9157.334194][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9157.334194][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9157.334194][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9157.334194][ T1076] ipv6_add_addr+0x411/0x2000 [ 9157.334194][ T1076] inet6_addr_add+0x30e/0xa40 [ 9157.334194][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9157.334194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9157.334194][ T1076] netlink_rcv_skb+0x130/0x360 [ 9157.334194][ T1076] netlink_unicast+0x449/0x710 [ 9157.334194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9157.334194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9157.334194][ T1076] ___sys_sendmsg+0xee/0x170 [ 9157.334194][ T1076] __sys_sendmsg+0xcd/0x170 [ 9157.334194][ T1076] do_syscall_64+0xc6/0x1e0 [ 9157.334194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9157.334194][ T1076] [ 9157.336461][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9157.336461][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9157.336461][ T1076] ipv6_find_idev+0x102/0x170 [ 9157.336461][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9157.336461][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9157.336461][ T1076] netlink_rcv_skb+0x130/0x360 [ 9157.336461][ T1076] netlink_unicast+0x449/0x710 [ 9157.336461][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9157.336461][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9157.336461][ T1076] ___sys_sendmsg+0xee/0x170 [ 9157.336461][ T1076] __sys_sendmsg+0xcd/0x170 [ 9157.336461][ T1076] do_syscall_64+0xc6/0x1e0 [ 9157.336461][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9157.336461][ T1076] [ 9157.338195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9157.338195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9157.338195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9157.338195][ T1076] ipv6_find_idev+0x102/0x170 [ 9157.338195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9157.338195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9157.338195][ T1076] netlink_rcv_skb+0x130/0x360 [ 9157.338195][ T1076] netlink_unicast+0x449/0x710 [ 9157.338195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9157.338195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9157.338195][ T1076] ___sys_sendmsg+0xee/0x170 [ 9157.338195][ T1076] __sys_sendmsg+0xcd/0x170 [ 9157.338195][ T1076] do_syscall_64+0xc6/0x1e0 [ 9157.338195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9157.338195][ T1076] [ 9160.445726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9160.446121][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9160.446121][ T73] dst_init+0x84/0x4a0 [ 9160.446121][ T73] dst_alloc+0x97/0x150 [ 9160.446121][ T73] ip6_dst_alloc+0x23/0x90 [ 9160.446121][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9160.446121][ T73] ip6_pol_route+0x56f/0x840 [ 9160.446121][ T73] fib6_rule_lookup+0x456/0x630 [ 9160.446121][ T73] ip6_route_input+0x59c/0xa50 [ 9160.446121][ T73] ipv6_rcv+0x397/0x810 [ 9160.446121][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9160.446121][ T73] process_backlog+0x101/0x620 [ 9160.446121][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9160.446121][ T73] net_rx_action+0x495/0xbe0 [ 9160.446121][ T73] __do_softirq+0x1b5/0x7f6 [ 9160.446121][ T73] [ 9160.447798][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9160.447798][ T73] netdev_get_by_index+0x5e/0x80 [ 9160.447798][ T73] fib6_nh_init+0x3d8/0x1580 [ 9160.447798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9160.447798][ T73] ip6_route_add+0x1c/0x140 [ 9160.447798][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9160.447798][ T73] inet6_addr_add+0x4f8/0xa40 [ 9160.447798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9160.447798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.447798][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.447798][ T73] netlink_unicast+0x449/0x710 [ 9160.447798][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.447798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.447798][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.447798][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.447798][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.447798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.447798][ T73] [ 9160.449813][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9160.449813][ T73] netdev_get_by_index+0x5e/0x80 [ 9160.449813][ T73] fib6_nh_init+0x3d8/0x1580 [ 9160.449813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9160.449813][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9160.449813][ T73] ipv6_add_addr+0x411/0x2000 [ 9160.449813][ T73] inet6_addr_add+0x30e/0xa40 [ 9160.449813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9160.449813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.449813][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.449813][ T73] netlink_unicast+0x449/0x710 [ 9160.449813][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.449813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.449813][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.449813][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.449813][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.449813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.449813][ T73] [ 9160.452368][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9160.452368][ T73] netdev_get_by_index+0x5e/0x80 [ 9160.452368][ T73] fib6_nh_init+0x3d8/0x1580 [ 9160.452368][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9160.452368][ T73] ip6_route_add+0x1c/0x140 [ 9160.452368][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9160.452368][ T73] addrconf_add_dev+0xe2/0x170 [ 9160.452368][ T73] inet6_addr_add+0x12f/0xa40 [ 9160.452368][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9160.452368][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.452368][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.452368][ T73] netlink_unicast+0x449/0x710 [ 9160.452368][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.452368][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.452368][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.452368][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.452368][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.452368][ T73] [ 9160.454350][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9160.454350][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9160.454350][ T73] ipv6_find_idev+0x102/0x170 [ 9160.454350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9160.454350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.454350][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.454350][ T73] netlink_unicast+0x449/0x710 [ 9160.454350][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.454350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.454350][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.454350][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.454350][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.454350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.454350][ T73] [ 9160.455905][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9160.455905][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9160.455905][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9160.455905][ T73] ipv6_find_idev+0x102/0x170 [ 9160.455905][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9160.455905][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.455905][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.455905][ T73] netlink_unicast+0x449/0x710 [ 9160.455905][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.455905][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.455905][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.455905][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.455905][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.455905][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.455905][ T73] [ 9160.457996][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9160.458245][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9160.458245][ T73] dst_init+0x84/0x4a0 [ 9160.458245][ T73] dst_alloc+0x97/0x150 [ 9160.458245][ T73] ip6_dst_alloc+0x23/0x90 [ 9160.458245][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9160.458245][ T73] ip6_pol_route+0x56f/0x840 [ 9160.458245][ T73] fib6_rule_lookup+0x456/0x630 [ 9160.458245][ T73] ip6_route_input+0x59c/0xa50 [ 9160.458245][ T73] ipv6_rcv+0x397/0x810 [ 9160.458245][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9160.458245][ T73] process_backlog+0x101/0x620 [ 9160.458245][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9160.458245][ T73] net_rx_action+0x495/0xbe0 [ 9160.458245][ T73] __do_softirq+0x1b5/0x7f6 [ 9160.458245][ T73] [ 9160.459896][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9160.459896][ T73] netdev_get_by_index+0x5e/0x80 [ 9160.459896][ T73] fib6_nh_init+0x3d8/0x1580 [ 9160.459896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9160.459896][ T73] ip6_route_add+0x1c/0x140 [ 9160.459896][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9160.459896][ T73] inet6_addr_add+0x4f8/0xa40 [ 9160.459896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9160.459896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.459896][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.459896][ T73] netlink_unicast+0x449/0x710 [ 9160.459896][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.459896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.459896][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.459896][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.459896][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.459896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.459896][ T73] [ 9160.461914][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9160.461914][ T73] netdev_get_by_index+0x5e/0x80 [ 9160.461914][ T73] fib6_nh_init+0x3d8/0x1580 [ 9160.461914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9160.461914][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9160.461914][ T73] ipv6_add_addr+0x411/0x2000 [ 9160.461914][ T73] inet6_addr_add+0x30e/0xa40 [ 9160.461914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9160.461914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.461914][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.461914][ T73] netlink_unicast+0x449/0x710 [ 9160.461914][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.461914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.461914][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.461914][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.461914][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.461914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.461914][ T73] [ 9160.463928][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9160.463928][ T73] netdev_get_by_index+0x5e/0x80 [ 9160.463928][ T73] fib6_nh_init+0x3d8/0x1580 [ 9160.463928][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9160.463928][ T73] ip6_route_add+0x1c/0x140 [ 9160.463928][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9160.463928][ T73] addrconf_add_dev+0xe2/0x170 [ 9160.463928][ T73] inet6_addr_add+0x12f/0xa40 [ 9160.463928][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9160.463928][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.463928][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.463928][ T73] netlink_unicast+0x449/0x710 [ 9160.463928][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.463928][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.463928][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.463928][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.463928][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.463928][ T73] [ 9160.465902][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9160.465902][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9160.465902][ T73] ipv6_find_idev+0x102/0x170 [ 9160.465902][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9160.465902][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.465902][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.465902][ T73] netlink_unicast+0x449/0x710 [ 9160.465902][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.465902][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.465902][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.465902][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.465902][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.465902][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.465902][ T73] [ 9160.467450][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9160.467450][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9160.467450][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9160.467450][ T73] ipv6_find_idev+0x102/0x170 [ 9160.467450][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9160.467450][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9160.467450][ T73] netlink_rcv_skb+0x130/0x360 [ 9160.467450][ T73] netlink_unicast+0x449/0x710 [ 9160.467450][ T73] netlink_sendmsg+0x723/0xbe0 [ 9160.467450][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9160.467450][ T73] ___sys_sendmsg+0xee/0x170 [ 9160.467450][ T73] __sys_sendmsg+0xcd/0x170 [ 9160.467450][ T73] do_syscall_64+0xc6/0x1e0 [ 9160.467450][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9160.467450][ T73] [ 9167.581722][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9167.582207][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9167.582207][ T1076] netdev_get_by_index+0x5e/0x80 [ 9167.582207][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9167.582207][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9167.582207][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9167.582207][ T1076] ipv6_add_addr+0x411/0x2000 [ 9167.582207][ T1076] inet6_addr_add+0x30e/0xa40 [ 9167.582207][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9167.582207][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.582207][ T1076] netlink_rcv_skb+0x130/0x360 [ 9167.582207][ T1076] netlink_unicast+0x449/0x710 [ 9167.582207][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9167.582207][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9167.582207][ T1076] ___sys_sendmsg+0xee/0x170 [ 9167.582207][ T1076] __sys_sendmsg+0xcd/0x170 [ 9167.582207][ T1076] do_syscall_64+0xc6/0x1e0 [ 9167.582207][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.582207][ T1076] [ 9167.584469][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9167.584469][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9167.584469][ T1076] ipv6_find_idev+0x102/0x170 [ 9167.584469][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9167.584469][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.584469][ T1076] netlink_rcv_skb+0x130/0x360 [ 9167.584469][ T1076] netlink_unicast+0x449/0x710 [ 9167.584469][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9167.584469][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9167.584469][ T1076] ___sys_sendmsg+0xee/0x170 [ 9167.584469][ T1076] __sys_sendmsg+0xcd/0x170 [ 9167.584469][ T1076] do_syscall_64+0xc6/0x1e0 [ 9167.584469][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.584469][ T1076] [ 9167.586205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9167.586205][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9167.586205][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9167.586205][ T1076] ipv6_find_idev+0x102/0x170 [ 9167.586205][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9167.586205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9167.586205][ T1076] netlink_rcv_skb+0x130/0x360 [ 9167.586205][ T1076] netlink_unicast+0x449/0x710 [ 9167.586205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9167.586205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9167.586205][ T1076] ___sys_sendmsg+0xee/0x170 [ 9167.586205][ T1076] __sys_sendmsg+0xcd/0x170 [ 9167.586205][ T1076] do_syscall_64+0xc6/0x1e0 [ 9167.586205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9167.586205][ T1076] [ 9170.709698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9170.710103][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9170.710103][ T73] dst_init+0x84/0x4a0 [ 9170.710103][ T73] dst_alloc+0x97/0x150 [ 9170.710103][ T73] ip6_dst_alloc+0x23/0x90 [ 9170.710103][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9170.710103][ T73] ip6_pol_route+0x56f/0x840 [ 9170.710103][ T73] fib6_rule_lookup+0x456/0x630 [ 9170.710103][ T73] ip6_route_input+0x59c/0xa50 [ 9170.710103][ T73] ipv6_rcv+0x397/0x810 [ 9170.710103][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9170.710103][ T73] process_backlog+0x101/0x620 [ 9170.710103][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9170.710103][ T73] net_rx_action+0x495/0xbe0 [ 9170.710103][ T73] __do_softirq+0x1b5/0x7f6 [ 9170.710103][ T73] [ 9170.711804][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9170.711804][ T73] netdev_get_by_index+0x5e/0x80 [ 9170.711804][ T73] fib6_nh_init+0x3d8/0x1580 [ 9170.711804][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9170.711804][ T73] ip6_route_add+0x1c/0x140 [ 9170.711804][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9170.711804][ T73] inet6_addr_add+0x4f8/0xa40 [ 9170.711804][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9170.711804][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.711804][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.711804][ T73] netlink_unicast+0x449/0x710 [ 9170.711804][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.711804][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.711804][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.711804][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.711804][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.711804][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.711804][ T73] [ 9170.713839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9170.713839][ T73] netdev_get_by_index+0x5e/0x80 [ 9170.713839][ T73] fib6_nh_init+0x3d8/0x1580 [ 9170.713839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9170.713839][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9170.713839][ T73] ipv6_add_addr+0x411/0x2000 [ 9170.713839][ T73] inet6_addr_add+0x30e/0xa40 [ 9170.713839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9170.713839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.713839][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.713839][ T73] netlink_unicast+0x449/0x710 [ 9170.713839][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.713839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.713839][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.713839][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.713839][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.713839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.713839][ T73] [ 9170.715849][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9170.715849][ T73] netdev_get_by_index+0x5e/0x80 [ 9170.715849][ T73] fib6_nh_init+0x3d8/0x1580 [ 9170.715849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9170.715849][ T73] ip6_route_add+0x1c/0x140 [ 9170.715849][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9170.715849][ T73] addrconf_add_dev+0xe2/0x170 [ 9170.715849][ T73] inet6_addr_add+0x12f/0xa40 [ 9170.715849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9170.715849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.715849][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.715849][ T73] netlink_unicast+0x449/0x710 [ 9170.715849][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.715849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.715849][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.715849][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.715849][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.715849][ T73] [ 9170.717829][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9170.717829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9170.717829][ T73] ipv6_find_idev+0x102/0x170 [ 9170.717829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9170.717829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.717829][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.717829][ T73] netlink_unicast+0x449/0x710 [ 9170.717829][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.717829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.717829][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.717829][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.717829][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.717829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.717829][ T73] [ 9170.719383][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9170.719383][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9170.719383][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9170.719383][ T73] ipv6_find_idev+0x102/0x170 [ 9170.719383][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9170.719383][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.719383][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.719383][ T73] netlink_unicast+0x449/0x710 [ 9170.719383][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.719383][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.719383][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.719383][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.719383][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.719383][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.719383][ T73] [ 9170.721113][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9170.721357][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9170.721357][ T73] dst_init+0x84/0x4a0 [ 9170.721357][ T73] dst_alloc+0x97/0x150 [ 9170.721357][ T73] ip6_dst_alloc+0x23/0x90 [ 9170.721357][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9170.721357][ T73] ip6_pol_route+0x56f/0x840 [ 9170.721357][ T73] fib6_rule_lookup+0x456/0x630 [ 9170.721357][ T73] ip6_route_input+0x59c/0xa50 [ 9170.721357][ T73] ipv6_rcv+0x397/0x810 [ 9170.721357][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9170.721357][ T73] process_backlog+0x101/0x620 [ 9170.721357][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9170.721357][ T73] net_rx_action+0x495/0xbe0 [ 9170.721357][ T73] __do_softirq+0x1b5/0x7f6 [ 9170.721357][ T73] [ 9170.723021][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9170.723021][ T73] netdev_get_by_index+0x5e/0x80 [ 9170.723021][ T73] fib6_nh_init+0x3d8/0x1580 [ 9170.723021][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9170.723021][ T73] ip6_route_add+0x1c/0x140 [ 9170.723021][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9170.723021][ T73] inet6_addr_add+0x4f8/0xa40 [ 9170.723021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9170.723021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.723021][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.723021][ T73] netlink_unicast+0x449/0x710 [ 9170.723021][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.723021][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.723021][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.723021][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.723021][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.723021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.723021][ T73] [ 9170.725402][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9170.725402][ T73] netdev_get_by_index+0x5e/0x80 [ 9170.725402][ T73] fib6_nh_init+0x3d8/0x1580 [ 9170.725402][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9170.725402][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9170.725402][ T73] ipv6_add_addr+0x411/0x2000 [ 9170.725402][ T73] inet6_addr_add+0x30e/0xa40 [ 9170.725402][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9170.725402][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.725402][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.725402][ T73] netlink_unicast+0x449/0x710 [ 9170.725402][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.725402][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.725402][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.725402][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.725402][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.725402][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.725402][ T73] [ 9170.727418][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9170.727418][ T73] netdev_get_by_index+0x5e/0x80 [ 9170.727418][ T73] fib6_nh_init+0x3d8/0x1580 [ 9170.727418][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9170.727418][ T73] ip6_route_add+0x1c/0x140 [ 9170.727418][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9170.727418][ T73] addrconf_add_dev+0xe2/0x170 [ 9170.727418][ T73] inet6_addr_add+0x12f/0xa40 [ 9170.727418][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9170.727418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.727418][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.727418][ T73] netlink_unicast+0x449/0x710 [ 9170.727418][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.727418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.727418][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.727418][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.727418][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.727418][ T73] [ 9170.729404][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9170.729404][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9170.729404][ T73] ipv6_find_idev+0x102/0x170 [ 9170.729404][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9170.729404][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.729404][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.729404][ T73] netlink_unicast+0x449/0x710 [ 9170.729404][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.729404][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.729404][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.729404][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.729404][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.729404][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.729404][ T73] [ 9170.730976][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9170.730976][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9170.730976][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9170.730976][ T73] ipv6_find_idev+0x102/0x170 [ 9170.730976][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9170.730976][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9170.730976][ T73] netlink_rcv_skb+0x130/0x360 [ 9170.730976][ T73] netlink_unicast+0x449/0x710 [ 9170.730976][ T73] netlink_sendmsg+0x723/0xbe0 [ 9170.730976][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9170.730976][ T73] ___sys_sendmsg+0xee/0x170 [ 9170.730976][ T73] __sys_sendmsg+0xcd/0x170 [ 9170.730976][ T73] do_syscall_64+0xc6/0x1e0 [ 9170.730976][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9170.730976][ T73] [ 9177.829703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9177.830135][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9177.830135][ T1076] netdev_get_by_index+0x5e/0x80 [ 9177.830135][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9177.830135][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9177.830135][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9177.830135][ T1076] ipv6_add_addr+0x411/0x2000 [ 9177.830135][ T1076] inet6_addr_add+0x30e/0xa40 [ 9177.830135][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9177.830135][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.830135][ T1076] netlink_rcv_skb+0x130/0x360 [ 9177.830135][ T1076] netlink_unicast+0x449/0x710 [ 9177.830135][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9177.830135][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9177.830135][ T1076] ___sys_sendmsg+0xee/0x170 [ 9177.830135][ T1076] __sys_sendmsg+0xcd/0x170 [ 9177.830135][ T1076] do_syscall_64+0xc6/0x1e0 [ 9177.830135][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.830135][ T1076] [ 9177.832410][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9177.832410][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9177.832410][ T1076] ipv6_find_idev+0x102/0x170 [ 9177.832410][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9177.832410][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.832410][ T1076] netlink_rcv_skb+0x130/0x360 [ 9177.832410][ T1076] netlink_unicast+0x449/0x710 [ 9177.832410][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9177.832410][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9177.832410][ T1076] ___sys_sendmsg+0xee/0x170 [ 9177.832410][ T1076] __sys_sendmsg+0xcd/0x170 [ 9177.832410][ T1076] do_syscall_64+0xc6/0x1e0 [ 9177.832410][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.832410][ T1076] [ 9177.834140][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9177.834140][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9177.834140][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9177.834140][ T1076] ipv6_find_idev+0x102/0x170 [ 9177.834140][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9177.834140][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9177.834140][ T1076] netlink_rcv_skb+0x130/0x360 [ 9177.834140][ T1076] netlink_unicast+0x449/0x710 [ 9177.834140][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9177.834140][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9177.834140][ T1076] ___sys_sendmsg+0xee/0x170 [ 9177.834140][ T1076] __sys_sendmsg+0xcd/0x170 [ 9177.834140][ T1076] do_syscall_64+0xc6/0x1e0 [ 9177.834140][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9177.834140][ T1076] [ 9180.869708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9180.870113][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9180.870113][ T73] dst_init+0x84/0x4a0 [ 9180.870113][ T73] dst_alloc+0x97/0x150 [ 9180.870113][ T73] ip6_dst_alloc+0x23/0x90 [ 9180.870113][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9180.870113][ T73] ip6_pol_route+0x56f/0x840 [ 9180.870113][ T73] fib6_rule_lookup+0x456/0x630 [ 9180.870113][ T73] ip6_route_input+0x59c/0xa50 [ 9180.870113][ T73] ipv6_rcv+0x397/0x810 [ 9180.870113][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9180.870113][ T73] process_backlog+0x101/0x620 [ 9180.870113][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9180.870113][ T73] net_rx_action+0x495/0xbe0 [ 9180.870113][ T73] __do_softirq+0x1b5/0x7f6 [ 9180.870113][ T73] [ 9180.871803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9180.871803][ T73] netdev_get_by_index+0x5e/0x80 [ 9180.871803][ T73] fib6_nh_init+0x3d8/0x1580 [ 9180.871803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9180.871803][ T73] ip6_route_add+0x1c/0x140 [ 9180.871803][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9180.871803][ T73] inet6_addr_add+0x4f8/0xa40 [ 9180.871803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9180.871803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.871803][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.871803][ T73] netlink_unicast+0x449/0x710 [ 9180.871803][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.871803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.871803][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.871803][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.871803][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.871803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.871803][ T73] [ 9180.873824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9180.873824][ T73] netdev_get_by_index+0x5e/0x80 [ 9180.873824][ T73] fib6_nh_init+0x3d8/0x1580 [ 9180.873824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9180.873824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9180.873824][ T73] ipv6_add_addr+0x411/0x2000 [ 9180.873824][ T73] inet6_addr_add+0x30e/0xa40 [ 9180.873824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9180.873824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.873824][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.873824][ T73] netlink_unicast+0x449/0x710 [ 9180.873824][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.873824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.873824][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.873824][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.873824][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.873824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.873824][ T73] [ 9180.875838][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9180.875838][ T73] netdev_get_by_index+0x5e/0x80 [ 9180.875838][ T73] fib6_nh_init+0x3d8/0x1580 [ 9180.875838][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9180.875838][ T73] ip6_route_add+0x1c/0x140 [ 9180.875838][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9180.875838][ T73] addrconf_add_dev+0xe2/0x170 [ 9180.875838][ T73] inet6_addr_add+0x12f/0xa40 [ 9180.875838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9180.875838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.875838][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.875838][ T73] netlink_unicast+0x449/0x710 [ 9180.875838][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.875838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.875838][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.875838][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.875838][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.875838][ T73] [ 9180.877922][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9180.877922][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9180.877922][ T73] ipv6_find_idev+0x102/0x170 [ 9180.877922][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9180.877922][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.877922][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.877922][ T73] netlink_unicast+0x449/0x710 [ 9180.877922][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.877922][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.877922][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.877922][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.877922][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.877922][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.877922][ T73] [ 9180.879468][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9180.879468][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9180.879468][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9180.879468][ T73] ipv6_find_idev+0x102/0x170 [ 9180.879468][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9180.879468][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.879468][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.879468][ T73] netlink_unicast+0x449/0x710 [ 9180.879468][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.879468][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.879468][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.879468][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.879468][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.879468][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.879468][ T73] [ 9180.881211][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9180.881463][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9180.881463][ T73] dst_init+0x84/0x4a0 [ 9180.881463][ T73] dst_alloc+0x97/0x150 [ 9180.881463][ T73] ip6_dst_alloc+0x23/0x90 [ 9180.881463][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9180.881463][ T73] ip6_pol_route+0x56f/0x840 [ 9180.881463][ T73] fib6_rule_lookup+0x456/0x630 [ 9180.881463][ T73] ip6_route_input+0x59c/0xa50 [ 9180.881463][ T73] ipv6_rcv+0x397/0x810 [ 9180.881463][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9180.881463][ T73] process_backlog+0x101/0x620 [ 9180.881463][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9180.881463][ T73] net_rx_action+0x495/0xbe0 [ 9180.881463][ T73] __do_softirq+0x1b5/0x7f6 [ 9180.881463][ T73] [ 9180.883118][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9180.883118][ T73] netdev_get_by_index+0x5e/0x80 [ 9180.883118][ T73] fib6_nh_init+0x3d8/0x1580 [ 9180.883118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9180.883118][ T73] ip6_route_add+0x1c/0x140 [ 9180.883118][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9180.883118][ T73] inet6_addr_add+0x4f8/0xa40 [ 9180.883118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9180.883118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.883118][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.883118][ T73] netlink_unicast+0x449/0x710 [ 9180.883118][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.883118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.883118][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.883118][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.883118][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.883118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.883118][ T73] [ 9180.885133][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9180.885133][ T73] netdev_get_by_index+0x5e/0x80 [ 9180.885133][ T73] fib6_nh_init+0x3d8/0x1580 [ 9180.885133][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9180.885133][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9180.885133][ T73] ipv6_add_addr+0x411/0x2000 [ 9180.885133][ T73] inet6_addr_add+0x30e/0xa40 [ 9180.885133][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9180.885133][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.885133][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.885133][ T73] netlink_unicast+0x449/0x710 [ 9180.885133][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.885133][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.885133][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.885133][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.885133][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.885133][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.885133][ T73] [ 9180.887141][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9180.887141][ T73] netdev_get_by_index+0x5e/0x80 [ 9180.887141][ T73] fib6_nh_init+0x3d8/0x1580 [ 9180.887141][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9180.887141][ T73] ip6_route_add+0x1c/0x140 [ 9180.887141][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9180.887141][ T73] addrconf_add_dev+0xe2/0x170 [ 9180.887141][ T73] inet6_addr_add+0x12f/0xa40 [ 9180.887141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9180.887141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.887141][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.887141][ T73] netlink_unicast+0x449/0x710 [ 9180.887141][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.887141][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.887141][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.887141][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.887141][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.887141][ T73] [ 9180.889115][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9180.889115][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9180.889115][ T73] ipv6_find_idev+0x102/0x170 [ 9180.889115][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9180.889115][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.889115][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.889115][ T73] netlink_unicast+0x449/0x710 [ 9180.889115][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.889115][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.889115][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.889115][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.889115][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.889115][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.889115][ T73] [ 9180.890658][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9180.890658][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9180.890658][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9180.890658][ T73] ipv6_find_idev+0x102/0x170 [ 9180.890658][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9180.890658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9180.890658][ T73] netlink_rcv_skb+0x130/0x360 [ 9180.890658][ T73] netlink_unicast+0x449/0x710 [ 9180.890658][ T73] netlink_sendmsg+0x723/0xbe0 [ 9180.890658][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9180.890658][ T73] ___sys_sendmsg+0xee/0x170 [ 9180.890658][ T73] __sys_sendmsg+0xcd/0x170 [ 9180.890658][ T73] do_syscall_64+0xc6/0x1e0 [ 9180.890658][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9180.890658][ T73] [ 9188.077730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9188.078213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9188.078213][ T1076] netdev_get_by_index+0x5e/0x80 [ 9188.078213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9188.078213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9188.078213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9188.078213][ T1076] ipv6_add_addr+0x411/0x2000 [ 9188.078213][ T1076] inet6_addr_add+0x30e/0xa40 [ 9188.078213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9188.078213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9188.078213][ T1076] netlink_rcv_skb+0x130/0x360 [ 9188.078213][ T1076] netlink_unicast+0x449/0x710 [ 9188.078213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9188.078213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9188.078213][ T1076] ___sys_sendmsg+0xee/0x170 [ 9188.078213][ T1076] __sys_sendmsg+0xcd/0x170 [ 9188.078213][ T1076] do_syscall_64+0xc6/0x1e0 [ 9188.078213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9188.078213][ T1076] [ 9188.080476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9188.080476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9188.080476][ T1076] ipv6_find_idev+0x102/0x170 [ 9188.080476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9188.080476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9188.080476][ T1076] netlink_rcv_skb+0x130/0x360 [ 9188.080476][ T1076] netlink_unicast+0x449/0x710 [ 9188.080476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9188.080476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9188.080476][ T1076] ___sys_sendmsg+0xee/0x170 [ 9188.080476][ T1076] __sys_sendmsg+0xcd/0x170 [ 9188.080476][ T1076] do_syscall_64+0xc6/0x1e0 [ 9188.080476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9188.080476][ T1076] [ 9188.082214][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9188.082214][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9188.082214][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9188.082214][ T1076] ipv6_find_idev+0x102/0x170 [ 9188.082214][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9188.082214][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9188.082214][ T1076] netlink_rcv_skb+0x130/0x360 [ 9188.082214][ T1076] netlink_unicast+0x449/0x710 [ 9188.082214][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9188.082214][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9188.082214][ T1076] ___sys_sendmsg+0xee/0x170 [ 9188.082214][ T1076] __sys_sendmsg+0xcd/0x170 [ 9188.082214][ T1076] do_syscall_64+0xc6/0x1e0 [ 9188.082214][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9188.082214][ T1076] [ 9191.141736][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9191.142126][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9191.142126][ T73] dst_init+0x84/0x4a0 [ 9191.142126][ T73] dst_alloc+0x97/0x150 [ 9191.142126][ T73] ip6_dst_alloc+0x23/0x90 [ 9191.142126][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9191.142126][ T73] ip6_pol_route+0x56f/0x840 [ 9191.142126][ T73] fib6_rule_lookup+0x456/0x630 [ 9191.142126][ T73] ip6_route_input+0x59c/0xa50 [ 9191.142126][ T73] ipv6_rcv+0x397/0x810 [ 9191.142126][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9191.142126][ T73] process_backlog+0x101/0x620 [ 9191.142126][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9191.142126][ T73] net_rx_action+0x495/0xbe0 [ 9191.142126][ T73] __do_softirq+0x1b5/0x7f6 [ 9191.142126][ T73] [ 9191.143774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9191.143774][ T73] netdev_get_by_index+0x5e/0x80 [ 9191.143774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9191.143774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9191.143774][ T73] ip6_route_add+0x1c/0x140 [ 9191.143774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9191.143774][ T73] inet6_addr_add+0x4f8/0xa40 [ 9191.143774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9191.143774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.143774][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.143774][ T73] netlink_unicast+0x449/0x710 [ 9191.143774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.143774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.143774][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.143774][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.143774][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.143774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.143774][ T73] [ 9191.145754][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9191.145754][ T73] netdev_get_by_index+0x5e/0x80 [ 9191.145754][ T73] fib6_nh_init+0x3d8/0x1580 [ 9191.145754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9191.145754][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9191.145754][ T73] ipv6_add_addr+0x411/0x2000 [ 9191.145754][ T73] inet6_addr_add+0x30e/0xa40 [ 9191.145754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9191.145754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.145754][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.145754][ T73] netlink_unicast+0x449/0x710 [ 9191.145754][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.145754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.145754][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.145754][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.145754][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.145754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.145754][ T73] [ 9191.147736][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9191.147736][ T73] netdev_get_by_index+0x5e/0x80 [ 9191.147736][ T73] fib6_nh_init+0x3d8/0x1580 [ 9191.147736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9191.147736][ T73] ip6_route_add+0x1c/0x140 [ 9191.147736][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9191.147736][ T73] addrconf_add_dev+0xe2/0x170 [ 9191.147736][ T73] inet6_addr_add+0x12f/0xa40 [ 9191.147736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9191.147736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.147736][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.147736][ T73] netlink_unicast+0x449/0x710 [ 9191.147736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.147736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.147736][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.147736][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.147736][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.147736][ T73] [ 9191.149679][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9191.149679][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9191.149679][ T73] ipv6_find_idev+0x102/0x170 [ 9191.149679][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9191.149679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.149679][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.149679][ T73] netlink_unicast+0x449/0x710 [ 9191.149679][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.149679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.149679][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.149679][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.149679][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.149679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.149679][ T73] [ 9191.151214][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9191.151214][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9191.151214][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9191.151214][ T73] ipv6_find_idev+0x102/0x170 [ 9191.151214][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9191.151214][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.151214][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.151214][ T73] netlink_unicast+0x449/0x710 [ 9191.151214][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.151214][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.151214][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.151214][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.151214][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.151214][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.151214][ T73] [ 9191.152885][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9191.153129][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9191.153129][ T73] dst_init+0x84/0x4a0 [ 9191.153129][ T73] dst_alloc+0x97/0x150 [ 9191.153129][ T73] ip6_dst_alloc+0x23/0x90 [ 9191.153129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9191.153129][ T73] ip6_pol_route+0x56f/0x840 [ 9191.153129][ T73] fib6_rule_lookup+0x456/0x630 [ 9191.153129][ T73] ip6_route_input+0x59c/0xa50 [ 9191.153129][ T73] ipv6_rcv+0x397/0x810 [ 9191.153129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9191.153129][ T73] process_backlog+0x101/0x620 [ 9191.153129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9191.153129][ T73] net_rx_action+0x495/0xbe0 [ 9191.153129][ T73] __do_softirq+0x1b5/0x7f6 [ 9191.153129][ T73] [ 9191.154748][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9191.154748][ T73] netdev_get_by_index+0x5e/0x80 [ 9191.154748][ T73] fib6_nh_init+0x3d8/0x1580 [ 9191.154748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9191.154748][ T73] ip6_route_add+0x1c/0x140 [ 9191.154748][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9191.154748][ T73] inet6_addr_add+0x4f8/0xa40 [ 9191.154748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9191.154748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.154748][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.154748][ T73] netlink_unicast+0x449/0x710 [ 9191.154748][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.154748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.154748][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.154748][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.154748][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.154748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.154748][ T73] [ 9191.156735][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9191.156735][ T73] netdev_get_by_index+0x5e/0x80 [ 9191.156735][ T73] fib6_nh_init+0x3d8/0x1580 [ 9191.156735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9191.156735][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9191.156735][ T73] ipv6_add_addr+0x411/0x2000 [ 9191.156735][ T73] inet6_addr_add+0x30e/0xa40 [ 9191.156735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9191.156735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.156735][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.156735][ T73] netlink_unicast+0x449/0x710 [ 9191.156735][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.156735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.156735][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.156735][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.156735][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.156735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.156735][ T73] [ 9191.158715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9191.158715][ T73] netdev_get_by_index+0x5e/0x80 [ 9191.158715][ T73] fib6_nh_init+0x3d8/0x1580 [ 9191.158715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9191.158715][ T73] ip6_route_add+0x1c/0x140 [ 9191.158715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9191.158715][ T73] addrconf_add_dev+0xe2/0x170 [ 9191.158715][ T73] inet6_addr_add+0x12f/0xa40 [ 9191.158715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9191.158715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.158715][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.158715][ T73] netlink_unicast+0x449/0x710 [ 9191.158715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.158715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.158715][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.158715][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.158715][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.158715][ T73] [ 9191.160667][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9191.160667][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9191.160667][ T73] ipv6_find_idev+0x102/0x170 [ 9191.160667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9191.160667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.160667][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.160667][ T73] netlink_unicast+0x449/0x710 [ 9191.160667][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.160667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.160667][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.160667][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.160667][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.160667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.160667][ T73] [ 9191.162204][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9191.162204][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9191.162204][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9191.162204][ T73] ipv6_find_idev+0x102/0x170 [ 9191.162204][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9191.162204][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9191.162204][ T73] netlink_rcv_skb+0x130/0x360 [ 9191.162204][ T73] netlink_unicast+0x449/0x710 [ 9191.162204][ T73] netlink_sendmsg+0x723/0xbe0 [ 9191.162204][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9191.162204][ T73] ___sys_sendmsg+0xee/0x170 [ 9191.162204][ T73] __sys_sendmsg+0xcd/0x170 [ 9191.162204][ T73] do_syscall_64+0xc6/0x1e0 [ 9191.162204][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9191.162204][ T73] [ 9198.093701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9198.094188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9198.094188][ T1076] netdev_get_by_index+0x5e/0x80 [ 9198.094188][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9198.094188][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9198.094188][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9198.094188][ T1076] ipv6_add_addr+0x411/0x2000 [ 9198.094188][ T1076] inet6_addr_add+0x30e/0xa40 [ 9198.094188][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9198.094188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9198.094188][ T1076] netlink_rcv_skb+0x130/0x360 [ 9198.094188][ T1076] netlink_unicast+0x449/0x710 [ 9198.094188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9198.094188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9198.094188][ T1076] ___sys_sendmsg+0xee/0x170 [ 9198.094188][ T1076] __sys_sendmsg+0xcd/0x170 [ 9198.094188][ T1076] do_syscall_64+0xc6/0x1e0 [ 9198.094188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9198.094188][ T1076] [ 9198.096459][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9198.096459][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9198.096459][ T1076] ipv6_find_idev+0x102/0x170 [ 9198.096459][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9198.096459][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9198.096459][ T1076] netlink_rcv_skb+0x130/0x360 [ 9198.096459][ T1076] netlink_unicast+0x449/0x710 [ 9198.096459][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9198.096459][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9198.096459][ T1076] ___sys_sendmsg+0xee/0x170 [ 9198.096459][ T1076] __sys_sendmsg+0xcd/0x170 [ 9198.096459][ T1076] do_syscall_64+0xc6/0x1e0 [ 9198.096459][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9198.096459][ T1076] [ 9198.098185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9198.098185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9198.098185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9198.098185][ T1076] ipv6_find_idev+0x102/0x170 [ 9198.098185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9198.098185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9198.098185][ T1076] netlink_rcv_skb+0x130/0x360 [ 9198.098185][ T1076] netlink_unicast+0x449/0x710 [ 9198.098185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9198.098185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9198.098185][ T1076] ___sys_sendmsg+0xee/0x170 [ 9198.098185][ T1076] __sys_sendmsg+0xcd/0x170 [ 9198.098185][ T1076] do_syscall_64+0xc6/0x1e0 [ 9198.098185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9198.098185][ T1076] [ 9201.165698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9201.166096][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9201.166096][ T73] dst_init+0x84/0x4a0 [ 9201.166096][ T73] dst_alloc+0x97/0x150 [ 9201.166096][ T73] ip6_dst_alloc+0x23/0x90 [ 9201.166096][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9201.166096][ T73] ip6_pol_route+0x56f/0x840 [ 9201.166096][ T73] fib6_rule_lookup+0x456/0x630 [ 9201.166096][ T73] ip6_route_input+0x59c/0xa50 [ 9201.166096][ T73] ipv6_rcv+0x397/0x810 [ 9201.166096][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9201.166096][ T73] process_backlog+0x101/0x620 [ 9201.166096][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9201.166096][ T73] net_rx_action+0x495/0xbe0 [ 9201.166096][ T73] __do_softirq+0x1b5/0x7f6 [ 9201.166096][ T73] [ 9201.167761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9201.167761][ T73] netdev_get_by_index+0x5e/0x80 [ 9201.167761][ T73] fib6_nh_init+0x3d8/0x1580 [ 9201.167761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9201.167761][ T73] ip6_route_add+0x1c/0x140 [ 9201.167761][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9201.167761][ T73] inet6_addr_add+0x4f8/0xa40 [ 9201.167761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9201.167761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.167761][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.167761][ T73] netlink_unicast+0x449/0x710 [ 9201.167761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.167761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.167761][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.167761][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.167761][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.167761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.167761][ T73] [ 9201.169766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9201.169766][ T73] netdev_get_by_index+0x5e/0x80 [ 9201.169766][ T73] fib6_nh_init+0x3d8/0x1580 [ 9201.169766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9201.169766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9201.169766][ T73] ipv6_add_addr+0x411/0x2000 [ 9201.169766][ T73] inet6_addr_add+0x30e/0xa40 [ 9201.169766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9201.169766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.169766][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.169766][ T73] netlink_unicast+0x449/0x710 [ 9201.169766][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.169766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.169766][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.169766][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.169766][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.169766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.169766][ T73] [ 9201.171795][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9201.171795][ T73] netdev_get_by_index+0x5e/0x80 [ 9201.171795][ T73] fib6_nh_init+0x3d8/0x1580 [ 9201.171795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9201.171795][ T73] ip6_route_add+0x1c/0x140 [ 9201.171795][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9201.171795][ T73] addrconf_add_dev+0xe2/0x170 [ 9201.171795][ T73] inet6_addr_add+0x12f/0xa40 [ 9201.171795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9201.171795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.171795][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.171795][ T73] netlink_unicast+0x449/0x710 [ 9201.171795][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.171795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.171795][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.171795][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.171795][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.171795][ T73] [ 9201.173766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9201.173766][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9201.173766][ T73] ipv6_find_idev+0x102/0x170 [ 9201.173766][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9201.173766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.173766][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.173766][ T73] netlink_unicast+0x449/0x710 [ 9201.173766][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.173766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.173766][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.173766][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.173766][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.173766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.173766][ T73] [ 9201.175315][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9201.175315][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9201.175315][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9201.175315][ T73] ipv6_find_idev+0x102/0x170 [ 9201.175315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9201.175315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.175315][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.175315][ T73] netlink_unicast+0x449/0x710 [ 9201.175315][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.175315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.175315][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.175315][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.175315][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.175315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.175315][ T73] [ 9201.177028][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9201.177271][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9201.177271][ T73] dst_init+0x84/0x4a0 [ 9201.177271][ T73] dst_alloc+0x97/0x150 [ 9201.177271][ T73] ip6_dst_alloc+0x23/0x90 [ 9201.177271][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9201.177271][ T73] ip6_pol_route+0x56f/0x840 [ 9201.177271][ T73] fib6_rule_lookup+0x456/0x630 [ 9201.177271][ T73] ip6_route_input+0x59c/0xa50 [ 9201.177271][ T73] ipv6_rcv+0x397/0x810 [ 9201.177271][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9201.177271][ T73] process_backlog+0x101/0x620 [ 9201.177271][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9201.177271][ T73] net_rx_action+0x495/0xbe0 [ 9201.177271][ T73] __do_softirq+0x1b5/0x7f6 [ 9201.177271][ T73] [ 9201.178921][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9201.178921][ T73] netdev_get_by_index+0x5e/0x80 [ 9201.178921][ T73] fib6_nh_init+0x3d8/0x1580 [ 9201.178921][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9201.178921][ T73] ip6_route_add+0x1c/0x140 [ 9201.178921][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9201.178921][ T73] inet6_addr_add+0x4f8/0xa40 [ 9201.178921][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9201.178921][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.178921][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.178921][ T73] netlink_unicast+0x449/0x710 [ 9201.178921][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.178921][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.178921][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.178921][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.178921][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.178921][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.178921][ T73] [ 9201.180941][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9201.180941][ T73] netdev_get_by_index+0x5e/0x80 [ 9201.180941][ T73] fib6_nh_init+0x3d8/0x1580 [ 9201.180941][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9201.180941][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9201.180941][ T73] ipv6_add_addr+0x411/0x2000 [ 9201.180941][ T73] inet6_addr_add+0x30e/0xa40 [ 9201.180941][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9201.180941][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.180941][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.180941][ T73] netlink_unicast+0x449/0x710 [ 9201.180941][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.180941][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.180941][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.180941][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.180941][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.180941][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.180941][ T73] [ 9201.182966][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9201.182966][ T73] netdev_get_by_index+0x5e/0x80 [ 9201.182966][ T73] fib6_nh_init+0x3d8/0x1580 [ 9201.182966][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9201.182966][ T73] ip6_route_add+0x1c/0x140 [ 9201.182966][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9201.182966][ T73] addrconf_add_dev+0xe2/0x170 [ 9201.182966][ T73] inet6_addr_add+0x12f/0xa40 [ 9201.182966][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9201.182966][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.182966][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.182966][ T73] netlink_unicast+0x449/0x710 [ 9201.182966][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.182966][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.182966][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.182966][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.182966][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.182966][ T73] [ 9201.184943][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9201.184943][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9201.184943][ T73] ipv6_find_idev+0x102/0x170 [ 9201.184943][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9201.184943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.184943][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.184943][ T73] netlink_unicast+0x449/0x710 [ 9201.184943][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.184943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.184943][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.184943][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.184943][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.184943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.184943][ T73] [ 9201.186488][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9201.186488][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9201.186488][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9201.186488][ T73] ipv6_find_idev+0x102/0x170 [ 9201.186488][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9201.186488][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9201.186488][ T73] netlink_rcv_skb+0x130/0x360 [ 9201.186488][ T73] netlink_unicast+0x449/0x710 [ 9201.186488][ T73] netlink_sendmsg+0x723/0xbe0 [ 9201.186488][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9201.186488][ T73] ___sys_sendmsg+0xee/0x170 [ 9201.186488][ T73] __sys_sendmsg+0xcd/0x170 [ 9201.186488][ T73] do_syscall_64+0xc6/0x1e0 [ 9201.186488][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9201.186488][ T73] [ 9208.109725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9208.110207][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9208.110207][ T1076] netdev_get_by_index+0x5e/0x80 [ 9208.110207][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9208.110207][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9208.110207][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9208.110207][ T1076] ipv6_add_addr+0x411/0x2000 [ 9208.110207][ T1076] inet6_addr_add+0x30e/0xa40 [ 9208.110207][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9208.110207][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.110207][ T1076] netlink_rcv_skb+0x130/0x360 [ 9208.110207][ T1076] netlink_unicast+0x449/0x710 [ 9208.110207][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9208.110207][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9208.110207][ T1076] ___sys_sendmsg+0xee/0x170 [ 9208.110207][ T1076] __sys_sendmsg+0xcd/0x170 [ 9208.110207][ T1076] do_syscall_64+0xc6/0x1e0 [ 9208.110207][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.110207][ T1076] [ 9208.112478][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9208.112478][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9208.112478][ T1076] ipv6_find_idev+0x102/0x170 [ 9208.112478][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9208.112478][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.112478][ T1076] netlink_rcv_skb+0x130/0x360 [ 9208.112478][ T1076] netlink_unicast+0x449/0x710 [ 9208.112478][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9208.112478][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9208.112478][ T1076] ___sys_sendmsg+0xee/0x170 [ 9208.112478][ T1076] __sys_sendmsg+0xcd/0x170 [ 9208.112478][ T1076] do_syscall_64+0xc6/0x1e0 [ 9208.112478][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.112478][ T1076] [ 9208.114204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9208.114204][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9208.114204][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9208.114204][ T1076] ipv6_find_idev+0x102/0x170 [ 9208.114204][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9208.114204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9208.114204][ T1076] netlink_rcv_skb+0x130/0x360 [ 9208.114204][ T1076] netlink_unicast+0x449/0x710 [ 9208.114204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9208.114204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9208.114204][ T1076] ___sys_sendmsg+0xee/0x170 [ 9208.114204][ T1076] __sys_sendmsg+0xcd/0x170 [ 9208.114204][ T1076] do_syscall_64+0xc6/0x1e0 [ 9208.114204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9208.114204][ T1076] [ 9211.429699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9211.430099][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9211.430099][ T73] dst_init+0x84/0x4a0 [ 9211.430099][ T73] dst_alloc+0x97/0x150 [ 9211.430099][ T73] ip6_dst_alloc+0x23/0x90 [ 9211.430099][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9211.430099][ T73] ip6_pol_route+0x56f/0x840 [ 9211.430099][ T73] fib6_rule_lookup+0x456/0x630 [ 9211.430099][ T73] ip6_route_input+0x59c/0xa50 [ 9211.430099][ T73] ipv6_rcv+0x397/0x810 [ 9211.430099][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9211.430099][ T73] process_backlog+0x101/0x620 [ 9211.430099][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9211.430099][ T73] net_rx_action+0x495/0xbe0 [ 9211.430099][ T73] __do_softirq+0x1b5/0x7f6 [ 9211.430099][ T73] [ 9211.431754][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9211.431754][ T73] netdev_get_by_index+0x5e/0x80 [ 9211.431754][ T73] fib6_nh_init+0x3d8/0x1580 [ 9211.431754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9211.431754][ T73] ip6_route_add+0x1c/0x140 [ 9211.431754][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9211.431754][ T73] inet6_addr_add+0x4f8/0xa40 [ 9211.431754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9211.431754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.431754][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.431754][ T73] netlink_unicast+0x449/0x710 [ 9211.431754][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.431754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.431754][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.431754][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.431754][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.431754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.431754][ T73] [ 9211.433737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9211.433737][ T73] netdev_get_by_index+0x5e/0x80 [ 9211.433737][ T73] fib6_nh_init+0x3d8/0x1580 [ 9211.433737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9211.433737][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9211.433737][ T73] ipv6_add_addr+0x411/0x2000 [ 9211.433737][ T73] inet6_addr_add+0x30e/0xa40 [ 9211.433737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9211.433737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.433737][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.433737][ T73] netlink_unicast+0x449/0x710 [ 9211.433737][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.433737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.433737][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.433737][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.433737][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.433737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.433737][ T73] [ 9211.435714][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9211.435714][ T73] netdev_get_by_index+0x5e/0x80 [ 9211.435714][ T73] fib6_nh_init+0x3d8/0x1580 [ 9211.435714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9211.435714][ T73] ip6_route_add+0x1c/0x140 [ 9211.435714][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9211.435714][ T73] addrconf_add_dev+0xe2/0x170 [ 9211.435714][ T73] inet6_addr_add+0x12f/0xa40 [ 9211.435714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9211.435714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.435714][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.435714][ T73] netlink_unicast+0x449/0x710 [ 9211.435714][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.435714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.435714][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.435714][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.435714][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.435714][ T73] [ 9211.437681][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9211.437681][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9211.437681][ T73] ipv6_find_idev+0x102/0x170 [ 9211.437681][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9211.437681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.437681][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.437681][ T73] netlink_unicast+0x449/0x710 [ 9211.437681][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.437681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.437681][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.437681][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.437681][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.437681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.437681][ T73] [ 9211.439207][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9211.439207][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9211.439207][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9211.439207][ T73] ipv6_find_idev+0x102/0x170 [ 9211.439207][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9211.439207][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.439207][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.439207][ T73] netlink_unicast+0x449/0x710 [ 9211.439207][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.439207][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.439207][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.439207][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.439207][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.439207][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.439207][ T73] [ 9211.440895][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9211.441139][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9211.441139][ T73] dst_init+0x84/0x4a0 [ 9211.441139][ T73] dst_alloc+0x97/0x150 [ 9211.441139][ T73] ip6_dst_alloc+0x23/0x90 [ 9211.441139][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9211.441139][ T73] ip6_pol_route+0x56f/0x840 [ 9211.441139][ T73] fib6_rule_lookup+0x456/0x630 [ 9211.441139][ T73] ip6_route_input+0x59c/0xa50 [ 9211.441139][ T73] ipv6_rcv+0x397/0x810 [ 9211.441139][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9211.441139][ T73] process_backlog+0x101/0x620 [ 9211.441139][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9211.441139][ T73] net_rx_action+0x495/0xbe0 [ 9211.441139][ T73] __do_softirq+0x1b5/0x7f6 [ 9211.441139][ T73] [ 9211.442770][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9211.442770][ T73] netdev_get_by_index+0x5e/0x80 [ 9211.442770][ T73] fib6_nh_init+0x3d8/0x1580 [ 9211.442770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9211.442770][ T73] ip6_route_add+0x1c/0x140 [ 9211.442770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9211.442770][ T73] inet6_addr_add+0x4f8/0xa40 [ 9211.442770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9211.442770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.442770][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.442770][ T73] netlink_unicast+0x449/0x710 [ 9211.442770][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.442770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.442770][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.442770][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.442770][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.442770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.442770][ T73] [ 9211.444761][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9211.444761][ T73] netdev_get_by_index+0x5e/0x80 [ 9211.444761][ T73] fib6_nh_init+0x3d8/0x1580 [ 9211.444761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9211.444761][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9211.444761][ T73] ipv6_add_addr+0x411/0x2000 [ 9211.444761][ T73] inet6_addr_add+0x30e/0xa40 [ 9211.444761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9211.444761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.444761][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.444761][ T73] netlink_unicast+0x449/0x710 [ 9211.444761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.444761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.444761][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.444761][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.444761][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.444761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.444761][ T73] [ 9211.446758][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9211.446758][ T73] netdev_get_by_index+0x5e/0x80 [ 9211.446758][ T73] fib6_nh_init+0x3d8/0x1580 [ 9211.446758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9211.446758][ T73] ip6_route_add+0x1c/0x140 [ 9211.446758][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9211.446758][ T73] addrconf_add_dev+0xe2/0x170 [ 9211.446758][ T73] inet6_addr_add+0x12f/0xa40 [ 9211.446758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9211.446758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.446758][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.446758][ T73] netlink_unicast+0x449/0x710 [ 9211.446758][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.446758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.446758][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.446758][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.446758][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.446758][ T73] [ 9211.448712][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9211.448712][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9211.448712][ T73] ipv6_find_idev+0x102/0x170 [ 9211.448712][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9211.448712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.448712][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.448712][ T73] netlink_unicast+0x449/0x710 [ 9211.448712][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.448712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.448712][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.448712][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.448712][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.448712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.448712][ T73] [ 9211.450247][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9211.450247][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9211.450247][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9211.450247][ T73] ipv6_find_idev+0x102/0x170 [ 9211.450247][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9211.450247][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9211.450247][ T73] netlink_rcv_skb+0x130/0x360 [ 9211.450247][ T73] netlink_unicast+0x449/0x710 [ 9211.450247][ T73] netlink_sendmsg+0x723/0xbe0 [ 9211.450247][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9211.450247][ T73] ___sys_sendmsg+0xee/0x170 [ 9211.450247][ T73] __sys_sendmsg+0xcd/0x170 [ 9211.450247][ T73] do_syscall_64+0xc6/0x1e0 [ 9211.450247][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9211.450247][ T73] [ 9218.269695][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9218.270194][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9218.270194][ T1076] netdev_get_by_index+0x5e/0x80 [ 9218.270194][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9218.270194][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9218.270194][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9218.270194][ T1076] ipv6_add_addr+0x411/0x2000 [ 9218.270194][ T1076] inet6_addr_add+0x30e/0xa40 [ 9218.270194][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9218.270194][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.270194][ T1076] netlink_rcv_skb+0x130/0x360 [ 9218.270194][ T1076] netlink_unicast+0x449/0x710 [ 9218.270194][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9218.270194][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9218.270194][ T1076] ___sys_sendmsg+0xee/0x170 [ 9218.270194][ T1076] __sys_sendmsg+0xcd/0x170 [ 9218.270194][ T1076] do_syscall_64+0xc6/0x1e0 [ 9218.270194][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.270194][ T1076] [ 9218.272484][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9218.272484][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9218.272484][ T1076] ipv6_find_idev+0x102/0x170 [ 9218.272484][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9218.272484][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.272484][ T1076] netlink_rcv_skb+0x130/0x360 [ 9218.272484][ T1076] netlink_unicast+0x449/0x710 [ 9218.272484][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9218.272484][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9218.272484][ T1076] ___sys_sendmsg+0xee/0x170 [ 9218.272484][ T1076] __sys_sendmsg+0xcd/0x170 [ 9218.272484][ T1076] do_syscall_64+0xc6/0x1e0 [ 9218.272484][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.272484][ T1076] [ 9218.274225][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9218.274225][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9218.274225][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9218.274225][ T1076] ipv6_find_idev+0x102/0x170 [ 9218.274225][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9218.274225][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9218.274225][ T1076] netlink_rcv_skb+0x130/0x360 [ 9218.274225][ T1076] netlink_unicast+0x449/0x710 [ 9218.274225][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9218.274225][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9218.274225][ T1076] ___sys_sendmsg+0xee/0x170 [ 9218.274225][ T1076] __sys_sendmsg+0xcd/0x170 [ 9218.274225][ T1076] do_syscall_64+0xc6/0x1e0 [ 9218.274225][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9218.274225][ T1076] [ 9221.693703][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9221.694088][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9221.694088][ T73] dst_init+0x84/0x4a0 [ 9221.694088][ T73] dst_alloc+0x97/0x150 [ 9221.694088][ T73] ip6_dst_alloc+0x23/0x90 [ 9221.694088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9221.694088][ T73] ip6_pol_route+0x56f/0x840 [ 9221.694088][ T73] fib6_rule_lookup+0x456/0x630 [ 9221.694088][ T73] ip6_route_input+0x59c/0xa50 [ 9221.694088][ T73] ipv6_rcv+0x397/0x810 [ 9221.694088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9221.694088][ T73] process_backlog+0x101/0x620 [ 9221.694088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9221.694088][ T73] net_rx_action+0x495/0xbe0 [ 9221.694088][ T73] __do_softirq+0x1b5/0x7f6 [ 9221.694088][ T73] [ 9221.695741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9221.695741][ T73] netdev_get_by_index+0x5e/0x80 [ 9221.695741][ T73] fib6_nh_init+0x3d8/0x1580 [ 9221.695741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9221.695741][ T73] ip6_route_add+0x1c/0x140 [ 9221.695741][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9221.695741][ T73] inet6_addr_add+0x4f8/0xa40 [ 9221.695741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9221.695741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.695741][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.695741][ T73] netlink_unicast+0x449/0x710 [ 9221.695741][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.695741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.695741][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.695741][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.695741][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.695741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.695741][ T73] [ 9221.697836][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9221.697836][ T73] netdev_get_by_index+0x5e/0x80 [ 9221.697836][ T73] fib6_nh_init+0x3d8/0x1580 [ 9221.697836][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9221.697836][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9221.697836][ T73] ipv6_add_addr+0x411/0x2000 [ 9221.697836][ T73] inet6_addr_add+0x30e/0xa40 [ 9221.697836][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9221.697836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.697836][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.697836][ T73] netlink_unicast+0x449/0x710 [ 9221.697836][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.697836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.697836][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.697836][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.697836][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.697836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.697836][ T73] [ 9221.699833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9221.699833][ T73] netdev_get_by_index+0x5e/0x80 [ 9221.699833][ T73] fib6_nh_init+0x3d8/0x1580 [ 9221.699833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9221.699833][ T73] ip6_route_add+0x1c/0x140 [ 9221.699833][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9221.699833][ T73] addrconf_add_dev+0xe2/0x170 [ 9221.699833][ T73] inet6_addr_add+0x12f/0xa40 [ 9221.699833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9221.699833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.699833][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.699833][ T73] netlink_unicast+0x449/0x710 [ 9221.699833][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.699833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.699833][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.699833][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.699833][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.699833][ T73] [ 9221.701805][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9221.701805][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9221.701805][ T73] ipv6_find_idev+0x102/0x170 [ 9221.701805][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9221.701805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.701805][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.701805][ T73] netlink_unicast+0x449/0x710 [ 9221.701805][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.701805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.701805][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.701805][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.701805][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.701805][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.701805][ T73] [ 9221.703354][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9221.703354][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9221.703354][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9221.703354][ T73] ipv6_find_idev+0x102/0x170 [ 9221.703354][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9221.703354][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.703354][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.703354][ T73] netlink_unicast+0x449/0x710 [ 9221.703354][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.703354][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.703354][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.703354][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.703354][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.703354][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.703354][ T73] [ 9221.705035][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9221.705280][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9221.705280][ T73] dst_init+0x84/0x4a0 [ 9221.705280][ T73] dst_alloc+0x97/0x150 [ 9221.705280][ T73] ip6_dst_alloc+0x23/0x90 [ 9221.705280][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9221.705280][ T73] ip6_pol_route+0x56f/0x840 [ 9221.705280][ T73] fib6_rule_lookup+0x456/0x630 [ 9221.705280][ T73] ip6_route_input+0x59c/0xa50 [ 9221.705280][ T73] ipv6_rcv+0x397/0x810 [ 9221.705280][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9221.705280][ T73] process_backlog+0x101/0x620 [ 9221.705280][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9221.705280][ T73] net_rx_action+0x495/0xbe0 [ 9221.705280][ T73] __do_softirq+0x1b5/0x7f6 [ 9221.705280][ T73] [ 9221.706908][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9221.706908][ T73] netdev_get_by_index+0x5e/0x80 [ 9221.706908][ T73] fib6_nh_init+0x3d8/0x1580 [ 9221.706908][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9221.706908][ T73] ip6_route_add+0x1c/0x140 [ 9221.706908][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9221.706908][ T73] inet6_addr_add+0x4f8/0xa40 [ 9221.706908][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9221.706908][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.706908][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.706908][ T73] netlink_unicast+0x449/0x710 [ 9221.706908][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.706908][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.706908][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.706908][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.706908][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.706908][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.706908][ T73] [ 9221.708894][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9221.708894][ T73] netdev_get_by_index+0x5e/0x80 [ 9221.708894][ T73] fib6_nh_init+0x3d8/0x1580 [ 9221.708894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9221.708894][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9221.708894][ T73] ipv6_add_addr+0x411/0x2000 [ 9221.708894][ T73] inet6_addr_add+0x30e/0xa40 [ 9221.708894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9221.708894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.708894][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.708894][ T73] netlink_unicast+0x449/0x710 [ 9221.708894][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.708894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.708894][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.708894][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.708894][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.708894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.708894][ T73] [ 9221.710900][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9221.710900][ T73] netdev_get_by_index+0x5e/0x80 [ 9221.710900][ T73] fib6_nh_init+0x3d8/0x1580 [ 9221.710900][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9221.710900][ T73] ip6_route_add+0x1c/0x140 [ 9221.710900][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9221.710900][ T73] addrconf_add_dev+0xe2/0x170 [ 9221.710900][ T73] inet6_addr_add+0x12f/0xa40 [ 9221.710900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9221.710900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.710900][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.710900][ T73] netlink_unicast+0x449/0x710 [ 9221.710900][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.710900][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.710900][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.710900][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.710900][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.710900][ T73] [ 9221.712855][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9221.712855][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9221.712855][ T73] ipv6_find_idev+0x102/0x170 [ 9221.712855][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9221.712855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.712855][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.712855][ T73] netlink_unicast+0x449/0x710 [ 9221.712855][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.712855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.712855][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.712855][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.712855][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.712855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.712855][ T73] [ 9221.714388][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9221.714388][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9221.714388][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9221.714388][ T73] ipv6_find_idev+0x102/0x170 [ 9221.714388][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9221.714388][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9221.714388][ T73] netlink_rcv_skb+0x130/0x360 [ 9221.714388][ T73] netlink_unicast+0x449/0x710 [ 9221.714388][ T73] netlink_sendmsg+0x723/0xbe0 [ 9221.714388][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9221.714388][ T73] ___sys_sendmsg+0xee/0x170 [ 9221.714388][ T73] __sys_sendmsg+0xcd/0x170 [ 9221.714388][ T73] do_syscall_64+0xc6/0x1e0 [ 9221.714388][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9221.714388][ T73] [ 9228.517699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9228.518138][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9228.518138][ T1076] netdev_get_by_index+0x5e/0x80 [ 9228.518138][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9228.518138][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9228.518138][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9228.518138][ T1076] ipv6_add_addr+0x411/0x2000 [ 9228.518138][ T1076] inet6_addr_add+0x30e/0xa40 [ 9228.518138][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9228.518138][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.518138][ T1076] netlink_rcv_skb+0x130/0x360 [ 9228.518138][ T1076] netlink_unicast+0x449/0x710 [ 9228.518138][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9228.518138][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9228.518138][ T1076] ___sys_sendmsg+0xee/0x170 [ 9228.518138][ T1076] __sys_sendmsg+0xcd/0x170 [ 9228.518138][ T1076] do_syscall_64+0xc6/0x1e0 [ 9228.518138][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.518138][ T1076] [ 9228.520429][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9228.520429][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9228.520429][ T1076] ipv6_find_idev+0x102/0x170 [ 9228.520429][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.520429][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.520429][ T1076] netlink_rcv_skb+0x130/0x360 [ 9228.520429][ T1076] netlink_unicast+0x449/0x710 [ 9228.520429][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9228.520429][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9228.520429][ T1076] ___sys_sendmsg+0xee/0x170 [ 9228.520429][ T1076] __sys_sendmsg+0xcd/0x170 [ 9228.520429][ T1076] do_syscall_64+0xc6/0x1e0 [ 9228.520429][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.520429][ T1076] [ 9228.522185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9228.522185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9228.522185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9228.522185][ T1076] ipv6_find_idev+0x102/0x170 [ 9228.522185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9228.522185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9228.522185][ T1076] netlink_rcv_skb+0x130/0x360 [ 9228.522185][ T1076] netlink_unicast+0x449/0x710 [ 9228.522185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9228.522185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9228.522185][ T1076] ___sys_sendmsg+0xee/0x170 [ 9228.522185][ T1076] __sys_sendmsg+0xcd/0x170 [ 9228.522185][ T1076] do_syscall_64+0xc6/0x1e0 [ 9228.522185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9228.522185][ T1076] [ 9231.957698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9231.958058][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9231.958058][ T73] dst_init+0x84/0x4a0 [ 9231.958058][ T73] dst_alloc+0x97/0x150 [ 9231.958058][ T73] ip6_dst_alloc+0x23/0x90 [ 9231.958058][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9231.958058][ T73] ip6_pol_route+0x56f/0x840 [ 9231.958058][ T73] fib6_rule_lookup+0x456/0x630 [ 9231.958058][ T73] ip6_route_input+0x59c/0xa50 [ 9231.958058][ T73] ipv6_rcv+0x397/0x810 [ 9231.958058][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9231.958058][ T73] process_backlog+0x101/0x620 [ 9231.958058][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9231.958058][ T73] net_rx_action+0x495/0xbe0 [ 9231.958058][ T73] __do_softirq+0x1b5/0x7f6 [ 9231.958058][ T73] [ 9231.959716][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9231.959716][ T73] netdev_get_by_index+0x5e/0x80 [ 9231.959716][ T73] fib6_nh_init+0x3d8/0x1580 [ 9231.959716][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9231.959716][ T73] ip6_route_add+0x1c/0x140 [ 9231.959716][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9231.959716][ T73] inet6_addr_add+0x4f8/0xa40 [ 9231.959716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9231.959716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.959716][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.959716][ T73] netlink_unicast+0x449/0x710 [ 9231.959716][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.959716][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.959716][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.959716][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.959716][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.959716][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.959716][ T73] [ 9231.961724][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9231.961724][ T73] netdev_get_by_index+0x5e/0x80 [ 9231.961724][ T73] fib6_nh_init+0x3d8/0x1580 [ 9231.961724][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9231.961724][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9231.961724][ T73] ipv6_add_addr+0x411/0x2000 [ 9231.961724][ T73] inet6_addr_add+0x30e/0xa40 [ 9231.961724][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9231.961724][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.961724][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.961724][ T73] netlink_unicast+0x449/0x710 [ 9231.961724][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.961724][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.961724][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.961724][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.961724][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.961724][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.961724][ T73] [ 9231.963715][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9231.963715][ T73] netdev_get_by_index+0x5e/0x80 [ 9231.963715][ T73] fib6_nh_init+0x3d8/0x1580 [ 9231.963715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9231.963715][ T73] ip6_route_add+0x1c/0x140 [ 9231.963715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9231.963715][ T73] addrconf_add_dev+0xe2/0x170 [ 9231.963715][ T73] inet6_addr_add+0x12f/0xa40 [ 9231.963715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9231.963715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.963715][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.963715][ T73] netlink_unicast+0x449/0x710 [ 9231.963715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.963715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.963715][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.963715][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.963715][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.963715][ T73] [ 9231.965675][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9231.965675][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9231.965675][ T73] ipv6_find_idev+0x102/0x170 [ 9231.965675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9231.965675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.965675][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.965675][ T73] netlink_unicast+0x449/0x710 [ 9231.965675][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.965675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.965675][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.965675][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.965675][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.965675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.965675][ T73] [ 9231.967209][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9231.967209][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9231.967209][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9231.967209][ T73] ipv6_find_idev+0x102/0x170 [ 9231.967209][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9231.967209][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.967209][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.967209][ T73] netlink_unicast+0x449/0x710 [ 9231.967209][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.967209][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.967209][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.967209][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.967209][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.967209][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.967209][ T73] [ 9231.968891][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9231.969131][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9231.969131][ T73] dst_init+0x84/0x4a0 [ 9231.969131][ T73] dst_alloc+0x97/0x150 [ 9231.969131][ T73] ip6_dst_alloc+0x23/0x90 [ 9231.969131][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9231.969131][ T73] ip6_pol_route+0x56f/0x840 [ 9231.969131][ T73] fib6_rule_lookup+0x456/0x630 [ 9231.969131][ T73] ip6_route_input+0x59c/0xa50 [ 9231.969131][ T73] ipv6_rcv+0x397/0x810 [ 9231.969131][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9231.969131][ T73] process_backlog+0x101/0x620 [ 9231.969131][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9231.969131][ T73] net_rx_action+0x495/0xbe0 [ 9231.969131][ T73] __do_softirq+0x1b5/0x7f6 [ 9231.969131][ T73] [ 9231.970767][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9231.970767][ T73] netdev_get_by_index+0x5e/0x80 [ 9231.970767][ T73] fib6_nh_init+0x3d8/0x1580 [ 9231.970767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9231.970767][ T73] ip6_route_add+0x1c/0x140 [ 9231.970767][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9231.970767][ T73] inet6_addr_add+0x4f8/0xa40 [ 9231.970767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9231.970767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.970767][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.970767][ T73] netlink_unicast+0x449/0x710 [ 9231.970767][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.970767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.970767][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.970767][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.970767][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.970767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.970767][ T73] [ 9231.972764][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9231.972764][ T73] netdev_get_by_index+0x5e/0x80 [ 9231.972764][ T73] fib6_nh_init+0x3d8/0x1580 [ 9231.972764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9231.972764][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9231.972764][ T73] ipv6_add_addr+0x411/0x2000 [ 9231.972764][ T73] inet6_addr_add+0x30e/0xa40 [ 9231.972764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9231.972764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.972764][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.972764][ T73] netlink_unicast+0x449/0x710 [ 9231.972764][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.972764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.972764][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.972764][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.972764][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.972764][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.972764][ T73] [ 9231.974767][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9231.974767][ T73] netdev_get_by_index+0x5e/0x80 [ 9231.974767][ T73] fib6_nh_init+0x3d8/0x1580 [ 9231.974767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9231.974767][ T73] ip6_route_add+0x1c/0x140 [ 9231.974767][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9231.974767][ T73] addrconf_add_dev+0xe2/0x170 [ 9231.974767][ T73] inet6_addr_add+0x12f/0xa40 [ 9231.974767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9231.974767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.974767][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.974767][ T73] netlink_unicast+0x449/0x710 [ 9231.974767][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.974767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.974767][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.974767][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.974767][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.974767][ T73] [ 9231.976728][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9231.976728][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9231.976728][ T73] ipv6_find_idev+0x102/0x170 [ 9231.976728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9231.976728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.976728][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.976728][ T73] netlink_unicast+0x449/0x710 [ 9231.976728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.976728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.976728][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.976728][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.976728][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.976728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.976728][ T73] [ 9231.978262][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9231.978262][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9231.978262][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9231.978262][ T73] ipv6_find_idev+0x102/0x170 [ 9231.978262][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9231.978262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9231.978262][ T73] netlink_rcv_skb+0x130/0x360 [ 9231.978262][ T73] netlink_unicast+0x449/0x710 [ 9231.978262][ T73] netlink_sendmsg+0x723/0xbe0 [ 9231.978262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9231.978262][ T73] ___sys_sendmsg+0xee/0x170 [ 9231.978262][ T73] __sys_sendmsg+0xcd/0x170 [ 9231.978262][ T73] do_syscall_64+0xc6/0x1e0 [ 9231.978262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9231.978262][ T73] [ 9238.765725][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9238.766233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9238.766233][ T1076] netdev_get_by_index+0x5e/0x80 [ 9238.766233][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9238.766233][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9238.766233][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9238.766233][ T1076] ipv6_add_addr+0x411/0x2000 [ 9238.766233][ T1076] inet6_addr_add+0x30e/0xa40 [ 9238.766233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9238.766233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.766233][ T1076] netlink_rcv_skb+0x130/0x360 [ 9238.766233][ T1076] netlink_unicast+0x449/0x710 [ 9238.766233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9238.766233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9238.766233][ T1076] ___sys_sendmsg+0xee/0x170 [ 9238.766233][ T1076] __sys_sendmsg+0xcd/0x170 [ 9238.766233][ T1076] do_syscall_64+0xc6/0x1e0 [ 9238.766233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.766233][ T1076] [ 9238.768526][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9238.768526][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9238.768526][ T1076] ipv6_find_idev+0x102/0x170 [ 9238.768526][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.768526][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.768526][ T1076] netlink_rcv_skb+0x130/0x360 [ 9238.768526][ T1076] netlink_unicast+0x449/0x710 [ 9238.768526][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9238.768526][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9238.768526][ T1076] ___sys_sendmsg+0xee/0x170 [ 9238.768526][ T1076] __sys_sendmsg+0xcd/0x170 [ 9238.768526][ T1076] do_syscall_64+0xc6/0x1e0 [ 9238.768526][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.768526][ T1076] [ 9238.770273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9238.770273][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9238.770273][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9238.770273][ T1076] ipv6_find_idev+0x102/0x170 [ 9238.770273][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9238.770273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9238.770273][ T1076] netlink_rcv_skb+0x130/0x360 [ 9238.770273][ T1076] netlink_unicast+0x449/0x710 [ 9238.770273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9238.770273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9238.770273][ T1076] ___sys_sendmsg+0xee/0x170 [ 9238.770273][ T1076] __sys_sendmsg+0xcd/0x170 [ 9238.770273][ T1076] do_syscall_64+0xc6/0x1e0 [ 9238.770273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9238.770273][ T1076] [ 9242.221745][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9242.222141][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9242.222141][ T73] dst_init+0x84/0x4a0 [ 9242.222141][ T73] dst_alloc+0x97/0x150 [ 9242.222141][ T73] ip6_dst_alloc+0x23/0x90 [ 9242.222141][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9242.222141][ T73] ip6_pol_route+0x56f/0x840 [ 9242.222141][ T73] fib6_rule_lookup+0x456/0x630 [ 9242.222141][ T73] ip6_route_input+0x59c/0xa50 [ 9242.222141][ T73] ipv6_rcv+0x397/0x810 [ 9242.222141][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9242.222141][ T73] process_backlog+0x101/0x620 [ 9242.222141][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9242.222141][ T73] net_rx_action+0x495/0xbe0 [ 9242.222141][ T73] __do_softirq+0x1b5/0x7f6 [ 9242.222141][ T73] [ 9242.223799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9242.223799][ T73] netdev_get_by_index+0x5e/0x80 [ 9242.223799][ T73] fib6_nh_init+0x3d8/0x1580 [ 9242.223799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9242.223799][ T73] ip6_route_add+0x1c/0x140 [ 9242.223799][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9242.223799][ T73] inet6_addr_add+0x4f8/0xa40 [ 9242.223799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9242.223799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.223799][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.223799][ T73] netlink_unicast+0x449/0x710 [ 9242.223799][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.223799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.223799][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.223799][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.223799][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.223799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.223799][ T73] [ 9242.225807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9242.225807][ T73] netdev_get_by_index+0x5e/0x80 [ 9242.225807][ T73] fib6_nh_init+0x3d8/0x1580 [ 9242.225807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9242.225807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9242.225807][ T73] ipv6_add_addr+0x411/0x2000 [ 9242.225807][ T73] inet6_addr_add+0x30e/0xa40 [ 9242.225807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9242.225807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.225807][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.225807][ T73] netlink_unicast+0x449/0x710 [ 9242.225807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.225807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.225807][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.225807][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.225807][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.225807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.225807][ T73] [ 9242.227803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9242.227803][ T73] netdev_get_by_index+0x5e/0x80 [ 9242.227803][ T73] fib6_nh_init+0x3d8/0x1580 [ 9242.227803][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9242.227803][ T73] ip6_route_add+0x1c/0x140 [ 9242.227803][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9242.227803][ T73] addrconf_add_dev+0xe2/0x170 [ 9242.227803][ T73] inet6_addr_add+0x12f/0xa40 [ 9242.227803][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9242.227803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.227803][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.227803][ T73] netlink_unicast+0x449/0x710 [ 9242.227803][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.227803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.227803][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.227803][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.227803][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.227803][ T73] [ 9242.229761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9242.229761][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9242.229761][ T73] ipv6_find_idev+0x102/0x170 [ 9242.229761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9242.229761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.229761][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.229761][ T73] netlink_unicast+0x449/0x710 [ 9242.229761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.229761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.229761][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.229761][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.229761][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.229761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.229761][ T73] [ 9242.231304][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9242.231304][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9242.231304][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9242.231304][ T73] ipv6_find_idev+0x102/0x170 [ 9242.231304][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9242.231304][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.231304][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.231304][ T73] netlink_unicast+0x449/0x710 [ 9242.231304][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.231304][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.231304][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.231304][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.231304][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.231304][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.231304][ T73] [ 9242.232978][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9242.233217][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9242.233217][ T73] dst_init+0x84/0x4a0 [ 9242.233217][ T73] dst_alloc+0x97/0x150 [ 9242.233217][ T73] ip6_dst_alloc+0x23/0x90 [ 9242.233217][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9242.233217][ T73] ip6_pol_route+0x56f/0x840 [ 9242.233217][ T73] fib6_rule_lookup+0x456/0x630 [ 9242.233217][ T73] ip6_route_input+0x59c/0xa50 [ 9242.233217][ T73] ipv6_rcv+0x397/0x810 [ 9242.233217][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9242.233217][ T73] process_backlog+0x101/0x620 [ 9242.233217][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9242.233217][ T73] net_rx_action+0x495/0xbe0 [ 9242.233217][ T73] __do_softirq+0x1b5/0x7f6 [ 9242.233217][ T73] [ 9242.234850][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9242.234850][ T73] netdev_get_by_index+0x5e/0x80 [ 9242.234850][ T73] fib6_nh_init+0x3d8/0x1580 [ 9242.234850][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9242.234850][ T73] ip6_route_add+0x1c/0x140 [ 9242.234850][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9242.234850][ T73] inet6_addr_add+0x4f8/0xa40 [ 9242.234850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9242.234850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.234850][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.234850][ T73] netlink_unicast+0x449/0x710 [ 9242.234850][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.234850][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.234850][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.234850][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.234850][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.234850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.234850][ T73] [ 9242.236841][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9242.236841][ T73] netdev_get_by_index+0x5e/0x80 [ 9242.236841][ T73] fib6_nh_init+0x3d8/0x1580 [ 9242.236841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9242.236841][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9242.236841][ T73] ipv6_add_addr+0x411/0x2000 [ 9242.236841][ T73] inet6_addr_add+0x30e/0xa40 [ 9242.236841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9242.236841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.236841][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.236841][ T73] netlink_unicast+0x449/0x710 [ 9242.236841][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.236841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.236841][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.236841][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.236841][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.236841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.236841][ T73] [ 9242.238832][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9242.238832][ T73] netdev_get_by_index+0x5e/0x80 [ 9242.238832][ T73] fib6_nh_init+0x3d8/0x1580 [ 9242.238832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9242.238832][ T73] ip6_route_add+0x1c/0x140 [ 9242.238832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9242.238832][ T73] addrconf_add_dev+0xe2/0x170 [ 9242.238832][ T73] inet6_addr_add+0x12f/0xa40 [ 9242.238832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9242.238832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.238832][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.238832][ T73] netlink_unicast+0x449/0x710 [ 9242.238832][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.238832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.238832][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.238832][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.238832][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.238832][ T73] [ 9242.240801][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9242.240801][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9242.240801][ T73] ipv6_find_idev+0x102/0x170 [ 9242.240801][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9242.240801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.240801][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.240801][ T73] netlink_unicast+0x449/0x710 [ 9242.240801][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.240801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.240801][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.240801][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.240801][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.240801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.240801][ T73] [ 9242.242339][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9242.242339][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9242.242339][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9242.242339][ T73] ipv6_find_idev+0x102/0x170 [ 9242.242339][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9242.242339][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9242.242339][ T73] netlink_rcv_skb+0x130/0x360 [ 9242.242339][ T73] netlink_unicast+0x449/0x710 [ 9242.242339][ T73] netlink_sendmsg+0x723/0xbe0 [ 9242.242339][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9242.242339][ T73] ___sys_sendmsg+0xee/0x170 [ 9242.242339][ T73] __sys_sendmsg+0xcd/0x170 [ 9242.242339][ T73] do_syscall_64+0xc6/0x1e0 [ 9242.242339][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9242.242339][ T73] [ 9249.013740][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9249.014260][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9249.014260][ T1076] netdev_get_by_index+0x5e/0x80 [ 9249.014260][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9249.014260][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9249.014260][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9249.014260][ T1076] ipv6_add_addr+0x411/0x2000 [ 9249.014260][ T1076] inet6_addr_add+0x30e/0xa40 [ 9249.014260][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9249.014260][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.014260][ T1076] netlink_rcv_skb+0x130/0x360 [ 9249.014260][ T1076] netlink_unicast+0x449/0x710 [ 9249.014260][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9249.014260][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9249.014260][ T1076] ___sys_sendmsg+0xee/0x170 [ 9249.014260][ T1076] __sys_sendmsg+0xcd/0x170 [ 9249.014260][ T1076] do_syscall_64+0xc6/0x1e0 [ 9249.014260][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.014260][ T1076] [ 9249.016550][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9249.016550][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9249.016550][ T1076] ipv6_find_idev+0x102/0x170 [ 9249.016550][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9249.016550][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.016550][ T1076] netlink_rcv_skb+0x130/0x360 [ 9249.016550][ T1076] netlink_unicast+0x449/0x710 [ 9249.016550][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9249.016550][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9249.016550][ T1076] ___sys_sendmsg+0xee/0x170 [ 9249.016550][ T1076] __sys_sendmsg+0xcd/0x170 [ 9249.016550][ T1076] do_syscall_64+0xc6/0x1e0 [ 9249.016550][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.016550][ T1076] [ 9249.018296][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9249.018296][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9249.018296][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9249.018296][ T1076] ipv6_find_idev+0x102/0x170 [ 9249.018296][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9249.018296][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9249.018296][ T1076] netlink_rcv_skb+0x130/0x360 [ 9249.018296][ T1076] netlink_unicast+0x449/0x710 [ 9249.018296][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9249.018296][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9249.018296][ T1076] ___sys_sendmsg+0xee/0x170 [ 9249.018296][ T1076] __sys_sendmsg+0xcd/0x170 [ 9249.018296][ T1076] do_syscall_64+0xc6/0x1e0 [ 9249.018296][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9249.018296][ T1076] [ 9252.485727][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9252.486126][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9252.486126][ T73] dst_init+0x84/0x4a0 [ 9252.486126][ T73] dst_alloc+0x97/0x150 [ 9252.486126][ T73] ip6_dst_alloc+0x23/0x90 [ 9252.486126][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9252.486126][ T73] ip6_pol_route+0x56f/0x840 [ 9252.486126][ T73] fib6_rule_lookup+0x456/0x630 [ 9252.486126][ T73] ip6_route_input+0x59c/0xa50 [ 9252.486126][ T73] ipv6_rcv+0x397/0x810 [ 9252.486126][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9252.486126][ T73] process_backlog+0x101/0x620 [ 9252.486126][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9252.486126][ T73] net_rx_action+0x495/0xbe0 [ 9252.486126][ T73] __do_softirq+0x1b5/0x7f6 [ 9252.486126][ T73] [ 9252.487776][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9252.487776][ T73] netdev_get_by_index+0x5e/0x80 [ 9252.487776][ T73] fib6_nh_init+0x3d8/0x1580 [ 9252.487776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9252.487776][ T73] ip6_route_add+0x1c/0x140 [ 9252.487776][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9252.487776][ T73] inet6_addr_add+0x4f8/0xa40 [ 9252.487776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9252.487776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.487776][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.487776][ T73] netlink_unicast+0x449/0x710 [ 9252.487776][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.487776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.487776][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.487776][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.487776][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.487776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.487776][ T73] [ 9252.489774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9252.489774][ T73] netdev_get_by_index+0x5e/0x80 [ 9252.489774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9252.489774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9252.489774][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9252.489774][ T73] ipv6_add_addr+0x411/0x2000 [ 9252.489774][ T73] inet6_addr_add+0x30e/0xa40 [ 9252.489774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9252.489774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.489774][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.489774][ T73] netlink_unicast+0x449/0x710 [ 9252.489774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.489774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.489774][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.489774][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.489774][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.489774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.489774][ T73] [ 9252.491775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9252.491775][ T73] netdev_get_by_index+0x5e/0x80 [ 9252.491775][ T73] fib6_nh_init+0x3d8/0x1580 [ 9252.491775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9252.491775][ T73] ip6_route_add+0x1c/0x140 [ 9252.491775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9252.491775][ T73] addrconf_add_dev+0xe2/0x170 [ 9252.491775][ T73] inet6_addr_add+0x12f/0xa40 [ 9252.491775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9252.491775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.491775][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.491775][ T73] netlink_unicast+0x449/0x710 [ 9252.491775][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.491775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.491775][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.491775][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.491775][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.491775][ T73] [ 9252.493727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9252.493727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9252.493727][ T73] ipv6_find_idev+0x102/0x170 [ 9252.493727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9252.493727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.493727][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.493727][ T73] netlink_unicast+0x449/0x710 [ 9252.493727][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.493727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.493727][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.493727][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.493727][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.493727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.493727][ T73] [ 9252.495257][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9252.495257][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9252.495257][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9252.495257][ T73] ipv6_find_idev+0x102/0x170 [ 9252.495257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9252.495257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.495257][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.495257][ T73] netlink_unicast+0x449/0x710 [ 9252.495257][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.495257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.495257][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.495257][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.495257][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.495257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.495257][ T73] [ 9252.497459][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9252.497716][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9252.497716][ T73] dst_init+0x84/0x4a0 [ 9252.497716][ T73] dst_alloc+0x97/0x150 [ 9252.497716][ T73] ip6_dst_alloc+0x23/0x90 [ 9252.497716][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9252.497716][ T73] ip6_pol_route+0x56f/0x840 [ 9252.497716][ T73] fib6_rule_lookup+0x456/0x630 [ 9252.497716][ T73] ip6_route_input+0x59c/0xa50 [ 9252.497716][ T73] ipv6_rcv+0x397/0x810 [ 9252.497716][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9252.497716][ T73] process_backlog+0x101/0x620 [ 9252.497716][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9252.497716][ T73] net_rx_action+0x495/0xbe0 [ 9252.497716][ T73] __do_softirq+0x1b5/0x7f6 [ 9252.497716][ T73] [ 9252.499345][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9252.499345][ T73] netdev_get_by_index+0x5e/0x80 [ 9252.499345][ T73] fib6_nh_init+0x3d8/0x1580 [ 9252.499345][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9252.499345][ T73] ip6_route_add+0x1c/0x140 [ 9252.499345][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9252.499345][ T73] inet6_addr_add+0x4f8/0xa40 [ 9252.499345][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9252.499345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.499345][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.499345][ T73] netlink_unicast+0x449/0x710 [ 9252.499345][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.499345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.499345][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.499345][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.499345][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.499345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.499345][ T73] [ 9252.501337][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9252.501337][ T73] netdev_get_by_index+0x5e/0x80 [ 9252.501337][ T73] fib6_nh_init+0x3d8/0x1580 [ 9252.501337][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9252.501337][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9252.501337][ T73] ipv6_add_addr+0x411/0x2000 [ 9252.501337][ T73] inet6_addr_add+0x30e/0xa40 [ 9252.501337][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9252.501337][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.501337][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.501337][ T73] netlink_unicast+0x449/0x710 [ 9252.501337][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.501337][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.501337][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.501337][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.501337][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.501337][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.501337][ T73] [ 9252.503330][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9252.503330][ T73] netdev_get_by_index+0x5e/0x80 [ 9252.503330][ T73] fib6_nh_init+0x3d8/0x1580 [ 9252.503330][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9252.503330][ T73] ip6_route_add+0x1c/0x140 [ 9252.503330][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9252.503330][ T73] addrconf_add_dev+0xe2/0x170 [ 9252.503330][ T73] inet6_addr_add+0x12f/0xa40 [ 9252.503330][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9252.503330][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.503330][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.503330][ T73] netlink_unicast+0x449/0x710 [ 9252.503330][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.503330][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.503330][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.503330][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.503330][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.503330][ T73] [ 9252.505284][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9252.505284][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9252.505284][ T73] ipv6_find_idev+0x102/0x170 [ 9252.505284][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9252.505284][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.505284][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.505284][ T73] netlink_unicast+0x449/0x710 [ 9252.505284][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.505284][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.505284][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.505284][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.505284][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.505284][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.505284][ T73] [ 9252.507193][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9252.507193][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9252.507193][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9252.507193][ T73] ipv6_find_idev+0x102/0x170 [ 9252.507193][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9252.507193][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9252.507193][ T73] netlink_rcv_skb+0x130/0x360 [ 9252.507193][ T73] netlink_unicast+0x449/0x710 [ 9252.507193][ T73] netlink_sendmsg+0x723/0xbe0 [ 9252.507193][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9252.507193][ T73] ___sys_sendmsg+0xee/0x170 [ 9252.507193][ T73] __sys_sendmsg+0xcd/0x170 [ 9252.507193][ T73] do_syscall_64+0xc6/0x1e0 [ 9252.507193][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9252.507193][ T73] [ 9259.261694][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9259.262144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9259.262144][ T1076] netdev_get_by_index+0x5e/0x80 [ 9259.262144][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9259.262144][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9259.262144][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9259.262144][ T1076] ipv6_add_addr+0x411/0x2000 [ 9259.262144][ T1076] inet6_addr_add+0x30e/0xa40 [ 9259.262144][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9259.262144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.262144][ T1076] netlink_rcv_skb+0x130/0x360 [ 9259.262144][ T1076] netlink_unicast+0x449/0x710 [ 9259.262144][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9259.262144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9259.262144][ T1076] ___sys_sendmsg+0xee/0x170 [ 9259.262144][ T1076] __sys_sendmsg+0xcd/0x170 [ 9259.262144][ T1076] do_syscall_64+0xc6/0x1e0 [ 9259.262144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.262144][ T1076] [ 9259.264448][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9259.264448][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9259.264448][ T1076] ipv6_find_idev+0x102/0x170 [ 9259.264448][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9259.264448][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.264448][ T1076] netlink_rcv_skb+0x130/0x360 [ 9259.264448][ T1076] netlink_unicast+0x449/0x710 [ 9259.264448][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9259.264448][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9259.264448][ T1076] ___sys_sendmsg+0xee/0x170 [ 9259.264448][ T1076] __sys_sendmsg+0xcd/0x170 [ 9259.264448][ T1076] do_syscall_64+0xc6/0x1e0 [ 9259.264448][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.264448][ T1076] [ 9259.266198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9259.266198][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9259.266198][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9259.266198][ T1076] ipv6_find_idev+0x102/0x170 [ 9259.266198][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9259.266198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9259.266198][ T1076] netlink_rcv_skb+0x130/0x360 [ 9259.266198][ T1076] netlink_unicast+0x449/0x710 [ 9259.266198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9259.266198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9259.266198][ T1076] ___sys_sendmsg+0xee/0x170 [ 9259.266198][ T1076] __sys_sendmsg+0xcd/0x170 [ 9259.266198][ T1076] do_syscall_64+0xc6/0x1e0 [ 9259.266198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9259.266198][ T1076] [ 9262.749726][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9262.750122][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9262.750122][ T73] dst_init+0x84/0x4a0 [ 9262.750122][ T73] dst_alloc+0x97/0x150 [ 9262.750122][ T73] ip6_dst_alloc+0x23/0x90 [ 9262.750122][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9262.750122][ T73] ip6_pol_route+0x56f/0x840 [ 9262.750122][ T73] fib6_rule_lookup+0x456/0x630 [ 9262.750122][ T73] ip6_route_input+0x59c/0xa50 [ 9262.750122][ T73] ipv6_rcv+0x397/0x810 [ 9262.750122][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9262.750122][ T73] process_backlog+0x101/0x620 [ 9262.750122][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9262.750122][ T73] net_rx_action+0x495/0xbe0 [ 9262.750122][ T73] __do_softirq+0x1b5/0x7f6 [ 9262.750122][ T73] [ 9262.751787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9262.751787][ T73] netdev_get_by_index+0x5e/0x80 [ 9262.751787][ T73] fib6_nh_init+0x3d8/0x1580 [ 9262.751787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9262.751787][ T73] ip6_route_add+0x1c/0x140 [ 9262.751787][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9262.751787][ T73] inet6_addr_add+0x4f8/0xa40 [ 9262.751787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9262.751787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.751787][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.751787][ T73] netlink_unicast+0x449/0x710 [ 9262.751787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.751787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.751787][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.751787][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.751787][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.751787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.751787][ T73] [ 9262.753784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9262.753784][ T73] netdev_get_by_index+0x5e/0x80 [ 9262.753784][ T73] fib6_nh_init+0x3d8/0x1580 [ 9262.753784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9262.753784][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9262.753784][ T73] ipv6_add_addr+0x411/0x2000 [ 9262.753784][ T73] inet6_addr_add+0x30e/0xa40 [ 9262.753784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9262.753784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.753784][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.753784][ T73] netlink_unicast+0x449/0x710 [ 9262.753784][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.753784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.753784][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.753784][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.753784][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.753784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.753784][ T73] [ 9262.755867][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9262.755867][ T73] netdev_get_by_index+0x5e/0x80 [ 9262.755867][ T73] fib6_nh_init+0x3d8/0x1580 [ 9262.755867][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9262.755867][ T73] ip6_route_add+0x1c/0x140 [ 9262.755867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9262.755867][ T73] addrconf_add_dev+0xe2/0x170 [ 9262.755867][ T73] inet6_addr_add+0x12f/0xa40 [ 9262.755867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9262.755867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.755867][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.755867][ T73] netlink_unicast+0x449/0x710 [ 9262.755867][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.755867][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.755867][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.755867][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.755867][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.755867][ T73] [ 9262.757816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9262.757816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9262.757816][ T73] ipv6_find_idev+0x102/0x170 [ 9262.757816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9262.757816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.757816][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.757816][ T73] netlink_unicast+0x449/0x710 [ 9262.757816][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.757816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.757816][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.757816][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.757816][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.757816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.757816][ T73] [ 9262.759343][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9262.759343][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9262.759343][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9262.759343][ T73] ipv6_find_idev+0x102/0x170 [ 9262.759343][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9262.759343][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.759343][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.759343][ T73] netlink_unicast+0x449/0x710 [ 9262.759343][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.759343][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.759343][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.759343][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.759343][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.759343][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.759343][ T73] [ 9262.761016][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9262.761257][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9262.761257][ T73] dst_init+0x84/0x4a0 [ 9262.761257][ T73] dst_alloc+0x97/0x150 [ 9262.761257][ T73] ip6_dst_alloc+0x23/0x90 [ 9262.761257][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9262.761257][ T73] ip6_pol_route+0x56f/0x840 [ 9262.761257][ T73] fib6_rule_lookup+0x456/0x630 [ 9262.761257][ T73] ip6_route_input+0x59c/0xa50 [ 9262.761257][ T73] ipv6_rcv+0x397/0x810 [ 9262.761257][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9262.761257][ T73] process_backlog+0x101/0x620 [ 9262.761257][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9262.761257][ T73] net_rx_action+0x495/0xbe0 [ 9262.761257][ T73] __do_softirq+0x1b5/0x7f6 [ 9262.761257][ T73] [ 9262.762878][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9262.762878][ T73] netdev_get_by_index+0x5e/0x80 [ 9262.762878][ T73] fib6_nh_init+0x3d8/0x1580 [ 9262.762878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9262.762878][ T73] ip6_route_add+0x1c/0x140 [ 9262.762878][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9262.762878][ T73] inet6_addr_add+0x4f8/0xa40 [ 9262.762878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9262.762878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.762878][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.762878][ T73] netlink_unicast+0x449/0x710 [ 9262.762878][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.762878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.762878][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.762878][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.762878][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.762878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.762878][ T73] [ 9262.764858][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9262.764858][ T73] netdev_get_by_index+0x5e/0x80 [ 9262.764858][ T73] fib6_nh_init+0x3d8/0x1580 [ 9262.764858][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9262.764858][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9262.764858][ T73] ipv6_add_addr+0x411/0x2000 [ 9262.764858][ T73] inet6_addr_add+0x30e/0xa40 [ 9262.764858][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9262.764858][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.764858][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.764858][ T73] netlink_unicast+0x449/0x710 [ 9262.764858][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.764858][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.764858][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.764858][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.764858][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.764858][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.764858][ T73] [ 9262.766839][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9262.766839][ T73] netdev_get_by_index+0x5e/0x80 [ 9262.766839][ T73] fib6_nh_init+0x3d8/0x1580 [ 9262.766839][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9262.766839][ T73] ip6_route_add+0x1c/0x140 [ 9262.766839][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9262.766839][ T73] addrconf_add_dev+0xe2/0x170 [ 9262.766839][ T73] inet6_addr_add+0x12f/0xa40 [ 9262.766839][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9262.766839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.766839][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.766839][ T73] netlink_unicast+0x449/0x710 [ 9262.766839][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.766839][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.766839][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.766839][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.766839][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.766839][ T73] [ 9262.768795][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9262.768795][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9262.768795][ T73] ipv6_find_idev+0x102/0x170 [ 9262.768795][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9262.768795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.768795][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.768795][ T73] netlink_unicast+0x449/0x710 [ 9262.768795][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.768795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.768795][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.768795][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.768795][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.768795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.768795][ T73] [ 9262.770328][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9262.770328][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9262.770328][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9262.770328][ T73] ipv6_find_idev+0x102/0x170 [ 9262.770328][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9262.770328][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9262.770328][ T73] netlink_rcv_skb+0x130/0x360 [ 9262.770328][ T73] netlink_unicast+0x449/0x710 [ 9262.770328][ T73] netlink_sendmsg+0x723/0xbe0 [ 9262.770328][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9262.770328][ T73] ___sys_sendmsg+0xee/0x170 [ 9262.770328][ T73] __sys_sendmsg+0xcd/0x170 [ 9262.770328][ T73] do_syscall_64+0xc6/0x1e0 [ 9262.770328][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9262.770328][ T73] [ 9269.509698][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9269.510198][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9269.510198][ T1076] netdev_get_by_index+0x5e/0x80 [ 9269.510198][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9269.510198][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9269.510198][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9269.510198][ T1076] ipv6_add_addr+0x411/0x2000 [ 9269.510198][ T1076] inet6_addr_add+0x30e/0xa40 [ 9269.510198][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9269.510198][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.510198][ T1076] netlink_rcv_skb+0x130/0x360 [ 9269.510198][ T1076] netlink_unicast+0x449/0x710 [ 9269.510198][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9269.510198][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9269.510198][ T1076] ___sys_sendmsg+0xee/0x170 [ 9269.510198][ T1076] __sys_sendmsg+0xcd/0x170 [ 9269.510198][ T1076] do_syscall_64+0xc6/0x1e0 [ 9269.510198][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.510198][ T1076] [ 9269.512504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9269.512504][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9269.512504][ T1076] ipv6_find_idev+0x102/0x170 [ 9269.512504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.512504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.512504][ T1076] netlink_rcv_skb+0x130/0x360 [ 9269.512504][ T1076] netlink_unicast+0x449/0x710 [ 9269.512504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9269.512504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9269.512504][ T1076] ___sys_sendmsg+0xee/0x170 [ 9269.512504][ T1076] __sys_sendmsg+0xcd/0x170 [ 9269.512504][ T1076] do_syscall_64+0xc6/0x1e0 [ 9269.512504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.512504][ T1076] [ 9269.514273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9269.514273][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9269.514273][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9269.514273][ T1076] ipv6_find_idev+0x102/0x170 [ 9269.514273][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9269.514273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9269.514273][ T1076] netlink_rcv_skb+0x130/0x360 [ 9269.514273][ T1076] netlink_unicast+0x449/0x710 [ 9269.514273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9269.514273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9269.514273][ T1076] ___sys_sendmsg+0xee/0x170 [ 9269.514273][ T1076] __sys_sendmsg+0xcd/0x170 [ 9269.514273][ T1076] do_syscall_64+0xc6/0x1e0 [ 9269.514273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9269.514273][ T1076] [ 9273.013698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9273.014091][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9273.014091][ T73] dst_init+0x84/0x4a0 [ 9273.014091][ T73] dst_alloc+0x97/0x150 [ 9273.014091][ T73] ip6_dst_alloc+0x23/0x90 [ 9273.014091][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9273.014091][ T73] ip6_pol_route+0x56f/0x840 [ 9273.014091][ T73] fib6_rule_lookup+0x456/0x630 [ 9273.014091][ T73] ip6_route_input+0x59c/0xa50 [ 9273.014091][ T73] ipv6_rcv+0x397/0x810 [ 9273.014091][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9273.014091][ T73] process_backlog+0x101/0x620 [ 9273.014091][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9273.014091][ T73] net_rx_action+0x495/0xbe0 [ 9273.014091][ T73] __do_softirq+0x1b5/0x7f6 [ 9273.014091][ T73] [ 9273.016106][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9273.016106][ T73] netdev_get_by_index+0x5e/0x80 [ 9273.016106][ T73] fib6_nh_init+0x3d8/0x1580 [ 9273.016106][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9273.016106][ T73] ip6_route_add+0x1c/0x140 [ 9273.016106][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9273.016106][ T73] inet6_addr_add+0x4f8/0xa40 [ 9273.016106][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9273.016106][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.016106][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.016106][ T73] netlink_unicast+0x449/0x710 [ 9273.016106][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.016106][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.016106][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.016106][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.016106][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.016106][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.016106][ T73] [ 9273.018094][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9273.018094][ T73] netdev_get_by_index+0x5e/0x80 [ 9273.018094][ T73] fib6_nh_init+0x3d8/0x1580 [ 9273.018094][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9273.018094][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9273.018094][ T73] ipv6_add_addr+0x411/0x2000 [ 9273.018094][ T73] inet6_addr_add+0x30e/0xa40 [ 9273.018094][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9273.018094][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.018094][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.018094][ T73] netlink_unicast+0x449/0x710 [ 9273.018094][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.018094][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.018094][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.018094][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.018094][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.018094][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.018094][ T73] [ 9273.020087][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9273.020087][ T73] netdev_get_by_index+0x5e/0x80 [ 9273.020087][ T73] fib6_nh_init+0x3d8/0x1580 [ 9273.020087][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9273.020087][ T73] ip6_route_add+0x1c/0x140 [ 9273.020087][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9273.020087][ T73] addrconf_add_dev+0xe2/0x170 [ 9273.020087][ T73] inet6_addr_add+0x12f/0xa40 [ 9273.020087][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9273.020087][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.020087][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.020087][ T73] netlink_unicast+0x449/0x710 [ 9273.020087][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.020087][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.020087][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.020087][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.020087][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.020087][ T73] [ 9273.022054][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9273.022054][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9273.022054][ T73] ipv6_find_idev+0x102/0x170 [ 9273.022054][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9273.022054][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.022054][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.022054][ T73] netlink_unicast+0x449/0x710 [ 9273.022054][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.022054][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.022054][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.022054][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.022054][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.022054][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.022054][ T73] [ 9273.023584][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9273.023584][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9273.023584][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9273.023584][ T73] ipv6_find_idev+0x102/0x170 [ 9273.023584][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9273.023584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.023584][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.023584][ T73] netlink_unicast+0x449/0x710 [ 9273.023584][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.023584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.023584][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.023584][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.023584][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.023584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.023584][ T73] [ 9273.025261][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9273.025505][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9273.025505][ T73] dst_init+0x84/0x4a0 [ 9273.025505][ T73] dst_alloc+0x97/0x150 [ 9273.025505][ T73] ip6_dst_alloc+0x23/0x90 [ 9273.025505][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9273.025505][ T73] ip6_pol_route+0x56f/0x840 [ 9273.025505][ T73] fib6_rule_lookup+0x456/0x630 [ 9273.025505][ T73] ip6_route_input+0x59c/0xa50 [ 9273.025505][ T73] ipv6_rcv+0x397/0x810 [ 9273.025505][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9273.025505][ T73] process_backlog+0x101/0x620 [ 9273.025505][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9273.025505][ T73] net_rx_action+0x495/0xbe0 [ 9273.025505][ T73] __do_softirq+0x1b5/0x7f6 [ 9273.025505][ T73] [ 9273.027129][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9273.027129][ T73] netdev_get_by_index+0x5e/0x80 [ 9273.027129][ T73] fib6_nh_init+0x3d8/0x1580 [ 9273.027129][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9273.027129][ T73] ip6_route_add+0x1c/0x140 [ 9273.027129][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9273.027129][ T73] inet6_addr_add+0x4f8/0xa40 [ 9273.027129][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9273.027129][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.027129][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.027129][ T73] netlink_unicast+0x449/0x710 [ 9273.027129][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.027129][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.027129][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.027129][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.027129][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.027129][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.027129][ T73] [ 9273.029112][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9273.029112][ T73] netdev_get_by_index+0x5e/0x80 [ 9273.029112][ T73] fib6_nh_init+0x3d8/0x1580 [ 9273.029112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9273.029112][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9273.029112][ T73] ipv6_add_addr+0x411/0x2000 [ 9273.029112][ T73] inet6_addr_add+0x30e/0xa40 [ 9273.029112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9273.029112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.029112][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.029112][ T73] netlink_unicast+0x449/0x710 [ 9273.029112][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.029112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.029112][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.029112][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.029112][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.029112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.029112][ T73] [ 9273.031101][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9273.031101][ T73] netdev_get_by_index+0x5e/0x80 [ 9273.031101][ T73] fib6_nh_init+0x3d8/0x1580 [ 9273.031101][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9273.031101][ T73] ip6_route_add+0x1c/0x140 [ 9273.031101][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9273.031101][ T73] addrconf_add_dev+0xe2/0x170 [ 9273.031101][ T73] inet6_addr_add+0x12f/0xa40 [ 9273.031101][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9273.031101][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.031101][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.031101][ T73] netlink_unicast+0x449/0x710 [ 9273.031101][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.031101][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.031101][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.031101][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.031101][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.031101][ T73] [ 9273.033061][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9273.033061][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9273.033061][ T73] ipv6_find_idev+0x102/0x170 [ 9273.033061][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9273.033061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.033061][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.033061][ T73] netlink_unicast+0x449/0x710 [ 9273.033061][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.033061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.033061][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.033061][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.033061][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.033061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.033061][ T73] [ 9273.034587][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9273.034587][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9273.034587][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9273.034587][ T73] ipv6_find_idev+0x102/0x170 [ 9273.034587][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9273.034587][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9273.034587][ T73] netlink_rcv_skb+0x130/0x360 [ 9273.034587][ T73] netlink_unicast+0x449/0x710 [ 9273.034587][ T73] netlink_sendmsg+0x723/0xbe0 [ 9273.034587][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9273.034587][ T73] ___sys_sendmsg+0xee/0x170 [ 9273.034587][ T73] __sys_sendmsg+0xcd/0x170 [ 9273.034587][ T73] do_syscall_64+0xc6/0x1e0 [ 9273.034587][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9273.034587][ T73] [ 9279.757699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9279.758141][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9279.758141][ T1076] netdev_get_by_index+0x5e/0x80 [ 9279.758141][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9279.758141][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9279.758141][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9279.758141][ T1076] ipv6_add_addr+0x411/0x2000 [ 9279.758141][ T1076] inet6_addr_add+0x30e/0xa40 [ 9279.758141][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9279.758141][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.758141][ T1076] netlink_rcv_skb+0x130/0x360 [ 9279.758141][ T1076] netlink_unicast+0x449/0x710 [ 9279.758141][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9279.758141][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9279.758141][ T1076] ___sys_sendmsg+0xee/0x170 [ 9279.758141][ T1076] __sys_sendmsg+0xcd/0x170 [ 9279.758141][ T1076] do_syscall_64+0xc6/0x1e0 [ 9279.758141][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.758141][ T1076] [ 9279.760458][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9279.760458][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9279.760458][ T1076] ipv6_find_idev+0x102/0x170 [ 9279.760458][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.760458][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.760458][ T1076] netlink_rcv_skb+0x130/0x360 [ 9279.760458][ T1076] netlink_unicast+0x449/0x710 [ 9279.760458][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9279.760458][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9279.760458][ T1076] ___sys_sendmsg+0xee/0x170 [ 9279.760458][ T1076] __sys_sendmsg+0xcd/0x170 [ 9279.760458][ T1076] do_syscall_64+0xc6/0x1e0 [ 9279.760458][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.760458][ T1076] [ 9279.762219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9279.762219][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9279.762219][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9279.762219][ T1076] ipv6_find_idev+0x102/0x170 [ 9279.762219][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9279.762219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9279.762219][ T1076] netlink_rcv_skb+0x130/0x360 [ 9279.762219][ T1076] netlink_unicast+0x449/0x710 [ 9279.762219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9279.762219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9279.762219][ T1076] ___sys_sendmsg+0xee/0x170 [ 9279.762219][ T1076] __sys_sendmsg+0xcd/0x170 [ 9279.762219][ T1076] do_syscall_64+0xc6/0x1e0 [ 9279.762219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9279.762219][ T1076] [ 9283.277729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9283.278126][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9283.278126][ T73] dst_init+0x84/0x4a0 [ 9283.278126][ T73] dst_alloc+0x97/0x150 [ 9283.278126][ T73] ip6_dst_alloc+0x23/0x90 [ 9283.278126][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9283.278126][ T73] ip6_pol_route+0x56f/0x840 [ 9283.278126][ T73] fib6_rule_lookup+0x456/0x630 [ 9283.278126][ T73] ip6_route_input+0x59c/0xa50 [ 9283.278126][ T73] ipv6_rcv+0x397/0x810 [ 9283.278126][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9283.278126][ T73] process_backlog+0x101/0x620 [ 9283.278126][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9283.278126][ T73] net_rx_action+0x495/0xbe0 [ 9283.278126][ T73] __do_softirq+0x1b5/0x7f6 [ 9283.278126][ T73] [ 9283.279787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9283.279787][ T73] netdev_get_by_index+0x5e/0x80 [ 9283.279787][ T73] fib6_nh_init+0x3d8/0x1580 [ 9283.279787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9283.279787][ T73] ip6_route_add+0x1c/0x140 [ 9283.279787][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9283.279787][ T73] inet6_addr_add+0x4f8/0xa40 [ 9283.279787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9283.279787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.279787][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.279787][ T73] netlink_unicast+0x449/0x710 [ 9283.279787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.279787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.279787][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.279787][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.279787][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.279787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.279787][ T73] [ 9283.281789][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9283.281789][ T73] netdev_get_by_index+0x5e/0x80 [ 9283.281789][ T73] fib6_nh_init+0x3d8/0x1580 [ 9283.281789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9283.281789][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9283.281789][ T73] ipv6_add_addr+0x411/0x2000 [ 9283.281789][ T73] inet6_addr_add+0x30e/0xa40 [ 9283.281789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9283.281789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.281789][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.281789][ T73] netlink_unicast+0x449/0x710 [ 9283.281789][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.281789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.281789][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.281789][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.281789][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.281789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.281789][ T73] [ 9283.283775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9283.283775][ T73] netdev_get_by_index+0x5e/0x80 [ 9283.283775][ T73] fib6_nh_init+0x3d8/0x1580 [ 9283.283775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9283.283775][ T73] ip6_route_add+0x1c/0x140 [ 9283.283775][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9283.283775][ T73] addrconf_add_dev+0xe2/0x170 [ 9283.283775][ T73] inet6_addr_add+0x12f/0xa40 [ 9283.283775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9283.283775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.283775][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.283775][ T73] netlink_unicast+0x449/0x710 [ 9283.283775][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.283775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.283775][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.283775][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.283775][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.283775][ T73] [ 9283.285730][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9283.285730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9283.285730][ T73] ipv6_find_idev+0x102/0x170 [ 9283.285730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9283.285730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.285730][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.285730][ T73] netlink_unicast+0x449/0x710 [ 9283.285730][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.285730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.285730][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.285730][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.285730][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.285730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.285730][ T73] [ 9283.287260][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9283.287260][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9283.287260][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9283.287260][ T73] ipv6_find_idev+0x102/0x170 [ 9283.287260][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9283.287260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.287260][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.287260][ T73] netlink_unicast+0x449/0x710 [ 9283.287260][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.287260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.287260][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.287260][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.287260][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.287260][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.287260][ T73] [ 9283.288938][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9283.289178][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9283.289178][ T73] dst_init+0x84/0x4a0 [ 9283.289178][ T73] dst_alloc+0x97/0x150 [ 9283.289178][ T73] ip6_dst_alloc+0x23/0x90 [ 9283.289178][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9283.289178][ T73] ip6_pol_route+0x56f/0x840 [ 9283.289178][ T73] fib6_rule_lookup+0x456/0x630 [ 9283.289178][ T73] ip6_route_input+0x59c/0xa50 [ 9283.289178][ T73] ipv6_rcv+0x397/0x810 [ 9283.289178][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9283.289178][ T73] process_backlog+0x101/0x620 [ 9283.289178][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9283.289178][ T73] net_rx_action+0x495/0xbe0 [ 9283.289178][ T73] __do_softirq+0x1b5/0x7f6 [ 9283.289178][ T73] [ 9283.290823][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9283.290823][ T73] netdev_get_by_index+0x5e/0x80 [ 9283.290823][ T73] fib6_nh_init+0x3d8/0x1580 [ 9283.290823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9283.290823][ T73] ip6_route_add+0x1c/0x140 [ 9283.290823][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9283.290823][ T73] inet6_addr_add+0x4f8/0xa40 [ 9283.290823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9283.290823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.290823][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.290823][ T73] netlink_unicast+0x449/0x710 [ 9283.290823][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.290823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.290823][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.290823][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.290823][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.290823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.290823][ T73] [ 9283.292814][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9283.292814][ T73] netdev_get_by_index+0x5e/0x80 [ 9283.292814][ T73] fib6_nh_init+0x3d8/0x1580 [ 9283.292814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9283.292814][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9283.292814][ T73] ipv6_add_addr+0x411/0x2000 [ 9283.292814][ T73] inet6_addr_add+0x30e/0xa40 [ 9283.292814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9283.292814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.292814][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.292814][ T73] netlink_unicast+0x449/0x710 [ 9283.292814][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.292814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.292814][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.292814][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.292814][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.292814][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.292814][ T73] [ 9283.294808][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9283.294808][ T73] netdev_get_by_index+0x5e/0x80 [ 9283.294808][ T73] fib6_nh_init+0x3d8/0x1580 [ 9283.294808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9283.294808][ T73] ip6_route_add+0x1c/0x140 [ 9283.294808][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9283.294808][ T73] addrconf_add_dev+0xe2/0x170 [ 9283.294808][ T73] inet6_addr_add+0x12f/0xa40 [ 9283.294808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9283.294808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.294808][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.294808][ T73] netlink_unicast+0x449/0x710 [ 9283.294808][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.294808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.294808][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.294808][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.294808][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.294808][ T73] [ 9283.296759][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9283.296759][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9283.296759][ T73] ipv6_find_idev+0x102/0x170 [ 9283.296759][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9283.296759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.296759][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.296759][ T73] netlink_unicast+0x449/0x710 [ 9283.296759][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.296759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.296759][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.296759][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.296759][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.296759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.296759][ T73] [ 9283.298289][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9283.298289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9283.298289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9283.298289][ T73] ipv6_find_idev+0x102/0x170 [ 9283.298289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9283.298289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9283.298289][ T73] netlink_rcv_skb+0x130/0x360 [ 9283.298289][ T73] netlink_unicast+0x449/0x710 [ 9283.298289][ T73] netlink_sendmsg+0x723/0xbe0 [ 9283.298289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9283.298289][ T73] ___sys_sendmsg+0xee/0x170 [ 9283.298289][ T73] __sys_sendmsg+0xcd/0x170 [ 9283.298289][ T73] do_syscall_64+0xc6/0x1e0 [ 9283.298289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9283.298289][ T73] [ 9290.005711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9290.006155][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9290.006155][ T1076] netdev_get_by_index+0x5e/0x80 [ 9290.006155][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9290.006155][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9290.006155][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9290.006155][ T1076] ipv6_add_addr+0x411/0x2000 [ 9290.006155][ T1076] inet6_addr_add+0x30e/0xa40 [ 9290.006155][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9290.006155][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.006155][ T1076] netlink_rcv_skb+0x130/0x360 [ 9290.006155][ T1076] netlink_unicast+0x449/0x710 [ 9290.006155][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9290.006155][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9290.006155][ T1076] ___sys_sendmsg+0xee/0x170 [ 9290.006155][ T1076] __sys_sendmsg+0xcd/0x170 [ 9290.006155][ T1076] do_syscall_64+0xc6/0x1e0 [ 9290.006155][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.006155][ T1076] [ 9290.008460][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9290.008460][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9290.008460][ T1076] ipv6_find_idev+0x102/0x170 [ 9290.008460][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9290.008460][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.008460][ T1076] netlink_rcv_skb+0x130/0x360 [ 9290.008460][ T1076] netlink_unicast+0x449/0x710 [ 9290.008460][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9290.008460][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9290.008460][ T1076] ___sys_sendmsg+0xee/0x170 [ 9290.008460][ T1076] __sys_sendmsg+0xcd/0x170 [ 9290.008460][ T1076] do_syscall_64+0xc6/0x1e0 [ 9290.008460][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.008460][ T1076] [ 9290.010240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9290.010240][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9290.010240][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9290.010240][ T1076] ipv6_find_idev+0x102/0x170 [ 9290.010240][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9290.010240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9290.010240][ T1076] netlink_rcv_skb+0x130/0x360 [ 9290.010240][ T1076] netlink_unicast+0x449/0x710 [ 9290.010240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9290.010240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9290.010240][ T1076] ___sys_sendmsg+0xee/0x170 [ 9290.010240][ T1076] __sys_sendmsg+0xcd/0x170 [ 9290.010240][ T1076] do_syscall_64+0xc6/0x1e0 [ 9290.010240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9290.010240][ T1076] [ 9293.541724][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9293.542126][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9293.542126][ T73] dst_init+0x84/0x4a0 [ 9293.542126][ T73] dst_alloc+0x97/0x150 [ 9293.542126][ T73] ip6_dst_alloc+0x23/0x90 [ 9293.542126][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9293.542126][ T73] ip6_pol_route+0x56f/0x840 [ 9293.542126][ T73] fib6_rule_lookup+0x456/0x630 [ 9293.542126][ T73] ip6_route_input+0x59c/0xa50 [ 9293.542126][ T73] ipv6_rcv+0x397/0x810 [ 9293.542126][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9293.542126][ T73] process_backlog+0x101/0x620 [ 9293.542126][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9293.542126][ T73] net_rx_action+0x495/0xbe0 [ 9293.542126][ T73] __do_softirq+0x1b5/0x7f6 [ 9293.542126][ T73] [ 9293.543778][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9293.543778][ T73] netdev_get_by_index+0x5e/0x80 [ 9293.543778][ T73] fib6_nh_init+0x3d8/0x1580 [ 9293.543778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9293.543778][ T73] ip6_route_add+0x1c/0x140 [ 9293.543778][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9293.543778][ T73] inet6_addr_add+0x4f8/0xa40 [ 9293.543778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9293.543778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.543778][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.543778][ T73] netlink_unicast+0x449/0x710 [ 9293.543778][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.543778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.543778][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.543778][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.543778][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.543778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.543778][ T73] [ 9293.545788][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9293.545788][ T73] netdev_get_by_index+0x5e/0x80 [ 9293.545788][ T73] fib6_nh_init+0x3d8/0x1580 [ 9293.545788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9293.545788][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9293.545788][ T73] ipv6_add_addr+0x411/0x2000 [ 9293.545788][ T73] inet6_addr_add+0x30e/0xa40 [ 9293.545788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9293.545788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.545788][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.545788][ T73] netlink_unicast+0x449/0x710 [ 9293.545788][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.545788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.545788][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.545788][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.545788][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.545788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.545788][ T73] [ 9293.547777][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9293.547777][ T73] netdev_get_by_index+0x5e/0x80 [ 9293.547777][ T73] fib6_nh_init+0x3d8/0x1580 [ 9293.547777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9293.547777][ T73] ip6_route_add+0x1c/0x140 [ 9293.547777][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9293.547777][ T73] addrconf_add_dev+0xe2/0x170 [ 9293.547777][ T73] inet6_addr_add+0x12f/0xa40 [ 9293.547777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9293.547777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.547777][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.547777][ T73] netlink_unicast+0x449/0x710 [ 9293.547777][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.547777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.547777][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.547777][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.547777][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.547777][ T73] [ 9293.549730][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9293.549730][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9293.549730][ T73] ipv6_find_idev+0x102/0x170 [ 9293.549730][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9293.549730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.549730][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.549730][ T73] netlink_unicast+0x449/0x710 [ 9293.549730][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.549730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.549730][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.549730][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.549730][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.549730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.549730][ T73] [ 9293.551275][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9293.551275][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9293.551275][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9293.551275][ T73] ipv6_find_idev+0x102/0x170 [ 9293.551275][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9293.551275][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.551275][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.551275][ T73] netlink_unicast+0x449/0x710 [ 9293.551275][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.551275][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.551275][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.551275][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.551275][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.551275][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.551275][ T73] [ 9293.552942][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9293.553180][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9293.553180][ T73] dst_init+0x84/0x4a0 [ 9293.553180][ T73] dst_alloc+0x97/0x150 [ 9293.553180][ T73] ip6_dst_alloc+0x23/0x90 [ 9293.553180][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9293.553180][ T73] ip6_pol_route+0x56f/0x840 [ 9293.553180][ T73] fib6_rule_lookup+0x456/0x630 [ 9293.553180][ T73] ip6_route_input+0x59c/0xa50 [ 9293.553180][ T73] ipv6_rcv+0x397/0x810 [ 9293.553180][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9293.553180][ T73] process_backlog+0x101/0x620 [ 9293.553180][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9293.553180][ T73] net_rx_action+0x495/0xbe0 [ 9293.553180][ T73] __do_softirq+0x1b5/0x7f6 [ 9293.553180][ T73] [ 9293.554809][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9293.554809][ T73] netdev_get_by_index+0x5e/0x80 [ 9293.554809][ T73] fib6_nh_init+0x3d8/0x1580 [ 9293.554809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9293.554809][ T73] ip6_route_add+0x1c/0x140 [ 9293.554809][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9293.554809][ T73] inet6_addr_add+0x4f8/0xa40 [ 9293.554809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9293.554809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.554809][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.554809][ T73] netlink_unicast+0x449/0x710 [ 9293.554809][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.554809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.554809][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.554809][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.554809][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.554809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.554809][ T73] [ 9293.556792][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9293.556792][ T73] netdev_get_by_index+0x5e/0x80 [ 9293.556792][ T73] fib6_nh_init+0x3d8/0x1580 [ 9293.556792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9293.556792][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9293.556792][ T73] ipv6_add_addr+0x411/0x2000 [ 9293.556792][ T73] inet6_addr_add+0x30e/0xa40 [ 9293.556792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9293.556792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.556792][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.556792][ T73] netlink_unicast+0x449/0x710 [ 9293.556792][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.556792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.556792][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.556792][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.556792][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.556792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.556792][ T73] [ 9293.558774][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9293.558774][ T73] netdev_get_by_index+0x5e/0x80 [ 9293.558774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9293.558774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9293.558774][ T73] ip6_route_add+0x1c/0x140 [ 9293.558774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9293.558774][ T73] addrconf_add_dev+0xe2/0x170 [ 9293.558774][ T73] inet6_addr_add+0x12f/0xa40 [ 9293.558774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9293.558774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.558774][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.558774][ T73] netlink_unicast+0x449/0x710 [ 9293.558774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.558774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.558774][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.558774][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.558774][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.558774][ T73] [ 9293.560725][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9293.560725][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9293.560725][ T73] ipv6_find_idev+0x102/0x170 [ 9293.560725][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9293.560725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.560725][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.560725][ T73] netlink_unicast+0x449/0x710 [ 9293.560725][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.560725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.560725][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.560725][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.560725][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.560725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.560725][ T73] [ 9293.562256][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9293.562256][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9293.562256][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9293.562256][ T73] ipv6_find_idev+0x102/0x170 [ 9293.562256][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9293.562256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9293.562256][ T73] netlink_rcv_skb+0x130/0x360 [ 9293.562256][ T73] netlink_unicast+0x449/0x710 [ 9293.562256][ T73] netlink_sendmsg+0x723/0xbe0 [ 9293.562256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9293.562256][ T73] ___sys_sendmsg+0xee/0x170 [ 9293.562256][ T73] __sys_sendmsg+0xcd/0x170 [ 9293.562256][ T73] do_syscall_64+0xc6/0x1e0 [ 9293.562256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9293.562256][ T73] [ 9300.253723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9300.254231][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9300.254231][ T1076] netdev_get_by_index+0x5e/0x80 [ 9300.254231][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9300.254231][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9300.254231][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9300.254231][ T1076] ipv6_add_addr+0x411/0x2000 [ 9300.254231][ T1076] inet6_addr_add+0x30e/0xa40 [ 9300.254231][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9300.254231][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.254231][ T1076] netlink_rcv_skb+0x130/0x360 [ 9300.254231][ T1076] netlink_unicast+0x449/0x710 [ 9300.254231][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9300.254231][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9300.254231][ T1076] ___sys_sendmsg+0xee/0x170 [ 9300.254231][ T1076] __sys_sendmsg+0xcd/0x170 [ 9300.254231][ T1076] do_syscall_64+0xc6/0x1e0 [ 9300.254231][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.254231][ T1076] [ 9300.256524][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9300.256524][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9300.256524][ T1076] ipv6_find_idev+0x102/0x170 [ 9300.256524][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9300.256524][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.256524][ T1076] netlink_rcv_skb+0x130/0x360 [ 9300.256524][ T1076] netlink_unicast+0x449/0x710 [ 9300.256524][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9300.256524][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9300.256524][ T1076] ___sys_sendmsg+0xee/0x170 [ 9300.256524][ T1076] __sys_sendmsg+0xcd/0x170 [ 9300.256524][ T1076] do_syscall_64+0xc6/0x1e0 [ 9300.256524][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.256524][ T1076] [ 9300.258273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9300.258273][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9300.258273][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9300.258273][ T1076] ipv6_find_idev+0x102/0x170 [ 9300.258273][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9300.258273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9300.258273][ T1076] netlink_rcv_skb+0x130/0x360 [ 9300.258273][ T1076] netlink_unicast+0x449/0x710 [ 9300.258273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9300.258273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9300.258273][ T1076] ___sys_sendmsg+0xee/0x170 [ 9300.258273][ T1076] __sys_sendmsg+0xcd/0x170 [ 9300.258273][ T1076] do_syscall_64+0xc6/0x1e0 [ 9300.258273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9300.258273][ T1076] [ 9303.805733][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9303.806118][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9303.806118][ T73] dst_init+0x84/0x4a0 [ 9303.806118][ T73] dst_alloc+0x97/0x150 [ 9303.806118][ T73] ip6_dst_alloc+0x23/0x90 [ 9303.806118][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9303.806118][ T73] ip6_pol_route+0x56f/0x840 [ 9303.806118][ T73] fib6_rule_lookup+0x456/0x630 [ 9303.806118][ T73] ip6_route_input+0x59c/0xa50 [ 9303.806118][ T73] ipv6_rcv+0x397/0x810 [ 9303.806118][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9303.806118][ T73] process_backlog+0x101/0x620 [ 9303.806118][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9303.806118][ T73] net_rx_action+0x495/0xbe0 [ 9303.806118][ T73] __do_softirq+0x1b5/0x7f6 [ 9303.806118][ T73] [ 9303.807775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9303.807775][ T73] netdev_get_by_index+0x5e/0x80 [ 9303.807775][ T73] fib6_nh_init+0x3d8/0x1580 [ 9303.807775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9303.807775][ T73] ip6_route_add+0x1c/0x140 [ 9303.807775][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9303.807775][ T73] inet6_addr_add+0x4f8/0xa40 [ 9303.807775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9303.807775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.807775][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.807775][ T73] netlink_unicast+0x449/0x710 [ 9303.807775][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.807775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.807775][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.807775][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.807775][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.807775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.807775][ T73] [ 9303.809772][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9303.809772][ T73] netdev_get_by_index+0x5e/0x80 [ 9303.809772][ T73] fib6_nh_init+0x3d8/0x1580 [ 9303.809772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9303.809772][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9303.809772][ T73] ipv6_add_addr+0x411/0x2000 [ 9303.809772][ T73] inet6_addr_add+0x30e/0xa40 [ 9303.809772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9303.809772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.809772][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.809772][ T73] netlink_unicast+0x449/0x710 [ 9303.809772][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.809772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.809772][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.809772][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.809772][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.809772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.809772][ T73] [ 9303.811777][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9303.811777][ T73] netdev_get_by_index+0x5e/0x80 [ 9303.811777][ T73] fib6_nh_init+0x3d8/0x1580 [ 9303.811777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9303.811777][ T73] ip6_route_add+0x1c/0x140 [ 9303.811777][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9303.811777][ T73] addrconf_add_dev+0xe2/0x170 [ 9303.811777][ T73] inet6_addr_add+0x12f/0xa40 [ 9303.811777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9303.811777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.811777][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.811777][ T73] netlink_unicast+0x449/0x710 [ 9303.811777][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.811777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.811777][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.811777][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.811777][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.811777][ T73] [ 9303.813728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9303.813728][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9303.813728][ T73] ipv6_find_idev+0x102/0x170 [ 9303.813728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9303.813728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.813728][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.813728][ T73] netlink_unicast+0x449/0x710 [ 9303.813728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.813728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.813728][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.813728][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.813728][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.813728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.813728][ T73] [ 9303.815259][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9303.815259][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9303.815259][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9303.815259][ T73] ipv6_find_idev+0x102/0x170 [ 9303.815259][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9303.815259][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.815259][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.815259][ T73] netlink_unicast+0x449/0x710 [ 9303.815259][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.815259][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.815259][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.815259][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.815259][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.815259][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.815259][ T73] [ 9303.816930][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9303.817164][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9303.817164][ T73] dst_init+0x84/0x4a0 [ 9303.817164][ T73] dst_alloc+0x97/0x150 [ 9303.817164][ T73] ip6_dst_alloc+0x23/0x90 [ 9303.817164][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9303.817164][ T73] ip6_pol_route+0x56f/0x840 [ 9303.817164][ T73] fib6_rule_lookup+0x456/0x630 [ 9303.817164][ T73] ip6_route_input+0x59c/0xa50 [ 9303.817164][ T73] ipv6_rcv+0x397/0x810 [ 9303.817164][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9303.817164][ T73] process_backlog+0x101/0x620 [ 9303.817164][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9303.817164][ T73] net_rx_action+0x495/0xbe0 [ 9303.817164][ T73] __do_softirq+0x1b5/0x7f6 [ 9303.817164][ T73] [ 9303.818786][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9303.818786][ T73] netdev_get_by_index+0x5e/0x80 [ 9303.818786][ T73] fib6_nh_init+0x3d8/0x1580 [ 9303.818786][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9303.818786][ T73] ip6_route_add+0x1c/0x140 [ 9303.818786][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9303.818786][ T73] inet6_addr_add+0x4f8/0xa40 [ 9303.818786][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9303.818786][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.818786][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.818786][ T73] netlink_unicast+0x449/0x710 [ 9303.818786][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.818786][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.818786][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.818786][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.818786][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.818786][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.818786][ T73] [ 9303.820775][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9303.820775][ T73] netdev_get_by_index+0x5e/0x80 [ 9303.820775][ T73] fib6_nh_init+0x3d8/0x1580 [ 9303.820775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9303.820775][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9303.820775][ T73] ipv6_add_addr+0x411/0x2000 [ 9303.820775][ T73] inet6_addr_add+0x30e/0xa40 [ 9303.820775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9303.820775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.820775][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.820775][ T73] netlink_unicast+0x449/0x710 [ 9303.820775][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.820775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.820775][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.820775][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.820775][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.820775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.820775][ T73] [ 9303.822760][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9303.822760][ T73] netdev_get_by_index+0x5e/0x80 [ 9303.822760][ T73] fib6_nh_init+0x3d8/0x1580 [ 9303.822760][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9303.822760][ T73] ip6_route_add+0x1c/0x140 [ 9303.822760][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9303.822760][ T73] addrconf_add_dev+0xe2/0x170 [ 9303.822760][ T73] inet6_addr_add+0x12f/0xa40 [ 9303.822760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9303.822760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.822760][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.822760][ T73] netlink_unicast+0x449/0x710 [ 9303.822760][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.822760][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.822760][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.822760][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.822760][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.822760][ T73] [ 9303.824836][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9303.824836][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9303.824836][ T73] ipv6_find_idev+0x102/0x170 [ 9303.824836][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9303.824836][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.824836][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.824836][ T73] netlink_unicast+0x449/0x710 [ 9303.824836][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.824836][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.824836][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.824836][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.824836][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.824836][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.824836][ T73] [ 9303.826359][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9303.826359][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9303.826359][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9303.826359][ T73] ipv6_find_idev+0x102/0x170 [ 9303.826359][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9303.826359][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9303.826359][ T73] netlink_rcv_skb+0x130/0x360 [ 9303.826359][ T73] netlink_unicast+0x449/0x710 [ 9303.826359][ T73] netlink_sendmsg+0x723/0xbe0 [ 9303.826359][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9303.826359][ T73] ___sys_sendmsg+0xee/0x170 [ 9303.826359][ T73] __sys_sendmsg+0xcd/0x170 [ 9303.826359][ T73] do_syscall_64+0xc6/0x1e0 [ 9303.826359][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9303.826359][ T73] [ 9310.501719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9310.502227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9310.502227][ T1076] netdev_get_by_index+0x5e/0x80 [ 9310.502227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9310.502227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9310.502227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9310.502227][ T1076] ipv6_add_addr+0x411/0x2000 [ 9310.502227][ T1076] inet6_addr_add+0x30e/0xa40 [ 9310.502227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9310.502227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.502227][ T1076] netlink_rcv_skb+0x130/0x360 [ 9310.502227][ T1076] netlink_unicast+0x449/0x710 [ 9310.502227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9310.502227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9310.502227][ T1076] ___sys_sendmsg+0xee/0x170 [ 9310.502227][ T1076] __sys_sendmsg+0xcd/0x170 [ 9310.502227][ T1076] do_syscall_64+0xc6/0x1e0 [ 9310.502227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.502227][ T1076] [ 9310.504502][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9310.504502][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9310.504502][ T1076] ipv6_find_idev+0x102/0x170 [ 9310.504502][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.504502][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.504502][ T1076] netlink_rcv_skb+0x130/0x360 [ 9310.504502][ T1076] netlink_unicast+0x449/0x710 [ 9310.504502][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9310.504502][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9310.504502][ T1076] ___sys_sendmsg+0xee/0x170 [ 9310.504502][ T1076] __sys_sendmsg+0xcd/0x170 [ 9310.504502][ T1076] do_syscall_64+0xc6/0x1e0 [ 9310.504502][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.504502][ T1076] [ 9310.506248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9310.506248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9310.506248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9310.506248][ T1076] ipv6_find_idev+0x102/0x170 [ 9310.506248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9310.506248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9310.506248][ T1076] netlink_rcv_skb+0x130/0x360 [ 9310.506248][ T1076] netlink_unicast+0x449/0x710 [ 9310.506248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9310.506248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9310.506248][ T1076] ___sys_sendmsg+0xee/0x170 [ 9310.506248][ T1076] __sys_sendmsg+0xcd/0x170 [ 9310.506248][ T1076] do_syscall_64+0xc6/0x1e0 [ 9310.506248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9310.506248][ T1076] [ 9314.069734][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9314.070139][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9314.070139][ T73] dst_init+0x84/0x4a0 [ 9314.070139][ T73] dst_alloc+0x97/0x150 [ 9314.070139][ T73] ip6_dst_alloc+0x23/0x90 [ 9314.070139][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9314.070139][ T73] ip6_pol_route+0x56f/0x840 [ 9314.070139][ T73] fib6_rule_lookup+0x456/0x630 [ 9314.070139][ T73] ip6_route_input+0x59c/0xa50 [ 9314.070139][ T73] ipv6_rcv+0x397/0x810 [ 9314.070139][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9314.070139][ T73] process_backlog+0x101/0x620 [ 9314.070139][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9314.070139][ T73] net_rx_action+0x495/0xbe0 [ 9314.070139][ T73] __do_softirq+0x1b5/0x7f6 [ 9314.070139][ T73] [ 9314.071784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9314.071784][ T73] netdev_get_by_index+0x5e/0x80 [ 9314.071784][ T73] fib6_nh_init+0x3d8/0x1580 [ 9314.071784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9314.071784][ T73] ip6_route_add+0x1c/0x140 [ 9314.071784][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9314.071784][ T73] inet6_addr_add+0x4f8/0xa40 [ 9314.071784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9314.071784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.071784][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.071784][ T73] netlink_unicast+0x449/0x710 [ 9314.071784][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.071784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.071784][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.071784][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.071784][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.071784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.071784][ T73] [ 9314.073767][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9314.073767][ T73] netdev_get_by_index+0x5e/0x80 [ 9314.073767][ T73] fib6_nh_init+0x3d8/0x1580 [ 9314.073767][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9314.073767][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9314.073767][ T73] ipv6_add_addr+0x411/0x2000 [ 9314.073767][ T73] inet6_addr_add+0x30e/0xa40 [ 9314.073767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9314.073767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.073767][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.073767][ T73] netlink_unicast+0x449/0x710 [ 9314.073767][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.073767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.073767][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.073767][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.073767][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.073767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.073767][ T73] [ 9314.075744][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9314.075744][ T73] netdev_get_by_index+0x5e/0x80 [ 9314.075744][ T73] fib6_nh_init+0x3d8/0x1580 [ 9314.075744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9314.075744][ T73] ip6_route_add+0x1c/0x140 [ 9314.075744][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9314.075744][ T73] addrconf_add_dev+0xe2/0x170 [ 9314.075744][ T73] inet6_addr_add+0x12f/0xa40 [ 9314.075744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9314.075744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.075744][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.075744][ T73] netlink_unicast+0x449/0x710 [ 9314.075744][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.075744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.075744][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.075744][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.075744][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.075744][ T73] [ 9314.077701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9314.077701][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9314.077701][ T73] ipv6_find_idev+0x102/0x170 [ 9314.077701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9314.077701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.077701][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.077701][ T73] netlink_unicast+0x449/0x710 [ 9314.077701][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.077701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.077701][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.077701][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.077701][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.077701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.077701][ T73] [ 9314.079223][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9314.079223][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9314.079223][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9314.079223][ T73] ipv6_find_idev+0x102/0x170 [ 9314.079223][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9314.079223][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.079223][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.079223][ T73] netlink_unicast+0x449/0x710 [ 9314.079223][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.079223][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.079223][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.079223][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.079223][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.079223][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.079223][ T73] [ 9314.080893][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9314.081134][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9314.081134][ T73] dst_init+0x84/0x4a0 [ 9314.081134][ T73] dst_alloc+0x97/0x150 [ 9314.081134][ T73] ip6_dst_alloc+0x23/0x90 [ 9314.081134][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9314.081134][ T73] ip6_pol_route+0x56f/0x840 [ 9314.081134][ T73] fib6_rule_lookup+0x456/0x630 [ 9314.081134][ T73] ip6_route_input+0x59c/0xa50 [ 9314.081134][ T73] ipv6_rcv+0x397/0x810 [ 9314.081134][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9314.081134][ T73] process_backlog+0x101/0x620 [ 9314.081134][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9314.081134][ T73] net_rx_action+0x495/0xbe0 [ 9314.081134][ T73] __do_softirq+0x1b5/0x7f6 [ 9314.081134][ T73] [ 9314.082751][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9314.082751][ T73] netdev_get_by_index+0x5e/0x80 [ 9314.082751][ T73] fib6_nh_init+0x3d8/0x1580 [ 9314.082751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9314.082751][ T73] ip6_route_add+0x1c/0x140 [ 9314.082751][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9314.082751][ T73] inet6_addr_add+0x4f8/0xa40 [ 9314.082751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9314.082751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.082751][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.082751][ T73] netlink_unicast+0x449/0x710 [ 9314.082751][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.082751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.082751][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.082751][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.082751][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.082751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.082751][ T73] [ 9314.084736][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9314.084736][ T73] netdev_get_by_index+0x5e/0x80 [ 9314.084736][ T73] fib6_nh_init+0x3d8/0x1580 [ 9314.084736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9314.084736][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9314.084736][ T73] ipv6_add_addr+0x411/0x2000 [ 9314.084736][ T73] inet6_addr_add+0x30e/0xa40 [ 9314.084736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9314.084736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.084736][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.084736][ T73] netlink_unicast+0x449/0x710 [ 9314.084736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.084736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.084736][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.084736][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.084736][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.084736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.084736][ T73] [ 9314.086715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9314.086715][ T73] netdev_get_by_index+0x5e/0x80 [ 9314.086715][ T73] fib6_nh_init+0x3d8/0x1580 [ 9314.086715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9314.086715][ T73] ip6_route_add+0x1c/0x140 [ 9314.086715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9314.086715][ T73] addrconf_add_dev+0xe2/0x170 [ 9314.086715][ T73] inet6_addr_add+0x12f/0xa40 [ 9314.086715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9314.086715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.086715][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.086715][ T73] netlink_unicast+0x449/0x710 [ 9314.086715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.086715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.086715][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.086715][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.086715][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.086715][ T73] [ 9314.088656][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9314.088656][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9314.088656][ T73] ipv6_find_idev+0x102/0x170 [ 9314.088656][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9314.088656][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.088656][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.088656][ T73] netlink_unicast+0x449/0x710 [ 9314.088656][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.088656][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.088656][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.088656][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.088656][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.088656][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.088656][ T73] [ 9314.090182][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9314.090182][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9314.090182][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9314.090182][ T73] ipv6_find_idev+0x102/0x170 [ 9314.090182][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9314.090182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9314.090182][ T73] netlink_rcv_skb+0x130/0x360 [ 9314.090182][ T73] netlink_unicast+0x449/0x710 [ 9314.090182][ T73] netlink_sendmsg+0x723/0xbe0 [ 9314.090182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9314.090182][ T73] ___sys_sendmsg+0xee/0x170 [ 9314.090182][ T73] __sys_sendmsg+0xcd/0x170 [ 9314.090182][ T73] do_syscall_64+0xc6/0x1e0 [ 9314.090182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9314.090182][ T73] [ 9320.605701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9320.606193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9320.606193][ T1076] netdev_get_by_index+0x5e/0x80 [ 9320.606193][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9320.606193][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9320.606193][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9320.606193][ T1076] ipv6_add_addr+0x411/0x2000 [ 9320.606193][ T1076] inet6_addr_add+0x30e/0xa40 [ 9320.606193][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9320.606193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.606193][ T1076] netlink_rcv_skb+0x130/0x360 [ 9320.606193][ T1076] netlink_unicast+0x449/0x710 [ 9320.606193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9320.606193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9320.606193][ T1076] ___sys_sendmsg+0xee/0x170 [ 9320.606193][ T1076] __sys_sendmsg+0xcd/0x170 [ 9320.606193][ T1076] do_syscall_64+0xc6/0x1e0 [ 9320.606193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.606193][ T1076] [ 9320.608473][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9320.608473][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9320.608473][ T1076] ipv6_find_idev+0x102/0x170 [ 9320.608473][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.608473][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.608473][ T1076] netlink_rcv_skb+0x130/0x360 [ 9320.608473][ T1076] netlink_unicast+0x449/0x710 [ 9320.608473][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9320.608473][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9320.608473][ T1076] ___sys_sendmsg+0xee/0x170 [ 9320.608473][ T1076] __sys_sendmsg+0xcd/0x170 [ 9320.608473][ T1076] do_syscall_64+0xc6/0x1e0 [ 9320.608473][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.608473][ T1076] [ 9320.610233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9320.610233][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9320.610233][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9320.610233][ T1076] ipv6_find_idev+0x102/0x170 [ 9320.610233][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9320.610233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9320.610233][ T1076] netlink_rcv_skb+0x130/0x360 [ 9320.610233][ T1076] netlink_unicast+0x449/0x710 [ 9320.610233][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9320.610233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9320.610233][ T1076] ___sys_sendmsg+0xee/0x170 [ 9320.610233][ T1076] __sys_sendmsg+0xcd/0x170 [ 9320.610233][ T1076] do_syscall_64+0xc6/0x1e0 [ 9320.610233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9320.610233][ T1076] [ 9324.189735][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9324.190138][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9324.190138][ T73] dst_init+0x84/0x4a0 [ 9324.190138][ T73] dst_alloc+0x97/0x150 [ 9324.190138][ T73] ip6_dst_alloc+0x23/0x90 [ 9324.190138][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9324.190138][ T73] ip6_pol_route+0x56f/0x840 [ 9324.190138][ T73] fib6_rule_lookup+0x456/0x630 [ 9324.190138][ T73] ip6_route_input+0x59c/0xa50 [ 9324.190138][ T73] ipv6_rcv+0x397/0x810 [ 9324.190138][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9324.190138][ T73] process_backlog+0x101/0x620 [ 9324.190138][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9324.190138][ T73] net_rx_action+0x495/0xbe0 [ 9324.190138][ T73] __do_softirq+0x1b5/0x7f6 [ 9324.190138][ T73] [ 9324.191784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9324.191784][ T73] netdev_get_by_index+0x5e/0x80 [ 9324.191784][ T73] fib6_nh_init+0x3d8/0x1580 [ 9324.191784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9324.191784][ T73] ip6_route_add+0x1c/0x140 [ 9324.191784][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9324.191784][ T73] inet6_addr_add+0x4f8/0xa40 [ 9324.191784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9324.191784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.191784][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.191784][ T73] netlink_unicast+0x449/0x710 [ 9324.191784][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.191784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.191784][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.191784][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.191784][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.191784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.191784][ T73] [ 9324.193776][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9324.193776][ T73] netdev_get_by_index+0x5e/0x80 [ 9324.193776][ T73] fib6_nh_init+0x3d8/0x1580 [ 9324.193776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9324.193776][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9324.193776][ T73] ipv6_add_addr+0x411/0x2000 [ 9324.193776][ T73] inet6_addr_add+0x30e/0xa40 [ 9324.193776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9324.193776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.193776][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.193776][ T73] netlink_unicast+0x449/0x710 [ 9324.193776][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.193776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.193776][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.193776][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.193776][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.193776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.193776][ T73] [ 9324.195761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9324.195761][ T73] netdev_get_by_index+0x5e/0x80 [ 9324.195761][ T73] fib6_nh_init+0x3d8/0x1580 [ 9324.195761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9324.195761][ T73] ip6_route_add+0x1c/0x140 [ 9324.195761][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9324.195761][ T73] addrconf_add_dev+0xe2/0x170 [ 9324.195761][ T73] inet6_addr_add+0x12f/0xa40 [ 9324.195761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9324.195761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.195761][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.195761][ T73] netlink_unicast+0x449/0x710 [ 9324.195761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.195761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.195761][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.195761][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.195761][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.195761][ T73] [ 9324.197701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9324.197701][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9324.197701][ T73] ipv6_find_idev+0x102/0x170 [ 9324.197701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9324.197701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.197701][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.197701][ T73] netlink_unicast+0x449/0x710 [ 9324.197701][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.197701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.197701][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.197701][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.197701][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.197701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.197701][ T73] [ 9324.199238][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9324.199238][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9324.199238][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9324.199238][ T73] ipv6_find_idev+0x102/0x170 [ 9324.199238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9324.199238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.199238][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.199238][ T73] netlink_unicast+0x449/0x710 [ 9324.199238][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.199238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.199238][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.199238][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.199238][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.199238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.199238][ T73] [ 9324.200917][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9324.201152][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9324.201152][ T73] dst_init+0x84/0x4a0 [ 9324.201152][ T73] dst_alloc+0x97/0x150 [ 9324.201152][ T73] ip6_dst_alloc+0x23/0x90 [ 9324.201152][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9324.201152][ T73] ip6_pol_route+0x56f/0x840 [ 9324.201152][ T73] fib6_rule_lookup+0x456/0x630 [ 9324.201152][ T73] ip6_route_input+0x59c/0xa50 [ 9324.201152][ T73] ipv6_rcv+0x397/0x810 [ 9324.201152][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9324.201152][ T73] process_backlog+0x101/0x620 [ 9324.201152][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9324.201152][ T73] net_rx_action+0x495/0xbe0 [ 9324.201152][ T73] __do_softirq+0x1b5/0x7f6 [ 9324.201152][ T73] [ 9324.202774][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9324.202774][ T73] netdev_get_by_index+0x5e/0x80 [ 9324.202774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9324.202774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9324.202774][ T73] ip6_route_add+0x1c/0x140 [ 9324.202774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9324.202774][ T73] inet6_addr_add+0x4f8/0xa40 [ 9324.202774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9324.202774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.202774][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.202774][ T73] netlink_unicast+0x449/0x710 [ 9324.202774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.202774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.202774][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.202774][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.202774][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.202774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.202774][ T73] [ 9324.204751][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9324.204751][ T73] netdev_get_by_index+0x5e/0x80 [ 9324.204751][ T73] fib6_nh_init+0x3d8/0x1580 [ 9324.204751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9324.204751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9324.204751][ T73] ipv6_add_addr+0x411/0x2000 [ 9324.204751][ T73] inet6_addr_add+0x30e/0xa40 [ 9324.204751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9324.204751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.204751][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.204751][ T73] netlink_unicast+0x449/0x710 [ 9324.204751][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.204751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.204751][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.204751][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.204751][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.204751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.204751][ T73] [ 9324.206725][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9324.206725][ T73] netdev_get_by_index+0x5e/0x80 [ 9324.206725][ T73] fib6_nh_init+0x3d8/0x1580 [ 9324.206725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9324.206725][ T73] ip6_route_add+0x1c/0x140 [ 9324.206725][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9324.206725][ T73] addrconf_add_dev+0xe2/0x170 [ 9324.206725][ T73] inet6_addr_add+0x12f/0xa40 [ 9324.206725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9324.206725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.206725][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.206725][ T73] netlink_unicast+0x449/0x710 [ 9324.206725][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.206725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.206725][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.206725][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.206725][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.206725][ T73] [ 9324.208671][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9324.208671][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9324.208671][ T73] ipv6_find_idev+0x102/0x170 [ 9324.208671][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9324.208671][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.208671][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.208671][ T73] netlink_unicast+0x449/0x710 [ 9324.208671][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.208671][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.208671][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.208671][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.208671][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.208671][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.208671][ T73] [ 9324.210211][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9324.210211][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9324.210211][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9324.210211][ T73] ipv6_find_idev+0x102/0x170 [ 9324.210211][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9324.210211][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9324.210211][ T73] netlink_rcv_skb+0x130/0x360 [ 9324.210211][ T73] netlink_unicast+0x449/0x710 [ 9324.210211][ T73] netlink_sendmsg+0x723/0xbe0 [ 9324.210211][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9324.210211][ T73] ___sys_sendmsg+0xee/0x170 [ 9324.210211][ T73] __sys_sendmsg+0xcd/0x170 [ 9324.210211][ T73] do_syscall_64+0xc6/0x1e0 [ 9324.210211][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9324.210211][ T73] [ 9330.853704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9330.854200][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9330.854200][ T1076] netdev_get_by_index+0x5e/0x80 [ 9330.854200][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9330.854200][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9330.854200][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9330.854200][ T1076] ipv6_add_addr+0x411/0x2000 [ 9330.854200][ T1076] inet6_addr_add+0x30e/0xa40 [ 9330.854200][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9330.854200][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.854200][ T1076] netlink_rcv_skb+0x130/0x360 [ 9330.854200][ T1076] netlink_unicast+0x449/0x710 [ 9330.854200][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9330.854200][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9330.854200][ T1076] ___sys_sendmsg+0xee/0x170 [ 9330.854200][ T1076] __sys_sendmsg+0xcd/0x170 [ 9330.854200][ T1076] do_syscall_64+0xc6/0x1e0 [ 9330.854200][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.854200][ T1076] [ 9330.856476][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9330.856476][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9330.856476][ T1076] ipv6_find_idev+0x102/0x170 [ 9330.856476][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.856476][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.856476][ T1076] netlink_rcv_skb+0x130/0x360 [ 9330.856476][ T1076] netlink_unicast+0x449/0x710 [ 9330.856476][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9330.856476][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9330.856476][ T1076] ___sys_sendmsg+0xee/0x170 [ 9330.856476][ T1076] __sys_sendmsg+0xcd/0x170 [ 9330.856476][ T1076] do_syscall_64+0xc6/0x1e0 [ 9330.856476][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.856476][ T1076] [ 9330.858219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9330.858219][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9330.858219][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9330.858219][ T1076] ipv6_find_idev+0x102/0x170 [ 9330.858219][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9330.858219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9330.858219][ T1076] netlink_rcv_skb+0x130/0x360 [ 9330.858219][ T1076] netlink_unicast+0x449/0x710 [ 9330.858219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9330.858219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9330.858219][ T1076] ___sys_sendmsg+0xee/0x170 [ 9330.858219][ T1076] __sys_sendmsg+0xcd/0x170 [ 9330.858219][ T1076] do_syscall_64+0xc6/0x1e0 [ 9330.858219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9330.858219][ T1076] [ 9334.397725][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9334.398120][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9334.398120][ T73] dst_init+0x84/0x4a0 [ 9334.398120][ T73] dst_alloc+0x97/0x150 [ 9334.398120][ T73] ip6_dst_alloc+0x23/0x90 [ 9334.398120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9334.398120][ T73] ip6_pol_route+0x56f/0x840 [ 9334.398120][ T73] fib6_rule_lookup+0x456/0x630 [ 9334.398120][ T73] ip6_route_input+0x59c/0xa50 [ 9334.398120][ T73] ipv6_rcv+0x397/0x810 [ 9334.398120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9334.398120][ T73] process_backlog+0x101/0x620 [ 9334.398120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9334.398120][ T73] net_rx_action+0x495/0xbe0 [ 9334.398120][ T73] __do_softirq+0x1b5/0x7f6 [ 9334.398120][ T73] [ 9334.399769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9334.399769][ T73] netdev_get_by_index+0x5e/0x80 [ 9334.399769][ T73] fib6_nh_init+0x3d8/0x1580 [ 9334.399769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9334.399769][ T73] ip6_route_add+0x1c/0x140 [ 9334.399769][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9334.399769][ T73] inet6_addr_add+0x4f8/0xa40 [ 9334.399769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9334.399769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.399769][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.399769][ T73] netlink_unicast+0x449/0x710 [ 9334.399769][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.399769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.399769][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.399769][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.399769][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.399769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.399769][ T73] [ 9334.401802][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9334.401802][ T73] netdev_get_by_index+0x5e/0x80 [ 9334.401802][ T73] fib6_nh_init+0x3d8/0x1580 [ 9334.401802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9334.401802][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9334.401802][ T73] ipv6_add_addr+0x411/0x2000 [ 9334.401802][ T73] inet6_addr_add+0x30e/0xa40 [ 9334.401802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9334.401802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.401802][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.401802][ T73] netlink_unicast+0x449/0x710 [ 9334.401802][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.401802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.401802][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.401802][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.401802][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.401802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.401802][ T73] [ 9334.403784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9334.403784][ T73] netdev_get_by_index+0x5e/0x80 [ 9334.403784][ T73] fib6_nh_init+0x3d8/0x1580 [ 9334.403784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9334.403784][ T73] ip6_route_add+0x1c/0x140 [ 9334.403784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9334.403784][ T73] addrconf_add_dev+0xe2/0x170 [ 9334.403784][ T73] inet6_addr_add+0x12f/0xa40 [ 9334.403784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9334.403784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.403784][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.403784][ T73] netlink_unicast+0x449/0x710 [ 9334.403784][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.403784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.403784][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.403784][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.403784][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.403784][ T73] [ 9334.405728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9334.405728][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9334.405728][ T73] ipv6_find_idev+0x102/0x170 [ 9334.405728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9334.405728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.405728][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.405728][ T73] netlink_unicast+0x449/0x710 [ 9334.405728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.405728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.405728][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.405728][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.405728][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.405728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.405728][ T73] [ 9334.407256][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9334.407256][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9334.407256][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9334.407256][ T73] ipv6_find_idev+0x102/0x170 [ 9334.407256][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9334.407256][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.407256][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.407256][ T73] netlink_unicast+0x449/0x710 [ 9334.407256][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.407256][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.407256][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.407256][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.407256][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.407256][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.407256][ T73] [ 9334.408941][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9334.409183][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9334.409183][ T73] dst_init+0x84/0x4a0 [ 9334.409183][ T73] dst_alloc+0x97/0x150 [ 9334.409183][ T73] ip6_dst_alloc+0x23/0x90 [ 9334.409183][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9334.409183][ T73] ip6_pol_route+0x56f/0x840 [ 9334.409183][ T73] fib6_rule_lookup+0x456/0x630 [ 9334.409183][ T73] ip6_route_input+0x59c/0xa50 [ 9334.409183][ T73] ipv6_rcv+0x397/0x810 [ 9334.409183][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9334.409183][ T73] process_backlog+0x101/0x620 [ 9334.409183][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9334.409183][ T73] net_rx_action+0x495/0xbe0 [ 9334.409183][ T73] __do_softirq+0x1b5/0x7f6 [ 9334.409183][ T73] [ 9334.410808][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9334.410808][ T73] netdev_get_by_index+0x5e/0x80 [ 9334.410808][ T73] fib6_nh_init+0x3d8/0x1580 [ 9334.410808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9334.410808][ T73] ip6_route_add+0x1c/0x140 [ 9334.410808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9334.410808][ T73] inet6_addr_add+0x4f8/0xa40 [ 9334.410808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9334.410808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.410808][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.410808][ T73] netlink_unicast+0x449/0x710 [ 9334.410808][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.410808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.410808][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.410808][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.410808][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.410808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.410808][ T73] [ 9334.412781][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9334.412781][ T73] netdev_get_by_index+0x5e/0x80 [ 9334.412781][ T73] fib6_nh_init+0x3d8/0x1580 [ 9334.412781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9334.412781][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9334.412781][ T73] ipv6_add_addr+0x411/0x2000 [ 9334.412781][ T73] inet6_addr_add+0x30e/0xa40 [ 9334.412781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9334.412781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.412781][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.412781][ T73] netlink_unicast+0x449/0x710 [ 9334.412781][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.412781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.412781][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.412781][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.412781][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.412781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.412781][ T73] [ 9334.414764][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9334.414764][ T73] netdev_get_by_index+0x5e/0x80 [ 9334.414764][ T73] fib6_nh_init+0x3d8/0x1580 [ 9334.414764][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9334.414764][ T73] ip6_route_add+0x1c/0x140 [ 9334.414764][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9334.414764][ T73] addrconf_add_dev+0xe2/0x170 [ 9334.414764][ T73] inet6_addr_add+0x12f/0xa40 [ 9334.414764][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9334.414764][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.414764][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.414764][ T73] netlink_unicast+0x449/0x710 [ 9334.414764][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.414764][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.414764][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.414764][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.414764][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.414764][ T73] [ 9334.416717][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9334.416717][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9334.416717][ T73] ipv6_find_idev+0x102/0x170 [ 9334.416717][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9334.416717][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.416717][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.416717][ T73] netlink_unicast+0x449/0x710 [ 9334.416717][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.416717][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.416717][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.416717][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.416717][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.416717][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.416717][ T73] [ 9334.418236][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9334.418236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9334.418236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9334.418236][ T73] ipv6_find_idev+0x102/0x170 [ 9334.418236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9334.418236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9334.418236][ T73] netlink_rcv_skb+0x130/0x360 [ 9334.418236][ T73] netlink_unicast+0x449/0x710 [ 9334.418236][ T73] netlink_sendmsg+0x723/0xbe0 [ 9334.418236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9334.418236][ T73] ___sys_sendmsg+0xee/0x170 [ 9334.418236][ T73] __sys_sendmsg+0xcd/0x170 [ 9334.418236][ T73] do_syscall_64+0xc6/0x1e0 [ 9334.418236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9334.418236][ T73] [ 9341.053723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9341.054201][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9341.054201][ T1076] netdev_get_by_index+0x5e/0x80 [ 9341.054201][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9341.054201][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9341.054201][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9341.054201][ T1076] ipv6_add_addr+0x411/0x2000 [ 9341.054201][ T1076] inet6_addr_add+0x30e/0xa40 [ 9341.054201][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9341.054201][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.054201][ T1076] netlink_rcv_skb+0x130/0x360 [ 9341.054201][ T1076] netlink_unicast+0x449/0x710 [ 9341.054201][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9341.054201][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9341.054201][ T1076] ___sys_sendmsg+0xee/0x170 [ 9341.054201][ T1076] __sys_sendmsg+0xcd/0x170 [ 9341.054201][ T1076] do_syscall_64+0xc6/0x1e0 [ 9341.054201][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.054201][ T1076] [ 9341.056454][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9341.056454][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9341.056454][ T1076] ipv6_find_idev+0x102/0x170 [ 9341.056454][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.056454][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.056454][ T1076] netlink_rcv_skb+0x130/0x360 [ 9341.056454][ T1076] netlink_unicast+0x449/0x710 [ 9341.056454][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9341.056454][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9341.056454][ T1076] ___sys_sendmsg+0xee/0x170 [ 9341.056454][ T1076] __sys_sendmsg+0xcd/0x170 [ 9341.056454][ T1076] do_syscall_64+0xc6/0x1e0 [ 9341.056454][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.056454][ T1076] [ 9341.058181][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9341.058181][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9341.058181][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9341.058181][ T1076] ipv6_find_idev+0x102/0x170 [ 9341.058181][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9341.058181][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9341.058181][ T1076] netlink_rcv_skb+0x130/0x360 [ 9341.058181][ T1076] netlink_unicast+0x449/0x710 [ 9341.058181][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9341.058181][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9341.058181][ T1076] ___sys_sendmsg+0xee/0x170 [ 9341.058181][ T1076] __sys_sendmsg+0xcd/0x170 [ 9341.058181][ T1076] do_syscall_64+0xc6/0x1e0 [ 9341.058181][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9341.058181][ T1076] [ 9344.661698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9344.662082][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9344.662082][ T73] dst_init+0x84/0x4a0 [ 9344.662082][ T73] dst_alloc+0x97/0x150 [ 9344.662082][ T73] ip6_dst_alloc+0x23/0x90 [ 9344.662082][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9344.662082][ T73] ip6_pol_route+0x56f/0x840 [ 9344.662082][ T73] fib6_rule_lookup+0x456/0x630 [ 9344.662082][ T73] ip6_route_input+0x59c/0xa50 [ 9344.662082][ T73] ipv6_rcv+0x397/0x810 [ 9344.662082][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9344.662082][ T73] process_backlog+0x101/0x620 [ 9344.662082][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9344.662082][ T73] net_rx_action+0x495/0xbe0 [ 9344.662082][ T73] __do_softirq+0x1b5/0x7f6 [ 9344.662082][ T73] [ 9344.663727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9344.663727][ T73] netdev_get_by_index+0x5e/0x80 [ 9344.663727][ T73] fib6_nh_init+0x3d8/0x1580 [ 9344.663727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9344.663727][ T73] ip6_route_add+0x1c/0x140 [ 9344.663727][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9344.663727][ T73] inet6_addr_add+0x4f8/0xa40 [ 9344.663727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9344.663727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.663727][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.663727][ T73] netlink_unicast+0x449/0x710 [ 9344.663727][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.663727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.663727][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.663727][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.663727][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.663727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.663727][ T73] [ 9344.665709][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9344.665709][ T73] netdev_get_by_index+0x5e/0x80 [ 9344.665709][ T73] fib6_nh_init+0x3d8/0x1580 [ 9344.665709][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9344.665709][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9344.665709][ T73] ipv6_add_addr+0x411/0x2000 [ 9344.665709][ T73] inet6_addr_add+0x30e/0xa40 [ 9344.665709][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9344.665709][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.665709][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.665709][ T73] netlink_unicast+0x449/0x710 [ 9344.665709][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.665709][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.665709][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.665709][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.665709][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.665709][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.665709][ T73] [ 9344.667783][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9344.667783][ T73] netdev_get_by_index+0x5e/0x80 [ 9344.667783][ T73] fib6_nh_init+0x3d8/0x1580 [ 9344.667783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9344.667783][ T73] ip6_route_add+0x1c/0x140 [ 9344.667783][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9344.667783][ T73] addrconf_add_dev+0xe2/0x170 [ 9344.667783][ T73] inet6_addr_add+0x12f/0xa40 [ 9344.667783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9344.667783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.667783][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.667783][ T73] netlink_unicast+0x449/0x710 [ 9344.667783][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.667783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.667783][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.667783][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.667783][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.667783][ T73] [ 9344.669736][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9344.669736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9344.669736][ T73] ipv6_find_idev+0x102/0x170 [ 9344.669736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9344.669736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.669736][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.669736][ T73] netlink_unicast+0x449/0x710 [ 9344.669736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.669736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.669736][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.669736][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.669736][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.669736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.669736][ T73] [ 9344.671803][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9344.671803][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9344.671803][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9344.671803][ T73] ipv6_find_idev+0x102/0x170 [ 9344.671803][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9344.671803][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.671803][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.671803][ T73] netlink_unicast+0x449/0x710 [ 9344.671803][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.671803][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.671803][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.671803][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.671803][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.671803][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.671803][ T73] [ 9344.673473][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9344.673724][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9344.673724][ T73] dst_init+0x84/0x4a0 [ 9344.673724][ T73] dst_alloc+0x97/0x150 [ 9344.673724][ T73] ip6_dst_alloc+0x23/0x90 [ 9344.673724][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9344.673724][ T73] ip6_pol_route+0x56f/0x840 [ 9344.673724][ T73] fib6_rule_lookup+0x456/0x630 [ 9344.673724][ T73] ip6_route_input+0x59c/0xa50 [ 9344.673724][ T73] ipv6_rcv+0x397/0x810 [ 9344.673724][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9344.673724][ T73] process_backlog+0x101/0x620 [ 9344.673724][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9344.673724][ T73] net_rx_action+0x495/0xbe0 [ 9344.673724][ T73] __do_softirq+0x1b5/0x7f6 [ 9344.673724][ T73] [ 9344.675742][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9344.675742][ T73] netdev_get_by_index+0x5e/0x80 [ 9344.675742][ T73] fib6_nh_init+0x3d8/0x1580 [ 9344.675742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9344.675742][ T73] ip6_route_add+0x1c/0x140 [ 9344.675742][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9344.675742][ T73] inet6_addr_add+0x4f8/0xa40 [ 9344.675742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9344.675742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.675742][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.675742][ T73] netlink_unicast+0x449/0x710 [ 9344.675742][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.675742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.675742][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.675742][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.675742][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.675742][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.675742][ T73] [ 9344.677749][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9344.677749][ T73] netdev_get_by_index+0x5e/0x80 [ 9344.677749][ T73] fib6_nh_init+0x3d8/0x1580 [ 9344.677749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9344.677749][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9344.677749][ T73] ipv6_add_addr+0x411/0x2000 [ 9344.677749][ T73] inet6_addr_add+0x30e/0xa40 [ 9344.677749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9344.677749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.677749][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.677749][ T73] netlink_unicast+0x449/0x710 [ 9344.677749][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.677749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.677749][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.677749][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.677749][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.677749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.677749][ T73] [ 9344.679740][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9344.679740][ T73] netdev_get_by_index+0x5e/0x80 [ 9344.679740][ T73] fib6_nh_init+0x3d8/0x1580 [ 9344.679740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9344.679740][ T73] ip6_route_add+0x1c/0x140 [ 9344.679740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9344.679740][ T73] addrconf_add_dev+0xe2/0x170 [ 9344.679740][ T73] inet6_addr_add+0x12f/0xa40 [ 9344.679740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9344.679740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.679740][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.679740][ T73] netlink_unicast+0x449/0x710 [ 9344.679740][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.679740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.679740][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.679740][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.679740][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.679740][ T73] [ 9344.681696][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9344.681696][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9344.681696][ T73] ipv6_find_idev+0x102/0x170 [ 9344.681696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9344.681696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.681696][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.681696][ T73] netlink_unicast+0x449/0x710 [ 9344.681696][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.681696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.681696][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.681696][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.681696][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.681696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.681696][ T73] [ 9344.683228][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9344.683228][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9344.683228][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9344.683228][ T73] ipv6_find_idev+0x102/0x170 [ 9344.683228][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9344.683228][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9344.683228][ T73] netlink_rcv_skb+0x130/0x360 [ 9344.683228][ T73] netlink_unicast+0x449/0x710 [ 9344.683228][ T73] netlink_sendmsg+0x723/0xbe0 [ 9344.683228][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9344.683228][ T73] ___sys_sendmsg+0xee/0x170 [ 9344.683228][ T73] __sys_sendmsg+0xcd/0x170 [ 9344.683228][ T73] do_syscall_64+0xc6/0x1e0 [ 9344.683228][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9344.683228][ T73] [ 9351.101648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9351.102130][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9351.102130][ T1076] netdev_get_by_index+0x5e/0x80 [ 9351.102130][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9351.102130][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9351.102130][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9351.102130][ T1076] ipv6_add_addr+0x411/0x2000 [ 9351.102130][ T1076] inet6_addr_add+0x30e/0xa40 [ 9351.102130][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9351.102130][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.102130][ T1076] netlink_rcv_skb+0x130/0x360 [ 9351.102130][ T1076] netlink_unicast+0x449/0x710 [ 9351.102130][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9351.102130][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9351.102130][ T1076] ___sys_sendmsg+0xee/0x170 [ 9351.102130][ T1076] __sys_sendmsg+0xcd/0x170 [ 9351.102130][ T1076] do_syscall_64+0xc6/0x1e0 [ 9351.102130][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.102130][ T1076] [ 9351.104386][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9351.104386][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9351.104386][ T1076] ipv6_find_idev+0x102/0x170 [ 9351.104386][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.104386][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.104386][ T1076] netlink_rcv_skb+0x130/0x360 [ 9351.104386][ T1076] netlink_unicast+0x449/0x710 [ 9351.104386][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9351.104386][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9351.104386][ T1076] ___sys_sendmsg+0xee/0x170 [ 9351.104386][ T1076] __sys_sendmsg+0xcd/0x170 [ 9351.104386][ T1076] do_syscall_64+0xc6/0x1e0 [ 9351.104386][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.104386][ T1076] [ 9351.107006][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9351.107006][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9351.107006][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9351.107006][ T1076] ipv6_find_idev+0x102/0x170 [ 9351.107006][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9351.107006][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9351.107006][ T1076] netlink_rcv_skb+0x130/0x360 [ 9351.107006][ T1076] netlink_unicast+0x449/0x710 [ 9351.107006][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9351.107006][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9351.107006][ T1076] ___sys_sendmsg+0xee/0x170 [ 9351.107006][ T1076] __sys_sendmsg+0xcd/0x170 [ 9351.107006][ T1076] do_syscall_64+0xc6/0x1e0 [ 9351.107006][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9351.107006][ T1076] [ 9354.685708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9354.686123][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9354.686123][ T73] dst_init+0x84/0x4a0 [ 9354.686123][ T73] dst_alloc+0x97/0x150 [ 9354.686123][ T73] ip6_dst_alloc+0x23/0x90 [ 9354.686123][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9354.686123][ T73] ip6_pol_route+0x56f/0x840 [ 9354.686123][ T73] fib6_rule_lookup+0x456/0x630 [ 9354.686123][ T73] ip6_route_input+0x59c/0xa50 [ 9354.686123][ T73] ipv6_rcv+0x397/0x810 [ 9354.686123][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9354.686123][ T73] process_backlog+0x101/0x620 [ 9354.686123][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9354.686123][ T73] net_rx_action+0x495/0xbe0 [ 9354.686123][ T73] __do_softirq+0x1b5/0x7f6 [ 9354.686123][ T73] [ 9354.687795][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9354.687795][ T73] netdev_get_by_index+0x5e/0x80 [ 9354.687795][ T73] fib6_nh_init+0x3d8/0x1580 [ 9354.687795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9354.687795][ T73] ip6_route_add+0x1c/0x140 [ 9354.687795][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9354.687795][ T73] inet6_addr_add+0x4f8/0xa40 [ 9354.687795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9354.687795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.687795][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.687795][ T73] netlink_unicast+0x449/0x710 [ 9354.687795][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.687795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.687795][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.687795][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.687795][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.687795][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.687795][ T73] [ 9354.689812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9354.689812][ T73] netdev_get_by_index+0x5e/0x80 [ 9354.689812][ T73] fib6_nh_init+0x3d8/0x1580 [ 9354.689812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9354.689812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9354.689812][ T73] ipv6_add_addr+0x411/0x2000 [ 9354.689812][ T73] inet6_addr_add+0x30e/0xa40 [ 9354.689812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9354.689812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.689812][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.689812][ T73] netlink_unicast+0x449/0x710 [ 9354.689812][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.689812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.689812][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.689812][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.689812][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.689812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.689812][ T73] [ 9354.691826][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9354.691826][ T73] netdev_get_by_index+0x5e/0x80 [ 9354.691826][ T73] fib6_nh_init+0x3d8/0x1580 [ 9354.691826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9354.691826][ T73] ip6_route_add+0x1c/0x140 [ 9354.691826][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9354.691826][ T73] addrconf_add_dev+0xe2/0x170 [ 9354.691826][ T73] inet6_addr_add+0x12f/0xa40 [ 9354.691826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9354.691826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.691826][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.691826][ T73] netlink_unicast+0x449/0x710 [ 9354.691826][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.691826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.691826][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.691826][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.691826][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.691826][ T73] [ 9354.693802][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9354.693802][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9354.693802][ T73] ipv6_find_idev+0x102/0x170 [ 9354.693802][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9354.693802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.693802][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.693802][ T73] netlink_unicast+0x449/0x710 [ 9354.693802][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.693802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.693802][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.693802][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.693802][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.693802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.693802][ T73] [ 9354.695353][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9354.695353][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9354.695353][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9354.695353][ T73] ipv6_find_idev+0x102/0x170 [ 9354.695353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9354.695353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.695353][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.695353][ T73] netlink_unicast+0x449/0x710 [ 9354.695353][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.695353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.695353][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.695353][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.695353][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.695353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.695353][ T73] [ 9354.697068][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9354.697310][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9354.697310][ T73] dst_init+0x84/0x4a0 [ 9354.697310][ T73] dst_alloc+0x97/0x150 [ 9354.697310][ T73] ip6_dst_alloc+0x23/0x90 [ 9354.697310][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9354.697310][ T73] ip6_pol_route+0x56f/0x840 [ 9354.697310][ T73] fib6_rule_lookup+0x456/0x630 [ 9354.697310][ T73] ip6_route_input+0x59c/0xa50 [ 9354.697310][ T73] ipv6_rcv+0x397/0x810 [ 9354.697310][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9354.697310][ T73] process_backlog+0x101/0x620 [ 9354.697310][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9354.697310][ T73] net_rx_action+0x495/0xbe0 [ 9354.697310][ T73] __do_softirq+0x1b5/0x7f6 [ 9354.697310][ T73] [ 9354.698959][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9354.698959][ T73] netdev_get_by_index+0x5e/0x80 [ 9354.698959][ T73] fib6_nh_init+0x3d8/0x1580 [ 9354.698959][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9354.698959][ T73] ip6_route_add+0x1c/0x140 [ 9354.698959][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9354.698959][ T73] inet6_addr_add+0x4f8/0xa40 [ 9354.698959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9354.698959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.698959][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.698959][ T73] netlink_unicast+0x449/0x710 [ 9354.698959][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.698959][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.698959][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.698959][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.698959][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.698959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.698959][ T73] [ 9354.701127][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9354.701127][ T73] netdev_get_by_index+0x5e/0x80 [ 9354.701127][ T73] fib6_nh_init+0x3d8/0x1580 [ 9354.701127][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9354.701127][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9354.701127][ T73] ipv6_add_addr+0x411/0x2000 [ 9354.701127][ T73] inet6_addr_add+0x30e/0xa40 [ 9354.701127][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9354.701127][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.701127][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.701127][ T73] netlink_unicast+0x449/0x710 [ 9354.701127][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.701127][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.701127][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.701127][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.701127][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.701127][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.701127][ T73] [ 9354.703163][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9354.703163][ T73] netdev_get_by_index+0x5e/0x80 [ 9354.703163][ T73] fib6_nh_init+0x3d8/0x1580 [ 9354.703163][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9354.703163][ T73] ip6_route_add+0x1c/0x140 [ 9354.703163][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9354.703163][ T73] addrconf_add_dev+0xe2/0x170 [ 9354.703163][ T73] inet6_addr_add+0x12f/0xa40 [ 9354.703163][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9354.703163][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.703163][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.703163][ T73] netlink_unicast+0x449/0x710 [ 9354.703163][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.703163][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.703163][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.703163][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.703163][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.703163][ T73] [ 9354.705147][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9354.705147][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9354.705147][ T73] ipv6_find_idev+0x102/0x170 [ 9354.705147][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9354.705147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.705147][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.705147][ T73] netlink_unicast+0x449/0x710 [ 9354.705147][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.705147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.705147][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.705147][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.705147][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.705147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.705147][ T73] [ 9354.706704][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9354.706704][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9354.706704][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9354.706704][ T73] ipv6_find_idev+0x102/0x170 [ 9354.706704][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9354.706704][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9354.706704][ T73] netlink_rcv_skb+0x130/0x360 [ 9354.706704][ T73] netlink_unicast+0x449/0x710 [ 9354.706704][ T73] netlink_sendmsg+0x723/0xbe0 [ 9354.706704][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9354.706704][ T73] ___sys_sendmsg+0xee/0x170 [ 9354.706704][ T73] __sys_sendmsg+0xcd/0x170 [ 9354.706704][ T73] do_syscall_64+0xc6/0x1e0 [ 9354.706704][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9354.706704][ T73] [ 9361.349641][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9361.350206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9361.350206][ T1076] netdev_get_by_index+0x5e/0x80 [ 9361.350206][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9361.350206][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9361.350206][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9361.350206][ T1076] ipv6_add_addr+0x411/0x2000 [ 9361.350206][ T1076] inet6_addr_add+0x30e/0xa40 [ 9361.350206][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9361.350206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.350206][ T1076] netlink_rcv_skb+0x130/0x360 [ 9361.350206][ T1076] netlink_unicast+0x449/0x710 [ 9361.350206][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9361.350206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9361.350206][ T1076] ___sys_sendmsg+0xee/0x170 [ 9361.350206][ T1076] __sys_sendmsg+0xcd/0x170 [ 9361.350206][ T1076] do_syscall_64+0xc6/0x1e0 [ 9361.350206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.350206][ T1076] [ 9361.352495][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9361.352495][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9361.352495][ T1076] ipv6_find_idev+0x102/0x170 [ 9361.352495][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.352495][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.352495][ T1076] netlink_rcv_skb+0x130/0x360 [ 9361.352495][ T1076] netlink_unicast+0x449/0x710 [ 9361.352495][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9361.352495][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9361.352495][ T1076] ___sys_sendmsg+0xee/0x170 [ 9361.352495][ T1076] __sys_sendmsg+0xcd/0x170 [ 9361.352495][ T1076] do_syscall_64+0xc6/0x1e0 [ 9361.352495][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.352495][ T1076] [ 9361.354248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9361.354248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9361.354248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9361.354248][ T1076] ipv6_find_idev+0x102/0x170 [ 9361.354248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9361.354248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9361.354248][ T1076] netlink_rcv_skb+0x130/0x360 [ 9361.354248][ T1076] netlink_unicast+0x449/0x710 [ 9361.354248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9361.354248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9361.354248][ T1076] ___sys_sendmsg+0xee/0x170 [ 9361.354248][ T1076] __sys_sendmsg+0xcd/0x170 [ 9361.354248][ T1076] do_syscall_64+0xc6/0x1e0 [ 9361.354248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9361.354248][ T1076] [ 9364.757717][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9364.758118][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9364.758118][ T73] dst_init+0x84/0x4a0 [ 9364.758118][ T73] dst_alloc+0x97/0x150 [ 9364.758118][ T73] ip6_dst_alloc+0x23/0x90 [ 9364.758118][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9364.758118][ T73] ip6_pol_route+0x56f/0x840 [ 9364.758118][ T73] fib6_rule_lookup+0x456/0x630 [ 9364.758118][ T73] ip6_route_input+0x59c/0xa50 [ 9364.758118][ T73] ipv6_rcv+0x397/0x810 [ 9364.758118][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9364.758118][ T73] process_backlog+0x101/0x620 [ 9364.758118][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9364.758118][ T73] net_rx_action+0x495/0xbe0 [ 9364.758118][ T73] __do_softirq+0x1b5/0x7f6 [ 9364.758118][ T73] [ 9364.759798][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9364.759798][ T73] netdev_get_by_index+0x5e/0x80 [ 9364.759798][ T73] fib6_nh_init+0x3d8/0x1580 [ 9364.759798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9364.759798][ T73] ip6_route_add+0x1c/0x140 [ 9364.759798][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9364.759798][ T73] inet6_addr_add+0x4f8/0xa40 [ 9364.759798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9364.759798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.759798][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.759798][ T73] netlink_unicast+0x449/0x710 [ 9364.759798][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.759798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.759798][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.759798][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.759798][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.759798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.759798][ T73] [ 9364.761837][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9364.761837][ T73] netdev_get_by_index+0x5e/0x80 [ 9364.761837][ T73] fib6_nh_init+0x3d8/0x1580 [ 9364.761837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9364.761837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9364.761837][ T73] ipv6_add_addr+0x411/0x2000 [ 9364.761837][ T73] inet6_addr_add+0x30e/0xa40 [ 9364.761837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9364.761837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.761837][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.761837][ T73] netlink_unicast+0x449/0x710 [ 9364.761837][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.761837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.761837][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.761837][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.761837][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.761837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.761837][ T73] [ 9364.763851][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9364.763851][ T73] netdev_get_by_index+0x5e/0x80 [ 9364.763851][ T73] fib6_nh_init+0x3d8/0x1580 [ 9364.763851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9364.763851][ T73] ip6_route_add+0x1c/0x140 [ 9364.763851][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9364.763851][ T73] addrconf_add_dev+0xe2/0x170 [ 9364.763851][ T73] inet6_addr_add+0x12f/0xa40 [ 9364.763851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9364.763851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.763851][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.763851][ T73] netlink_unicast+0x449/0x710 [ 9364.763851][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.763851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.763851][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.763851][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.763851][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.763851][ T73] [ 9364.765838][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9364.765838][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9364.765838][ T73] ipv6_find_idev+0x102/0x170 [ 9364.765838][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9364.765838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.765838][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.765838][ T73] netlink_unicast+0x449/0x710 [ 9364.765838][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.765838][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.765838][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.765838][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.765838][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.765838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.765838][ T73] [ 9364.767401][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9364.767401][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9364.767401][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9364.767401][ T73] ipv6_find_idev+0x102/0x170 [ 9364.767401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9364.767401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.767401][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.767401][ T73] netlink_unicast+0x449/0x710 [ 9364.767401][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.767401][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.767401][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.767401][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.767401][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.767401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.767401][ T73] [ 9364.769125][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9364.769373][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9364.769373][ T73] dst_init+0x84/0x4a0 [ 9364.769373][ T73] dst_alloc+0x97/0x150 [ 9364.769373][ T73] ip6_dst_alloc+0x23/0x90 [ 9364.769373][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9364.769373][ T73] ip6_pol_route+0x56f/0x840 [ 9364.769373][ T73] fib6_rule_lookup+0x456/0x630 [ 9364.769373][ T73] ip6_route_input+0x59c/0xa50 [ 9364.769373][ T73] ipv6_rcv+0x397/0x810 [ 9364.769373][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9364.769373][ T73] process_backlog+0x101/0x620 [ 9364.769373][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9364.769373][ T73] net_rx_action+0x495/0xbe0 [ 9364.769373][ T73] __do_softirq+0x1b5/0x7f6 [ 9364.769373][ T73] [ 9364.771041][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9364.771041][ T73] netdev_get_by_index+0x5e/0x80 [ 9364.771041][ T73] fib6_nh_init+0x3d8/0x1580 [ 9364.771041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9364.771041][ T73] ip6_route_add+0x1c/0x140 [ 9364.771041][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9364.771041][ T73] inet6_addr_add+0x4f8/0xa40 [ 9364.771041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9364.771041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.771041][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.771041][ T73] netlink_unicast+0x449/0x710 [ 9364.771041][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.771041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.771041][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.771041][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.771041][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.771041][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.771041][ T73] [ 9364.773064][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9364.773064][ T73] netdev_get_by_index+0x5e/0x80 [ 9364.773064][ T73] fib6_nh_init+0x3d8/0x1580 [ 9364.773064][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9364.773064][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9364.773064][ T73] ipv6_add_addr+0x411/0x2000 [ 9364.773064][ T73] inet6_addr_add+0x30e/0xa40 [ 9364.773064][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9364.773064][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.773064][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.773064][ T73] netlink_unicast+0x449/0x710 [ 9364.773064][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.773064][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.773064][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.773064][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.773064][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.773064][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.773064][ T73] [ 9364.775090][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9364.775090][ T73] netdev_get_by_index+0x5e/0x80 [ 9364.775090][ T73] fib6_nh_init+0x3d8/0x1580 [ 9364.775090][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9364.775090][ T73] ip6_route_add+0x1c/0x140 [ 9364.775090][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9364.775090][ T73] addrconf_add_dev+0xe2/0x170 [ 9364.775090][ T73] inet6_addr_add+0x12f/0xa40 [ 9364.775090][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9364.775090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.775090][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.775090][ T73] netlink_unicast+0x449/0x710 [ 9364.775090][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.775090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.775090][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.775090][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.775090][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.775090][ T73] [ 9364.777083][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9364.777083][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9364.777083][ T73] ipv6_find_idev+0x102/0x170 [ 9364.777083][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9364.777083][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.777083][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.777083][ T73] netlink_unicast+0x449/0x710 [ 9364.777083][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.777083][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.777083][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.777083][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.777083][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.777083][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.777083][ T73] [ 9364.778648][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9364.778648][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9364.778648][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9364.778648][ T73] ipv6_find_idev+0x102/0x170 [ 9364.778648][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9364.778648][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9364.778648][ T73] netlink_rcv_skb+0x130/0x360 [ 9364.778648][ T73] netlink_unicast+0x449/0x710 [ 9364.778648][ T73] netlink_sendmsg+0x723/0xbe0 [ 9364.778648][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9364.778648][ T73] ___sys_sendmsg+0xee/0x170 [ 9364.778648][ T73] __sys_sendmsg+0xcd/0x170 [ 9364.778648][ T73] do_syscall_64+0xc6/0x1e0 [ 9364.778648][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9364.778648][ T73] [ 9371.597639][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9371.598146][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9371.598146][ T1076] netdev_get_by_index+0x5e/0x80 [ 9371.598146][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9371.598146][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9371.598146][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9371.598146][ T1076] ipv6_add_addr+0x411/0x2000 [ 9371.598146][ T1076] inet6_addr_add+0x30e/0xa40 [ 9371.598146][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9371.598146][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.598146][ T1076] netlink_rcv_skb+0x130/0x360 [ 9371.598146][ T1076] netlink_unicast+0x449/0x710 [ 9371.598146][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9371.598146][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9371.598146][ T1076] ___sys_sendmsg+0xee/0x170 [ 9371.598146][ T1076] __sys_sendmsg+0xcd/0x170 [ 9371.598146][ T1076] do_syscall_64+0xc6/0x1e0 [ 9371.598146][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.598146][ T1076] [ 9371.600446][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9371.600446][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9371.600446][ T1076] ipv6_find_idev+0x102/0x170 [ 9371.600446][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.600446][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.600446][ T1076] netlink_rcv_skb+0x130/0x360 [ 9371.600446][ T1076] netlink_unicast+0x449/0x710 [ 9371.600446][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9371.600446][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9371.600446][ T1076] ___sys_sendmsg+0xee/0x170 [ 9371.600446][ T1076] __sys_sendmsg+0xcd/0x170 [ 9371.600446][ T1076] do_syscall_64+0xc6/0x1e0 [ 9371.600446][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.600446][ T1076] [ 9371.602195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9371.602195][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9371.602195][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9371.602195][ T1076] ipv6_find_idev+0x102/0x170 [ 9371.602195][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9371.602195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9371.602195][ T1076] netlink_rcv_skb+0x130/0x360 [ 9371.602195][ T1076] netlink_unicast+0x449/0x710 [ 9371.602195][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9371.602195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9371.602195][ T1076] ___sys_sendmsg+0xee/0x170 [ 9371.602195][ T1076] __sys_sendmsg+0xcd/0x170 [ 9371.602195][ T1076] do_syscall_64+0xc6/0x1e0 [ 9371.602195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9371.602195][ T1076] [ 9375.021708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9375.022119][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9375.022119][ T73] dst_init+0x84/0x4a0 [ 9375.022119][ T73] dst_alloc+0x97/0x150 [ 9375.022119][ T73] ip6_dst_alloc+0x23/0x90 [ 9375.022119][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9375.022119][ T73] ip6_pol_route+0x56f/0x840 [ 9375.022119][ T73] fib6_rule_lookup+0x456/0x630 [ 9375.022119][ T73] ip6_route_input+0x59c/0xa50 [ 9375.022119][ T73] ipv6_rcv+0x397/0x810 [ 9375.022119][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9375.022119][ T73] process_backlog+0x101/0x620 [ 9375.022119][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9375.022119][ T73] net_rx_action+0x495/0xbe0 [ 9375.022119][ T73] __do_softirq+0x1b5/0x7f6 [ 9375.022119][ T73] [ 9375.023798][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9375.023798][ T73] netdev_get_by_index+0x5e/0x80 [ 9375.023798][ T73] fib6_nh_init+0x3d8/0x1580 [ 9375.023798][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9375.023798][ T73] ip6_route_add+0x1c/0x140 [ 9375.023798][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9375.023798][ T73] inet6_addr_add+0x4f8/0xa40 [ 9375.023798][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9375.023798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.023798][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.023798][ T73] netlink_unicast+0x449/0x710 [ 9375.023798][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.023798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.023798][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.023798][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.023798][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.023798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.023798][ T73] [ 9375.025812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9375.025812][ T73] netdev_get_by_index+0x5e/0x80 [ 9375.025812][ T73] fib6_nh_init+0x3d8/0x1580 [ 9375.025812][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9375.025812][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9375.025812][ T73] ipv6_add_addr+0x411/0x2000 [ 9375.025812][ T73] inet6_addr_add+0x30e/0xa40 [ 9375.025812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9375.025812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.025812][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.025812][ T73] netlink_unicast+0x449/0x710 [ 9375.025812][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.025812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.025812][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.025812][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.025812][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.025812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.025812][ T73] [ 9375.027827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9375.027827][ T73] netdev_get_by_index+0x5e/0x80 [ 9375.027827][ T73] fib6_nh_init+0x3d8/0x1580 [ 9375.027827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9375.027827][ T73] ip6_route_add+0x1c/0x140 [ 9375.027827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9375.027827][ T73] addrconf_add_dev+0xe2/0x170 [ 9375.027827][ T73] inet6_addr_add+0x12f/0xa40 [ 9375.027827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9375.027827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.027827][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.027827][ T73] netlink_unicast+0x449/0x710 [ 9375.027827][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.027827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.027827][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.027827][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.027827][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.027827][ T73] [ 9375.029815][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9375.029815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9375.029815][ T73] ipv6_find_idev+0x102/0x170 [ 9375.029815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9375.029815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.029815][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.029815][ T73] netlink_unicast+0x449/0x710 [ 9375.029815][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.029815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.029815][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.029815][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.029815][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.029815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.029815][ T73] [ 9375.031432][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9375.031432][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9375.031432][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9375.031432][ T73] ipv6_find_idev+0x102/0x170 [ 9375.031432][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9375.031432][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.031432][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.031432][ T73] netlink_unicast+0x449/0x710 [ 9375.031432][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.031432][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.031432][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.031432][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.031432][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.031432][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.031432][ T73] [ 9375.033155][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9375.033406][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9375.033406][ T73] dst_init+0x84/0x4a0 [ 9375.033406][ T73] dst_alloc+0x97/0x150 [ 9375.033406][ T73] ip6_dst_alloc+0x23/0x90 [ 9375.033406][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9375.033406][ T73] ip6_pol_route+0x56f/0x840 [ 9375.033406][ T73] fib6_rule_lookup+0x456/0x630 [ 9375.033406][ T73] ip6_route_input+0x59c/0xa50 [ 9375.033406][ T73] ipv6_rcv+0x397/0x810 [ 9375.033406][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9375.033406][ T73] process_backlog+0x101/0x620 [ 9375.033406][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9375.033406][ T73] net_rx_action+0x495/0xbe0 [ 9375.033406][ T73] __do_softirq+0x1b5/0x7f6 [ 9375.033406][ T73] [ 9375.035061][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9375.035061][ T73] netdev_get_by_index+0x5e/0x80 [ 9375.035061][ T73] fib6_nh_init+0x3d8/0x1580 [ 9375.035061][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9375.035061][ T73] ip6_route_add+0x1c/0x140 [ 9375.035061][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9375.035061][ T73] inet6_addr_add+0x4f8/0xa40 [ 9375.035061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9375.035061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.035061][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.035061][ T73] netlink_unicast+0x449/0x710 [ 9375.035061][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.035061][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.035061][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.035061][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.035061][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.035061][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.035061][ T73] [ 9375.037079][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9375.037079][ T73] netdev_get_by_index+0x5e/0x80 [ 9375.037079][ T73] fib6_nh_init+0x3d8/0x1580 [ 9375.037079][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9375.037079][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9375.037079][ T73] ipv6_add_addr+0x411/0x2000 [ 9375.037079][ T73] inet6_addr_add+0x30e/0xa40 [ 9375.037079][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9375.037079][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.037079][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.037079][ T73] netlink_unicast+0x449/0x710 [ 9375.037079][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.037079][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.037079][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.037079][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.037079][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.037079][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.037079][ T73] [ 9375.039112][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9375.039112][ T73] netdev_get_by_index+0x5e/0x80 [ 9375.039112][ T73] fib6_nh_init+0x3d8/0x1580 [ 9375.039112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9375.039112][ T73] ip6_route_add+0x1c/0x140 [ 9375.039112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9375.039112][ T73] addrconf_add_dev+0xe2/0x170 [ 9375.039112][ T73] inet6_addr_add+0x12f/0xa40 [ 9375.039112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9375.039112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.039112][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.039112][ T73] netlink_unicast+0x449/0x710 [ 9375.039112][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.039112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.039112][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.039112][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.039112][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.039112][ T73] [ 9375.041102][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9375.041102][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9375.041102][ T73] ipv6_find_idev+0x102/0x170 [ 9375.041102][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9375.041102][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.041102][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.041102][ T73] netlink_unicast+0x449/0x710 [ 9375.041102][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.041102][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.041102][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.041102][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.041102][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.041102][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.041102][ T73] [ 9375.042654][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9375.042654][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9375.042654][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9375.042654][ T73] ipv6_find_idev+0x102/0x170 [ 9375.042654][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9375.042654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9375.042654][ T73] netlink_rcv_skb+0x130/0x360 [ 9375.042654][ T73] netlink_unicast+0x449/0x710 [ 9375.042654][ T73] netlink_sendmsg+0x723/0xbe0 [ 9375.042654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9375.042654][ T73] ___sys_sendmsg+0xee/0x170 [ 9375.042654][ T73] __sys_sendmsg+0xcd/0x170 [ 9375.042654][ T73] do_syscall_64+0xc6/0x1e0 [ 9375.042654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9375.042654][ T73] [ 9381.845630][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9381.846135][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9381.846135][ T1076] netdev_get_by_index+0x5e/0x80 [ 9381.846135][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9381.846135][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9381.846135][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9381.846135][ T1076] ipv6_add_addr+0x411/0x2000 [ 9381.846135][ T1076] inet6_addr_add+0x30e/0xa40 [ 9381.846135][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9381.846135][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.846135][ T1076] netlink_rcv_skb+0x130/0x360 [ 9381.846135][ T1076] netlink_unicast+0x449/0x710 [ 9381.846135][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9381.846135][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9381.846135][ T1076] ___sys_sendmsg+0xee/0x170 [ 9381.846135][ T1076] __sys_sendmsg+0xcd/0x170 [ 9381.846135][ T1076] do_syscall_64+0xc6/0x1e0 [ 9381.846135][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.846135][ T1076] [ 9381.848413][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9381.848413][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9381.848413][ T1076] ipv6_find_idev+0x102/0x170 [ 9381.848413][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.848413][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.848413][ T1076] netlink_rcv_skb+0x130/0x360 [ 9381.848413][ T1076] netlink_unicast+0x449/0x710 [ 9381.848413][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9381.848413][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9381.848413][ T1076] ___sys_sendmsg+0xee/0x170 [ 9381.848413][ T1076] __sys_sendmsg+0xcd/0x170 [ 9381.848413][ T1076] do_syscall_64+0xc6/0x1e0 [ 9381.848413][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.848413][ T1076] [ 9381.850169][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9381.850169][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9381.850169][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9381.850169][ T1076] ipv6_find_idev+0x102/0x170 [ 9381.850169][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9381.850169][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9381.850169][ T1076] netlink_rcv_skb+0x130/0x360 [ 9381.850169][ T1076] netlink_unicast+0x449/0x710 [ 9381.850169][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9381.850169][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9381.850169][ T1076] ___sys_sendmsg+0xee/0x170 [ 9381.850169][ T1076] __sys_sendmsg+0xcd/0x170 [ 9381.850169][ T1076] do_syscall_64+0xc6/0x1e0 [ 9381.850169][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9381.850169][ T1076] [ 9385.101668][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9385.102080][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9385.102080][ T73] dst_init+0x84/0x4a0 [ 9385.102080][ T73] dst_alloc+0x97/0x150 [ 9385.102080][ T73] ip6_dst_alloc+0x23/0x90 [ 9385.102080][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9385.102080][ T73] ip6_pol_route+0x56f/0x840 [ 9385.102080][ T73] fib6_rule_lookup+0x456/0x630 [ 9385.102080][ T73] ip6_route_input+0x59c/0xa50 [ 9385.102080][ T73] ipv6_rcv+0x397/0x810 [ 9385.102080][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9385.102080][ T73] process_backlog+0x101/0x620 [ 9385.102080][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9385.102080][ T73] net_rx_action+0x495/0xbe0 [ 9385.102080][ T73] __do_softirq+0x1b5/0x7f6 [ 9385.102080][ T73] [ 9385.103729][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9385.103729][ T73] netdev_get_by_index+0x5e/0x80 [ 9385.103729][ T73] fib6_nh_init+0x3d8/0x1580 [ 9385.103729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9385.103729][ T73] ip6_route_add+0x1c/0x140 [ 9385.103729][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9385.103729][ T73] inet6_addr_add+0x4f8/0xa40 [ 9385.103729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9385.103729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.103729][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.103729][ T73] netlink_unicast+0x449/0x710 [ 9385.103729][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.103729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.103729][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.103729][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.103729][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.103729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.103729][ T73] [ 9385.105725][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9385.105725][ T73] netdev_get_by_index+0x5e/0x80 [ 9385.105725][ T73] fib6_nh_init+0x3d8/0x1580 [ 9385.105725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9385.105725][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9385.105725][ T73] ipv6_add_addr+0x411/0x2000 [ 9385.105725][ T73] inet6_addr_add+0x30e/0xa40 [ 9385.105725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9385.105725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.105725][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.105725][ T73] netlink_unicast+0x449/0x710 [ 9385.105725][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.105725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.105725][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.105725][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.105725][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.105725][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.105725][ T73] [ 9385.107715][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9385.107715][ T73] netdev_get_by_index+0x5e/0x80 [ 9385.107715][ T73] fib6_nh_init+0x3d8/0x1580 [ 9385.107715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9385.107715][ T73] ip6_route_add+0x1c/0x140 [ 9385.107715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9385.107715][ T73] addrconf_add_dev+0xe2/0x170 [ 9385.107715][ T73] inet6_addr_add+0x12f/0xa40 [ 9385.107715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9385.107715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.107715][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.107715][ T73] netlink_unicast+0x449/0x710 [ 9385.107715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.107715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.107715][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.107715][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.107715][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.107715][ T73] [ 9385.109685][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9385.109685][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9385.109685][ T73] ipv6_find_idev+0x102/0x170 [ 9385.109685][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9385.109685][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.109685][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.109685][ T73] netlink_unicast+0x449/0x710 [ 9385.109685][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.109685][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.109685][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.109685][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.109685][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.109685][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.109685][ T73] [ 9385.111230][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9385.111230][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9385.111230][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9385.111230][ T73] ipv6_find_idev+0x102/0x170 [ 9385.111230][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9385.111230][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.111230][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.111230][ T73] netlink_unicast+0x449/0x710 [ 9385.111230][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.111230][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.111230][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.111230][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.111230][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.111230][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.111230][ T73] [ 9385.112912][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9385.113150][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9385.113150][ T73] dst_init+0x84/0x4a0 [ 9385.113150][ T73] dst_alloc+0x97/0x150 [ 9385.113150][ T73] ip6_dst_alloc+0x23/0x90 [ 9385.113150][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9385.113150][ T73] ip6_pol_route+0x56f/0x840 [ 9385.113150][ T73] fib6_rule_lookup+0x456/0x630 [ 9385.113150][ T73] ip6_route_input+0x59c/0xa50 [ 9385.113150][ T73] ipv6_rcv+0x397/0x810 [ 9385.113150][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9385.113150][ T73] process_backlog+0x101/0x620 [ 9385.113150][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9385.113150][ T73] net_rx_action+0x495/0xbe0 [ 9385.113150][ T73] __do_softirq+0x1b5/0x7f6 [ 9385.113150][ T73] [ 9385.114782][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9385.114782][ T73] netdev_get_by_index+0x5e/0x80 [ 9385.114782][ T73] fib6_nh_init+0x3d8/0x1580 [ 9385.114782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9385.114782][ T73] ip6_route_add+0x1c/0x140 [ 9385.114782][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9385.114782][ T73] inet6_addr_add+0x4f8/0xa40 [ 9385.114782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9385.114782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.114782][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.114782][ T73] netlink_unicast+0x449/0x710 [ 9385.114782][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.114782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.114782][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.114782][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.114782][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.114782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.114782][ T73] [ 9385.116785][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9385.116785][ T73] netdev_get_by_index+0x5e/0x80 [ 9385.116785][ T73] fib6_nh_init+0x3d8/0x1580 [ 9385.116785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9385.116785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9385.116785][ T73] ipv6_add_addr+0x411/0x2000 [ 9385.116785][ T73] inet6_addr_add+0x30e/0xa40 [ 9385.116785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9385.116785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.116785][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.116785][ T73] netlink_unicast+0x449/0x710 [ 9385.116785][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.116785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.116785][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.116785][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.116785][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.116785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.116785][ T73] [ 9385.118788][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9385.118788][ T73] netdev_get_by_index+0x5e/0x80 [ 9385.118788][ T73] fib6_nh_init+0x3d8/0x1580 [ 9385.118788][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9385.118788][ T73] ip6_route_add+0x1c/0x140 [ 9385.118788][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9385.118788][ T73] addrconf_add_dev+0xe2/0x170 [ 9385.118788][ T73] inet6_addr_add+0x12f/0xa40 [ 9385.118788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9385.118788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.118788][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.118788][ T73] netlink_unicast+0x449/0x710 [ 9385.118788][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.118788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.118788][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.118788][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.118788][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.118788][ T73] [ 9385.120751][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9385.120751][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9385.120751][ T73] ipv6_find_idev+0x102/0x170 [ 9385.120751][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9385.120751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.120751][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.120751][ T73] netlink_unicast+0x449/0x710 [ 9385.120751][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.120751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.120751][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.120751][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.120751][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.120751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.120751][ T73] [ 9385.122288][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9385.122288][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9385.122288][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9385.122288][ T73] ipv6_find_idev+0x102/0x170 [ 9385.122288][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9385.122288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9385.122288][ T73] netlink_rcv_skb+0x130/0x360 [ 9385.122288][ T73] netlink_unicast+0x449/0x710 [ 9385.122288][ T73] netlink_sendmsg+0x723/0xbe0 [ 9385.122288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9385.122288][ T73] ___sys_sendmsg+0xee/0x170 [ 9385.122288][ T73] __sys_sendmsg+0xcd/0x170 [ 9385.122288][ T73] do_syscall_64+0xc6/0x1e0 [ 9385.122288][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9385.122288][ T73] [ 9392.013715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9392.014216][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9392.014216][ T1076] netdev_get_by_index+0x5e/0x80 [ 9392.014216][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9392.014216][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9392.014216][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9392.014216][ T1076] ipv6_add_addr+0x411/0x2000 [ 9392.014216][ T1076] inet6_addr_add+0x30e/0xa40 [ 9392.014216][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9392.014216][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.014216][ T1076] netlink_rcv_skb+0x130/0x360 [ 9392.014216][ T1076] netlink_unicast+0x449/0x710 [ 9392.014216][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9392.014216][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9392.014216][ T1076] ___sys_sendmsg+0xee/0x170 [ 9392.014216][ T1076] __sys_sendmsg+0xcd/0x170 [ 9392.014216][ T1076] do_syscall_64+0xc6/0x1e0 [ 9392.014216][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.014216][ T1076] [ 9392.017036][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9392.017036][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9392.017036][ T1076] ipv6_find_idev+0x102/0x170 [ 9392.017036][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.017036][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.017036][ T1076] netlink_rcv_skb+0x130/0x360 [ 9392.017036][ T1076] netlink_unicast+0x449/0x710 [ 9392.017036][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9392.017036][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9392.017036][ T1076] ___sys_sendmsg+0xee/0x170 [ 9392.017036][ T1076] __sys_sendmsg+0xcd/0x170 [ 9392.017036][ T1076] do_syscall_64+0xc6/0x1e0 [ 9392.017036][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.017036][ T1076] [ 9392.018783][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9392.018783][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9392.018783][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9392.018783][ T1076] ipv6_find_idev+0x102/0x170 [ 9392.018783][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9392.018783][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9392.018783][ T1076] netlink_rcv_skb+0x130/0x360 [ 9392.018783][ T1076] netlink_unicast+0x449/0x710 [ 9392.018783][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9392.018783][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9392.018783][ T1076] ___sys_sendmsg+0xee/0x170 [ 9392.018783][ T1076] __sys_sendmsg+0xcd/0x170 [ 9392.018783][ T1076] do_syscall_64+0xc6/0x1e0 [ 9392.018783][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9392.018783][ T1076] [ 9395.149713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9395.150092][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9395.150092][ T73] dst_init+0x84/0x4a0 [ 9395.150092][ T73] dst_alloc+0x97/0x150 [ 9395.150092][ T73] ip6_dst_alloc+0x23/0x90 [ 9395.150092][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9395.150092][ T73] ip6_pol_route+0x56f/0x840 [ 9395.150092][ T73] fib6_rule_lookup+0x456/0x630 [ 9395.150092][ T73] ip6_route_input+0x59c/0xa50 [ 9395.150092][ T73] ipv6_rcv+0x397/0x810 [ 9395.150092][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9395.150092][ T73] process_backlog+0x101/0x620 [ 9395.150092][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9395.150092][ T73] net_rx_action+0x495/0xbe0 [ 9395.150092][ T73] __do_softirq+0x1b5/0x7f6 [ 9395.150092][ T73] [ 9395.152123][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9395.152123][ T73] netdev_get_by_index+0x5e/0x80 [ 9395.152123][ T73] fib6_nh_init+0x3d8/0x1580 [ 9395.152123][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9395.152123][ T73] ip6_route_add+0x1c/0x140 [ 9395.152123][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9395.152123][ T73] inet6_addr_add+0x4f8/0xa40 [ 9395.152123][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9395.152123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.152123][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.152123][ T73] netlink_unicast+0x449/0x710 [ 9395.152123][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.152123][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.152123][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.152123][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.152123][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.152123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.152123][ T73] [ 9395.154105][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9395.154105][ T73] netdev_get_by_index+0x5e/0x80 [ 9395.154105][ T73] fib6_nh_init+0x3d8/0x1580 [ 9395.154105][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9395.154105][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9395.154105][ T73] ipv6_add_addr+0x411/0x2000 [ 9395.154105][ T73] inet6_addr_add+0x30e/0xa40 [ 9395.154105][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9395.154105][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.154105][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.154105][ T73] netlink_unicast+0x449/0x710 [ 9395.154105][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.154105][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.154105][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.154105][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.154105][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.154105][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.154105][ T73] [ 9395.156088][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9395.156088][ T73] netdev_get_by_index+0x5e/0x80 [ 9395.156088][ T73] fib6_nh_init+0x3d8/0x1580 [ 9395.156088][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9395.156088][ T73] ip6_route_add+0x1c/0x140 [ 9395.156088][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9395.156088][ T73] addrconf_add_dev+0xe2/0x170 [ 9395.156088][ T73] inet6_addr_add+0x12f/0xa40 [ 9395.156088][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9395.156088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.156088][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.156088][ T73] netlink_unicast+0x449/0x710 [ 9395.156088][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.156088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.156088][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.156088][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.156088][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.156088][ T73] [ 9395.158150][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9395.158150][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9395.158150][ T73] ipv6_find_idev+0x102/0x170 [ 9395.158150][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9395.158150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.158150][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.158150][ T73] netlink_unicast+0x449/0x710 [ 9395.158150][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.158150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.158150][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.158150][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.158150][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.158150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.158150][ T73] [ 9395.159674][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9395.159674][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9395.159674][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9395.159674][ T73] ipv6_find_idev+0x102/0x170 [ 9395.159674][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9395.159674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.159674][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.159674][ T73] netlink_unicast+0x449/0x710 [ 9395.159674][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.159674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.159674][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.159674][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.159674][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.159674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.159674][ T73] [ 9395.161352][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9395.161594][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9395.161594][ T73] dst_init+0x84/0x4a0 [ 9395.161594][ T73] dst_alloc+0x97/0x150 [ 9395.161594][ T73] ip6_dst_alloc+0x23/0x90 [ 9395.161594][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9395.161594][ T73] ip6_pol_route+0x56f/0x840 [ 9395.161594][ T73] fib6_rule_lookup+0x456/0x630 [ 9395.161594][ T73] ip6_route_input+0x59c/0xa50 [ 9395.161594][ T73] ipv6_rcv+0x397/0x810 [ 9395.161594][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9395.161594][ T73] process_backlog+0x101/0x620 [ 9395.161594][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9395.161594][ T73] net_rx_action+0x495/0xbe0 [ 9395.161594][ T73] __do_softirq+0x1b5/0x7f6 [ 9395.161594][ T73] [ 9395.163208][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9395.163208][ T73] netdev_get_by_index+0x5e/0x80 [ 9395.163208][ T73] fib6_nh_init+0x3d8/0x1580 [ 9395.163208][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9395.163208][ T73] ip6_route_add+0x1c/0x140 [ 9395.163208][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9395.163208][ T73] inet6_addr_add+0x4f8/0xa40 [ 9395.163208][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9395.163208][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.163208][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.163208][ T73] netlink_unicast+0x449/0x710 [ 9395.163208][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.163208][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.163208][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.163208][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.163208][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.163208][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.163208][ T73] [ 9395.165184][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9395.165184][ T73] netdev_get_by_index+0x5e/0x80 [ 9395.165184][ T73] fib6_nh_init+0x3d8/0x1580 [ 9395.165184][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9395.165184][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9395.165184][ T73] ipv6_add_addr+0x411/0x2000 [ 9395.165184][ T73] inet6_addr_add+0x30e/0xa40 [ 9395.165184][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9395.165184][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.165184][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.165184][ T73] netlink_unicast+0x449/0x710 [ 9395.165184][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.165184][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.165184][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.165184][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.165184][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.165184][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.165184][ T73] [ 9395.167154][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9395.167154][ T73] netdev_get_by_index+0x5e/0x80 [ 9395.167154][ T73] fib6_nh_init+0x3d8/0x1580 [ 9395.167154][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9395.167154][ T73] ip6_route_add+0x1c/0x140 [ 9395.167154][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9395.167154][ T73] addrconf_add_dev+0xe2/0x170 [ 9395.167154][ T73] inet6_addr_add+0x12f/0xa40 [ 9395.167154][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9395.167154][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.167154][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.167154][ T73] netlink_unicast+0x449/0x710 [ 9395.167154][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.167154][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.167154][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.167154][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.167154][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.167154][ T73] [ 9395.169098][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9395.169098][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9395.169098][ T73] ipv6_find_idev+0x102/0x170 [ 9395.169098][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9395.169098][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.169098][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.169098][ T73] netlink_unicast+0x449/0x710 [ 9395.169098][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.169098][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.169098][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.169098][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.169098][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.169098][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.169098][ T73] [ 9395.170625][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9395.170625][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9395.170625][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9395.170625][ T73] ipv6_find_idev+0x102/0x170 [ 9395.170625][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9395.170625][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9395.170625][ T73] netlink_rcv_skb+0x130/0x360 [ 9395.170625][ T73] netlink_unicast+0x449/0x710 [ 9395.170625][ T73] netlink_sendmsg+0x723/0xbe0 [ 9395.170625][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9395.170625][ T73] ___sys_sendmsg+0xee/0x170 [ 9395.170625][ T73] __sys_sendmsg+0xcd/0x170 [ 9395.170625][ T73] do_syscall_64+0xc6/0x1e0 [ 9395.170625][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9395.170625][ T73] [ 9402.173726][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9402.174219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9402.174219][ T1076] netdev_get_by_index+0x5e/0x80 [ 9402.174219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9402.174219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9402.174219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9402.174219][ T1076] ipv6_add_addr+0x411/0x2000 [ 9402.174219][ T1076] inet6_addr_add+0x30e/0xa40 [ 9402.174219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9402.174219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.174219][ T1076] netlink_rcv_skb+0x130/0x360 [ 9402.174219][ T1076] netlink_unicast+0x449/0x710 [ 9402.174219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9402.174219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9402.174219][ T1076] ___sys_sendmsg+0xee/0x170 [ 9402.174219][ T1076] __sys_sendmsg+0xcd/0x170 [ 9402.174219][ T1076] do_syscall_64+0xc6/0x1e0 [ 9402.174219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.174219][ T1076] [ 9402.176471][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9402.176471][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9402.176471][ T1076] ipv6_find_idev+0x102/0x170 [ 9402.176471][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.176471][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.176471][ T1076] netlink_rcv_skb+0x130/0x360 [ 9402.176471][ T1076] netlink_unicast+0x449/0x710 [ 9402.176471][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9402.176471][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9402.176471][ T1076] ___sys_sendmsg+0xee/0x170 [ 9402.176471][ T1076] __sys_sendmsg+0xcd/0x170 [ 9402.176471][ T1076] do_syscall_64+0xc6/0x1e0 [ 9402.176471][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.176471][ T1076] [ 9402.178204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9402.178204][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9402.178204][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9402.178204][ T1076] ipv6_find_idev+0x102/0x170 [ 9402.178204][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9402.178204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9402.178204][ T1076] netlink_rcv_skb+0x130/0x360 [ 9402.178204][ T1076] netlink_unicast+0x449/0x710 [ 9402.178204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9402.178204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9402.178204][ T1076] ___sys_sendmsg+0xee/0x170 [ 9402.178204][ T1076] __sys_sendmsg+0xcd/0x170 [ 9402.178204][ T1076] do_syscall_64+0xc6/0x1e0 [ 9402.178204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9402.178204][ T1076] [ 9405.245712][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9405.246133][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9405.246133][ T73] dst_init+0x84/0x4a0 [ 9405.246133][ T73] dst_alloc+0x97/0x150 [ 9405.246133][ T73] ip6_dst_alloc+0x23/0x90 [ 9405.246133][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9405.246133][ T73] ip6_pol_route+0x56f/0x840 [ 9405.246133][ T73] fib6_rule_lookup+0x456/0x630 [ 9405.246133][ T73] ip6_route_input+0x59c/0xa50 [ 9405.246133][ T73] ipv6_rcv+0x397/0x810 [ 9405.246133][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9405.246133][ T73] process_backlog+0x101/0x620 [ 9405.246133][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9405.246133][ T73] net_rx_action+0x495/0xbe0 [ 9405.246133][ T73] __do_softirq+0x1b5/0x7f6 [ 9405.246133][ T73] [ 9405.247787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9405.247787][ T73] netdev_get_by_index+0x5e/0x80 [ 9405.247787][ T73] fib6_nh_init+0x3d8/0x1580 [ 9405.247787][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9405.247787][ T73] ip6_route_add+0x1c/0x140 [ 9405.247787][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9405.247787][ T73] inet6_addr_add+0x4f8/0xa40 [ 9405.247787][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9405.247787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.247787][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.247787][ T73] netlink_unicast+0x449/0x710 [ 9405.247787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.247787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.247787][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.247787][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.247787][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.247787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.247787][ T73] [ 9405.249793][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9405.249793][ T73] netdev_get_by_index+0x5e/0x80 [ 9405.249793][ T73] fib6_nh_init+0x3d8/0x1580 [ 9405.249793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9405.249793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9405.249793][ T73] ipv6_add_addr+0x411/0x2000 [ 9405.249793][ T73] inet6_addr_add+0x30e/0xa40 [ 9405.249793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9405.249793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.249793][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.249793][ T73] netlink_unicast+0x449/0x710 [ 9405.249793][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.249793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.249793][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.249793][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.249793][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.249793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.249793][ T73] [ 9405.251774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9405.251774][ T73] netdev_get_by_index+0x5e/0x80 [ 9405.251774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9405.251774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9405.251774][ T73] ip6_route_add+0x1c/0x140 [ 9405.251774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9405.251774][ T73] addrconf_add_dev+0xe2/0x170 [ 9405.251774][ T73] inet6_addr_add+0x12f/0xa40 [ 9405.251774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9405.251774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.251774][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.251774][ T73] netlink_unicast+0x449/0x710 [ 9405.251774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.251774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.251774][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.251774][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.251774][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.251774][ T73] [ 9405.253718][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9405.253718][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9405.253718][ T73] ipv6_find_idev+0x102/0x170 [ 9405.253718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9405.253718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.253718][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.253718][ T73] netlink_unicast+0x449/0x710 [ 9405.253718][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.253718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.253718][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.253718][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.253718][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.253718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.253718][ T73] [ 9405.255246][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9405.255246][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9405.255246][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9405.255246][ T73] ipv6_find_idev+0x102/0x170 [ 9405.255246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9405.255246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.255246][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.255246][ T73] netlink_unicast+0x449/0x710 [ 9405.255246][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.255246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.255246][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.255246][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.255246][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.255246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.255246][ T73] [ 9405.256936][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9405.257177][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9405.257177][ T73] dst_init+0x84/0x4a0 [ 9405.257177][ T73] dst_alloc+0x97/0x150 [ 9405.257177][ T73] ip6_dst_alloc+0x23/0x90 [ 9405.257177][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9405.257177][ T73] ip6_pol_route+0x56f/0x840 [ 9405.257177][ T73] fib6_rule_lookup+0x456/0x630 [ 9405.257177][ T73] ip6_route_input+0x59c/0xa50 [ 9405.257177][ T73] ipv6_rcv+0x397/0x810 [ 9405.257177][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9405.257177][ T73] process_backlog+0x101/0x620 [ 9405.257177][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9405.257177][ T73] net_rx_action+0x495/0xbe0 [ 9405.257177][ T73] __do_softirq+0x1b5/0x7f6 [ 9405.257177][ T73] [ 9405.258816][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9405.258816][ T73] netdev_get_by_index+0x5e/0x80 [ 9405.258816][ T73] fib6_nh_init+0x3d8/0x1580 [ 9405.258816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9405.258816][ T73] ip6_route_add+0x1c/0x140 [ 9405.258816][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9405.258816][ T73] inet6_addr_add+0x4f8/0xa40 [ 9405.258816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9405.258816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.258816][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.258816][ T73] netlink_unicast+0x449/0x710 [ 9405.258816][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.258816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.258816][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.258816][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.258816][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.258816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.258816][ T73] [ 9405.260801][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9405.260801][ T73] netdev_get_by_index+0x5e/0x80 [ 9405.260801][ T73] fib6_nh_init+0x3d8/0x1580 [ 9405.260801][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9405.260801][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9405.260801][ T73] ipv6_add_addr+0x411/0x2000 [ 9405.260801][ T73] inet6_addr_add+0x30e/0xa40 [ 9405.260801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9405.260801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.260801][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.260801][ T73] netlink_unicast+0x449/0x710 [ 9405.260801][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.260801][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.260801][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.260801][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.260801][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.260801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.260801][ T73] [ 9405.262783][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9405.262783][ T73] netdev_get_by_index+0x5e/0x80 [ 9405.262783][ T73] fib6_nh_init+0x3d8/0x1580 [ 9405.262783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9405.262783][ T73] ip6_route_add+0x1c/0x140 [ 9405.262783][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9405.262783][ T73] addrconf_add_dev+0xe2/0x170 [ 9405.262783][ T73] inet6_addr_add+0x12f/0xa40 [ 9405.262783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9405.262783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.262783][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.262783][ T73] netlink_unicast+0x449/0x710 [ 9405.262783][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.262783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.262783][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.262783][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.262783][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.262783][ T73] [ 9405.264736][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9405.264736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9405.264736][ T73] ipv6_find_idev+0x102/0x170 [ 9405.264736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9405.264736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.264736][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.264736][ T73] netlink_unicast+0x449/0x710 [ 9405.264736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.264736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.264736][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.264736][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.264736][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.264736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.264736][ T73] [ 9405.266274][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9405.266274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9405.266274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9405.266274][ T73] ipv6_find_idev+0x102/0x170 [ 9405.266274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9405.266274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9405.266274][ T73] netlink_rcv_skb+0x130/0x360 [ 9405.266274][ T73] netlink_unicast+0x449/0x710 [ 9405.266274][ T73] netlink_sendmsg+0x723/0xbe0 [ 9405.266274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9405.266274][ T73] ___sys_sendmsg+0xee/0x170 [ 9405.266274][ T73] __sys_sendmsg+0xcd/0x170 [ 9405.266274][ T73] do_syscall_64+0xc6/0x1e0 [ 9405.266274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9405.266274][ T73] [ 9412.421705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9412.422215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9412.422215][ T1076] netdev_get_by_index+0x5e/0x80 [ 9412.422215][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9412.422215][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9412.422215][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9412.422215][ T1076] ipv6_add_addr+0x411/0x2000 [ 9412.422215][ T1076] inet6_addr_add+0x30e/0xa40 [ 9412.422215][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9412.422215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.422215][ T1076] netlink_rcv_skb+0x130/0x360 [ 9412.422215][ T1076] netlink_unicast+0x449/0x710 [ 9412.422215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9412.422215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9412.422215][ T1076] ___sys_sendmsg+0xee/0x170 [ 9412.422215][ T1076] __sys_sendmsg+0xcd/0x170 [ 9412.422215][ T1076] do_syscall_64+0xc6/0x1e0 [ 9412.422215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.422215][ T1076] [ 9412.424479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9412.424479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9412.424479][ T1076] ipv6_find_idev+0x102/0x170 [ 9412.424479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.424479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.424479][ T1076] netlink_rcv_skb+0x130/0x360 [ 9412.424479][ T1076] netlink_unicast+0x449/0x710 [ 9412.424479][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9412.424479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9412.424479][ T1076] ___sys_sendmsg+0xee/0x170 [ 9412.424479][ T1076] __sys_sendmsg+0xcd/0x170 [ 9412.424479][ T1076] do_syscall_64+0xc6/0x1e0 [ 9412.424479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.424479][ T1076] [ 9412.426203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9412.426203][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9412.426203][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9412.426203][ T1076] ipv6_find_idev+0x102/0x170 [ 9412.426203][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9412.426203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9412.426203][ T1076] netlink_rcv_skb+0x130/0x360 [ 9412.426203][ T1076] netlink_unicast+0x449/0x710 [ 9412.426203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9412.426203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9412.426203][ T1076] ___sys_sendmsg+0xee/0x170 [ 9412.426203][ T1076] __sys_sendmsg+0xcd/0x170 [ 9412.426203][ T1076] do_syscall_64+0xc6/0x1e0 [ 9412.426203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9412.426203][ T1076] [ 9415.509621][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9415.510004][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9415.510004][ T73] dst_init+0x84/0x4a0 [ 9415.510004][ T73] dst_alloc+0x97/0x150 [ 9415.510004][ T73] ip6_dst_alloc+0x23/0x90 [ 9415.510004][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9415.510004][ T73] ip6_pol_route+0x56f/0x840 [ 9415.510004][ T73] fib6_rule_lookup+0x456/0x630 [ 9415.510004][ T73] ip6_route_input+0x59c/0xa50 [ 9415.510004][ T73] ipv6_rcv+0x397/0x810 [ 9415.510004][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9415.510004][ T73] process_backlog+0x101/0x620 [ 9415.510004][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9415.510004][ T73] net_rx_action+0x495/0xbe0 [ 9415.510004][ T73] __do_softirq+0x1b5/0x7f6 [ 9415.510004][ T73] [ 9415.511664][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9415.511664][ T73] netdev_get_by_index+0x5e/0x80 [ 9415.511664][ T73] fib6_nh_init+0x3d8/0x1580 [ 9415.511664][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9415.511664][ T73] ip6_route_add+0x1c/0x140 [ 9415.511664][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9415.511664][ T73] inet6_addr_add+0x4f8/0xa40 [ 9415.511664][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9415.511664][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.511664][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.511664][ T73] netlink_unicast+0x449/0x710 [ 9415.511664][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.511664][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.511664][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.511664][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.511664][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.511664][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.511664][ T73] [ 9415.513681][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9415.513681][ T73] netdev_get_by_index+0x5e/0x80 [ 9415.513681][ T73] fib6_nh_init+0x3d8/0x1580 [ 9415.513681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9415.513681][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9415.513681][ T73] ipv6_add_addr+0x411/0x2000 [ 9415.513681][ T73] inet6_addr_add+0x30e/0xa40 [ 9415.513681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9415.513681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.513681][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.513681][ T73] netlink_unicast+0x449/0x710 [ 9415.513681][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.513681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.513681][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.513681][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.513681][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.513681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.513681][ T73] [ 9415.515675][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9415.515675][ T73] netdev_get_by_index+0x5e/0x80 [ 9415.515675][ T73] fib6_nh_init+0x3d8/0x1580 [ 9415.515675][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9415.515675][ T73] ip6_route_add+0x1c/0x140 [ 9415.515675][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9415.515675][ T73] addrconf_add_dev+0xe2/0x170 [ 9415.515675][ T73] inet6_addr_add+0x12f/0xa40 [ 9415.515675][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9415.515675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.515675][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.515675][ T73] netlink_unicast+0x449/0x710 [ 9415.515675][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.515675][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.515675][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.515675][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.515675][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.515675][ T73] [ 9415.517642][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9415.517642][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9415.517642][ T73] ipv6_find_idev+0x102/0x170 [ 9415.517642][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9415.517642][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.517642][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.517642][ T73] netlink_unicast+0x449/0x710 [ 9415.517642][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.517642][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.517642][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.517642][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.517642][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.517642][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.517642][ T73] [ 9415.519180][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9415.519180][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9415.519180][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9415.519180][ T73] ipv6_find_idev+0x102/0x170 [ 9415.519180][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9415.519180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.519180][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.519180][ T73] netlink_unicast+0x449/0x710 [ 9415.519180][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.519180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.519180][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.519180][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.519180][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.519180][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.519180][ T73] [ 9415.520858][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9415.521193][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9415.521193][ T73] dst_init+0x84/0x4a0 [ 9415.521193][ T73] dst_alloc+0x97/0x150 [ 9415.521193][ T73] ip6_dst_alloc+0x23/0x90 [ 9415.521193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9415.521193][ T73] ip6_pol_route+0x56f/0x840 [ 9415.521193][ T73] fib6_rule_lookup+0x456/0x630 [ 9415.521193][ T73] ip6_route_input+0x59c/0xa50 [ 9415.521193][ T73] ipv6_rcv+0x397/0x810 [ 9415.521193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9415.521193][ T73] process_backlog+0x101/0x620 [ 9415.521193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9415.521193][ T73] net_rx_action+0x495/0xbe0 [ 9415.521193][ T73] __do_softirq+0x1b5/0x7f6 [ 9415.521193][ T73] [ 9415.522843][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9415.522843][ T73] netdev_get_by_index+0x5e/0x80 [ 9415.522843][ T73] fib6_nh_init+0x3d8/0x1580 [ 9415.522843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9415.522843][ T73] ip6_route_add+0x1c/0x140 [ 9415.522843][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9415.522843][ T73] inet6_addr_add+0x4f8/0xa40 [ 9415.522843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9415.522843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.522843][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.522843][ T73] netlink_unicast+0x449/0x710 [ 9415.522843][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.522843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.522843][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.522843][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.522843][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.522843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.522843][ T73] [ 9415.524847][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9415.524847][ T73] netdev_get_by_index+0x5e/0x80 [ 9415.524847][ T73] fib6_nh_init+0x3d8/0x1580 [ 9415.524847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9415.524847][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9415.524847][ T73] ipv6_add_addr+0x411/0x2000 [ 9415.524847][ T73] inet6_addr_add+0x30e/0xa40 [ 9415.524847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9415.524847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.524847][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.524847][ T73] netlink_unicast+0x449/0x710 [ 9415.524847][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.524847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.524847][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.524847][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.524847][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.524847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.524847][ T73] [ 9415.526841][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9415.526841][ T73] netdev_get_by_index+0x5e/0x80 [ 9415.526841][ T73] fib6_nh_init+0x3d8/0x1580 [ 9415.526841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9415.526841][ T73] ip6_route_add+0x1c/0x140 [ 9415.526841][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9415.526841][ T73] addrconf_add_dev+0xe2/0x170 [ 9415.526841][ T73] inet6_addr_add+0x12f/0xa40 [ 9415.526841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9415.526841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.526841][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.526841][ T73] netlink_unicast+0x449/0x710 [ 9415.526841][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.526841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.526841][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.526841][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.526841][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.526841][ T73] [ 9415.528807][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9415.528807][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9415.528807][ T73] ipv6_find_idev+0x102/0x170 [ 9415.528807][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9415.528807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.528807][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.528807][ T73] netlink_unicast+0x449/0x710 [ 9415.528807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.528807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.528807][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.528807][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.528807][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.528807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.528807][ T73] [ 9415.530352][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9415.530352][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9415.530352][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9415.530352][ T73] ipv6_find_idev+0x102/0x170 [ 9415.530352][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9415.530352][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9415.530352][ T73] netlink_rcv_skb+0x130/0x360 [ 9415.530352][ T73] netlink_unicast+0x449/0x710 [ 9415.530352][ T73] netlink_sendmsg+0x723/0xbe0 [ 9415.530352][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9415.530352][ T73] ___sys_sendmsg+0xee/0x170 [ 9415.530352][ T73] __sys_sendmsg+0xcd/0x170 [ 9415.530352][ T73] do_syscall_64+0xc6/0x1e0 [ 9415.530352][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9415.530352][ T73] [ 9422.669648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9422.670126][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9422.670126][ T1076] netdev_get_by_index+0x5e/0x80 [ 9422.670126][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9422.670126][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9422.670126][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9422.670126][ T1076] ipv6_add_addr+0x411/0x2000 [ 9422.670126][ T1076] inet6_addr_add+0x30e/0xa40 [ 9422.670126][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9422.670126][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.670126][ T1076] netlink_rcv_skb+0x130/0x360 [ 9422.670126][ T1076] netlink_unicast+0x449/0x710 [ 9422.670126][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9422.670126][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9422.670126][ T1076] ___sys_sendmsg+0xee/0x170 [ 9422.670126][ T1076] __sys_sendmsg+0xcd/0x170 [ 9422.670126][ T1076] do_syscall_64+0xc6/0x1e0 [ 9422.670126][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.670126][ T1076] [ 9422.672389][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9422.672389][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9422.672389][ T1076] ipv6_find_idev+0x102/0x170 [ 9422.672389][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.672389][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.672389][ T1076] netlink_rcv_skb+0x130/0x360 [ 9422.672389][ T1076] netlink_unicast+0x449/0x710 [ 9422.672389][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9422.672389][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9422.672389][ T1076] ___sys_sendmsg+0xee/0x170 [ 9422.672389][ T1076] __sys_sendmsg+0xcd/0x170 [ 9422.672389][ T1076] do_syscall_64+0xc6/0x1e0 [ 9422.672389][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.672389][ T1076] [ 9422.674141][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9422.674141][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9422.674141][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9422.674141][ T1076] ipv6_find_idev+0x102/0x170 [ 9422.674141][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9422.674141][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9422.674141][ T1076] netlink_rcv_skb+0x130/0x360 [ 9422.674141][ T1076] netlink_unicast+0x449/0x710 [ 9422.674141][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9422.674141][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9422.674141][ T1076] ___sys_sendmsg+0xee/0x170 [ 9422.674141][ T1076] __sys_sendmsg+0xcd/0x170 [ 9422.674141][ T1076] do_syscall_64+0xc6/0x1e0 [ 9422.674141][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9422.674141][ T1076] [ 9425.773712][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9425.774099][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9425.774099][ T73] dst_init+0x84/0x4a0 [ 9425.774099][ T73] dst_alloc+0x97/0x150 [ 9425.774099][ T73] ip6_dst_alloc+0x23/0x90 [ 9425.774099][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9425.774099][ T73] ip6_pol_route+0x56f/0x840 [ 9425.774099][ T73] fib6_rule_lookup+0x456/0x630 [ 9425.774099][ T73] ip6_route_input+0x59c/0xa50 [ 9425.774099][ T73] ipv6_rcv+0x397/0x810 [ 9425.774099][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9425.774099][ T73] process_backlog+0x101/0x620 [ 9425.774099][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9425.774099][ T73] net_rx_action+0x495/0xbe0 [ 9425.774099][ T73] __do_softirq+0x1b5/0x7f6 [ 9425.774099][ T73] [ 9425.775743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9425.775743][ T73] netdev_get_by_index+0x5e/0x80 [ 9425.775743][ T73] fib6_nh_init+0x3d8/0x1580 [ 9425.775743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9425.775743][ T73] ip6_route_add+0x1c/0x140 [ 9425.775743][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9425.775743][ T73] inet6_addr_add+0x4f8/0xa40 [ 9425.775743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9425.775743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.775743][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.775743][ T73] netlink_unicast+0x449/0x710 [ 9425.775743][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.775743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.775743][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.775743][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.775743][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.775743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.775743][ T73] [ 9425.777745][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9425.777745][ T73] netdev_get_by_index+0x5e/0x80 [ 9425.777745][ T73] fib6_nh_init+0x3d8/0x1580 [ 9425.777745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9425.777745][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9425.777745][ T73] ipv6_add_addr+0x411/0x2000 [ 9425.777745][ T73] inet6_addr_add+0x30e/0xa40 [ 9425.777745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9425.777745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.777745][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.777745][ T73] netlink_unicast+0x449/0x710 [ 9425.777745][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.777745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.777745][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.777745][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.777745][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.777745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.777745][ T73] [ 9425.779751][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9425.779751][ T73] netdev_get_by_index+0x5e/0x80 [ 9425.779751][ T73] fib6_nh_init+0x3d8/0x1580 [ 9425.779751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9425.779751][ T73] ip6_route_add+0x1c/0x140 [ 9425.779751][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9425.779751][ T73] addrconf_add_dev+0xe2/0x170 [ 9425.779751][ T73] inet6_addr_add+0x12f/0xa40 [ 9425.779751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9425.779751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.779751][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.779751][ T73] netlink_unicast+0x449/0x710 [ 9425.779751][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.779751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.779751][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.779751][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.779751][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.779751][ T73] [ 9425.781713][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9425.781713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9425.781713][ T73] ipv6_find_idev+0x102/0x170 [ 9425.781713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9425.781713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.781713][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.781713][ T73] netlink_unicast+0x449/0x710 [ 9425.781713][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.781713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.781713][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.781713][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.781713][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.781713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.781713][ T73] [ 9425.783246][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9425.783246][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9425.783246][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9425.783246][ T73] ipv6_find_idev+0x102/0x170 [ 9425.783246][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9425.783246][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.783246][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.783246][ T73] netlink_unicast+0x449/0x710 [ 9425.783246][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.783246][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.783246][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.783246][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.783246][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.783246][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.783246][ T73] [ 9425.784930][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9425.785166][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9425.785166][ T73] dst_init+0x84/0x4a0 [ 9425.785166][ T73] dst_alloc+0x97/0x150 [ 9425.785166][ T73] ip6_dst_alloc+0x23/0x90 [ 9425.785166][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9425.785166][ T73] ip6_pol_route+0x56f/0x840 [ 9425.785166][ T73] fib6_rule_lookup+0x456/0x630 [ 9425.785166][ T73] ip6_route_input+0x59c/0xa50 [ 9425.785166][ T73] ipv6_rcv+0x397/0x810 [ 9425.785166][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9425.785166][ T73] process_backlog+0x101/0x620 [ 9425.785166][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9425.785166][ T73] net_rx_action+0x495/0xbe0 [ 9425.785166][ T73] __do_softirq+0x1b5/0x7f6 [ 9425.785166][ T73] [ 9425.786790][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9425.786790][ T73] netdev_get_by_index+0x5e/0x80 [ 9425.786790][ T73] fib6_nh_init+0x3d8/0x1580 [ 9425.786790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9425.786790][ T73] ip6_route_add+0x1c/0x140 [ 9425.786790][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9425.786790][ T73] inet6_addr_add+0x4f8/0xa40 [ 9425.786790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9425.786790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.786790][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.786790][ T73] netlink_unicast+0x449/0x710 [ 9425.786790][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.786790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.786790][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.786790][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.786790][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.786790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.786790][ T73] [ 9425.788770][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9425.788770][ T73] netdev_get_by_index+0x5e/0x80 [ 9425.788770][ T73] fib6_nh_init+0x3d8/0x1580 [ 9425.788770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9425.788770][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9425.788770][ T73] ipv6_add_addr+0x411/0x2000 [ 9425.788770][ T73] inet6_addr_add+0x30e/0xa40 [ 9425.788770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9425.788770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.788770][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.788770][ T73] netlink_unicast+0x449/0x710 [ 9425.788770][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.788770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.788770][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.788770][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.788770][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.788770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.788770][ T73] [ 9425.790757][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9425.790757][ T73] netdev_get_by_index+0x5e/0x80 [ 9425.790757][ T73] fib6_nh_init+0x3d8/0x1580 [ 9425.790757][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9425.790757][ T73] ip6_route_add+0x1c/0x140 [ 9425.790757][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9425.790757][ T73] addrconf_add_dev+0xe2/0x170 [ 9425.790757][ T73] inet6_addr_add+0x12f/0xa40 [ 9425.790757][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9425.790757][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.790757][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.790757][ T73] netlink_unicast+0x449/0x710 [ 9425.790757][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.790757][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.790757][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.790757][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.790757][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.790757][ T73] [ 9425.792713][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9425.792713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9425.792713][ T73] ipv6_find_idev+0x102/0x170 [ 9425.792713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9425.792713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.792713][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.792713][ T73] netlink_unicast+0x449/0x710 [ 9425.792713][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.792713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.792713][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.792713][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.792713][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.792713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.792713][ T73] [ 9425.794350][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9425.794350][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9425.794350][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9425.794350][ T73] ipv6_find_idev+0x102/0x170 [ 9425.794350][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9425.794350][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9425.794350][ T73] netlink_rcv_skb+0x130/0x360 [ 9425.794350][ T73] netlink_unicast+0x449/0x710 [ 9425.794350][ T73] netlink_sendmsg+0x723/0xbe0 [ 9425.794350][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9425.794350][ T73] ___sys_sendmsg+0xee/0x170 [ 9425.794350][ T73] __sys_sendmsg+0xcd/0x170 [ 9425.794350][ T73] do_syscall_64+0xc6/0x1e0 [ 9425.794350][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9425.794350][ T73] [ 9432.917703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9432.918187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9432.918187][ T1076] netdev_get_by_index+0x5e/0x80 [ 9432.918187][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9432.918187][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9432.918187][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9432.918187][ T1076] ipv6_add_addr+0x411/0x2000 [ 9432.918187][ T1076] inet6_addr_add+0x30e/0xa40 [ 9432.918187][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9432.918187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.918187][ T1076] netlink_rcv_skb+0x130/0x360 [ 9432.918187][ T1076] netlink_unicast+0x449/0x710 [ 9432.918187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9432.918187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9432.918187][ T1076] ___sys_sendmsg+0xee/0x170 [ 9432.918187][ T1076] __sys_sendmsg+0xcd/0x170 [ 9432.918187][ T1076] do_syscall_64+0xc6/0x1e0 [ 9432.918187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.918187][ T1076] [ 9432.920456][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9432.920456][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9432.920456][ T1076] ipv6_find_idev+0x102/0x170 [ 9432.920456][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9432.920456][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.920456][ T1076] netlink_rcv_skb+0x130/0x360 [ 9432.920456][ T1076] netlink_unicast+0x449/0x710 [ 9432.920456][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9432.920456][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9432.920456][ T1076] ___sys_sendmsg+0xee/0x170 [ 9432.920456][ T1076] __sys_sendmsg+0xcd/0x170 [ 9432.920456][ T1076] do_syscall_64+0xc6/0x1e0 [ 9432.920456][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.920456][ T1076] [ 9432.922185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9432.922185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9432.922185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9432.922185][ T1076] ipv6_find_idev+0x102/0x170 [ 9432.922185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9432.922185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9432.922185][ T1076] netlink_rcv_skb+0x130/0x360 [ 9432.922185][ T1076] netlink_unicast+0x449/0x710 [ 9432.922185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9432.922185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9432.922185][ T1076] ___sys_sendmsg+0xee/0x170 [ 9432.922185][ T1076] __sys_sendmsg+0xcd/0x170 [ 9432.922185][ T1076] do_syscall_64+0xc6/0x1e0 [ 9432.922185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9432.922185][ T1076] [ 9436.037637][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9436.038039][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9436.038039][ T73] dst_init+0x84/0x4a0 [ 9436.038039][ T73] dst_alloc+0x97/0x150 [ 9436.038039][ T73] ip6_dst_alloc+0x23/0x90 [ 9436.038039][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9436.038039][ T73] ip6_pol_route+0x56f/0x840 [ 9436.038039][ T73] fib6_rule_lookup+0x456/0x630 [ 9436.038039][ T73] ip6_route_input+0x59c/0xa50 [ 9436.038039][ T73] ipv6_rcv+0x397/0x810 [ 9436.038039][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9436.038039][ T73] process_backlog+0x101/0x620 [ 9436.038039][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9436.038039][ T73] net_rx_action+0x495/0xbe0 [ 9436.038039][ T73] __do_softirq+0x1b5/0x7f6 [ 9436.038039][ T73] [ 9436.039718][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9436.039718][ T73] netdev_get_by_index+0x5e/0x80 [ 9436.039718][ T73] fib6_nh_init+0x3d8/0x1580 [ 9436.039718][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9436.039718][ T73] ip6_route_add+0x1c/0x140 [ 9436.039718][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9436.039718][ T73] inet6_addr_add+0x4f8/0xa40 [ 9436.039718][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9436.039718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.039718][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.039718][ T73] netlink_unicast+0x449/0x710 [ 9436.039718][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.039718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.039718][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.039718][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.039718][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.039718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.039718][ T73] [ 9436.041728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9436.041728][ T73] netdev_get_by_index+0x5e/0x80 [ 9436.041728][ T73] fib6_nh_init+0x3d8/0x1580 [ 9436.041728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9436.041728][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9436.041728][ T73] ipv6_add_addr+0x411/0x2000 [ 9436.041728][ T73] inet6_addr_add+0x30e/0xa40 [ 9436.041728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9436.041728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.041728][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.041728][ T73] netlink_unicast+0x449/0x710 [ 9436.041728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.041728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.041728][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.041728][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.041728][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.041728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.041728][ T73] [ 9436.043732][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9436.043732][ T73] netdev_get_by_index+0x5e/0x80 [ 9436.043732][ T73] fib6_nh_init+0x3d8/0x1580 [ 9436.043732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9436.043732][ T73] ip6_route_add+0x1c/0x140 [ 9436.043732][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9436.043732][ T73] addrconf_add_dev+0xe2/0x170 [ 9436.043732][ T73] inet6_addr_add+0x12f/0xa40 [ 9436.043732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9436.043732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.043732][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.043732][ T73] netlink_unicast+0x449/0x710 [ 9436.043732][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.043732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.043732][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.043732][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.043732][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.043732][ T73] [ 9436.045703][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9436.045703][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9436.045703][ T73] ipv6_find_idev+0x102/0x170 [ 9436.045703][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9436.045703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.045703][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.045703][ T73] netlink_unicast+0x449/0x710 [ 9436.045703][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.045703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.045703][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.045703][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.045703][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.045703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.045703][ T73] [ 9436.047253][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9436.047253][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9436.047253][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9436.047253][ T73] ipv6_find_idev+0x102/0x170 [ 9436.047253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9436.047253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.047253][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.047253][ T73] netlink_unicast+0x449/0x710 [ 9436.047253][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.047253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.047253][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.047253][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.047253][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.047253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.047253][ T73] [ 9436.049465][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9436.049726][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9436.049726][ T73] dst_init+0x84/0x4a0 [ 9436.049726][ T73] dst_alloc+0x97/0x150 [ 9436.049726][ T73] ip6_dst_alloc+0x23/0x90 [ 9436.049726][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9436.049726][ T73] ip6_pol_route+0x56f/0x840 [ 9436.049726][ T73] fib6_rule_lookup+0x456/0x630 [ 9436.049726][ T73] ip6_route_input+0x59c/0xa50 [ 9436.049726][ T73] ipv6_rcv+0x397/0x810 [ 9436.049726][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9436.049726][ T73] process_backlog+0x101/0x620 [ 9436.049726][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9436.049726][ T73] net_rx_action+0x495/0xbe0 [ 9436.049726][ T73] __do_softirq+0x1b5/0x7f6 [ 9436.049726][ T73] [ 9436.051752][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9436.051752][ T73] netdev_get_by_index+0x5e/0x80 [ 9436.051752][ T73] fib6_nh_init+0x3d8/0x1580 [ 9436.051752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9436.051752][ T73] ip6_route_add+0x1c/0x140 [ 9436.051752][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9436.051752][ T73] inet6_addr_add+0x4f8/0xa40 [ 9436.051752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9436.051752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.051752][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.051752][ T73] netlink_unicast+0x449/0x710 [ 9436.051752][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.051752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.051752][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.051752][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.051752][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.051752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.051752][ T73] [ 9436.053755][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9436.053755][ T73] netdev_get_by_index+0x5e/0x80 [ 9436.053755][ T73] fib6_nh_init+0x3d8/0x1580 [ 9436.053755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9436.053755][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9436.053755][ T73] ipv6_add_addr+0x411/0x2000 [ 9436.053755][ T73] inet6_addr_add+0x30e/0xa40 [ 9436.053755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9436.053755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.053755][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.053755][ T73] netlink_unicast+0x449/0x710 [ 9436.053755][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.053755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.053755][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.053755][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.053755][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.053755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.053755][ T73] [ 9436.055749][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9436.055749][ T73] netdev_get_by_index+0x5e/0x80 [ 9436.055749][ T73] fib6_nh_init+0x3d8/0x1580 [ 9436.055749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9436.055749][ T73] ip6_route_add+0x1c/0x140 [ 9436.055749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9436.055749][ T73] addrconf_add_dev+0xe2/0x170 [ 9436.055749][ T73] inet6_addr_add+0x12f/0xa40 [ 9436.055749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9436.055749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.055749][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.055749][ T73] netlink_unicast+0x449/0x710 [ 9436.055749][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.055749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.055749][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.055749][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.055749][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.055749][ T73] [ 9436.057715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9436.057715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9436.057715][ T73] ipv6_find_idev+0x102/0x170 [ 9436.057715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9436.057715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.057715][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.057715][ T73] netlink_unicast+0x449/0x710 [ 9436.057715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.057715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.057715][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.057715][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.057715][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.057715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.057715][ T73] [ 9436.059257][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9436.059257][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9436.059257][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9436.059257][ T73] ipv6_find_idev+0x102/0x170 [ 9436.059257][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9436.059257][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9436.059257][ T73] netlink_rcv_skb+0x130/0x360 [ 9436.059257][ T73] netlink_unicast+0x449/0x710 [ 9436.059257][ T73] netlink_sendmsg+0x723/0xbe0 [ 9436.059257][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9436.059257][ T73] ___sys_sendmsg+0xee/0x170 [ 9436.059257][ T73] __sys_sendmsg+0xcd/0x170 [ 9436.059257][ T73] do_syscall_64+0xc6/0x1e0 [ 9436.059257][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9436.059257][ T73] [ 9443.165647][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9443.166142][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9443.166142][ T1076] netdev_get_by_index+0x5e/0x80 [ 9443.166142][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9443.166142][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9443.166142][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9443.166142][ T1076] ipv6_add_addr+0x411/0x2000 [ 9443.166142][ T1076] inet6_addr_add+0x30e/0xa40 [ 9443.166142][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9443.166142][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.166142][ T1076] netlink_rcv_skb+0x130/0x360 [ 9443.166142][ T1076] netlink_unicast+0x449/0x710 [ 9443.166142][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9443.166142][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9443.166142][ T1076] ___sys_sendmsg+0xee/0x170 [ 9443.166142][ T1076] __sys_sendmsg+0xcd/0x170 [ 9443.166142][ T1076] do_syscall_64+0xc6/0x1e0 [ 9443.166142][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.166142][ T1076] [ 9443.168392][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9443.168392][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9443.168392][ T1076] ipv6_find_idev+0x102/0x170 [ 9443.168392][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.168392][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.168392][ T1076] netlink_rcv_skb+0x130/0x360 [ 9443.168392][ T1076] netlink_unicast+0x449/0x710 [ 9443.168392][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9443.168392][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9443.168392][ T1076] ___sys_sendmsg+0xee/0x170 [ 9443.168392][ T1076] __sys_sendmsg+0xcd/0x170 [ 9443.168392][ T1076] do_syscall_64+0xc6/0x1e0 [ 9443.168392][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.168392][ T1076] [ 9443.170127][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9443.170127][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9443.170127][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9443.170127][ T1076] ipv6_find_idev+0x102/0x170 [ 9443.170127][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9443.170127][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9443.170127][ T1076] netlink_rcv_skb+0x130/0x360 [ 9443.170127][ T1076] netlink_unicast+0x449/0x710 [ 9443.170127][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9443.170127][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9443.170127][ T1076] ___sys_sendmsg+0xee/0x170 [ 9443.170127][ T1076] __sys_sendmsg+0xcd/0x170 [ 9443.170127][ T1076] do_syscall_64+0xc6/0x1e0 [ 9443.170127][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9443.170127][ T1076] [ 9446.301700][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9446.302090][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9446.302090][ T73] dst_init+0x84/0x4a0 [ 9446.302090][ T73] dst_alloc+0x97/0x150 [ 9446.302090][ T73] ip6_dst_alloc+0x23/0x90 [ 9446.302090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9446.302090][ T73] ip6_pol_route+0x56f/0x840 [ 9446.302090][ T73] fib6_rule_lookup+0x456/0x630 [ 9446.302090][ T73] ip6_route_input+0x59c/0xa50 [ 9446.302090][ T73] ipv6_rcv+0x397/0x810 [ 9446.302090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9446.302090][ T73] process_backlog+0x101/0x620 [ 9446.302090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9446.302090][ T73] net_rx_action+0x495/0xbe0 [ 9446.302090][ T73] __do_softirq+0x1b5/0x7f6 [ 9446.302090][ T73] [ 9446.303737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9446.303737][ T73] netdev_get_by_index+0x5e/0x80 [ 9446.303737][ T73] fib6_nh_init+0x3d8/0x1580 [ 9446.303737][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9446.303737][ T73] ip6_route_add+0x1c/0x140 [ 9446.303737][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9446.303737][ T73] inet6_addr_add+0x4f8/0xa40 [ 9446.303737][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9446.303737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.303737][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.303737][ T73] netlink_unicast+0x449/0x710 [ 9446.303737][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.303737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.303737][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.303737][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.303737][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.303737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.303737][ T73] [ 9446.305730][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9446.305730][ T73] netdev_get_by_index+0x5e/0x80 [ 9446.305730][ T73] fib6_nh_init+0x3d8/0x1580 [ 9446.305730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9446.305730][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9446.305730][ T73] ipv6_add_addr+0x411/0x2000 [ 9446.305730][ T73] inet6_addr_add+0x30e/0xa40 [ 9446.305730][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9446.305730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.305730][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.305730][ T73] netlink_unicast+0x449/0x710 [ 9446.305730][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.305730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.305730][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.305730][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.305730][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.305730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.305730][ T73] [ 9446.307800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9446.307800][ T73] netdev_get_by_index+0x5e/0x80 [ 9446.307800][ T73] fib6_nh_init+0x3d8/0x1580 [ 9446.307800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9446.307800][ T73] ip6_route_add+0x1c/0x140 [ 9446.307800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9446.307800][ T73] addrconf_add_dev+0xe2/0x170 [ 9446.307800][ T73] inet6_addr_add+0x12f/0xa40 [ 9446.307800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9446.307800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.307800][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.307800][ T73] netlink_unicast+0x449/0x710 [ 9446.307800][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.307800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.307800][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.307800][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.307800][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.307800][ T73] [ 9446.309761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9446.309761][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9446.309761][ T73] ipv6_find_idev+0x102/0x170 [ 9446.309761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9446.309761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.309761][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.309761][ T73] netlink_unicast+0x449/0x710 [ 9446.309761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.309761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.309761][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.309761][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.309761][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.309761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.309761][ T73] [ 9446.311306][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9446.311306][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9446.311306][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9446.311306][ T73] ipv6_find_idev+0x102/0x170 [ 9446.311306][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9446.311306][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.311306][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.311306][ T73] netlink_unicast+0x449/0x710 [ 9446.311306][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.311306][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.311306][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.311306][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.311306][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.311306][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.311306][ T73] [ 9446.312983][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9446.313225][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9446.313225][ T73] dst_init+0x84/0x4a0 [ 9446.313225][ T73] dst_alloc+0x97/0x150 [ 9446.313225][ T73] ip6_dst_alloc+0x23/0x90 [ 9446.313225][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9446.313225][ T73] ip6_pol_route+0x56f/0x840 [ 9446.313225][ T73] fib6_rule_lookup+0x456/0x630 [ 9446.313225][ T73] ip6_route_input+0x59c/0xa50 [ 9446.313225][ T73] ipv6_rcv+0x397/0x810 [ 9446.313225][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9446.313225][ T73] process_backlog+0x101/0x620 [ 9446.313225][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9446.313225][ T73] net_rx_action+0x495/0xbe0 [ 9446.313225][ T73] __do_softirq+0x1b5/0x7f6 [ 9446.313225][ T73] [ 9446.314847][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9446.314847][ T73] netdev_get_by_index+0x5e/0x80 [ 9446.314847][ T73] fib6_nh_init+0x3d8/0x1580 [ 9446.314847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9446.314847][ T73] ip6_route_add+0x1c/0x140 [ 9446.314847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9446.314847][ T73] inet6_addr_add+0x4f8/0xa40 [ 9446.314847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9446.314847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.314847][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.314847][ T73] netlink_unicast+0x449/0x710 [ 9446.314847][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.314847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.314847][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.314847][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.314847][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.314847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.314847][ T73] [ 9446.316830][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9446.316830][ T73] netdev_get_by_index+0x5e/0x80 [ 9446.316830][ T73] fib6_nh_init+0x3d8/0x1580 [ 9446.316830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9446.316830][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9446.316830][ T73] ipv6_add_addr+0x411/0x2000 [ 9446.316830][ T73] inet6_addr_add+0x30e/0xa40 [ 9446.316830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9446.316830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.316830][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.316830][ T73] netlink_unicast+0x449/0x710 [ 9446.316830][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.316830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.316830][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.316830][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.316830][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.316830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.316830][ T73] [ 9446.318814][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9446.318814][ T73] netdev_get_by_index+0x5e/0x80 [ 9446.318814][ T73] fib6_nh_init+0x3d8/0x1580 [ 9446.318814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9446.318814][ T73] ip6_route_add+0x1c/0x140 [ 9446.318814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9446.318814][ T73] addrconf_add_dev+0xe2/0x170 [ 9446.318814][ T73] inet6_addr_add+0x12f/0xa40 [ 9446.318814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9446.318814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.318814][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.318814][ T73] netlink_unicast+0x449/0x710 [ 9446.318814][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.318814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.318814][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.318814][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.318814][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.318814][ T73] [ 9446.321298][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9446.321298][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9446.321298][ T73] ipv6_find_idev+0x102/0x170 [ 9446.321298][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9446.321298][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.321298][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.321298][ T73] netlink_unicast+0x449/0x710 [ 9446.321298][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.321298][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.321298][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.321298][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.321298][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.321298][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.321298][ T73] [ 9446.322825][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9446.322825][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9446.322825][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9446.322825][ T73] ipv6_find_idev+0x102/0x170 [ 9446.322825][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9446.322825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9446.322825][ T73] netlink_rcv_skb+0x130/0x360 [ 9446.322825][ T73] netlink_unicast+0x449/0x710 [ 9446.322825][ T73] netlink_sendmsg+0x723/0xbe0 [ 9446.322825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9446.322825][ T73] ___sys_sendmsg+0xee/0x170 [ 9446.322825][ T73] __sys_sendmsg+0xcd/0x170 [ 9446.322825][ T73] do_syscall_64+0xc6/0x1e0 [ 9446.322825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9446.322825][ T73] [ 9453.413701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9453.414180][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9453.414180][ T1076] netdev_get_by_index+0x5e/0x80 [ 9453.414180][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9453.414180][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9453.414180][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9453.414180][ T1076] ipv6_add_addr+0x411/0x2000 [ 9453.414180][ T1076] inet6_addr_add+0x30e/0xa40 [ 9453.414180][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9453.414180][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.414180][ T1076] netlink_rcv_skb+0x130/0x360 [ 9453.414180][ T1076] netlink_unicast+0x449/0x710 [ 9453.414180][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9453.414180][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9453.414180][ T1076] ___sys_sendmsg+0xee/0x170 [ 9453.414180][ T1076] __sys_sendmsg+0xcd/0x170 [ 9453.414180][ T1076] do_syscall_64+0xc6/0x1e0 [ 9453.414180][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.414180][ T1076] [ 9453.416431][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9453.416431][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9453.416431][ T1076] ipv6_find_idev+0x102/0x170 [ 9453.416431][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.416431][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.416431][ T1076] netlink_rcv_skb+0x130/0x360 [ 9453.416431][ T1076] netlink_unicast+0x449/0x710 [ 9453.416431][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9453.416431][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9453.416431][ T1076] ___sys_sendmsg+0xee/0x170 [ 9453.416431][ T1076] __sys_sendmsg+0xcd/0x170 [ 9453.416431][ T1076] do_syscall_64+0xc6/0x1e0 [ 9453.416431][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.416431][ T1076] [ 9453.418153][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9453.418153][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9453.418153][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9453.418153][ T1076] ipv6_find_idev+0x102/0x170 [ 9453.418153][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9453.418153][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9453.418153][ T1076] netlink_rcv_skb+0x130/0x360 [ 9453.418153][ T1076] netlink_unicast+0x449/0x710 [ 9453.418153][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9453.418153][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9453.418153][ T1076] ___sys_sendmsg+0xee/0x170 [ 9453.418153][ T1076] __sys_sendmsg+0xcd/0x170 [ 9453.418153][ T1076] do_syscall_64+0xc6/0x1e0 [ 9453.418153][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9453.418153][ T1076] [ 9456.357754][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9456.358134][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9456.358134][ T73] dst_init+0x84/0x4a0 [ 9456.358134][ T73] dst_alloc+0x97/0x150 [ 9456.358134][ T73] ip6_dst_alloc+0x23/0x90 [ 9456.358134][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9456.358134][ T73] ip6_pol_route+0x56f/0x840 [ 9456.358134][ T73] fib6_rule_lookup+0x456/0x630 [ 9456.358134][ T73] ip6_route_input+0x59c/0xa50 [ 9456.358134][ T73] ipv6_rcv+0x397/0x810 [ 9456.358134][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9456.358134][ T73] process_backlog+0x101/0x620 [ 9456.358134][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9456.358134][ T73] net_rx_action+0x495/0xbe0 [ 9456.358134][ T73] __do_softirq+0x1b5/0x7f6 [ 9456.358134][ T73] [ 9456.359797][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9456.359797][ T73] netdev_get_by_index+0x5e/0x80 [ 9456.359797][ T73] fib6_nh_init+0x3d8/0x1580 [ 9456.359797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9456.359797][ T73] ip6_route_add+0x1c/0x140 [ 9456.359797][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9456.359797][ T73] inet6_addr_add+0x4f8/0xa40 [ 9456.359797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9456.359797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.359797][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.359797][ T73] netlink_unicast+0x449/0x710 [ 9456.359797][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.359797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.359797][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.359797][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.359797][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.359797][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.359797][ T73] [ 9456.361780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9456.361780][ T73] netdev_get_by_index+0x5e/0x80 [ 9456.361780][ T73] fib6_nh_init+0x3d8/0x1580 [ 9456.361780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9456.361780][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9456.361780][ T73] ipv6_add_addr+0x411/0x2000 [ 9456.361780][ T73] inet6_addr_add+0x30e/0xa40 [ 9456.361780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9456.361780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.361780][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.361780][ T73] netlink_unicast+0x449/0x710 [ 9456.361780][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.361780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.361780][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.361780][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.361780][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.361780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.361780][ T73] [ 9456.363758][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9456.363758][ T73] netdev_get_by_index+0x5e/0x80 [ 9456.363758][ T73] fib6_nh_init+0x3d8/0x1580 [ 9456.363758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9456.363758][ T73] ip6_route_add+0x1c/0x140 [ 9456.363758][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9456.363758][ T73] addrconf_add_dev+0xe2/0x170 [ 9456.363758][ T73] inet6_addr_add+0x12f/0xa40 [ 9456.363758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9456.363758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.363758][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.363758][ T73] netlink_unicast+0x449/0x710 [ 9456.363758][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.363758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.363758][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.363758][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.363758][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.363758][ T73] [ 9456.365711][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9456.365711][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9456.365711][ T73] ipv6_find_idev+0x102/0x170 [ 9456.365711][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9456.365711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.365711][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.365711][ T73] netlink_unicast+0x449/0x710 [ 9456.365711][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.365711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.365711][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.365711][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.365711][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.365711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.365711][ T73] [ 9456.367234][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9456.367234][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9456.367234][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9456.367234][ T73] ipv6_find_idev+0x102/0x170 [ 9456.367234][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9456.367234][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.367234][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.367234][ T73] netlink_unicast+0x449/0x710 [ 9456.367234][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.367234][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.367234][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.367234][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.367234][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.367234][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.367234][ T73] [ 9456.368901][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9456.369140][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9456.369140][ T73] dst_init+0x84/0x4a0 [ 9456.369140][ T73] dst_alloc+0x97/0x150 [ 9456.369140][ T73] ip6_dst_alloc+0x23/0x90 [ 9456.369140][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9456.369140][ T73] ip6_pol_route+0x56f/0x840 [ 9456.369140][ T73] fib6_rule_lookup+0x456/0x630 [ 9456.369140][ T73] ip6_route_input+0x59c/0xa50 [ 9456.369140][ T73] ipv6_rcv+0x397/0x810 [ 9456.369140][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9456.369140][ T73] process_backlog+0x101/0x620 [ 9456.369140][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9456.369140][ T73] net_rx_action+0x495/0xbe0 [ 9456.369140][ T73] __do_softirq+0x1b5/0x7f6 [ 9456.369140][ T73] [ 9456.370774][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9456.370774][ T73] netdev_get_by_index+0x5e/0x80 [ 9456.370774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9456.370774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9456.370774][ T73] ip6_route_add+0x1c/0x140 [ 9456.370774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9456.370774][ T73] inet6_addr_add+0x4f8/0xa40 [ 9456.370774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9456.370774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.370774][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.370774][ T73] netlink_unicast+0x449/0x710 [ 9456.370774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.370774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.370774][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.370774][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.370774][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.370774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.370774][ T73] [ 9456.372748][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9456.372748][ T73] netdev_get_by_index+0x5e/0x80 [ 9456.372748][ T73] fib6_nh_init+0x3d8/0x1580 [ 9456.372748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9456.372748][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9456.372748][ T73] ipv6_add_addr+0x411/0x2000 [ 9456.372748][ T73] inet6_addr_add+0x30e/0xa40 [ 9456.372748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9456.372748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.372748][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.372748][ T73] netlink_unicast+0x449/0x710 [ 9456.372748][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.372748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.372748][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.372748][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.372748][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.372748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.372748][ T73] [ 9456.374722][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9456.374722][ T73] netdev_get_by_index+0x5e/0x80 [ 9456.374722][ T73] fib6_nh_init+0x3d8/0x1580 [ 9456.374722][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9456.374722][ T73] ip6_route_add+0x1c/0x140 [ 9456.374722][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9456.374722][ T73] addrconf_add_dev+0xe2/0x170 [ 9456.374722][ T73] inet6_addr_add+0x12f/0xa40 [ 9456.374722][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9456.374722][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.374722][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.374722][ T73] netlink_unicast+0x449/0x710 [ 9456.374722][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.374722][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.374722][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.374722][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.374722][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.374722][ T73] [ 9456.376666][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9456.376666][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9456.376666][ T73] ipv6_find_idev+0x102/0x170 [ 9456.376666][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9456.376666][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.376666][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.376666][ T73] netlink_unicast+0x449/0x710 [ 9456.376666][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.376666][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.376666][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.376666][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.376666][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.376666][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.376666][ T73] [ 9456.378185][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9456.378185][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9456.378185][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9456.378185][ T73] ipv6_find_idev+0x102/0x170 [ 9456.378185][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9456.378185][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9456.378185][ T73] netlink_rcv_skb+0x130/0x360 [ 9456.378185][ T73] netlink_unicast+0x449/0x710 [ 9456.378185][ T73] netlink_sendmsg+0x723/0xbe0 [ 9456.378185][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9456.378185][ T73] ___sys_sendmsg+0xee/0x170 [ 9456.378185][ T73] __sys_sendmsg+0xcd/0x170 [ 9456.378185][ T73] do_syscall_64+0xc6/0x1e0 [ 9456.378185][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9456.378185][ T73] [ 9463.525642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9463.526091][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9463.526091][ T1076] netdev_get_by_index+0x5e/0x80 [ 9463.526091][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9463.526091][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9463.526091][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9463.526091][ T1076] ipv6_add_addr+0x411/0x2000 [ 9463.526091][ T1076] inet6_addr_add+0x30e/0xa40 [ 9463.526091][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9463.526091][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.526091][ T1076] netlink_rcv_skb+0x130/0x360 [ 9463.526091][ T1076] netlink_unicast+0x449/0x710 [ 9463.526091][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9463.526091][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9463.526091][ T1076] ___sys_sendmsg+0xee/0x170 [ 9463.526091][ T1076] __sys_sendmsg+0xcd/0x170 [ 9463.526091][ T1076] do_syscall_64+0xc6/0x1e0 [ 9463.526091][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.526091][ T1076] [ 9463.528362][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9463.528362][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9463.528362][ T1076] ipv6_find_idev+0x102/0x170 [ 9463.528362][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.528362][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.528362][ T1076] netlink_rcv_skb+0x130/0x360 [ 9463.528362][ T1076] netlink_unicast+0x449/0x710 [ 9463.528362][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9463.528362][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9463.528362][ T1076] ___sys_sendmsg+0xee/0x170 [ 9463.528362][ T1076] __sys_sendmsg+0xcd/0x170 [ 9463.528362][ T1076] do_syscall_64+0xc6/0x1e0 [ 9463.528362][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.528362][ T1076] [ 9463.530163][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9463.530163][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9463.530163][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9463.530163][ T1076] ipv6_find_idev+0x102/0x170 [ 9463.530163][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9463.530163][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9463.530163][ T1076] netlink_rcv_skb+0x130/0x360 [ 9463.530163][ T1076] netlink_unicast+0x449/0x710 [ 9463.530163][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9463.530163][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9463.530163][ T1076] ___sys_sendmsg+0xee/0x170 [ 9463.530163][ T1076] __sys_sendmsg+0xcd/0x170 [ 9463.530163][ T1076] do_syscall_64+0xc6/0x1e0 [ 9463.530163][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9463.530163][ T1076] [ 9466.621722][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9466.622104][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9466.622104][ T73] dst_init+0x84/0x4a0 [ 9466.622104][ T73] dst_alloc+0x97/0x150 [ 9466.622104][ T73] ip6_dst_alloc+0x23/0x90 [ 9466.622104][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9466.622104][ T73] ip6_pol_route+0x56f/0x840 [ 9466.622104][ T73] fib6_rule_lookup+0x456/0x630 [ 9466.622104][ T73] ip6_route_input+0x59c/0xa50 [ 9466.622104][ T73] ipv6_rcv+0x397/0x810 [ 9466.622104][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9466.622104][ T73] process_backlog+0x101/0x620 [ 9466.622104][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9466.622104][ T73] net_rx_action+0x495/0xbe0 [ 9466.622104][ T73] __do_softirq+0x1b5/0x7f6 [ 9466.622104][ T73] [ 9466.623749][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9466.623749][ T73] netdev_get_by_index+0x5e/0x80 [ 9466.623749][ T73] fib6_nh_init+0x3d8/0x1580 [ 9466.623749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9466.623749][ T73] ip6_route_add+0x1c/0x140 [ 9466.623749][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9466.623749][ T73] inet6_addr_add+0x4f8/0xa40 [ 9466.623749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9466.623749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.623749][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.623749][ T73] netlink_unicast+0x449/0x710 [ 9466.623749][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.623749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.623749][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.623749][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.623749][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.623749][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.623749][ T73] [ 9466.625729][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9466.625729][ T73] netdev_get_by_index+0x5e/0x80 [ 9466.625729][ T73] fib6_nh_init+0x3d8/0x1580 [ 9466.625729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9466.625729][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9466.625729][ T73] ipv6_add_addr+0x411/0x2000 [ 9466.625729][ T73] inet6_addr_add+0x30e/0xa40 [ 9466.625729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9466.625729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.625729][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.625729][ T73] netlink_unicast+0x449/0x710 [ 9466.625729][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.625729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.625729][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.625729][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.625729][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.625729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.625729][ T73] [ 9466.627710][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9466.627710][ T73] netdev_get_by_index+0x5e/0x80 [ 9466.627710][ T73] fib6_nh_init+0x3d8/0x1580 [ 9466.627710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9466.627710][ T73] ip6_route_add+0x1c/0x140 [ 9466.627710][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9466.627710][ T73] addrconf_add_dev+0xe2/0x170 [ 9466.627710][ T73] inet6_addr_add+0x12f/0xa40 [ 9466.627710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9466.627710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.627710][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.627710][ T73] netlink_unicast+0x449/0x710 [ 9466.627710][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.627710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.627710][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.627710][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.627710][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.627710][ T73] [ 9466.629661][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9466.629661][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9466.629661][ T73] ipv6_find_idev+0x102/0x170 [ 9466.629661][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9466.629661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.629661][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.629661][ T73] netlink_unicast+0x449/0x710 [ 9466.629661][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.629661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.629661][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.629661][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.629661][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.629661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.629661][ T73] [ 9466.631201][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9466.631201][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9466.631201][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9466.631201][ T73] ipv6_find_idev+0x102/0x170 [ 9466.631201][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9466.631201][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.631201][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.631201][ T73] netlink_unicast+0x449/0x710 [ 9466.631201][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.631201][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.631201][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.631201][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.631201][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.631201][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.631201][ T73] [ 9466.632869][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9466.633114][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9466.633114][ T73] dst_init+0x84/0x4a0 [ 9466.633114][ T73] dst_alloc+0x97/0x150 [ 9466.633114][ T73] ip6_dst_alloc+0x23/0x90 [ 9466.633114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9466.633114][ T73] ip6_pol_route+0x56f/0x840 [ 9466.633114][ T73] fib6_rule_lookup+0x456/0x630 [ 9466.633114][ T73] ip6_route_input+0x59c/0xa50 [ 9466.633114][ T73] ipv6_rcv+0x397/0x810 [ 9466.633114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9466.633114][ T73] process_backlog+0x101/0x620 [ 9466.633114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9466.633114][ T73] net_rx_action+0x495/0xbe0 [ 9466.633114][ T73] __do_softirq+0x1b5/0x7f6 [ 9466.633114][ T73] [ 9466.634734][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9466.634734][ T73] netdev_get_by_index+0x5e/0x80 [ 9466.634734][ T73] fib6_nh_init+0x3d8/0x1580 [ 9466.634734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9466.634734][ T73] ip6_route_add+0x1c/0x140 [ 9466.634734][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9466.634734][ T73] inet6_addr_add+0x4f8/0xa40 [ 9466.634734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9466.634734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.634734][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.634734][ T73] netlink_unicast+0x449/0x710 [ 9466.634734][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.634734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.634734][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.634734][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.634734][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.634734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.634734][ T73] [ 9466.636710][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9466.636710][ T73] netdev_get_by_index+0x5e/0x80 [ 9466.636710][ T73] fib6_nh_init+0x3d8/0x1580 [ 9466.636710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9466.636710][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9466.636710][ T73] ipv6_add_addr+0x411/0x2000 [ 9466.636710][ T73] inet6_addr_add+0x30e/0xa40 [ 9466.636710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9466.636710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.636710][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.636710][ T73] netlink_unicast+0x449/0x710 [ 9466.636710][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.636710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.636710][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.636710][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.636710][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.636710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.636710][ T73] [ 9466.638707][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9466.638707][ T73] netdev_get_by_index+0x5e/0x80 [ 9466.638707][ T73] fib6_nh_init+0x3d8/0x1580 [ 9466.638707][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9466.638707][ T73] ip6_route_add+0x1c/0x140 [ 9466.638707][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9466.638707][ T73] addrconf_add_dev+0xe2/0x170 [ 9466.638707][ T73] inet6_addr_add+0x12f/0xa40 [ 9466.638707][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9466.638707][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.638707][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.638707][ T73] netlink_unicast+0x449/0x710 [ 9466.638707][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.638707][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.638707][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.638707][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.638707][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.638707][ T73] [ 9466.640657][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9466.640657][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9466.640657][ T73] ipv6_find_idev+0x102/0x170 [ 9466.640657][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9466.640657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.640657][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.640657][ T73] netlink_unicast+0x449/0x710 [ 9466.640657][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.640657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.640657][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.640657][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.640657][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.640657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.640657][ T73] [ 9466.642178][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9466.642178][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9466.642178][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9466.642178][ T73] ipv6_find_idev+0x102/0x170 [ 9466.642178][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9466.642178][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9466.642178][ T73] netlink_rcv_skb+0x130/0x360 [ 9466.642178][ T73] netlink_unicast+0x449/0x710 [ 9466.642178][ T73] netlink_sendmsg+0x723/0xbe0 [ 9466.642178][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9466.642178][ T73] ___sys_sendmsg+0xee/0x170 [ 9466.642178][ T73] __sys_sendmsg+0xcd/0x170 [ 9466.642178][ T73] do_syscall_64+0xc6/0x1e0 [ 9466.642178][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9466.642178][ T73] [ 9473.781644][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9473.782091][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9473.782091][ T1076] netdev_get_by_index+0x5e/0x80 [ 9473.782091][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9473.782091][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9473.782091][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9473.782091][ T1076] ipv6_add_addr+0x411/0x2000 [ 9473.782091][ T1076] inet6_addr_add+0x30e/0xa40 [ 9473.782091][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9473.782091][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.782091][ T1076] netlink_rcv_skb+0x130/0x360 [ 9473.782091][ T1076] netlink_unicast+0x449/0x710 [ 9473.782091][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9473.782091][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9473.782091][ T1076] ___sys_sendmsg+0xee/0x170 [ 9473.782091][ T1076] __sys_sendmsg+0xcd/0x170 [ 9473.782091][ T1076] do_syscall_64+0xc6/0x1e0 [ 9473.782091][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.782091][ T1076] [ 9473.784499][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9473.784499][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9473.784499][ T1076] ipv6_find_idev+0x102/0x170 [ 9473.784499][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9473.784499][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.784499][ T1076] netlink_rcv_skb+0x130/0x360 [ 9473.784499][ T1076] netlink_unicast+0x449/0x710 [ 9473.784499][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9473.784499][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9473.784499][ T1076] ___sys_sendmsg+0xee/0x170 [ 9473.784499][ T1076] __sys_sendmsg+0xcd/0x170 [ 9473.784499][ T1076] do_syscall_64+0xc6/0x1e0 [ 9473.784499][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.784499][ T1076] [ 9473.786248][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9473.786248][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9473.786248][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9473.786248][ T1076] ipv6_find_idev+0x102/0x170 [ 9473.786248][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9473.786248][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9473.786248][ T1076] netlink_rcv_skb+0x130/0x360 [ 9473.786248][ T1076] netlink_unicast+0x449/0x710 [ 9473.786248][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9473.786248][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9473.786248][ T1076] ___sys_sendmsg+0xee/0x170 [ 9473.786248][ T1076] __sys_sendmsg+0xcd/0x170 [ 9473.786248][ T1076] do_syscall_64+0xc6/0x1e0 [ 9473.786248][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9473.786248][ T1076] [ 9476.885727][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9476.886120][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9476.886120][ T73] dst_init+0x84/0x4a0 [ 9476.886120][ T73] dst_alloc+0x97/0x150 [ 9476.886120][ T73] ip6_dst_alloc+0x23/0x90 [ 9476.886120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9476.886120][ T73] ip6_pol_route+0x56f/0x840 [ 9476.886120][ T73] fib6_rule_lookup+0x456/0x630 [ 9476.886120][ T73] ip6_route_input+0x59c/0xa50 [ 9476.886120][ T73] ipv6_rcv+0x397/0x810 [ 9476.886120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9476.886120][ T73] process_backlog+0x101/0x620 [ 9476.886120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9476.886120][ T73] net_rx_action+0x495/0xbe0 [ 9476.886120][ T73] __do_softirq+0x1b5/0x7f6 [ 9476.886120][ T73] [ 9476.887780][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9476.887780][ T73] netdev_get_by_index+0x5e/0x80 [ 9476.887780][ T73] fib6_nh_init+0x3d8/0x1580 [ 9476.887780][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9476.887780][ T73] ip6_route_add+0x1c/0x140 [ 9476.887780][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9476.887780][ T73] inet6_addr_add+0x4f8/0xa40 [ 9476.887780][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.887780][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.887780][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.887780][ T73] netlink_unicast+0x449/0x710 [ 9476.887780][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.887780][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.887780][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.887780][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.887780][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.887780][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.887780][ T73] [ 9476.889782][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9476.889782][ T73] netdev_get_by_index+0x5e/0x80 [ 9476.889782][ T73] fib6_nh_init+0x3d8/0x1580 [ 9476.889782][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9476.889782][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9476.889782][ T73] ipv6_add_addr+0x411/0x2000 [ 9476.889782][ T73] inet6_addr_add+0x30e/0xa40 [ 9476.889782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.889782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.889782][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.889782][ T73] netlink_unicast+0x449/0x710 [ 9476.889782][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.889782][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.889782][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.889782][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.889782][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.889782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.889782][ T73] [ 9476.891770][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9476.891770][ T73] netdev_get_by_index+0x5e/0x80 [ 9476.891770][ T73] fib6_nh_init+0x3d8/0x1580 [ 9476.891770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9476.891770][ T73] ip6_route_add+0x1c/0x140 [ 9476.891770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9476.891770][ T73] addrconf_add_dev+0xe2/0x170 [ 9476.891770][ T73] inet6_addr_add+0x12f/0xa40 [ 9476.891770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.891770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.891770][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.891770][ T73] netlink_unicast+0x449/0x710 [ 9476.891770][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.891770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.891770][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.891770][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.891770][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.891770][ T73] [ 9476.893727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9476.893727][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9476.893727][ T73] ipv6_find_idev+0x102/0x170 [ 9476.893727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9476.893727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.893727][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.893727][ T73] netlink_unicast+0x449/0x710 [ 9476.893727][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.893727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.893727][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.893727][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.893727][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.893727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.893727][ T73] [ 9476.895261][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9476.895261][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9476.895261][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9476.895261][ T73] ipv6_find_idev+0x102/0x170 [ 9476.895261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9476.895261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.895261][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.895261][ T73] netlink_unicast+0x449/0x710 [ 9476.895261][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.895261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.895261][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.895261][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.895261][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.895261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.895261][ T73] [ 9476.896952][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9476.897191][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9476.897191][ T73] dst_init+0x84/0x4a0 [ 9476.897191][ T73] dst_alloc+0x97/0x150 [ 9476.897191][ T73] ip6_dst_alloc+0x23/0x90 [ 9476.897191][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9476.897191][ T73] ip6_pol_route+0x56f/0x840 [ 9476.897191][ T73] fib6_rule_lookup+0x456/0x630 [ 9476.897191][ T73] ip6_route_input+0x59c/0xa50 [ 9476.897191][ T73] ipv6_rcv+0x397/0x810 [ 9476.897191][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9476.897191][ T73] process_backlog+0x101/0x620 [ 9476.897191][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9476.897191][ T73] net_rx_action+0x495/0xbe0 [ 9476.897191][ T73] __do_softirq+0x1b5/0x7f6 [ 9476.897191][ T73] [ 9476.898819][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9476.898819][ T73] netdev_get_by_index+0x5e/0x80 [ 9476.898819][ T73] fib6_nh_init+0x3d8/0x1580 [ 9476.898819][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9476.898819][ T73] ip6_route_add+0x1c/0x140 [ 9476.898819][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9476.898819][ T73] inet6_addr_add+0x4f8/0xa40 [ 9476.898819][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.898819][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.898819][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.898819][ T73] netlink_unicast+0x449/0x710 [ 9476.898819][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.898819][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.898819][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.898819][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.898819][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.898819][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.898819][ T73] [ 9476.900811][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9476.900811][ T73] netdev_get_by_index+0x5e/0x80 [ 9476.900811][ T73] fib6_nh_init+0x3d8/0x1580 [ 9476.900811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9476.900811][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9476.900811][ T73] ipv6_add_addr+0x411/0x2000 [ 9476.900811][ T73] inet6_addr_add+0x30e/0xa40 [ 9476.900811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.900811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.900811][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.900811][ T73] netlink_unicast+0x449/0x710 [ 9476.900811][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.900811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.900811][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.900811][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.900811][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.900811][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.900811][ T73] [ 9476.902797][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9476.902797][ T73] netdev_get_by_index+0x5e/0x80 [ 9476.902797][ T73] fib6_nh_init+0x3d8/0x1580 [ 9476.902797][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9476.902797][ T73] ip6_route_add+0x1c/0x140 [ 9476.902797][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9476.902797][ T73] addrconf_add_dev+0xe2/0x170 [ 9476.902797][ T73] inet6_addr_add+0x12f/0xa40 [ 9476.902797][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9476.902797][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.902797][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.902797][ T73] netlink_unicast+0x449/0x710 [ 9476.902797][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.902797][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.902797][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.902797][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.902797][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.902797][ T73] [ 9476.904750][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9476.904750][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9476.904750][ T73] ipv6_find_idev+0x102/0x170 [ 9476.904750][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9476.904750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.904750][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.904750][ T73] netlink_unicast+0x449/0x710 [ 9476.904750][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.904750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.904750][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.904750][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.904750][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.904750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.904750][ T73] [ 9476.906280][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9476.906280][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9476.906280][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9476.906280][ T73] ipv6_find_idev+0x102/0x170 [ 9476.906280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9476.906280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9476.906280][ T73] netlink_rcv_skb+0x130/0x360 [ 9476.906280][ T73] netlink_unicast+0x449/0x710 [ 9476.906280][ T73] netlink_sendmsg+0x723/0xbe0 [ 9476.906280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9476.906280][ T73] ___sys_sendmsg+0xee/0x170 [ 9476.906280][ T73] __sys_sendmsg+0xcd/0x170 [ 9476.906280][ T73] do_syscall_64+0xc6/0x1e0 [ 9476.906280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9476.906280][ T73] [ 9484.037648][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9484.038151][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9484.038151][ T1076] netdev_get_by_index+0x5e/0x80 [ 9484.038151][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9484.038151][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9484.038151][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9484.038151][ T1076] ipv6_add_addr+0x411/0x2000 [ 9484.038151][ T1076] inet6_addr_add+0x30e/0xa40 [ 9484.038151][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9484.038151][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.038151][ T1076] netlink_rcv_skb+0x130/0x360 [ 9484.038151][ T1076] netlink_unicast+0x449/0x710 [ 9484.038151][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9484.038151][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9484.038151][ T1076] ___sys_sendmsg+0xee/0x170 [ 9484.038151][ T1076] __sys_sendmsg+0xcd/0x170 [ 9484.038151][ T1076] do_syscall_64+0xc6/0x1e0 [ 9484.038151][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.038151][ T1076] [ 9484.040465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9484.040465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9484.040465][ T1076] ipv6_find_idev+0x102/0x170 [ 9484.040465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.040465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.040465][ T1076] netlink_rcv_skb+0x130/0x360 [ 9484.040465][ T1076] netlink_unicast+0x449/0x710 [ 9484.040465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9484.040465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9484.040465][ T1076] ___sys_sendmsg+0xee/0x170 [ 9484.040465][ T1076] __sys_sendmsg+0xcd/0x170 [ 9484.040465][ T1076] do_syscall_64+0xc6/0x1e0 [ 9484.040465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.040465][ T1076] [ 9484.042212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9484.042212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9484.042212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9484.042212][ T1076] ipv6_find_idev+0x102/0x170 [ 9484.042212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9484.042212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9484.042212][ T1076] netlink_rcv_skb+0x130/0x360 [ 9484.042212][ T1076] netlink_unicast+0x449/0x710 [ 9484.042212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9484.042212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9484.042212][ T1076] ___sys_sendmsg+0xee/0x170 [ 9484.042212][ T1076] __sys_sendmsg+0xcd/0x170 [ 9484.042212][ T1076] do_syscall_64+0xc6/0x1e0 [ 9484.042212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9484.042212][ T1076] [ 9487.149697][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9487.150036][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9487.150036][ T73] dst_init+0x84/0x4a0 [ 9487.150036][ T73] dst_alloc+0x97/0x150 [ 9487.150036][ T73] ip6_dst_alloc+0x23/0x90 [ 9487.150036][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9487.150036][ T73] ip6_pol_route+0x56f/0x840 [ 9487.150036][ T73] fib6_rule_lookup+0x456/0x630 [ 9487.150036][ T73] ip6_route_input+0x59c/0xa50 [ 9487.150036][ T73] ipv6_rcv+0x397/0x810 [ 9487.150036][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9487.150036][ T73] process_backlog+0x101/0x620 [ 9487.150036][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9487.150036][ T73] net_rx_action+0x495/0xbe0 [ 9487.150036][ T73] __do_softirq+0x1b5/0x7f6 [ 9487.150036][ T73] [ 9487.151683][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9487.151683][ T73] netdev_get_by_index+0x5e/0x80 [ 9487.151683][ T73] fib6_nh_init+0x3d8/0x1580 [ 9487.151683][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9487.151683][ T73] ip6_route_add+0x1c/0x140 [ 9487.151683][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9487.151683][ T73] inet6_addr_add+0x4f8/0xa40 [ 9487.151683][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9487.151683][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.151683][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.151683][ T73] netlink_unicast+0x449/0x710 [ 9487.151683][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.151683][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.151683][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.151683][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.151683][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.151683][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.151683][ T73] [ 9487.153692][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9487.153692][ T73] netdev_get_by_index+0x5e/0x80 [ 9487.153692][ T73] fib6_nh_init+0x3d8/0x1580 [ 9487.153692][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9487.153692][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9487.153692][ T73] ipv6_add_addr+0x411/0x2000 [ 9487.153692][ T73] inet6_addr_add+0x30e/0xa40 [ 9487.153692][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9487.153692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.153692][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.153692][ T73] netlink_unicast+0x449/0x710 [ 9487.153692][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.153692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.153692][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.153692][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.153692][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.153692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.153692][ T73] [ 9487.155678][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9487.155678][ T73] netdev_get_by_index+0x5e/0x80 [ 9487.155678][ T73] fib6_nh_init+0x3d8/0x1580 [ 9487.155678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9487.155678][ T73] ip6_route_add+0x1c/0x140 [ 9487.155678][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9487.155678][ T73] addrconf_add_dev+0xe2/0x170 [ 9487.155678][ T73] inet6_addr_add+0x12f/0xa40 [ 9487.155678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9487.155678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.155678][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.155678][ T73] netlink_unicast+0x449/0x710 [ 9487.155678][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.155678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.155678][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.155678][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.155678][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.155678][ T73] [ 9487.157632][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9487.157632][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9487.157632][ T73] ipv6_find_idev+0x102/0x170 [ 9487.157632][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9487.157632][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.157632][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.157632][ T73] netlink_unicast+0x449/0x710 [ 9487.157632][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.157632][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.157632][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.157632][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.157632][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.157632][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.157632][ T73] [ 9487.159165][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9487.159165][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9487.159165][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9487.159165][ T73] ipv6_find_idev+0x102/0x170 [ 9487.159165][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9487.159165][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.159165][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.159165][ T73] netlink_unicast+0x449/0x710 [ 9487.159165][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.159165][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.159165][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.159165][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.159165][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.159165][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.159165][ T73] [ 9487.160845][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9487.161083][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9487.161083][ T73] dst_init+0x84/0x4a0 [ 9487.161083][ T73] dst_alloc+0x97/0x150 [ 9487.161083][ T73] ip6_dst_alloc+0x23/0x90 [ 9487.161083][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9487.161083][ T73] ip6_pol_route+0x56f/0x840 [ 9487.161083][ T73] fib6_rule_lookup+0x456/0x630 [ 9487.161083][ T73] ip6_route_input+0x59c/0xa50 [ 9487.161083][ T73] ipv6_rcv+0x397/0x810 [ 9487.161083][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9487.161083][ T73] process_backlog+0x101/0x620 [ 9487.161083][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9487.161083][ T73] net_rx_action+0x495/0xbe0 [ 9487.161083][ T73] __do_softirq+0x1b5/0x7f6 [ 9487.161083][ T73] [ 9487.162719][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9487.162719][ T73] netdev_get_by_index+0x5e/0x80 [ 9487.162719][ T73] fib6_nh_init+0x3d8/0x1580 [ 9487.162719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9487.162719][ T73] ip6_route_add+0x1c/0x140 [ 9487.162719][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9487.162719][ T73] inet6_addr_add+0x4f8/0xa40 [ 9487.162719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9487.162719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.162719][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.162719][ T73] netlink_unicast+0x449/0x710 [ 9487.162719][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.162719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.162719][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.162719][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.162719][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.162719][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.162719][ T73] [ 9487.164710][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9487.164710][ T73] netdev_get_by_index+0x5e/0x80 [ 9487.164710][ T73] fib6_nh_init+0x3d8/0x1580 [ 9487.164710][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9487.164710][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9487.164710][ T73] ipv6_add_addr+0x411/0x2000 [ 9487.164710][ T73] inet6_addr_add+0x30e/0xa40 [ 9487.164710][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9487.164710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.164710][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.164710][ T73] netlink_unicast+0x449/0x710 [ 9487.164710][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.164710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.164710][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.164710][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.164710][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.164710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.164710][ T73] [ 9487.167213][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9487.167213][ T73] netdev_get_by_index+0x5e/0x80 [ 9487.167213][ T73] fib6_nh_init+0x3d8/0x1580 [ 9487.167213][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9487.167213][ T73] ip6_route_add+0x1c/0x140 [ 9487.167213][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9487.167213][ T73] addrconf_add_dev+0xe2/0x170 [ 9487.167213][ T73] inet6_addr_add+0x12f/0xa40 [ 9487.167213][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9487.167213][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.167213][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.167213][ T73] netlink_unicast+0x449/0x710 [ 9487.167213][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.167213][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.167213][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.167213][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.167213][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.167213][ T73] [ 9487.169190][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9487.169190][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9487.169190][ T73] ipv6_find_idev+0x102/0x170 [ 9487.169190][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9487.169190][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.169190][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.169190][ T73] netlink_unicast+0x449/0x710 [ 9487.169190][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.169190][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.169190][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.169190][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.169190][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.169190][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.169190][ T73] [ 9487.170726][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9487.170726][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9487.170726][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9487.170726][ T73] ipv6_find_idev+0x102/0x170 [ 9487.170726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9487.170726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9487.170726][ T73] netlink_rcv_skb+0x130/0x360 [ 9487.170726][ T73] netlink_unicast+0x449/0x710 [ 9487.170726][ T73] netlink_sendmsg+0x723/0xbe0 [ 9487.170726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9487.170726][ T73] ___sys_sendmsg+0xee/0x170 [ 9487.170726][ T73] __sys_sendmsg+0xcd/0x170 [ 9487.170726][ T73] do_syscall_64+0xc6/0x1e0 [ 9487.170726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9487.170726][ T73] [ 9494.293639][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9494.294146][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9494.294146][ T1076] netdev_get_by_index+0x5e/0x80 [ 9494.294146][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9494.294146][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9494.294146][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9494.294146][ T1076] ipv6_add_addr+0x411/0x2000 [ 9494.294146][ T1076] inet6_addr_add+0x30e/0xa40 [ 9494.294146][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9494.294146][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.294146][ T1076] netlink_rcv_skb+0x130/0x360 [ 9494.294146][ T1076] netlink_unicast+0x449/0x710 [ 9494.294146][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9494.294146][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9494.294146][ T1076] ___sys_sendmsg+0xee/0x170 [ 9494.294146][ T1076] __sys_sendmsg+0xcd/0x170 [ 9494.294146][ T1076] do_syscall_64+0xc6/0x1e0 [ 9494.294146][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.294146][ T1076] [ 9494.296427][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9494.296427][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9494.296427][ T1076] ipv6_find_idev+0x102/0x170 [ 9494.296427][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.296427][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.296427][ T1076] netlink_rcv_skb+0x130/0x360 [ 9494.296427][ T1076] netlink_unicast+0x449/0x710 [ 9494.296427][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9494.296427][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9494.296427][ T1076] ___sys_sendmsg+0xee/0x170 [ 9494.296427][ T1076] __sys_sendmsg+0xcd/0x170 [ 9494.296427][ T1076] do_syscall_64+0xc6/0x1e0 [ 9494.296427][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.296427][ T1076] [ 9494.298178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9494.298178][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9494.298178][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9494.298178][ T1076] ipv6_find_idev+0x102/0x170 [ 9494.298178][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9494.298178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9494.298178][ T1076] netlink_rcv_skb+0x130/0x360 [ 9494.298178][ T1076] netlink_unicast+0x449/0x710 [ 9494.298178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9494.298178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9494.298178][ T1076] ___sys_sendmsg+0xee/0x170 [ 9494.298178][ T1076] __sys_sendmsg+0xcd/0x170 [ 9494.298178][ T1076] do_syscall_64+0xc6/0x1e0 [ 9494.298178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9494.298178][ T1076] [ 9497.413636][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9497.414018][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9497.414018][ T73] dst_init+0x84/0x4a0 [ 9497.414018][ T73] dst_alloc+0x97/0x150 [ 9497.414018][ T73] ip6_dst_alloc+0x23/0x90 [ 9497.414018][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9497.414018][ T73] ip6_pol_route+0x56f/0x840 [ 9497.414018][ T73] fib6_rule_lookup+0x456/0x630 [ 9497.414018][ T73] ip6_route_input+0x59c/0xa50 [ 9497.414018][ T73] ipv6_rcv+0x397/0x810 [ 9497.414018][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9497.414018][ T73] process_backlog+0x101/0x620 [ 9497.414018][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9497.414018][ T73] net_rx_action+0x495/0xbe0 [ 9497.414018][ T73] __do_softirq+0x1b5/0x7f6 [ 9497.414018][ T73] [ 9497.415674][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9497.415674][ T73] netdev_get_by_index+0x5e/0x80 [ 9497.415674][ T73] fib6_nh_init+0x3d8/0x1580 [ 9497.415674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9497.415674][ T73] ip6_route_add+0x1c/0x140 [ 9497.415674][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9497.415674][ T73] inet6_addr_add+0x4f8/0xa40 [ 9497.415674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9497.415674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.415674][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.415674][ T73] netlink_unicast+0x449/0x710 [ 9497.415674][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.415674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.415674][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.415674][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.415674][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.415674][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.415674][ T73] [ 9497.417679][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9497.417679][ T73] netdev_get_by_index+0x5e/0x80 [ 9497.417679][ T73] fib6_nh_init+0x3d8/0x1580 [ 9497.417679][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9497.417679][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9497.417679][ T73] ipv6_add_addr+0x411/0x2000 [ 9497.417679][ T73] inet6_addr_add+0x30e/0xa40 [ 9497.417679][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9497.417679][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.417679][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.417679][ T73] netlink_unicast+0x449/0x710 [ 9497.417679][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.417679][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.417679][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.417679][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.417679][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.417679][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.417679][ T73] [ 9497.419674][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9497.419674][ T73] netdev_get_by_index+0x5e/0x80 [ 9497.419674][ T73] fib6_nh_init+0x3d8/0x1580 [ 9497.419674][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9497.419674][ T73] ip6_route_add+0x1c/0x140 [ 9497.419674][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9497.419674][ T73] addrconf_add_dev+0xe2/0x170 [ 9497.419674][ T73] inet6_addr_add+0x12f/0xa40 [ 9497.419674][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9497.419674][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.419674][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.419674][ T73] netlink_unicast+0x449/0x710 [ 9497.419674][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.419674][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.419674][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.419674][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.419674][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.419674][ T73] [ 9497.421641][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9497.421641][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9497.421641][ T73] ipv6_find_idev+0x102/0x170 [ 9497.421641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9497.421641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.421641][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.421641][ T73] netlink_unicast+0x449/0x710 [ 9497.421641][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.421641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.421641][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.421641][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.421641][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.421641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.421641][ T73] [ 9497.423179][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9497.423179][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9497.423179][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9497.423179][ T73] ipv6_find_idev+0x102/0x170 [ 9497.423179][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9497.423179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.423179][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.423179][ T73] netlink_unicast+0x449/0x710 [ 9497.423179][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.423179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.423179][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.423179][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.423179][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.423179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.423179][ T73] [ 9497.424856][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9497.425098][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9497.425098][ T73] dst_init+0x84/0x4a0 [ 9497.425098][ T73] dst_alloc+0x97/0x150 [ 9497.425098][ T73] ip6_dst_alloc+0x23/0x90 [ 9497.425098][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9497.425098][ T73] ip6_pol_route+0x56f/0x840 [ 9497.425098][ T73] fib6_rule_lookup+0x456/0x630 [ 9497.425098][ T73] ip6_route_input+0x59c/0xa50 [ 9497.425098][ T73] ipv6_rcv+0x397/0x810 [ 9497.425098][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9497.425098][ T73] process_backlog+0x101/0x620 [ 9497.425098][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9497.425098][ T73] net_rx_action+0x495/0xbe0 [ 9497.425098][ T73] __do_softirq+0x1b5/0x7f6 [ 9497.425098][ T73] [ 9497.426732][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9497.426732][ T73] netdev_get_by_index+0x5e/0x80 [ 9497.426732][ T73] fib6_nh_init+0x3d8/0x1580 [ 9497.426732][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9497.426732][ T73] ip6_route_add+0x1c/0x140 [ 9497.426732][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9497.426732][ T73] inet6_addr_add+0x4f8/0xa40 [ 9497.426732][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9497.426732][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.426732][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.426732][ T73] netlink_unicast+0x449/0x710 [ 9497.426732][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.426732][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.426732][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.426732][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.426732][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.426732][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.426732][ T73] [ 9497.428825][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9497.428825][ T73] netdev_get_by_index+0x5e/0x80 [ 9497.428825][ T73] fib6_nh_init+0x3d8/0x1580 [ 9497.428825][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9497.428825][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9497.428825][ T73] ipv6_add_addr+0x411/0x2000 [ 9497.428825][ T73] inet6_addr_add+0x30e/0xa40 [ 9497.428825][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9497.428825][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.428825][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.428825][ T73] netlink_unicast+0x449/0x710 [ 9497.428825][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.428825][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.428825][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.428825][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.428825][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.428825][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.428825][ T73] [ 9497.430805][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9497.430805][ T73] netdev_get_by_index+0x5e/0x80 [ 9497.430805][ T73] fib6_nh_init+0x3d8/0x1580 [ 9497.430805][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9497.430805][ T73] ip6_route_add+0x1c/0x140 [ 9497.430805][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9497.430805][ T73] addrconf_add_dev+0xe2/0x170 [ 9497.430805][ T73] inet6_addr_add+0x12f/0xa40 [ 9497.430805][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9497.430805][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.430805][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.430805][ T73] netlink_unicast+0x449/0x710 [ 9497.430805][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.430805][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.430805][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.430805][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.430805][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.430805][ T73] [ 9497.432752][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9497.432752][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9497.432752][ T73] ipv6_find_idev+0x102/0x170 [ 9497.432752][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9497.432752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.432752][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.432752][ T73] netlink_unicast+0x449/0x710 [ 9497.432752][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.432752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.432752][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.432752][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.432752][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.432752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.432752][ T73] [ 9497.434271][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9497.434271][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9497.434271][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9497.434271][ T73] ipv6_find_idev+0x102/0x170 [ 9497.434271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9497.434271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9497.434271][ T73] netlink_rcv_skb+0x130/0x360 [ 9497.434271][ T73] netlink_unicast+0x449/0x710 [ 9497.434271][ T73] netlink_sendmsg+0x723/0xbe0 [ 9497.434271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9497.434271][ T73] ___sys_sendmsg+0xee/0x170 [ 9497.434271][ T73] __sys_sendmsg+0xcd/0x170 [ 9497.434271][ T73] do_syscall_64+0xc6/0x1e0 [ 9497.434271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9497.434271][ T73] [ 9504.549649][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9504.550103][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9504.550103][ T1076] netdev_get_by_index+0x5e/0x80 [ 9504.550103][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9504.550103][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9504.550103][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9504.550103][ T1076] ipv6_add_addr+0x411/0x2000 [ 9504.550103][ T1076] inet6_addr_add+0x30e/0xa40 [ 9504.550103][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9504.550103][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.550103][ T1076] netlink_rcv_skb+0x130/0x360 [ 9504.550103][ T1076] netlink_unicast+0x449/0x710 [ 9504.550103][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9504.550103][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9504.550103][ T1076] ___sys_sendmsg+0xee/0x170 [ 9504.550103][ T1076] __sys_sendmsg+0xcd/0x170 [ 9504.550103][ T1076] do_syscall_64+0xc6/0x1e0 [ 9504.550103][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.550103][ T1076] [ 9504.552379][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9504.552379][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9504.552379][ T1076] ipv6_find_idev+0x102/0x170 [ 9504.552379][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.552379][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.552379][ T1076] netlink_rcv_skb+0x130/0x360 [ 9504.552379][ T1076] netlink_unicast+0x449/0x710 [ 9504.552379][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9504.552379][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9504.552379][ T1076] ___sys_sendmsg+0xee/0x170 [ 9504.552379][ T1076] __sys_sendmsg+0xcd/0x170 [ 9504.552379][ T1076] do_syscall_64+0xc6/0x1e0 [ 9504.552379][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.552379][ T1076] [ 9504.554127][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9504.554127][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9504.554127][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9504.554127][ T1076] ipv6_find_idev+0x102/0x170 [ 9504.554127][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9504.554127][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9504.554127][ T1076] netlink_rcv_skb+0x130/0x360 [ 9504.554127][ T1076] netlink_unicast+0x449/0x710 [ 9504.554127][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9504.554127][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9504.554127][ T1076] ___sys_sendmsg+0xee/0x170 [ 9504.554127][ T1076] __sys_sendmsg+0xcd/0x170 [ 9504.554127][ T1076] do_syscall_64+0xc6/0x1e0 [ 9504.554127][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9504.554127][ T1076] [ 9507.677638][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9507.678032][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9507.678032][ T73] dst_init+0x84/0x4a0 [ 9507.678032][ T73] dst_alloc+0x97/0x150 [ 9507.678032][ T73] ip6_dst_alloc+0x23/0x90 [ 9507.678032][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9507.678032][ T73] ip6_pol_route+0x56f/0x840 [ 9507.678032][ T73] fib6_rule_lookup+0x456/0x630 [ 9507.678032][ T73] ip6_route_input+0x59c/0xa50 [ 9507.678032][ T73] ipv6_rcv+0x397/0x810 [ 9507.678032][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9507.678032][ T73] process_backlog+0x101/0x620 [ 9507.678032][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9507.678032][ T73] net_rx_action+0x495/0xbe0 [ 9507.678032][ T73] __do_softirq+0x1b5/0x7f6 [ 9507.678032][ T73] [ 9507.679681][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9507.679681][ T73] netdev_get_by_index+0x5e/0x80 [ 9507.679681][ T73] fib6_nh_init+0x3d8/0x1580 [ 9507.679681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9507.679681][ T73] ip6_route_add+0x1c/0x140 [ 9507.679681][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9507.679681][ T73] inet6_addr_add+0x4f8/0xa40 [ 9507.679681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9507.679681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.679681][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.679681][ T73] netlink_unicast+0x449/0x710 [ 9507.679681][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.679681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.679681][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.679681][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.679681][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.679681][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.679681][ T73] [ 9507.681661][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9507.681661][ T73] netdev_get_by_index+0x5e/0x80 [ 9507.681661][ T73] fib6_nh_init+0x3d8/0x1580 [ 9507.681661][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9507.681661][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9507.681661][ T73] ipv6_add_addr+0x411/0x2000 [ 9507.681661][ T73] inet6_addr_add+0x30e/0xa40 [ 9507.681661][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9507.681661][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.681661][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.681661][ T73] netlink_unicast+0x449/0x710 [ 9507.681661][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.681661][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.681661][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.681661][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.681661][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.681661][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.681661][ T73] [ 9507.683639][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9507.683639][ T73] netdev_get_by_index+0x5e/0x80 [ 9507.683639][ T73] fib6_nh_init+0x3d8/0x1580 [ 9507.683639][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9507.683639][ T73] ip6_route_add+0x1c/0x140 [ 9507.683639][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9507.683639][ T73] addrconf_add_dev+0xe2/0x170 [ 9507.683639][ T73] inet6_addr_add+0x12f/0xa40 [ 9507.683639][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9507.683639][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.683639][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.683639][ T73] netlink_unicast+0x449/0x710 [ 9507.683639][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.683639][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.683639][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.683639][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.683639][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.683639][ T73] [ 9507.685583][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9507.685583][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9507.685583][ T73] ipv6_find_idev+0x102/0x170 [ 9507.685583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9507.685583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.685583][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.685583][ T73] netlink_unicast+0x449/0x710 [ 9507.685583][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.685583][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.685583][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.685583][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.685583][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.685583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.685583][ T73] [ 9507.687120][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9507.687120][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9507.687120][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9507.687120][ T73] ipv6_find_idev+0x102/0x170 [ 9507.687120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9507.687120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.687120][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.687120][ T73] netlink_unicast+0x449/0x710 [ 9507.687120][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.687120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.687120][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.687120][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.687120][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.687120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.687120][ T73] [ 9507.688788][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9507.689025][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9507.689025][ T73] dst_init+0x84/0x4a0 [ 9507.689025][ T73] dst_alloc+0x97/0x150 [ 9507.689025][ T73] ip6_dst_alloc+0x23/0x90 [ 9507.689025][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9507.689025][ T73] ip6_pol_route+0x56f/0x840 [ 9507.689025][ T73] fib6_rule_lookup+0x456/0x630 [ 9507.689025][ T73] ip6_route_input+0x59c/0xa50 [ 9507.689025][ T73] ipv6_rcv+0x397/0x810 [ 9507.689025][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9507.689025][ T73] process_backlog+0x101/0x620 [ 9507.689025][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9507.689025][ T73] net_rx_action+0x495/0xbe0 [ 9507.689025][ T73] __do_softirq+0x1b5/0x7f6 [ 9507.689025][ T73] [ 9507.690665][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9507.690665][ T73] netdev_get_by_index+0x5e/0x80 [ 9507.690665][ T73] fib6_nh_init+0x3d8/0x1580 [ 9507.690665][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9507.690665][ T73] ip6_route_add+0x1c/0x140 [ 9507.690665][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9507.690665][ T73] inet6_addr_add+0x4f8/0xa40 [ 9507.690665][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9507.690665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.690665][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.690665][ T73] netlink_unicast+0x449/0x710 [ 9507.690665][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.690665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.690665][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.690665][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.690665][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.690665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.690665][ T73] [ 9507.692646][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9507.692646][ T73] netdev_get_by_index+0x5e/0x80 [ 9507.692646][ T73] fib6_nh_init+0x3d8/0x1580 [ 9507.692646][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9507.692646][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9507.692646][ T73] ipv6_add_addr+0x411/0x2000 [ 9507.692646][ T73] inet6_addr_add+0x30e/0xa40 [ 9507.692646][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9507.692646][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.692646][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.692646][ T73] netlink_unicast+0x449/0x710 [ 9507.692646][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.692646][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.692646][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.692646][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.692646][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.692646][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.692646][ T73] [ 9507.694633][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9507.694633][ T73] netdev_get_by_index+0x5e/0x80 [ 9507.694633][ T73] fib6_nh_init+0x3d8/0x1580 [ 9507.694633][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9507.694633][ T73] ip6_route_add+0x1c/0x140 [ 9507.694633][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9507.694633][ T73] addrconf_add_dev+0xe2/0x170 [ 9507.694633][ T73] inet6_addr_add+0x12f/0xa40 [ 9507.694633][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9507.694633][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.694633][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.694633][ T73] netlink_unicast+0x449/0x710 [ 9507.694633][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.694633][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.694633][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.694633][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.694633][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.694633][ T73] [ 9507.696584][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9507.696584][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9507.696584][ T73] ipv6_find_idev+0x102/0x170 [ 9507.696584][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9507.696584][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.696584][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.696584][ T73] netlink_unicast+0x449/0x710 [ 9507.696584][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.696584][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.696584][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.696584][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.696584][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.696584][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.696584][ T73] [ 9507.698110][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9507.698110][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9507.698110][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9507.698110][ T73] ipv6_find_idev+0x102/0x170 [ 9507.698110][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9507.698110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9507.698110][ T73] netlink_rcv_skb+0x130/0x360 [ 9507.698110][ T73] netlink_unicast+0x449/0x710 [ 9507.698110][ T73] netlink_sendmsg+0x723/0xbe0 [ 9507.698110][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9507.698110][ T73] ___sys_sendmsg+0xee/0x170 [ 9507.698110][ T73] __sys_sendmsg+0xcd/0x170 [ 9507.698110][ T73] do_syscall_64+0xc6/0x1e0 [ 9507.698110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9507.698110][ T73] [ 9514.805642][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9514.806137][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9514.806137][ T1076] netdev_get_by_index+0x5e/0x80 [ 9514.806137][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9514.806137][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9514.806137][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9514.806137][ T1076] ipv6_add_addr+0x411/0x2000 [ 9514.806137][ T1076] inet6_addr_add+0x30e/0xa40 [ 9514.806137][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9514.806137][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.806137][ T1076] netlink_rcv_skb+0x130/0x360 [ 9514.806137][ T1076] netlink_unicast+0x449/0x710 [ 9514.806137][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9514.806137][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9514.806137][ T1076] ___sys_sendmsg+0xee/0x170 [ 9514.806137][ T1076] __sys_sendmsg+0xcd/0x170 [ 9514.806137][ T1076] do_syscall_64+0xc6/0x1e0 [ 9514.806137][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.806137][ T1076] [ 9514.808416][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9514.808416][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9514.808416][ T1076] ipv6_find_idev+0x102/0x170 [ 9514.808416][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9514.808416][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.808416][ T1076] netlink_rcv_skb+0x130/0x360 [ 9514.808416][ T1076] netlink_unicast+0x449/0x710 [ 9514.808416][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9514.808416][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9514.808416][ T1076] ___sys_sendmsg+0xee/0x170 [ 9514.808416][ T1076] __sys_sendmsg+0xcd/0x170 [ 9514.808416][ T1076] do_syscall_64+0xc6/0x1e0 [ 9514.808416][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.808416][ T1076] [ 9514.810261][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9514.810261][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9514.810261][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9514.810261][ T1076] ipv6_find_idev+0x102/0x170 [ 9514.810261][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9514.810261][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9514.810261][ T1076] netlink_rcv_skb+0x130/0x360 [ 9514.810261][ T1076] netlink_unicast+0x449/0x710 [ 9514.810261][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9514.810261][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9514.810261][ T1076] ___sys_sendmsg+0xee/0x170 [ 9514.810261][ T1076] __sys_sendmsg+0xcd/0x170 [ 9514.810261][ T1076] do_syscall_64+0xc6/0x1e0 [ 9514.810261][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9514.810261][ T1076] [ 9517.941727][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9517.942119][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9517.942119][ T73] dst_init+0x84/0x4a0 [ 9517.942119][ T73] dst_alloc+0x97/0x150 [ 9517.942119][ T73] ip6_dst_alloc+0x23/0x90 [ 9517.942119][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9517.942119][ T73] ip6_pol_route+0x56f/0x840 [ 9517.942119][ T73] fib6_rule_lookup+0x456/0x630 [ 9517.942119][ T73] ip6_route_input+0x59c/0xa50 [ 9517.942119][ T73] ipv6_rcv+0x397/0x810 [ 9517.942119][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9517.942119][ T73] process_backlog+0x101/0x620 [ 9517.942119][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9517.942119][ T73] net_rx_action+0x495/0xbe0 [ 9517.942119][ T73] __do_softirq+0x1b5/0x7f6 [ 9517.942119][ T73] [ 9517.943770][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9517.943770][ T73] netdev_get_by_index+0x5e/0x80 [ 9517.943770][ T73] fib6_nh_init+0x3d8/0x1580 [ 9517.943770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9517.943770][ T73] ip6_route_add+0x1c/0x140 [ 9517.943770][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9517.943770][ T73] inet6_addr_add+0x4f8/0xa40 [ 9517.943770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.943770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.943770][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.943770][ T73] netlink_unicast+0x449/0x710 [ 9517.943770][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.943770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.943770][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.943770][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.943770][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.943770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.943770][ T73] [ 9517.945752][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9517.945752][ T73] netdev_get_by_index+0x5e/0x80 [ 9517.945752][ T73] fib6_nh_init+0x3d8/0x1580 [ 9517.945752][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9517.945752][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9517.945752][ T73] ipv6_add_addr+0x411/0x2000 [ 9517.945752][ T73] inet6_addr_add+0x30e/0xa40 [ 9517.945752][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.945752][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.945752][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.945752][ T73] netlink_unicast+0x449/0x710 [ 9517.945752][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.945752][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.945752][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.945752][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.945752][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.945752][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.945752][ T73] [ 9517.947743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9517.947743][ T73] netdev_get_by_index+0x5e/0x80 [ 9517.947743][ T73] fib6_nh_init+0x3d8/0x1580 [ 9517.947743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9517.947743][ T73] ip6_route_add+0x1c/0x140 [ 9517.947743][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9517.947743][ T73] addrconf_add_dev+0xe2/0x170 [ 9517.947743][ T73] inet6_addr_add+0x12f/0xa40 [ 9517.947743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.947743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.947743][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.947743][ T73] netlink_unicast+0x449/0x710 [ 9517.947743][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.947743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.947743][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.947743][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.947743][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.947743][ T73] [ 9517.949703][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9517.949703][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9517.949703][ T73] ipv6_find_idev+0x102/0x170 [ 9517.949703][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9517.949703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.949703][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.949703][ T73] netlink_unicast+0x449/0x710 [ 9517.949703][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.949703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.949703][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.949703][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.949703][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.949703][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.949703][ T73] [ 9517.951236][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9517.951236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9517.951236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9517.951236][ T73] ipv6_find_idev+0x102/0x170 [ 9517.951236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9517.951236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.951236][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.951236][ T73] netlink_unicast+0x449/0x710 [ 9517.951236][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.951236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.951236][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.951236][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.951236][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.951236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.951236][ T73] [ 9517.952906][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9517.953144][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9517.953144][ T73] dst_init+0x84/0x4a0 [ 9517.953144][ T73] dst_alloc+0x97/0x150 [ 9517.953144][ T73] ip6_dst_alloc+0x23/0x90 [ 9517.953144][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9517.953144][ T73] ip6_pol_route+0x56f/0x840 [ 9517.953144][ T73] fib6_rule_lookup+0x456/0x630 [ 9517.953144][ T73] ip6_route_input+0x59c/0xa50 [ 9517.953144][ T73] ipv6_rcv+0x397/0x810 [ 9517.953144][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9517.953144][ T73] process_backlog+0x101/0x620 [ 9517.953144][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9517.953144][ T73] net_rx_action+0x495/0xbe0 [ 9517.953144][ T73] __do_softirq+0x1b5/0x7f6 [ 9517.953144][ T73] [ 9517.954773][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9517.954773][ T73] netdev_get_by_index+0x5e/0x80 [ 9517.954773][ T73] fib6_nh_init+0x3d8/0x1580 [ 9517.954773][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9517.954773][ T73] ip6_route_add+0x1c/0x140 [ 9517.954773][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9517.954773][ T73] inet6_addr_add+0x4f8/0xa40 [ 9517.954773][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.954773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.954773][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.954773][ T73] netlink_unicast+0x449/0x710 [ 9517.954773][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.954773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.954773][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.954773][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.954773][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.954773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.954773][ T73] [ 9517.956756][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9517.956756][ T73] netdev_get_by_index+0x5e/0x80 [ 9517.956756][ T73] fib6_nh_init+0x3d8/0x1580 [ 9517.956756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9517.956756][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9517.956756][ T73] ipv6_add_addr+0x411/0x2000 [ 9517.956756][ T73] inet6_addr_add+0x30e/0xa40 [ 9517.956756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.956756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.956756][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.956756][ T73] netlink_unicast+0x449/0x710 [ 9517.956756][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.956756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.956756][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.956756][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.956756][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.956756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.956756][ T73] [ 9517.958750][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9517.958750][ T73] netdev_get_by_index+0x5e/0x80 [ 9517.958750][ T73] fib6_nh_init+0x3d8/0x1580 [ 9517.958750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9517.958750][ T73] ip6_route_add+0x1c/0x140 [ 9517.958750][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9517.958750][ T73] addrconf_add_dev+0xe2/0x170 [ 9517.958750][ T73] inet6_addr_add+0x12f/0xa40 [ 9517.958750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9517.958750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.958750][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.958750][ T73] netlink_unicast+0x449/0x710 [ 9517.958750][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.958750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.958750][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.958750][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.958750][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.958750][ T73] [ 9517.960715][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9517.960715][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9517.960715][ T73] ipv6_find_idev+0x102/0x170 [ 9517.960715][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9517.960715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.960715][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.960715][ T73] netlink_unicast+0x449/0x710 [ 9517.960715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.960715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.960715][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.960715][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.960715][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.960715][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.960715][ T73] [ 9517.962236][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9517.962236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9517.962236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9517.962236][ T73] ipv6_find_idev+0x102/0x170 [ 9517.962236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9517.962236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9517.962236][ T73] netlink_rcv_skb+0x130/0x360 [ 9517.962236][ T73] netlink_unicast+0x449/0x710 [ 9517.962236][ T73] netlink_sendmsg+0x723/0xbe0 [ 9517.962236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9517.962236][ T73] ___sys_sendmsg+0xee/0x170 [ 9517.962236][ T73] __sys_sendmsg+0xcd/0x170 [ 9517.962236][ T73] do_syscall_64+0xc6/0x1e0 [ 9517.962236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9517.962236][ T73] [ 9525.061627][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9525.062138][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9525.062138][ T1076] netdev_get_by_index+0x5e/0x80 [ 9525.062138][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9525.062138][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9525.062138][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9525.062138][ T1076] ipv6_add_addr+0x411/0x2000 [ 9525.062138][ T1076] inet6_addr_add+0x30e/0xa40 [ 9525.062138][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9525.062138][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.062138][ T1076] netlink_rcv_skb+0x130/0x360 [ 9525.062138][ T1076] netlink_unicast+0x449/0x710 [ 9525.062138][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9525.062138][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9525.062138][ T1076] ___sys_sendmsg+0xee/0x170 [ 9525.062138][ T1076] __sys_sendmsg+0xcd/0x170 [ 9525.062138][ T1076] do_syscall_64+0xc6/0x1e0 [ 9525.062138][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.062138][ T1076] [ 9525.064443][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9525.064443][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9525.064443][ T1076] ipv6_find_idev+0x102/0x170 [ 9525.064443][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.064443][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.064443][ T1076] netlink_rcv_skb+0x130/0x360 [ 9525.064443][ T1076] netlink_unicast+0x449/0x710 [ 9525.064443][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9525.064443][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9525.064443][ T1076] ___sys_sendmsg+0xee/0x170 [ 9525.064443][ T1076] __sys_sendmsg+0xcd/0x170 [ 9525.064443][ T1076] do_syscall_64+0xc6/0x1e0 [ 9525.064443][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.064443][ T1076] [ 9525.066188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9525.066188][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9525.066188][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9525.066188][ T1076] ipv6_find_idev+0x102/0x170 [ 9525.066188][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9525.066188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9525.066188][ T1076] netlink_rcv_skb+0x130/0x360 [ 9525.066188][ T1076] netlink_unicast+0x449/0x710 [ 9525.066188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9525.066188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9525.066188][ T1076] ___sys_sendmsg+0xee/0x170 [ 9525.066188][ T1076] __sys_sendmsg+0xcd/0x170 [ 9525.066188][ T1076] do_syscall_64+0xc6/0x1e0 [ 9525.066188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9525.066188][ T1076] [ 9528.205744][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9528.206146][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9528.206146][ T73] dst_init+0x84/0x4a0 [ 9528.206146][ T73] dst_alloc+0x97/0x150 [ 9528.206146][ T73] ip6_dst_alloc+0x23/0x90 [ 9528.206146][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9528.206146][ T73] ip6_pol_route+0x56f/0x840 [ 9528.206146][ T73] fib6_rule_lookup+0x456/0x630 [ 9528.206146][ T73] ip6_route_input+0x59c/0xa50 [ 9528.206146][ T73] ipv6_rcv+0x397/0x810 [ 9528.206146][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9528.206146][ T73] process_backlog+0x101/0x620 [ 9528.206146][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9528.206146][ T73] net_rx_action+0x495/0xbe0 [ 9528.206146][ T73] __do_softirq+0x1b5/0x7f6 [ 9528.206146][ T73] [ 9528.207807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9528.207807][ T73] netdev_get_by_index+0x5e/0x80 [ 9528.207807][ T73] fib6_nh_init+0x3d8/0x1580 [ 9528.207807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9528.207807][ T73] ip6_route_add+0x1c/0x140 [ 9528.207807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9528.207807][ T73] inet6_addr_add+0x4f8/0xa40 [ 9528.207807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9528.207807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.207807][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.207807][ T73] netlink_unicast+0x449/0x710 [ 9528.207807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.207807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.207807][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.207807][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.207807][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.207807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.207807][ T73] [ 9528.209809][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9528.209809][ T73] netdev_get_by_index+0x5e/0x80 [ 9528.209809][ T73] fib6_nh_init+0x3d8/0x1580 [ 9528.209809][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9528.209809][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9528.209809][ T73] ipv6_add_addr+0x411/0x2000 [ 9528.209809][ T73] inet6_addr_add+0x30e/0xa40 [ 9528.209809][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9528.209809][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.209809][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.209809][ T73] netlink_unicast+0x449/0x710 [ 9528.209809][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.209809][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.209809][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.209809][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.209809][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.209809][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.209809][ T73] [ 9528.212308][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9528.212308][ T73] netdev_get_by_index+0x5e/0x80 [ 9528.212308][ T73] fib6_nh_init+0x3d8/0x1580 [ 9528.212308][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9528.212308][ T73] ip6_route_add+0x1c/0x140 [ 9528.212308][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9528.212308][ T73] addrconf_add_dev+0xe2/0x170 [ 9528.212308][ T73] inet6_addr_add+0x12f/0xa40 [ 9528.212308][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9528.212308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.212308][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.212308][ T73] netlink_unicast+0x449/0x710 [ 9528.212308][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.212308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.212308][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.212308][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.212308][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.212308][ T73] [ 9528.214253][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9528.214253][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9528.214253][ T73] ipv6_find_idev+0x102/0x170 [ 9528.214253][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9528.214253][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.214253][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.214253][ T73] netlink_unicast+0x449/0x710 [ 9528.214253][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.214253][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.214253][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.214253][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.214253][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.214253][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.214253][ T73] [ 9528.215789][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9528.215789][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9528.215789][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9528.215789][ T73] ipv6_find_idev+0x102/0x170 [ 9528.215789][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9528.215789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.215789][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.215789][ T73] netlink_unicast+0x449/0x710 [ 9528.215789][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.215789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.215789][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.215789][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.215789][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.215789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.215789][ T73] [ 9528.217451][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9528.217704][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9528.217704][ T73] dst_init+0x84/0x4a0 [ 9528.217704][ T73] dst_alloc+0x97/0x150 [ 9528.217704][ T73] ip6_dst_alloc+0x23/0x90 [ 9528.217704][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9528.217704][ T73] ip6_pol_route+0x56f/0x840 [ 9528.217704][ T73] fib6_rule_lookup+0x456/0x630 [ 9528.217704][ T73] ip6_route_input+0x59c/0xa50 [ 9528.217704][ T73] ipv6_rcv+0x397/0x810 [ 9528.217704][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9528.217704][ T73] process_backlog+0x101/0x620 [ 9528.217704][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9528.217704][ T73] net_rx_action+0x495/0xbe0 [ 9528.217704][ T73] __do_softirq+0x1b5/0x7f6 [ 9528.217704][ T73] [ 9528.219335][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9528.219335][ T73] netdev_get_by_index+0x5e/0x80 [ 9528.219335][ T73] fib6_nh_init+0x3d8/0x1580 [ 9528.219335][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9528.219335][ T73] ip6_route_add+0x1c/0x140 [ 9528.219335][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9528.219335][ T73] inet6_addr_add+0x4f8/0xa40 [ 9528.219335][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9528.219335][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.219335][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.219335][ T73] netlink_unicast+0x449/0x710 [ 9528.219335][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.219335][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.219335][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.219335][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.219335][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.219335][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.219335][ T73] [ 9528.221316][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9528.221316][ T73] netdev_get_by_index+0x5e/0x80 [ 9528.221316][ T73] fib6_nh_init+0x3d8/0x1580 [ 9528.221316][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9528.221316][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9528.221316][ T73] ipv6_add_addr+0x411/0x2000 [ 9528.221316][ T73] inet6_addr_add+0x30e/0xa40 [ 9528.221316][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9528.221316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.221316][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.221316][ T73] netlink_unicast+0x449/0x710 [ 9528.221316][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.221316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.221316][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.221316][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.221316][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.221316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.221316][ T73] [ 9528.223288][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9528.223288][ T73] netdev_get_by_index+0x5e/0x80 [ 9528.223288][ T73] fib6_nh_init+0x3d8/0x1580 [ 9528.223288][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9528.223288][ T73] ip6_route_add+0x1c/0x140 [ 9528.223288][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9528.223288][ T73] addrconf_add_dev+0xe2/0x170 [ 9528.223288][ T73] inet6_addr_add+0x12f/0xa40 [ 9528.223288][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9528.223288][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.223288][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.223288][ T73] netlink_unicast+0x449/0x710 [ 9528.223288][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.223288][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.223288][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.223288][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.223288][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.223288][ T73] [ 9528.225606][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9528.225606][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9528.225606][ T73] ipv6_find_idev+0x102/0x170 [ 9528.225606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9528.225606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.225606][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.225606][ T73] netlink_unicast+0x449/0x710 [ 9528.225606][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.225606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.225606][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.225606][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.225606][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.225606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.225606][ T73] [ 9528.227130][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9528.227130][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9528.227130][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9528.227130][ T73] ipv6_find_idev+0x102/0x170 [ 9528.227130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9528.227130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9528.227130][ T73] netlink_rcv_skb+0x130/0x360 [ 9528.227130][ T73] netlink_unicast+0x449/0x710 [ 9528.227130][ T73] netlink_sendmsg+0x723/0xbe0 [ 9528.227130][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9528.227130][ T73] ___sys_sendmsg+0xee/0x170 [ 9528.227130][ T73] __sys_sendmsg+0xcd/0x170 [ 9528.227130][ T73] do_syscall_64+0xc6/0x1e0 [ 9528.227130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9528.227130][ T73] [ 9535.317711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9535.318212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9535.318212][ T1076] netdev_get_by_index+0x5e/0x80 [ 9535.318212][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9535.318212][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9535.318212][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9535.318212][ T1076] ipv6_add_addr+0x411/0x2000 [ 9535.318212][ T1076] inet6_addr_add+0x30e/0xa40 [ 9535.318212][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9535.318212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.318212][ T1076] netlink_rcv_skb+0x130/0x360 [ 9535.318212][ T1076] netlink_unicast+0x449/0x710 [ 9535.318212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9535.318212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9535.318212][ T1076] ___sys_sendmsg+0xee/0x170 [ 9535.318212][ T1076] __sys_sendmsg+0xcd/0x170 [ 9535.318212][ T1076] do_syscall_64+0xc6/0x1e0 [ 9535.318212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.318212][ T1076] [ 9535.320509][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9535.320509][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9535.320509][ T1076] ipv6_find_idev+0x102/0x170 [ 9535.320509][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.320509][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.320509][ T1076] netlink_rcv_skb+0x130/0x360 [ 9535.320509][ T1076] netlink_unicast+0x449/0x710 [ 9535.320509][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9535.320509][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9535.320509][ T1076] ___sys_sendmsg+0xee/0x170 [ 9535.320509][ T1076] __sys_sendmsg+0xcd/0x170 [ 9535.320509][ T1076] do_syscall_64+0xc6/0x1e0 [ 9535.320509][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.320509][ T1076] [ 9535.322250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9535.322250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9535.322250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9535.322250][ T1076] ipv6_find_idev+0x102/0x170 [ 9535.322250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9535.322250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9535.322250][ T1076] netlink_rcv_skb+0x130/0x360 [ 9535.322250][ T1076] netlink_unicast+0x449/0x710 [ 9535.322250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9535.322250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9535.322250][ T1076] ___sys_sendmsg+0xee/0x170 [ 9535.322250][ T1076] __sys_sendmsg+0xcd/0x170 [ 9535.322250][ T1076] do_syscall_64+0xc6/0x1e0 [ 9535.322250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9535.322250][ T1076] [ 9538.469701][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9538.470091][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9538.470091][ T73] dst_init+0x84/0x4a0 [ 9538.470091][ T73] dst_alloc+0x97/0x150 [ 9538.470091][ T73] ip6_dst_alloc+0x23/0x90 [ 9538.470091][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9538.470091][ T73] ip6_pol_route+0x56f/0x840 [ 9538.470091][ T73] fib6_rule_lookup+0x456/0x630 [ 9538.470091][ T73] ip6_route_input+0x59c/0xa50 [ 9538.470091][ T73] ipv6_rcv+0x397/0x810 [ 9538.470091][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9538.470091][ T73] process_backlog+0x101/0x620 [ 9538.470091][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9538.470091][ T73] net_rx_action+0x495/0xbe0 [ 9538.470091][ T73] __do_softirq+0x1b5/0x7f6 [ 9538.470091][ T73] [ 9538.471741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9538.471741][ T73] netdev_get_by_index+0x5e/0x80 [ 9538.471741][ T73] fib6_nh_init+0x3d8/0x1580 [ 9538.471741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9538.471741][ T73] ip6_route_add+0x1c/0x140 [ 9538.471741][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9538.471741][ T73] inet6_addr_add+0x4f8/0xa40 [ 9538.471741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9538.471741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.471741][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.471741][ T73] netlink_unicast+0x449/0x710 [ 9538.471741][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.471741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.471741][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.471741][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.471741][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.471741][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.471741][ T73] [ 9538.473736][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9538.473736][ T73] netdev_get_by_index+0x5e/0x80 [ 9538.473736][ T73] fib6_nh_init+0x3d8/0x1580 [ 9538.473736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9538.473736][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9538.473736][ T73] ipv6_add_addr+0x411/0x2000 [ 9538.473736][ T73] inet6_addr_add+0x30e/0xa40 [ 9538.473736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9538.473736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.473736][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.473736][ T73] netlink_unicast+0x449/0x710 [ 9538.473736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.473736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.473736][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.473736][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.473736][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.473736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.473736][ T73] [ 9538.475715][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9538.475715][ T73] netdev_get_by_index+0x5e/0x80 [ 9538.475715][ T73] fib6_nh_init+0x3d8/0x1580 [ 9538.475715][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9538.475715][ T73] ip6_route_add+0x1c/0x140 [ 9538.475715][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9538.475715][ T73] addrconf_add_dev+0xe2/0x170 [ 9538.475715][ T73] inet6_addr_add+0x12f/0xa40 [ 9538.475715][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9538.475715][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.475715][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.475715][ T73] netlink_unicast+0x449/0x710 [ 9538.475715][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.475715][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.475715][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.475715][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.475715][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.475715][ T73] [ 9538.477665][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9538.477665][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9538.477665][ T73] ipv6_find_idev+0x102/0x170 [ 9538.477665][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9538.477665][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.477665][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.477665][ T73] netlink_unicast+0x449/0x710 [ 9538.477665][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.477665][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.477665][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.477665][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.477665][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.477665][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.477665][ T73] [ 9538.479196][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9538.479196][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9538.479196][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9538.479196][ T73] ipv6_find_idev+0x102/0x170 [ 9538.479196][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9538.479196][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.479196][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.479196][ T73] netlink_unicast+0x449/0x710 [ 9538.479196][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.479196][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.479196][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.479196][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.479196][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.479196][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.479196][ T73] [ 9538.480860][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9538.481098][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9538.481098][ T73] dst_init+0x84/0x4a0 [ 9538.481098][ T73] dst_alloc+0x97/0x150 [ 9538.481098][ T73] ip6_dst_alloc+0x23/0x90 [ 9538.481098][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9538.481098][ T73] ip6_pol_route+0x56f/0x840 [ 9538.481098][ T73] fib6_rule_lookup+0x456/0x630 [ 9538.481098][ T73] ip6_route_input+0x59c/0xa50 [ 9538.481098][ T73] ipv6_rcv+0x397/0x810 [ 9538.481098][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9538.481098][ T73] process_backlog+0x101/0x620 [ 9538.481098][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9538.481098][ T73] net_rx_action+0x495/0xbe0 [ 9538.481098][ T73] __do_softirq+0x1b5/0x7f6 [ 9538.481098][ T73] [ 9538.482721][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9538.482721][ T73] netdev_get_by_index+0x5e/0x80 [ 9538.482721][ T73] fib6_nh_init+0x3d8/0x1580 [ 9538.482721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9538.482721][ T73] ip6_route_add+0x1c/0x140 [ 9538.482721][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9538.482721][ T73] inet6_addr_add+0x4f8/0xa40 [ 9538.482721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9538.482721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.482721][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.482721][ T73] netlink_unicast+0x449/0x710 [ 9538.482721][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.482721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.482721][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.482721][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.482721][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.482721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.482721][ T73] [ 9538.484695][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9538.484695][ T73] netdev_get_by_index+0x5e/0x80 [ 9538.484695][ T73] fib6_nh_init+0x3d8/0x1580 [ 9538.484695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9538.484695][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9538.484695][ T73] ipv6_add_addr+0x411/0x2000 [ 9538.484695][ T73] inet6_addr_add+0x30e/0xa40 [ 9538.484695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9538.484695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.484695][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.484695][ T73] netlink_unicast+0x449/0x710 [ 9538.484695][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.484695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.484695][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.484695][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.484695][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.484695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.484695][ T73] [ 9538.486668][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9538.486668][ T73] netdev_get_by_index+0x5e/0x80 [ 9538.486668][ T73] fib6_nh_init+0x3d8/0x1580 [ 9538.486668][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9538.486668][ T73] ip6_route_add+0x1c/0x140 [ 9538.486668][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9538.486668][ T73] addrconf_add_dev+0xe2/0x170 [ 9538.486668][ T73] inet6_addr_add+0x12f/0xa40 [ 9538.486668][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9538.486668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.486668][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.486668][ T73] netlink_unicast+0x449/0x710 [ 9538.486668][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.486668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.486668][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.486668][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.486668][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.486668][ T73] [ 9538.488606][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9538.488606][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9538.488606][ T73] ipv6_find_idev+0x102/0x170 [ 9538.488606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9538.488606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.488606][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.488606][ T73] netlink_unicast+0x449/0x710 [ 9538.488606][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.488606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.488606][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.488606][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.488606][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.488606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.488606][ T73] [ 9538.490139][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9538.490139][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9538.490139][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9538.490139][ T73] ipv6_find_idev+0x102/0x170 [ 9538.490139][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9538.490139][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9538.490139][ T73] netlink_rcv_skb+0x130/0x360 [ 9538.490139][ T73] netlink_unicast+0x449/0x710 [ 9538.490139][ T73] netlink_sendmsg+0x723/0xbe0 [ 9538.490139][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9538.490139][ T73] ___sys_sendmsg+0xee/0x170 [ 9538.490139][ T73] __sys_sendmsg+0xcd/0x170 [ 9538.490139][ T73] do_syscall_64+0xc6/0x1e0 [ 9538.490139][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9538.490139][ T73] [ 9545.573740][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9545.574187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9545.574187][ T1076] netdev_get_by_index+0x5e/0x80 [ 9545.574187][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9545.574187][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9545.574187][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9545.574187][ T1076] ipv6_add_addr+0x411/0x2000 [ 9545.574187][ T1076] inet6_addr_add+0x30e/0xa40 [ 9545.574187][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9545.574187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.574187][ T1076] netlink_rcv_skb+0x130/0x360 [ 9545.574187][ T1076] netlink_unicast+0x449/0x710 [ 9545.574187][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9545.574187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9545.574187][ T1076] ___sys_sendmsg+0xee/0x170 [ 9545.574187][ T1076] __sys_sendmsg+0xcd/0x170 [ 9545.574187][ T1076] do_syscall_64+0xc6/0x1e0 [ 9545.574187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.574187][ T1076] [ 9545.576482][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9545.576482][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9545.576482][ T1076] ipv6_find_idev+0x102/0x170 [ 9545.576482][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9545.576482][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.576482][ T1076] netlink_rcv_skb+0x130/0x360 [ 9545.576482][ T1076] netlink_unicast+0x449/0x710 [ 9545.576482][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9545.576482][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9545.576482][ T1076] ___sys_sendmsg+0xee/0x170 [ 9545.576482][ T1076] __sys_sendmsg+0xcd/0x170 [ 9545.576482][ T1076] do_syscall_64+0xc6/0x1e0 [ 9545.576482][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.576482][ T1076] [ 9545.578337][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9545.578337][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9545.578337][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9545.578337][ T1076] ipv6_find_idev+0x102/0x170 [ 9545.578337][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9545.578337][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9545.578337][ T1076] netlink_rcv_skb+0x130/0x360 [ 9545.578337][ T1076] netlink_unicast+0x449/0x710 [ 9545.578337][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9545.578337][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9545.578337][ T1076] ___sys_sendmsg+0xee/0x170 [ 9545.578337][ T1076] __sys_sendmsg+0xcd/0x170 [ 9545.578337][ T1076] do_syscall_64+0xc6/0x1e0 [ 9545.578337][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9545.578337][ T1076] [ 9548.733703][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9548.734084][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9548.734084][ T73] dst_init+0x84/0x4a0 [ 9548.734084][ T73] dst_alloc+0x97/0x150 [ 9548.734084][ T73] ip6_dst_alloc+0x23/0x90 [ 9548.734084][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9548.734084][ T73] ip6_pol_route+0x56f/0x840 [ 9548.734084][ T73] fib6_rule_lookup+0x456/0x630 [ 9548.734084][ T73] ip6_route_input+0x59c/0xa50 [ 9548.734084][ T73] ipv6_rcv+0x397/0x810 [ 9548.734084][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9548.734084][ T73] process_backlog+0x101/0x620 [ 9548.734084][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9548.734084][ T73] net_rx_action+0x495/0xbe0 [ 9548.734084][ T73] __do_softirq+0x1b5/0x7f6 [ 9548.734084][ T73] [ 9548.735739][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9548.735739][ T73] netdev_get_by_index+0x5e/0x80 [ 9548.735739][ T73] fib6_nh_init+0x3d8/0x1580 [ 9548.735739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9548.735739][ T73] ip6_route_add+0x1c/0x140 [ 9548.735739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9548.735739][ T73] inet6_addr_add+0x4f8/0xa40 [ 9548.735739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9548.735739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.735739][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.735739][ T73] netlink_unicast+0x449/0x710 [ 9548.735739][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.735739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.735739][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.735739][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.735739][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.735739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.735739][ T73] [ 9548.737734][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9548.737734][ T73] netdev_get_by_index+0x5e/0x80 [ 9548.737734][ T73] fib6_nh_init+0x3d8/0x1580 [ 9548.737734][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9548.737734][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9548.737734][ T73] ipv6_add_addr+0x411/0x2000 [ 9548.737734][ T73] inet6_addr_add+0x30e/0xa40 [ 9548.737734][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9548.737734][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.737734][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.737734][ T73] netlink_unicast+0x449/0x710 [ 9548.737734][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.737734][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.737734][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.737734][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.737734][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.737734][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.737734][ T73] [ 9548.739723][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9548.739723][ T73] netdev_get_by_index+0x5e/0x80 [ 9548.739723][ T73] fib6_nh_init+0x3d8/0x1580 [ 9548.739723][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9548.739723][ T73] ip6_route_add+0x1c/0x140 [ 9548.739723][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9548.739723][ T73] addrconf_add_dev+0xe2/0x170 [ 9548.739723][ T73] inet6_addr_add+0x12f/0xa40 [ 9548.739723][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9548.739723][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.739723][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.739723][ T73] netlink_unicast+0x449/0x710 [ 9548.739723][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.739723][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.739723][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.739723][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.739723][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.739723][ T73] [ 9548.741791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9548.741791][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9548.741791][ T73] ipv6_find_idev+0x102/0x170 [ 9548.741791][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9548.741791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.741791][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.741791][ T73] netlink_unicast+0x449/0x710 [ 9548.741791][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.741791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.741791][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.741791][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.741791][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.741791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.741791][ T73] [ 9548.743329][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9548.743329][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9548.743329][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9548.743329][ T73] ipv6_find_idev+0x102/0x170 [ 9548.743329][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9548.743329][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.743329][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.743329][ T73] netlink_unicast+0x449/0x710 [ 9548.743329][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.743329][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.743329][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.743329][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.743329][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.743329][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.743329][ T73] [ 9548.744996][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9548.745235][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9548.745235][ T73] dst_init+0x84/0x4a0 [ 9548.745235][ T73] dst_alloc+0x97/0x150 [ 9548.745235][ T73] ip6_dst_alloc+0x23/0x90 [ 9548.745235][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9548.745235][ T73] ip6_pol_route+0x56f/0x840 [ 9548.745235][ T73] fib6_rule_lookup+0x456/0x630 [ 9548.745235][ T73] ip6_route_input+0x59c/0xa50 [ 9548.745235][ T73] ipv6_rcv+0x397/0x810 [ 9548.745235][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9548.745235][ T73] process_backlog+0x101/0x620 [ 9548.745235][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9548.745235][ T73] net_rx_action+0x495/0xbe0 [ 9548.745235][ T73] __do_softirq+0x1b5/0x7f6 [ 9548.745235][ T73] [ 9548.746865][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9548.746865][ T73] netdev_get_by_index+0x5e/0x80 [ 9548.746865][ T73] fib6_nh_init+0x3d8/0x1580 [ 9548.746865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9548.746865][ T73] ip6_route_add+0x1c/0x140 [ 9548.746865][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9548.746865][ T73] inet6_addr_add+0x4f8/0xa40 [ 9548.746865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9548.746865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.746865][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.746865][ T73] netlink_unicast+0x449/0x710 [ 9548.746865][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.746865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.746865][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.746865][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.746865][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.746865][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.746865][ T73] [ 9548.748849][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9548.748849][ T73] netdev_get_by_index+0x5e/0x80 [ 9548.748849][ T73] fib6_nh_init+0x3d8/0x1580 [ 9548.748849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9548.748849][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9548.748849][ T73] ipv6_add_addr+0x411/0x2000 [ 9548.748849][ T73] inet6_addr_add+0x30e/0xa40 [ 9548.748849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9548.748849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.748849][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.748849][ T73] netlink_unicast+0x449/0x710 [ 9548.748849][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.748849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.748849][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.748849][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.748849][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.748849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.748849][ T73] [ 9548.750832][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9548.750832][ T73] netdev_get_by_index+0x5e/0x80 [ 9548.750832][ T73] fib6_nh_init+0x3d8/0x1580 [ 9548.750832][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9548.750832][ T73] ip6_route_add+0x1c/0x140 [ 9548.750832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9548.750832][ T73] addrconf_add_dev+0xe2/0x170 [ 9548.750832][ T73] inet6_addr_add+0x12f/0xa40 [ 9548.750832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9548.750832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.750832][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.750832][ T73] netlink_unicast+0x449/0x710 [ 9548.750832][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.750832][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.750832][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.750832][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.750832][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.750832][ T73] [ 9548.752773][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9548.752773][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9548.752773][ T73] ipv6_find_idev+0x102/0x170 [ 9548.752773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9548.752773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.752773][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.752773][ T73] netlink_unicast+0x449/0x710 [ 9548.752773][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.752773][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.752773][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.752773][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.752773][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.752773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.752773][ T73] [ 9548.754296][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9548.754296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9548.754296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9548.754296][ T73] ipv6_find_idev+0x102/0x170 [ 9548.754296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9548.754296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9548.754296][ T73] netlink_rcv_skb+0x130/0x360 [ 9548.754296][ T73] netlink_unicast+0x449/0x710 [ 9548.754296][ T73] netlink_sendmsg+0x723/0xbe0 [ 9548.754296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9548.754296][ T73] ___sys_sendmsg+0xee/0x170 [ 9548.754296][ T73] __sys_sendmsg+0xcd/0x170 [ 9548.754296][ T73] do_syscall_64+0xc6/0x1e0 [ 9548.754296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9548.754296][ T73] [ 9555.829643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9555.830103][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9555.830103][ T1076] netdev_get_by_index+0x5e/0x80 [ 9555.830103][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9555.830103][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9555.830103][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9555.830103][ T1076] ipv6_add_addr+0x411/0x2000 [ 9555.830103][ T1076] inet6_addr_add+0x30e/0xa40 [ 9555.830103][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9555.830103][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.830103][ T1076] netlink_rcv_skb+0x130/0x360 [ 9555.830103][ T1076] netlink_unicast+0x449/0x710 [ 9555.830103][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9555.830103][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9555.830103][ T1076] ___sys_sendmsg+0xee/0x170 [ 9555.830103][ T1076] __sys_sendmsg+0xcd/0x170 [ 9555.830103][ T1076] do_syscall_64+0xc6/0x1e0 [ 9555.830103][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.830103][ T1076] [ 9555.832385][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9555.832385][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9555.832385][ T1076] ipv6_find_idev+0x102/0x170 [ 9555.832385][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9555.832385][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.832385][ T1076] netlink_rcv_skb+0x130/0x360 [ 9555.832385][ T1076] netlink_unicast+0x449/0x710 [ 9555.832385][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9555.832385][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9555.832385][ T1076] ___sys_sendmsg+0xee/0x170 [ 9555.832385][ T1076] __sys_sendmsg+0xcd/0x170 [ 9555.832385][ T1076] do_syscall_64+0xc6/0x1e0 [ 9555.832385][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.832385][ T1076] [ 9555.834137][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9555.834137][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9555.834137][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9555.834137][ T1076] ipv6_find_idev+0x102/0x170 [ 9555.834137][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9555.834137][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9555.834137][ T1076] netlink_rcv_skb+0x130/0x360 [ 9555.834137][ T1076] netlink_unicast+0x449/0x710 [ 9555.834137][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9555.834137][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9555.834137][ T1076] ___sys_sendmsg+0xee/0x170 [ 9555.834137][ T1076] __sys_sendmsg+0xcd/0x170 [ 9555.834137][ T1076] do_syscall_64+0xc6/0x1e0 [ 9555.834137][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9555.834137][ T1076] [ 9558.997734][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9558.998120][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9558.998120][ T73] dst_init+0x84/0x4a0 [ 9558.998120][ T73] dst_alloc+0x97/0x150 [ 9558.998120][ T73] ip6_dst_alloc+0x23/0x90 [ 9558.998120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9558.998120][ T73] ip6_pol_route+0x56f/0x840 [ 9558.998120][ T73] fib6_rule_lookup+0x456/0x630 [ 9558.998120][ T73] ip6_route_input+0x59c/0xa50 [ 9558.998120][ T73] ipv6_rcv+0x397/0x810 [ 9558.998120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9558.998120][ T73] process_backlog+0x101/0x620 [ 9558.998120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9558.998120][ T73] net_rx_action+0x495/0xbe0 [ 9558.998120][ T73] __do_softirq+0x1b5/0x7f6 [ 9558.998120][ T73] [ 9558.999792][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9558.999792][ T73] netdev_get_by_index+0x5e/0x80 [ 9558.999792][ T73] fib6_nh_init+0x3d8/0x1580 [ 9558.999792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9558.999792][ T73] ip6_route_add+0x1c/0x140 [ 9558.999792][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9558.999792][ T73] inet6_addr_add+0x4f8/0xa40 [ 9558.999792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9558.999792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9558.999792][ T73] netlink_rcv_skb+0x130/0x360 [ 9558.999792][ T73] netlink_unicast+0x449/0x710 [ 9558.999792][ T73] netlink_sendmsg+0x723/0xbe0 [ 9558.999792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9558.999792][ T73] ___sys_sendmsg+0xee/0x170 [ 9558.999792][ T73] __sys_sendmsg+0xcd/0x170 [ 9558.999792][ T73] do_syscall_64+0xc6/0x1e0 [ 9558.999792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9558.999792][ T73] [ 9559.001781][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9559.001781][ T73] netdev_get_by_index+0x5e/0x80 [ 9559.001781][ T73] fib6_nh_init+0x3d8/0x1580 [ 9559.001781][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9559.001781][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9559.001781][ T73] ipv6_add_addr+0x411/0x2000 [ 9559.001781][ T73] inet6_addr_add+0x30e/0xa40 [ 9559.001781][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9559.001781][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.001781][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.001781][ T73] netlink_unicast+0x449/0x710 [ 9559.001781][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.001781][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.001781][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.001781][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.001781][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.001781][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.001781][ T73] [ 9559.003765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9559.003765][ T73] netdev_get_by_index+0x5e/0x80 [ 9559.003765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9559.003765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9559.003765][ T73] ip6_route_add+0x1c/0x140 [ 9559.003765][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9559.003765][ T73] addrconf_add_dev+0xe2/0x170 [ 9559.003765][ T73] inet6_addr_add+0x12f/0xa40 [ 9559.003765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9559.003765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.003765][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.003765][ T73] netlink_unicast+0x449/0x710 [ 9559.003765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.003765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.003765][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.003765][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.003765][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.003765][ T73] [ 9559.005718][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9559.005718][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9559.005718][ T73] ipv6_find_idev+0x102/0x170 [ 9559.005718][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9559.005718][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.005718][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.005718][ T73] netlink_unicast+0x449/0x710 [ 9559.005718][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.005718][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.005718][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.005718][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.005718][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.005718][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.005718][ T73] [ 9559.007249][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9559.007249][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9559.007249][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9559.007249][ T73] ipv6_find_idev+0x102/0x170 [ 9559.007249][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9559.007249][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.007249][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.007249][ T73] netlink_unicast+0x449/0x710 [ 9559.007249][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.007249][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.007249][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.007249][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.007249][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.007249][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.007249][ T73] [ 9559.008923][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9559.009162][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9559.009162][ T73] dst_init+0x84/0x4a0 [ 9559.009162][ T73] dst_alloc+0x97/0x150 [ 9559.009162][ T73] ip6_dst_alloc+0x23/0x90 [ 9559.009162][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9559.009162][ T73] ip6_pol_route+0x56f/0x840 [ 9559.009162][ T73] fib6_rule_lookup+0x456/0x630 [ 9559.009162][ T73] ip6_route_input+0x59c/0xa50 [ 9559.009162][ T73] ipv6_rcv+0x397/0x810 [ 9559.009162][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9559.009162][ T73] process_backlog+0x101/0x620 [ 9559.009162][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9559.009162][ T73] net_rx_action+0x495/0xbe0 [ 9559.009162][ T73] __do_softirq+0x1b5/0x7f6 [ 9559.009162][ T73] [ 9559.010785][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9559.010785][ T73] netdev_get_by_index+0x5e/0x80 [ 9559.010785][ T73] fib6_nh_init+0x3d8/0x1580 [ 9559.010785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9559.010785][ T73] ip6_route_add+0x1c/0x140 [ 9559.010785][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9559.010785][ T73] inet6_addr_add+0x4f8/0xa40 [ 9559.010785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9559.010785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.010785][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.010785][ T73] netlink_unicast+0x449/0x710 [ 9559.010785][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.010785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.010785][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.010785][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.010785][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.010785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.010785][ T73] [ 9559.012765][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9559.012765][ T73] netdev_get_by_index+0x5e/0x80 [ 9559.012765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9559.012765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9559.012765][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9559.012765][ T73] ipv6_add_addr+0x411/0x2000 [ 9559.012765][ T73] inet6_addr_add+0x30e/0xa40 [ 9559.012765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9559.012765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.012765][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.012765][ T73] netlink_unicast+0x449/0x710 [ 9559.012765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.012765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.012765][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.012765][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.012765][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.012765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.012765][ T73] [ 9559.014742][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9559.014742][ T73] netdev_get_by_index+0x5e/0x80 [ 9559.014742][ T73] fib6_nh_init+0x3d8/0x1580 [ 9559.014742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9559.014742][ T73] ip6_route_add+0x1c/0x140 [ 9559.014742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9559.014742][ T73] addrconf_add_dev+0xe2/0x170 [ 9559.014742][ T73] inet6_addr_add+0x12f/0xa40 [ 9559.014742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9559.014742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.014742][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.014742][ T73] netlink_unicast+0x449/0x710 [ 9559.014742][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.014742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.014742][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.014742][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.014742][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.014742][ T73] [ 9559.016688][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9559.016688][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9559.016688][ T73] ipv6_find_idev+0x102/0x170 [ 9559.016688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9559.016688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.016688][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.016688][ T73] netlink_unicast+0x449/0x710 [ 9559.016688][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.016688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.016688][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.016688][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.016688][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.016688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.016688][ T73] [ 9559.018731][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9559.018731][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9559.018731][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9559.018731][ T73] ipv6_find_idev+0x102/0x170 [ 9559.018731][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9559.018731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9559.018731][ T73] netlink_rcv_skb+0x130/0x360 [ 9559.018731][ T73] netlink_unicast+0x449/0x710 [ 9559.018731][ T73] netlink_sendmsg+0x723/0xbe0 [ 9559.018731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9559.018731][ T73] ___sys_sendmsg+0xee/0x170 [ 9559.018731][ T73] __sys_sendmsg+0xcd/0x170 [ 9559.018731][ T73] do_syscall_64+0xc6/0x1e0 [ 9559.018731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9559.018731][ T73] [ 9566.085650][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9566.086097][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9566.086097][ T1076] netdev_get_by_index+0x5e/0x80 [ 9566.086097][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9566.086097][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9566.086097][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9566.086097][ T1076] ipv6_add_addr+0x411/0x2000 [ 9566.086097][ T1076] inet6_addr_add+0x30e/0xa40 [ 9566.086097][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9566.086097][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.086097][ T1076] netlink_rcv_skb+0x130/0x360 [ 9566.086097][ T1076] netlink_unicast+0x449/0x710 [ 9566.086097][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9566.086097][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9566.086097][ T1076] ___sys_sendmsg+0xee/0x170 [ 9566.086097][ T1076] __sys_sendmsg+0xcd/0x170 [ 9566.086097][ T1076] do_syscall_64+0xc6/0x1e0 [ 9566.086097][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.086097][ T1076] [ 9566.088411][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9566.088411][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9566.088411][ T1076] ipv6_find_idev+0x102/0x170 [ 9566.088411][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.088411][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.088411][ T1076] netlink_rcv_skb+0x130/0x360 [ 9566.088411][ T1076] netlink_unicast+0x449/0x710 [ 9566.088411][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9566.088411][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9566.088411][ T1076] ___sys_sendmsg+0xee/0x170 [ 9566.088411][ T1076] __sys_sendmsg+0xcd/0x170 [ 9566.088411][ T1076] do_syscall_64+0xc6/0x1e0 [ 9566.088411][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.088411][ T1076] [ 9566.090178][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9566.090178][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9566.090178][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9566.090178][ T1076] ipv6_find_idev+0x102/0x170 [ 9566.090178][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9566.090178][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9566.090178][ T1076] netlink_rcv_skb+0x130/0x360 [ 9566.090178][ T1076] netlink_unicast+0x449/0x710 [ 9566.090178][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9566.090178][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9566.090178][ T1076] ___sys_sendmsg+0xee/0x170 [ 9566.090178][ T1076] __sys_sendmsg+0xcd/0x170 [ 9566.090178][ T1076] do_syscall_64+0xc6/0x1e0 [ 9566.090178][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9566.090178][ T1076] [ 9569.261699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9569.262097][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9569.262097][ T73] dst_init+0x84/0x4a0 [ 9569.262097][ T73] dst_alloc+0x97/0x150 [ 9569.262097][ T73] ip6_dst_alloc+0x23/0x90 [ 9569.262097][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9569.262097][ T73] ip6_pol_route+0x56f/0x840 [ 9569.262097][ T73] fib6_rule_lookup+0x456/0x630 [ 9569.262097][ T73] ip6_route_input+0x59c/0xa50 [ 9569.262097][ T73] ipv6_rcv+0x397/0x810 [ 9569.262097][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9569.262097][ T73] process_backlog+0x101/0x620 [ 9569.262097][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9569.262097][ T73] net_rx_action+0x495/0xbe0 [ 9569.262097][ T73] __do_softirq+0x1b5/0x7f6 [ 9569.262097][ T73] [ 9569.263753][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9569.263753][ T73] netdev_get_by_index+0x5e/0x80 [ 9569.263753][ T73] fib6_nh_init+0x3d8/0x1580 [ 9569.263753][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9569.263753][ T73] ip6_route_add+0x1c/0x140 [ 9569.263753][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9569.263753][ T73] inet6_addr_add+0x4f8/0xa40 [ 9569.263753][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9569.263753][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.263753][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.263753][ T73] netlink_unicast+0x449/0x710 [ 9569.263753][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.263753][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.263753][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.263753][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.263753][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.263753][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.263753][ T73] [ 9569.265766][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9569.265766][ T73] netdev_get_by_index+0x5e/0x80 [ 9569.265766][ T73] fib6_nh_init+0x3d8/0x1580 [ 9569.265766][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9569.265766][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9569.265766][ T73] ipv6_add_addr+0x411/0x2000 [ 9569.265766][ T73] inet6_addr_add+0x30e/0xa40 [ 9569.265766][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9569.265766][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.265766][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.265766][ T73] netlink_unicast+0x449/0x710 [ 9569.265766][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.265766][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.265766][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.265766][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.265766][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.265766][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.265766][ T73] [ 9569.267742][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9569.267742][ T73] netdev_get_by_index+0x5e/0x80 [ 9569.267742][ T73] fib6_nh_init+0x3d8/0x1580 [ 9569.267742][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9569.267742][ T73] ip6_route_add+0x1c/0x140 [ 9569.267742][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9569.267742][ T73] addrconf_add_dev+0xe2/0x170 [ 9569.267742][ T73] inet6_addr_add+0x12f/0xa40 [ 9569.267742][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9569.267742][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.267742][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.267742][ T73] netlink_unicast+0x449/0x710 [ 9569.267742][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.267742][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.267742][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.267742][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.267742][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.267742][ T73] [ 9569.269705][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9569.269705][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9569.269705][ T73] ipv6_find_idev+0x102/0x170 [ 9569.269705][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9569.269705][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.269705][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.269705][ T73] netlink_unicast+0x449/0x710 [ 9569.269705][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.269705][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.269705][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.269705][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.269705][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.269705][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.269705][ T73] [ 9569.271238][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9569.271238][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9569.271238][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9569.271238][ T73] ipv6_find_idev+0x102/0x170 [ 9569.271238][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9569.271238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.271238][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.271238][ T73] netlink_unicast+0x449/0x710 [ 9569.271238][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.271238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.271238][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.271238][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.271238][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.271238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.271238][ T73] [ 9569.272909][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9569.273153][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9569.273153][ T73] dst_init+0x84/0x4a0 [ 9569.273153][ T73] dst_alloc+0x97/0x150 [ 9569.273153][ T73] ip6_dst_alloc+0x23/0x90 [ 9569.273153][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9569.273153][ T73] ip6_pol_route+0x56f/0x840 [ 9569.273153][ T73] fib6_rule_lookup+0x456/0x630 [ 9569.273153][ T73] ip6_route_input+0x59c/0xa50 [ 9569.273153][ T73] ipv6_rcv+0x397/0x810 [ 9569.273153][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9569.273153][ T73] process_backlog+0x101/0x620 [ 9569.273153][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9569.273153][ T73] net_rx_action+0x495/0xbe0 [ 9569.273153][ T73] __do_softirq+0x1b5/0x7f6 [ 9569.273153][ T73] [ 9569.274789][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9569.274789][ T73] netdev_get_by_index+0x5e/0x80 [ 9569.274789][ T73] fib6_nh_init+0x3d8/0x1580 [ 9569.274789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9569.274789][ T73] ip6_route_add+0x1c/0x140 [ 9569.274789][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9569.274789][ T73] inet6_addr_add+0x4f8/0xa40 [ 9569.274789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9569.274789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.274789][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.274789][ T73] netlink_unicast+0x449/0x710 [ 9569.274789][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.274789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.274789][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.274789][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.274789][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.274789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.274789][ T73] [ 9569.276770][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9569.276770][ T73] netdev_get_by_index+0x5e/0x80 [ 9569.276770][ T73] fib6_nh_init+0x3d8/0x1580 [ 9569.276770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9569.276770][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9569.276770][ T73] ipv6_add_addr+0x411/0x2000 [ 9569.276770][ T73] inet6_addr_add+0x30e/0xa40 [ 9569.276770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9569.276770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.276770][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.276770][ T73] netlink_unicast+0x449/0x710 [ 9569.276770][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.276770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.276770][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.276770][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.276770][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.276770][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.276770][ T73] [ 9569.278749][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9569.278749][ T73] netdev_get_by_index+0x5e/0x80 [ 9569.278749][ T73] fib6_nh_init+0x3d8/0x1580 [ 9569.278749][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9569.278749][ T73] ip6_route_add+0x1c/0x140 [ 9569.278749][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9569.278749][ T73] addrconf_add_dev+0xe2/0x170 [ 9569.278749][ T73] inet6_addr_add+0x12f/0xa40 [ 9569.278749][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9569.278749][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.278749][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.278749][ T73] netlink_unicast+0x449/0x710 [ 9569.278749][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.278749][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.278749][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.278749][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.278749][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.278749][ T73] [ 9569.280696][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9569.280696][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9569.280696][ T73] ipv6_find_idev+0x102/0x170 [ 9569.280696][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9569.280696][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.280696][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.280696][ T73] netlink_unicast+0x449/0x710 [ 9569.280696][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.280696][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.280696][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.280696][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.280696][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.280696][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.280696][ T73] [ 9569.282219][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9569.282219][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9569.282219][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9569.282219][ T73] ipv6_find_idev+0x102/0x170 [ 9569.282219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9569.282219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9569.282219][ T73] netlink_rcv_skb+0x130/0x360 [ 9569.282219][ T73] netlink_unicast+0x449/0x710 [ 9569.282219][ T73] netlink_sendmsg+0x723/0xbe0 [ 9569.282219][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9569.282219][ T73] ___sys_sendmsg+0xee/0x170 [ 9569.282219][ T73] __sys_sendmsg+0xcd/0x170 [ 9569.282219][ T73] do_syscall_64+0xc6/0x1e0 [ 9569.282219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9569.282219][ T73] [ 9576.341733][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9576.342227][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9576.342227][ T1076] netdev_get_by_index+0x5e/0x80 [ 9576.342227][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9576.342227][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9576.342227][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9576.342227][ T1076] ipv6_add_addr+0x411/0x2000 [ 9576.342227][ T1076] inet6_addr_add+0x30e/0xa40 [ 9576.342227][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9576.342227][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.342227][ T1076] netlink_rcv_skb+0x130/0x360 [ 9576.342227][ T1076] netlink_unicast+0x449/0x710 [ 9576.342227][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9576.342227][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9576.342227][ T1076] ___sys_sendmsg+0xee/0x170 [ 9576.342227][ T1076] __sys_sendmsg+0xcd/0x170 [ 9576.342227][ T1076] do_syscall_64+0xc6/0x1e0 [ 9576.342227][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.342227][ T1076] [ 9576.344523][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9576.344523][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9576.344523][ T1076] ipv6_find_idev+0x102/0x170 [ 9576.344523][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9576.344523][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.344523][ T1076] netlink_rcv_skb+0x130/0x360 [ 9576.344523][ T1076] netlink_unicast+0x449/0x710 [ 9576.344523][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9576.344523][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9576.344523][ T1076] ___sys_sendmsg+0xee/0x170 [ 9576.344523][ T1076] __sys_sendmsg+0xcd/0x170 [ 9576.344523][ T1076] do_syscall_64+0xc6/0x1e0 [ 9576.344523][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.344523][ T1076] [ 9576.346265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9576.346265][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9576.346265][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9576.346265][ T1076] ipv6_find_idev+0x102/0x170 [ 9576.346265][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9576.346265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9576.346265][ T1076] netlink_rcv_skb+0x130/0x360 [ 9576.346265][ T1076] netlink_unicast+0x449/0x710 [ 9576.346265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9576.346265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9576.346265][ T1076] ___sys_sendmsg+0xee/0x170 [ 9576.346265][ T1076] __sys_sendmsg+0xcd/0x170 [ 9576.346265][ T1076] do_syscall_64+0xc6/0x1e0 [ 9576.346265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9576.346265][ T1076] [ 9579.525710][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9579.526095][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9579.526095][ T73] dst_init+0x84/0x4a0 [ 9579.526095][ T73] dst_alloc+0x97/0x150 [ 9579.526095][ T73] ip6_dst_alloc+0x23/0x90 [ 9579.526095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9579.526095][ T73] ip6_pol_route+0x56f/0x840 [ 9579.526095][ T73] fib6_rule_lookup+0x456/0x630 [ 9579.526095][ T73] ip6_route_input+0x59c/0xa50 [ 9579.526095][ T73] ipv6_rcv+0x397/0x810 [ 9579.526095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9579.526095][ T73] process_backlog+0x101/0x620 [ 9579.526095][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9579.526095][ T73] net_rx_action+0x495/0xbe0 [ 9579.526095][ T73] __do_softirq+0x1b5/0x7f6 [ 9579.526095][ T73] [ 9579.527751][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9579.527751][ T73] netdev_get_by_index+0x5e/0x80 [ 9579.527751][ T73] fib6_nh_init+0x3d8/0x1580 [ 9579.527751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9579.527751][ T73] ip6_route_add+0x1c/0x140 [ 9579.527751][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9579.527751][ T73] inet6_addr_add+0x4f8/0xa40 [ 9579.527751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9579.527751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.527751][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.527751][ T73] netlink_unicast+0x449/0x710 [ 9579.527751][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.527751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.527751][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.527751][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.527751][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.527751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.527751][ T73] [ 9579.529751][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9579.529751][ T73] netdev_get_by_index+0x5e/0x80 [ 9579.529751][ T73] fib6_nh_init+0x3d8/0x1580 [ 9579.529751][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9579.529751][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9579.529751][ T73] ipv6_add_addr+0x411/0x2000 [ 9579.529751][ T73] inet6_addr_add+0x30e/0xa40 [ 9579.529751][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9579.529751][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.529751][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.529751][ T73] netlink_unicast+0x449/0x710 [ 9579.529751][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.529751][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.529751][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.529751][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.529751][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.529751][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.529751][ T73] [ 9579.531741][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9579.531741][ T73] netdev_get_by_index+0x5e/0x80 [ 9579.531741][ T73] fib6_nh_init+0x3d8/0x1580 [ 9579.531741][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9579.531741][ T73] ip6_route_add+0x1c/0x140 [ 9579.531741][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9579.531741][ T73] addrconf_add_dev+0xe2/0x170 [ 9579.531741][ T73] inet6_addr_add+0x12f/0xa40 [ 9579.531741][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9579.531741][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.531741][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.531741][ T73] netlink_unicast+0x449/0x710 [ 9579.531741][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.531741][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.531741][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.531741][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.531741][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.531741][ T73] [ 9579.533690][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9579.533690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9579.533690][ T73] ipv6_find_idev+0x102/0x170 [ 9579.533690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9579.533690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.533690][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.533690][ T73] netlink_unicast+0x449/0x710 [ 9579.533690][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.533690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.533690][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.533690][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.533690][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.533690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.533690][ T73] [ 9579.535217][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9579.535217][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9579.535217][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9579.535217][ T73] ipv6_find_idev+0x102/0x170 [ 9579.535217][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9579.535217][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.535217][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.535217][ T73] netlink_unicast+0x449/0x710 [ 9579.535217][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.535217][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.535217][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.535217][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.535217][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.535217][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.535217][ T73] [ 9579.536886][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9579.537124][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9579.537124][ T73] dst_init+0x84/0x4a0 [ 9579.537124][ T73] dst_alloc+0x97/0x150 [ 9579.537124][ T73] ip6_dst_alloc+0x23/0x90 [ 9579.537124][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9579.537124][ T73] ip6_pol_route+0x56f/0x840 [ 9579.537124][ T73] fib6_rule_lookup+0x456/0x630 [ 9579.537124][ T73] ip6_route_input+0x59c/0xa50 [ 9579.537124][ T73] ipv6_rcv+0x397/0x810 [ 9579.537124][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9579.537124][ T73] process_backlog+0x101/0x620 [ 9579.537124][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9579.537124][ T73] net_rx_action+0x495/0xbe0 [ 9579.537124][ T73] __do_softirq+0x1b5/0x7f6 [ 9579.537124][ T73] [ 9579.538744][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9579.538744][ T73] netdev_get_by_index+0x5e/0x80 [ 9579.538744][ T73] fib6_nh_init+0x3d8/0x1580 [ 9579.538744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9579.538744][ T73] ip6_route_add+0x1c/0x140 [ 9579.538744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9579.538744][ T73] inet6_addr_add+0x4f8/0xa40 [ 9579.538744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9579.538744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.538744][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.538744][ T73] netlink_unicast+0x449/0x710 [ 9579.538744][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.538744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.538744][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.538744][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.538744][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.538744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.538744][ T73] [ 9579.540731][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9579.540731][ T73] netdev_get_by_index+0x5e/0x80 [ 9579.540731][ T73] fib6_nh_init+0x3d8/0x1580 [ 9579.540731][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9579.540731][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9579.540731][ T73] ipv6_add_addr+0x411/0x2000 [ 9579.540731][ T73] inet6_addr_add+0x30e/0xa40 [ 9579.540731][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9579.540731][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.540731][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.540731][ T73] netlink_unicast+0x449/0x710 [ 9579.540731][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.540731][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.540731][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.540731][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.540731][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.540731][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.540731][ T73] [ 9579.542702][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9579.542702][ T73] netdev_get_by_index+0x5e/0x80 [ 9579.542702][ T73] fib6_nh_init+0x3d8/0x1580 [ 9579.542702][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9579.542702][ T73] ip6_route_add+0x1c/0x140 [ 9579.542702][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9579.542702][ T73] addrconf_add_dev+0xe2/0x170 [ 9579.542702][ T73] inet6_addr_add+0x12f/0xa40 [ 9579.542702][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9579.542702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.542702][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.542702][ T73] netlink_unicast+0x449/0x710 [ 9579.542702][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.542702][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.542702][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.542702][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.542702][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.542702][ T73] [ 9579.544649][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9579.544649][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9579.544649][ T73] ipv6_find_idev+0x102/0x170 [ 9579.544649][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9579.544649][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.544649][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.544649][ T73] netlink_unicast+0x449/0x710 [ 9579.544649][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.544649][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.544649][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.544649][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.544649][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.544649][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.544649][ T73] [ 9579.546179][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9579.546179][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9579.546179][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9579.546179][ T73] ipv6_find_idev+0x102/0x170 [ 9579.546179][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9579.546179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9579.546179][ T73] netlink_rcv_skb+0x130/0x360 [ 9579.546179][ T73] netlink_unicast+0x449/0x710 [ 9579.546179][ T73] netlink_sendmsg+0x723/0xbe0 [ 9579.546179][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9579.546179][ T73] ___sys_sendmsg+0xee/0x170 [ 9579.546179][ T73] __sys_sendmsg+0xcd/0x170 [ 9579.546179][ T73] do_syscall_64+0xc6/0x1e0 [ 9579.546179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9579.546179][ T73] [ 9586.597708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9586.598147][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9586.598147][ T1076] netdev_get_by_index+0x5e/0x80 [ 9586.598147][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9586.598147][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9586.598147][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9586.598147][ T1076] ipv6_add_addr+0x411/0x2000 [ 9586.598147][ T1076] inet6_addr_add+0x30e/0xa40 [ 9586.598147][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9586.598147][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.598147][ T1076] netlink_rcv_skb+0x130/0x360 [ 9586.598147][ T1076] netlink_unicast+0x449/0x710 [ 9586.598147][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9586.598147][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9586.598147][ T1076] ___sys_sendmsg+0xee/0x170 [ 9586.598147][ T1076] __sys_sendmsg+0xcd/0x170 [ 9586.598147][ T1076] do_syscall_64+0xc6/0x1e0 [ 9586.598147][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.598147][ T1076] [ 9586.600512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9586.600512][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9586.600512][ T1076] ipv6_find_idev+0x102/0x170 [ 9586.600512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9586.600512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.600512][ T1076] netlink_rcv_skb+0x130/0x360 [ 9586.600512][ T1076] netlink_unicast+0x449/0x710 [ 9586.600512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9586.600512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9586.600512][ T1076] ___sys_sendmsg+0xee/0x170 [ 9586.600512][ T1076] __sys_sendmsg+0xcd/0x170 [ 9586.600512][ T1076] do_syscall_64+0xc6/0x1e0 [ 9586.600512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.600512][ T1076] [ 9586.602259][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9586.602259][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9586.602259][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9586.602259][ T1076] ipv6_find_idev+0x102/0x170 [ 9586.602259][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9586.602259][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9586.602259][ T1076] netlink_rcv_skb+0x130/0x360 [ 9586.602259][ T1076] netlink_unicast+0x449/0x710 [ 9586.602259][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9586.602259][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9586.602259][ T1076] ___sys_sendmsg+0xee/0x170 [ 9586.602259][ T1076] __sys_sendmsg+0xcd/0x170 [ 9586.602259][ T1076] do_syscall_64+0xc6/0x1e0 [ 9586.602259][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9586.602259][ T1076] [ 9589.789692][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9589.790025][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9589.790025][ T73] dst_init+0x84/0x4a0 [ 9589.790025][ T73] dst_alloc+0x97/0x150 [ 9589.790025][ T73] ip6_dst_alloc+0x23/0x90 [ 9589.790025][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9589.790025][ T73] ip6_pol_route+0x56f/0x840 [ 9589.790025][ T73] fib6_rule_lookup+0x456/0x630 [ 9589.790025][ T73] ip6_route_input+0x59c/0xa50 [ 9589.790025][ T73] ipv6_rcv+0x397/0x810 [ 9589.790025][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9589.790025][ T73] process_backlog+0x101/0x620 [ 9589.790025][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9589.790025][ T73] net_rx_action+0x495/0xbe0 [ 9589.790025][ T73] __do_softirq+0x1b5/0x7f6 [ 9589.790025][ T73] [ 9589.791678][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9589.791678][ T73] netdev_get_by_index+0x5e/0x80 [ 9589.791678][ T73] fib6_nh_init+0x3d8/0x1580 [ 9589.791678][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9589.791678][ T73] ip6_route_add+0x1c/0x140 [ 9589.791678][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9589.791678][ T73] inet6_addr_add+0x4f8/0xa40 [ 9589.791678][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9589.791678][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.791678][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.791678][ T73] netlink_unicast+0x449/0x710 [ 9589.791678][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.791678][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.791678][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.791678][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.791678][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.791678][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.791678][ T73] [ 9589.793657][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9589.793657][ T73] netdev_get_by_index+0x5e/0x80 [ 9589.793657][ T73] fib6_nh_init+0x3d8/0x1580 [ 9589.793657][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9589.793657][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9589.793657][ T73] ipv6_add_addr+0x411/0x2000 [ 9589.793657][ T73] inet6_addr_add+0x30e/0xa40 [ 9589.793657][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9589.793657][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.793657][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.793657][ T73] netlink_unicast+0x449/0x710 [ 9589.793657][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.793657][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.793657][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.793657][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.793657][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.793657][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.793657][ T73] [ 9589.795641][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9589.795641][ T73] netdev_get_by_index+0x5e/0x80 [ 9589.795641][ T73] fib6_nh_init+0x3d8/0x1580 [ 9589.795641][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9589.795641][ T73] ip6_route_add+0x1c/0x140 [ 9589.795641][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9589.795641][ T73] addrconf_add_dev+0xe2/0x170 [ 9589.795641][ T73] inet6_addr_add+0x12f/0xa40 [ 9589.795641][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9589.795641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.795641][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.795641][ T73] netlink_unicast+0x449/0x710 [ 9589.795641][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.795641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.795641][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.795641][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.795641][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.795641][ T73] [ 9589.797586][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9589.797586][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9589.797586][ T73] ipv6_find_idev+0x102/0x170 [ 9589.797586][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9589.797586][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.797586][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.797586][ T73] netlink_unicast+0x449/0x710 [ 9589.797586][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.797586][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.797586][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.797586][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.797586][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.797586][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.797586][ T73] [ 9589.799119][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9589.799119][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9589.799119][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9589.799119][ T73] ipv6_find_idev+0x102/0x170 [ 9589.799119][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9589.799119][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.799119][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.799119][ T73] netlink_unicast+0x449/0x710 [ 9589.799119][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.799119][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.799119][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.799119][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.799119][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.799119][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.799119][ T73] [ 9589.800794][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9589.801035][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9589.801035][ T73] dst_init+0x84/0x4a0 [ 9589.801035][ T73] dst_alloc+0x97/0x150 [ 9589.801035][ T73] ip6_dst_alloc+0x23/0x90 [ 9589.801035][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9589.801035][ T73] ip6_pol_route+0x56f/0x840 [ 9589.801035][ T73] fib6_rule_lookup+0x456/0x630 [ 9589.801035][ T73] ip6_route_input+0x59c/0xa50 [ 9589.801035][ T73] ipv6_rcv+0x397/0x810 [ 9589.801035][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9589.801035][ T73] process_backlog+0x101/0x620 [ 9589.801035][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9589.801035][ T73] net_rx_action+0x495/0xbe0 [ 9589.801035][ T73] __do_softirq+0x1b5/0x7f6 [ 9589.801035][ T73] [ 9589.802654][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9589.802654][ T73] netdev_get_by_index+0x5e/0x80 [ 9589.802654][ T73] fib6_nh_init+0x3d8/0x1580 [ 9589.802654][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9589.802654][ T73] ip6_route_add+0x1c/0x140 [ 9589.802654][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9589.802654][ T73] inet6_addr_add+0x4f8/0xa40 [ 9589.802654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9589.802654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.802654][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.802654][ T73] netlink_unicast+0x449/0x710 [ 9589.802654][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.802654][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.802654][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.802654][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.802654][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.802654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.802654][ T73] [ 9589.804627][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9589.804627][ T73] netdev_get_by_index+0x5e/0x80 [ 9589.804627][ T73] fib6_nh_init+0x3d8/0x1580 [ 9589.804627][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9589.804627][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9589.804627][ T73] ipv6_add_addr+0x411/0x2000 [ 9589.804627][ T73] inet6_addr_add+0x30e/0xa40 [ 9589.804627][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9589.804627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.804627][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.804627][ T73] netlink_unicast+0x449/0x710 [ 9589.804627][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.804627][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.804627][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.804627][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.804627][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.804627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.804627][ T73] [ 9589.806599][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9589.806599][ T73] netdev_get_by_index+0x5e/0x80 [ 9589.806599][ T73] fib6_nh_init+0x3d8/0x1580 [ 9589.806599][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9589.806599][ T73] ip6_route_add+0x1c/0x140 [ 9589.806599][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9589.806599][ T73] addrconf_add_dev+0xe2/0x170 [ 9589.806599][ T73] inet6_addr_add+0x12f/0xa40 [ 9589.806599][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9589.806599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.806599][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.806599][ T73] netlink_unicast+0x449/0x710 [ 9589.806599][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.806599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.806599][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.806599][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.806599][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.806599][ T73] [ 9589.808546][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9589.808546][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9589.808546][ T73] ipv6_find_idev+0x102/0x170 [ 9589.808546][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9589.808546][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.808546][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.808546][ T73] netlink_unicast+0x449/0x710 [ 9589.808546][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.808546][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.808546][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.808546][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.808546][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.808546][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.808546][ T73] [ 9589.810074][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9589.810074][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9589.810074][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9589.810074][ T73] ipv6_find_idev+0x102/0x170 [ 9589.810074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9589.810074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9589.810074][ T73] netlink_rcv_skb+0x130/0x360 [ 9589.810074][ T73] netlink_unicast+0x449/0x710 [ 9589.810074][ T73] netlink_sendmsg+0x723/0xbe0 [ 9589.810074][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9589.810074][ T73] ___sys_sendmsg+0xee/0x170 [ 9589.810074][ T73] __sys_sendmsg+0xcd/0x170 [ 9589.810074][ T73] do_syscall_64+0xc6/0x1e0 [ 9589.810074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9589.810074][ T73] [ 9596.853709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9596.854156][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9596.854156][ T1076] netdev_get_by_index+0x5e/0x80 [ 9596.854156][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9596.854156][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9596.854156][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9596.854156][ T1076] ipv6_add_addr+0x411/0x2000 [ 9596.854156][ T1076] inet6_addr_add+0x30e/0xa40 [ 9596.854156][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9596.854156][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.854156][ T1076] netlink_rcv_skb+0x130/0x360 [ 9596.854156][ T1076] netlink_unicast+0x449/0x710 [ 9596.854156][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9596.854156][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9596.854156][ T1076] ___sys_sendmsg+0xee/0x170 [ 9596.854156][ T1076] __sys_sendmsg+0xcd/0x170 [ 9596.854156][ T1076] do_syscall_64+0xc6/0x1e0 [ 9596.854156][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.854156][ T1076] [ 9596.856447][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9596.856447][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9596.856447][ T1076] ipv6_find_idev+0x102/0x170 [ 9596.856447][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9596.856447][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.856447][ T1076] netlink_rcv_skb+0x130/0x360 [ 9596.856447][ T1076] netlink_unicast+0x449/0x710 [ 9596.856447][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9596.856447][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9596.856447][ T1076] ___sys_sendmsg+0xee/0x170 [ 9596.856447][ T1076] __sys_sendmsg+0xcd/0x170 [ 9596.856447][ T1076] do_syscall_64+0xc6/0x1e0 [ 9596.856447][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.856447][ T1076] [ 9596.858200][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9596.858200][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9596.858200][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9596.858200][ T1076] ipv6_find_idev+0x102/0x170 [ 9596.858200][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9596.858200][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9596.858200][ T1076] netlink_rcv_skb+0x130/0x360 [ 9596.858200][ T1076] netlink_unicast+0x449/0x710 [ 9596.858200][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9596.858200][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9596.858200][ T1076] ___sys_sendmsg+0xee/0x170 [ 9596.858200][ T1076] __sys_sendmsg+0xcd/0x170 [ 9596.858200][ T1076] do_syscall_64+0xc6/0x1e0 [ 9596.858200][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9596.858200][ T1076] [ 9600.053756][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9600.054173][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9600.054173][ T73] dst_init+0x84/0x4a0 [ 9600.054173][ T73] dst_alloc+0x97/0x150 [ 9600.054173][ T73] ip6_dst_alloc+0x23/0x90 [ 9600.054173][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9600.054173][ T73] ip6_pol_route+0x56f/0x840 [ 9600.054173][ T73] fib6_rule_lookup+0x456/0x630 [ 9600.054173][ T73] ip6_route_input+0x59c/0xa50 [ 9600.054173][ T73] ipv6_rcv+0x397/0x810 [ 9600.054173][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9600.054173][ T73] process_backlog+0x101/0x620 [ 9600.054173][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9600.054173][ T73] net_rx_action+0x495/0xbe0 [ 9600.054173][ T73] __do_softirq+0x1b5/0x7f6 [ 9600.054173][ T73] [ 9600.055830][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9600.055830][ T73] netdev_get_by_index+0x5e/0x80 [ 9600.055830][ T73] fib6_nh_init+0x3d8/0x1580 [ 9600.055830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9600.055830][ T73] ip6_route_add+0x1c/0x140 [ 9600.055830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9600.055830][ T73] inet6_addr_add+0x4f8/0xa40 [ 9600.055830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9600.055830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.055830][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.055830][ T73] netlink_unicast+0x449/0x710 [ 9600.055830][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.055830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.055830][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.055830][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.055830][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.055830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.055830][ T73] [ 9600.057823][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9600.057823][ T73] netdev_get_by_index+0x5e/0x80 [ 9600.057823][ T73] fib6_nh_init+0x3d8/0x1580 [ 9600.057823][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9600.057823][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9600.057823][ T73] ipv6_add_addr+0x411/0x2000 [ 9600.057823][ T73] inet6_addr_add+0x30e/0xa40 [ 9600.057823][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9600.057823][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.057823][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.057823][ T73] netlink_unicast+0x449/0x710 [ 9600.057823][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.057823][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.057823][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.057823][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.057823][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.057823][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.057823][ T73] [ 9600.059833][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9600.059833][ T73] netdev_get_by_index+0x5e/0x80 [ 9600.059833][ T73] fib6_nh_init+0x3d8/0x1580 [ 9600.059833][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9600.059833][ T73] ip6_route_add+0x1c/0x140 [ 9600.059833][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9600.059833][ T73] addrconf_add_dev+0xe2/0x170 [ 9600.059833][ T73] inet6_addr_add+0x12f/0xa40 [ 9600.059833][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9600.059833][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.059833][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.059833][ T73] netlink_unicast+0x449/0x710 [ 9600.059833][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.059833][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.059833][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.059833][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.059833][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.059833][ T73] [ 9600.061785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9600.061785][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9600.061785][ T73] ipv6_find_idev+0x102/0x170 [ 9600.061785][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9600.061785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.061785][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.061785][ T73] netlink_unicast+0x449/0x710 [ 9600.061785][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.061785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.061785][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.061785][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.061785][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.061785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.061785][ T73] [ 9600.063315][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9600.063315][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9600.063315][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9600.063315][ T73] ipv6_find_idev+0x102/0x170 [ 9600.063315][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9600.063315][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.063315][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.063315][ T73] netlink_unicast+0x449/0x710 [ 9600.063315][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.063315][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.063315][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.063315][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.063315][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.063315][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.063315][ T73] [ 9600.064983][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9600.065222][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9600.065222][ T73] dst_init+0x84/0x4a0 [ 9600.065222][ T73] dst_alloc+0x97/0x150 [ 9600.065222][ T73] ip6_dst_alloc+0x23/0x90 [ 9600.065222][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9600.065222][ T73] ip6_pol_route+0x56f/0x840 [ 9600.065222][ T73] fib6_rule_lookup+0x456/0x630 [ 9600.065222][ T73] ip6_route_input+0x59c/0xa50 [ 9600.065222][ T73] ipv6_rcv+0x397/0x810 [ 9600.065222][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9600.065222][ T73] process_backlog+0x101/0x620 [ 9600.065222][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9600.065222][ T73] net_rx_action+0x495/0xbe0 [ 9600.065222][ T73] __do_softirq+0x1b5/0x7f6 [ 9600.065222][ T73] [ 9600.066849][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9600.066849][ T73] netdev_get_by_index+0x5e/0x80 [ 9600.066849][ T73] fib6_nh_init+0x3d8/0x1580 [ 9600.066849][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9600.066849][ T73] ip6_route_add+0x1c/0x140 [ 9600.066849][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9600.066849][ T73] inet6_addr_add+0x4f8/0xa40 [ 9600.066849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9600.066849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.066849][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.066849][ T73] netlink_unicast+0x449/0x710 [ 9600.066849][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.066849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.066849][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.066849][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.066849][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.066849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.066849][ T73] [ 9600.068873][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9600.068873][ T73] netdev_get_by_index+0x5e/0x80 [ 9600.068873][ T73] fib6_nh_init+0x3d8/0x1580 [ 9600.068873][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9600.068873][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9600.068873][ T73] ipv6_add_addr+0x411/0x2000 [ 9600.068873][ T73] inet6_addr_add+0x30e/0xa40 [ 9600.068873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9600.068873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.068873][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.068873][ T73] netlink_unicast+0x449/0x710 [ 9600.068873][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.068873][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.068873][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.068873][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.068873][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.068873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.068873][ T73] [ 9600.070865][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9600.070865][ T73] netdev_get_by_index+0x5e/0x80 [ 9600.070865][ T73] fib6_nh_init+0x3d8/0x1580 [ 9600.070865][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9600.070865][ T73] ip6_route_add+0x1c/0x140 [ 9600.070865][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9600.070865][ T73] addrconf_add_dev+0xe2/0x170 [ 9600.070865][ T73] inet6_addr_add+0x12f/0xa40 [ 9600.070865][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9600.070865][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.070865][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.070865][ T73] netlink_unicast+0x449/0x710 [ 9600.070865][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.070865][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.070865][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.070865][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.070865][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.070865][ T73] [ 9600.072815][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9600.072815][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9600.072815][ T73] ipv6_find_idev+0x102/0x170 [ 9600.072815][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9600.072815][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.072815][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.072815][ T73] netlink_unicast+0x449/0x710 [ 9600.072815][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.072815][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.072815][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.072815][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.072815][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.072815][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.072815][ T73] [ 9600.074346][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9600.074346][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9600.074346][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9600.074346][ T73] ipv6_find_idev+0x102/0x170 [ 9600.074346][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9600.074346][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9600.074346][ T73] netlink_rcv_skb+0x130/0x360 [ 9600.074346][ T73] netlink_unicast+0x449/0x710 [ 9600.074346][ T73] netlink_sendmsg+0x723/0xbe0 [ 9600.074346][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9600.074346][ T73] ___sys_sendmsg+0xee/0x170 [ 9600.074346][ T73] __sys_sendmsg+0xcd/0x170 [ 9600.074346][ T73] do_syscall_64+0xc6/0x1e0 [ 9600.074346][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9600.074346][ T73] [ 9607.109713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9607.110203][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9607.110203][ T1076] netdev_get_by_index+0x5e/0x80 [ 9607.110203][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9607.110203][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9607.110203][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9607.110203][ T1076] ipv6_add_addr+0x411/0x2000 [ 9607.110203][ T1076] inet6_addr_add+0x30e/0xa40 [ 9607.110203][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9607.110203][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.110203][ T1076] netlink_rcv_skb+0x130/0x360 [ 9607.110203][ T1076] netlink_unicast+0x449/0x710 [ 9607.110203][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9607.110203][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9607.110203][ T1076] ___sys_sendmsg+0xee/0x170 [ 9607.110203][ T1076] __sys_sendmsg+0xcd/0x170 [ 9607.110203][ T1076] do_syscall_64+0xc6/0x1e0 [ 9607.110203][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.110203][ T1076] [ 9607.112466][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9607.112466][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9607.112466][ T1076] ipv6_find_idev+0x102/0x170 [ 9607.112466][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.112466][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.112466][ T1076] netlink_rcv_skb+0x130/0x360 [ 9607.112466][ T1076] netlink_unicast+0x449/0x710 [ 9607.112466][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9607.112466][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9607.112466][ T1076] ___sys_sendmsg+0xee/0x170 [ 9607.112466][ T1076] __sys_sendmsg+0xcd/0x170 [ 9607.112466][ T1076] do_syscall_64+0xc6/0x1e0 [ 9607.112466][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.112466][ T1076] [ 9607.114212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9607.114212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9607.114212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9607.114212][ T1076] ipv6_find_idev+0x102/0x170 [ 9607.114212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9607.114212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9607.114212][ T1076] netlink_rcv_skb+0x130/0x360 [ 9607.114212][ T1076] netlink_unicast+0x449/0x710 [ 9607.114212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9607.114212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9607.114212][ T1076] ___sys_sendmsg+0xee/0x170 [ 9607.114212][ T1076] __sys_sendmsg+0xcd/0x170 [ 9607.114212][ T1076] do_syscall_64+0xc6/0x1e0 [ 9607.114212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9607.114212][ T1076] [ 9610.317714][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9610.318095][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9610.318095][ T73] dst_init+0x84/0x4a0 [ 9610.318095][ T73] dst_alloc+0x97/0x150 [ 9610.318095][ T73] ip6_dst_alloc+0x23/0x90 [ 9610.318095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9610.318095][ T73] ip6_pol_route+0x56f/0x840 [ 9610.318095][ T73] fib6_rule_lookup+0x456/0x630 [ 9610.318095][ T73] ip6_route_input+0x59c/0xa50 [ 9610.318095][ T73] ipv6_rcv+0x397/0x810 [ 9610.318095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9610.318095][ T73] process_backlog+0x101/0x620 [ 9610.318095][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9610.318095][ T73] net_rx_action+0x495/0xbe0 [ 9610.318095][ T73] __do_softirq+0x1b5/0x7f6 [ 9610.318095][ T73] [ 9610.319748][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9610.319748][ T73] netdev_get_by_index+0x5e/0x80 [ 9610.319748][ T73] fib6_nh_init+0x3d8/0x1580 [ 9610.319748][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9610.319748][ T73] ip6_route_add+0x1c/0x140 [ 9610.319748][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9610.319748][ T73] inet6_addr_add+0x4f8/0xa40 [ 9610.319748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9610.319748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.319748][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.319748][ T73] netlink_unicast+0x449/0x710 [ 9610.319748][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.319748][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.319748][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.319748][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.319748][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.319748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.319748][ T73] [ 9610.321729][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9610.321729][ T73] netdev_get_by_index+0x5e/0x80 [ 9610.321729][ T73] fib6_nh_init+0x3d8/0x1580 [ 9610.321729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9610.321729][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9610.321729][ T73] ipv6_add_addr+0x411/0x2000 [ 9610.321729][ T73] inet6_addr_add+0x30e/0xa40 [ 9610.321729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9610.321729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.321729][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.321729][ T73] netlink_unicast+0x449/0x710 [ 9610.321729][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.321729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.321729][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.321729][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.321729][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.321729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.321729][ T73] [ 9610.323706][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9610.323706][ T73] netdev_get_by_index+0x5e/0x80 [ 9610.323706][ T73] fib6_nh_init+0x3d8/0x1580 [ 9610.323706][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9610.323706][ T73] ip6_route_add+0x1c/0x140 [ 9610.323706][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9610.323706][ T73] addrconf_add_dev+0xe2/0x170 [ 9610.323706][ T73] inet6_addr_add+0x12f/0xa40 [ 9610.323706][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9610.323706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.323706][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.323706][ T73] netlink_unicast+0x449/0x710 [ 9610.323706][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.323706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.323706][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.323706][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.323706][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.323706][ T73] [ 9610.325761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9610.325761][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9610.325761][ T73] ipv6_find_idev+0x102/0x170 [ 9610.325761][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9610.325761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.325761][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.325761][ T73] netlink_unicast+0x449/0x710 [ 9610.325761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.325761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.325761][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.325761][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.325761][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.325761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.325761][ T73] [ 9610.327292][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9610.327292][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9610.327292][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9610.327292][ T73] ipv6_find_idev+0x102/0x170 [ 9610.327292][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9610.327292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.327292][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.327292][ T73] netlink_unicast+0x449/0x710 [ 9610.327292][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.327292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.327292][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.327292][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.327292][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.327292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.327292][ T73] [ 9610.328976][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9610.329214][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9610.329214][ T73] dst_init+0x84/0x4a0 [ 9610.329214][ T73] dst_alloc+0x97/0x150 [ 9610.329214][ T73] ip6_dst_alloc+0x23/0x90 [ 9610.329214][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9610.329214][ T73] ip6_pol_route+0x56f/0x840 [ 9610.329214][ T73] fib6_rule_lookup+0x456/0x630 [ 9610.329214][ T73] ip6_route_input+0x59c/0xa50 [ 9610.329214][ T73] ipv6_rcv+0x397/0x810 [ 9610.329214][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9610.329214][ T73] process_backlog+0x101/0x620 [ 9610.329214][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9610.329214][ T73] net_rx_action+0x495/0xbe0 [ 9610.329214][ T73] __do_softirq+0x1b5/0x7f6 [ 9610.329214][ T73] [ 9610.330841][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9610.330841][ T73] netdev_get_by_index+0x5e/0x80 [ 9610.330841][ T73] fib6_nh_init+0x3d8/0x1580 [ 9610.330841][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9610.330841][ T73] ip6_route_add+0x1c/0x140 [ 9610.330841][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9610.330841][ T73] inet6_addr_add+0x4f8/0xa40 [ 9610.330841][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9610.330841][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.330841][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.330841][ T73] netlink_unicast+0x449/0x710 [ 9610.330841][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.330841][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.330841][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.330841][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.330841][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.330841][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.330841][ T73] [ 9610.332835][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9610.332835][ T73] netdev_get_by_index+0x5e/0x80 [ 9610.332835][ T73] fib6_nh_init+0x3d8/0x1580 [ 9610.332835][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9610.332835][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9610.332835][ T73] ipv6_add_addr+0x411/0x2000 [ 9610.332835][ T73] inet6_addr_add+0x30e/0xa40 [ 9610.332835][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9610.332835][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.332835][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.332835][ T73] netlink_unicast+0x449/0x710 [ 9610.332835][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.332835][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.332835][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.332835][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.332835][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.332835][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.332835][ T73] [ 9610.334816][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9610.334816][ T73] netdev_get_by_index+0x5e/0x80 [ 9610.334816][ T73] fib6_nh_init+0x3d8/0x1580 [ 9610.334816][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9610.334816][ T73] ip6_route_add+0x1c/0x140 [ 9610.334816][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9610.334816][ T73] addrconf_add_dev+0xe2/0x170 [ 9610.334816][ T73] inet6_addr_add+0x12f/0xa40 [ 9610.334816][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9610.334816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.334816][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.334816][ T73] netlink_unicast+0x449/0x710 [ 9610.334816][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.334816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.334816][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.334816][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.334816][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.334816][ T73] [ 9610.336767][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9610.336767][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9610.336767][ T73] ipv6_find_idev+0x102/0x170 [ 9610.336767][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9610.336767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.336767][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.336767][ T73] netlink_unicast+0x449/0x710 [ 9610.336767][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.336767][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.336767][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.336767][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.336767][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.336767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.336767][ T73] [ 9610.338292][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9610.338292][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9610.338292][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9610.338292][ T73] ipv6_find_idev+0x102/0x170 [ 9610.338292][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9610.338292][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9610.338292][ T73] netlink_rcv_skb+0x130/0x360 [ 9610.338292][ T73] netlink_unicast+0x449/0x710 [ 9610.338292][ T73] netlink_sendmsg+0x723/0xbe0 [ 9610.338292][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9610.338292][ T73] ___sys_sendmsg+0xee/0x170 [ 9610.338292][ T73] __sys_sendmsg+0xcd/0x170 [ 9610.338292][ T73] do_syscall_64+0xc6/0x1e0 [ 9610.338292][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9610.338292][ T73] [ 9617.357704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9617.358188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9617.358188][ T1076] netdev_get_by_index+0x5e/0x80 [ 9617.358188][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9617.358188][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9617.358188][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9617.358188][ T1076] ipv6_add_addr+0x411/0x2000 [ 9617.358188][ T1076] inet6_addr_add+0x30e/0xa40 [ 9617.358188][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9617.358188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.358188][ T1076] netlink_rcv_skb+0x130/0x360 [ 9617.358188][ T1076] netlink_unicast+0x449/0x710 [ 9617.358188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9617.358188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9617.358188][ T1076] ___sys_sendmsg+0xee/0x170 [ 9617.358188][ T1076] __sys_sendmsg+0xcd/0x170 [ 9617.358188][ T1076] do_syscall_64+0xc6/0x1e0 [ 9617.358188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.358188][ T1076] [ 9617.360449][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9617.360449][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9617.360449][ T1076] ipv6_find_idev+0x102/0x170 [ 9617.360449][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9617.360449][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.360449][ T1076] netlink_rcv_skb+0x130/0x360 [ 9617.360449][ T1076] netlink_unicast+0x449/0x710 [ 9617.360449][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9617.360449][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9617.360449][ T1076] ___sys_sendmsg+0xee/0x170 [ 9617.360449][ T1076] __sys_sendmsg+0xcd/0x170 [ 9617.360449][ T1076] do_syscall_64+0xc6/0x1e0 [ 9617.360449][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.360449][ T1076] [ 9617.362205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9617.362205][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9617.362205][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9617.362205][ T1076] ipv6_find_idev+0x102/0x170 [ 9617.362205][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9617.362205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9617.362205][ T1076] netlink_rcv_skb+0x130/0x360 [ 9617.362205][ T1076] netlink_unicast+0x449/0x710 [ 9617.362205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9617.362205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9617.362205][ T1076] ___sys_sendmsg+0xee/0x170 [ 9617.362205][ T1076] __sys_sendmsg+0xcd/0x170 [ 9617.362205][ T1076] do_syscall_64+0xc6/0x1e0 [ 9617.362205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9617.362205][ T1076] [ 9620.581709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9620.582117][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9620.582117][ T73] dst_init+0x84/0x4a0 [ 9620.582117][ T73] dst_alloc+0x97/0x150 [ 9620.582117][ T73] ip6_dst_alloc+0x23/0x90 [ 9620.582117][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9620.582117][ T73] ip6_pol_route+0x56f/0x840 [ 9620.582117][ T73] fib6_rule_lookup+0x456/0x630 [ 9620.582117][ T73] ip6_route_input+0x59c/0xa50 [ 9620.582117][ T73] ipv6_rcv+0x397/0x810 [ 9620.582117][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9620.582117][ T73] process_backlog+0x101/0x620 [ 9620.582117][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9620.582117][ T73] net_rx_action+0x495/0xbe0 [ 9620.582117][ T73] __do_softirq+0x1b5/0x7f6 [ 9620.582117][ T73] [ 9620.583778][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9620.583778][ T73] netdev_get_by_index+0x5e/0x80 [ 9620.583778][ T73] fib6_nh_init+0x3d8/0x1580 [ 9620.583778][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9620.583778][ T73] ip6_route_add+0x1c/0x140 [ 9620.583778][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9620.583778][ T73] inet6_addr_add+0x4f8/0xa40 [ 9620.583778][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9620.583778][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.583778][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.583778][ T73] netlink_unicast+0x449/0x710 [ 9620.583778][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.583778][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.583778][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.583778][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.583778][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.583778][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.583778][ T73] [ 9620.585775][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9620.585775][ T73] netdev_get_by_index+0x5e/0x80 [ 9620.585775][ T73] fib6_nh_init+0x3d8/0x1580 [ 9620.585775][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9620.585775][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9620.585775][ T73] ipv6_add_addr+0x411/0x2000 [ 9620.585775][ T73] inet6_addr_add+0x30e/0xa40 [ 9620.585775][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9620.585775][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.585775][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.585775][ T73] netlink_unicast+0x449/0x710 [ 9620.585775][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.585775][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.585775][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.585775][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.585775][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.585775][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.585775][ T73] [ 9620.587770][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9620.587770][ T73] netdev_get_by_index+0x5e/0x80 [ 9620.587770][ T73] fib6_nh_init+0x3d8/0x1580 [ 9620.587770][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9620.587770][ T73] ip6_route_add+0x1c/0x140 [ 9620.587770][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9620.587770][ T73] addrconf_add_dev+0xe2/0x170 [ 9620.587770][ T73] inet6_addr_add+0x12f/0xa40 [ 9620.587770][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9620.587770][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.587770][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.587770][ T73] netlink_unicast+0x449/0x710 [ 9620.587770][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.587770][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.587770][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.587770][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.587770][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.587770][ T73] [ 9620.589762][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9620.589762][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9620.589762][ T73] ipv6_find_idev+0x102/0x170 [ 9620.589762][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9620.589762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.589762][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.589762][ T73] netlink_unicast+0x449/0x710 [ 9620.589762][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.589762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.589762][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.589762][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.589762][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.589762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.589762][ T73] [ 9620.591297][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9620.591297][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9620.591297][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9620.591297][ T73] ipv6_find_idev+0x102/0x170 [ 9620.591297][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9620.591297][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.591297][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.591297][ T73] netlink_unicast+0x449/0x710 [ 9620.591297][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.591297][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.591297][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.591297][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.591297][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.591297][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.591297][ T73] [ 9620.592981][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9620.593217][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9620.593217][ T73] dst_init+0x84/0x4a0 [ 9620.593217][ T73] dst_alloc+0x97/0x150 [ 9620.593217][ T73] ip6_dst_alloc+0x23/0x90 [ 9620.593217][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9620.593217][ T73] ip6_pol_route+0x56f/0x840 [ 9620.593217][ T73] fib6_rule_lookup+0x456/0x630 [ 9620.593217][ T73] ip6_route_input+0x59c/0xa50 [ 9620.593217][ T73] ipv6_rcv+0x397/0x810 [ 9620.593217][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9620.593217][ T73] process_backlog+0x101/0x620 [ 9620.593217][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9620.593217][ T73] net_rx_action+0x495/0xbe0 [ 9620.593217][ T73] __do_softirq+0x1b5/0x7f6 [ 9620.593217][ T73] [ 9620.594857][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9620.594857][ T73] netdev_get_by_index+0x5e/0x80 [ 9620.594857][ T73] fib6_nh_init+0x3d8/0x1580 [ 9620.594857][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9620.594857][ T73] ip6_route_add+0x1c/0x140 [ 9620.594857][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9620.594857][ T73] inet6_addr_add+0x4f8/0xa40 [ 9620.594857][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9620.594857][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.594857][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.594857][ T73] netlink_unicast+0x449/0x710 [ 9620.594857][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.594857][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.594857][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.594857][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.594857][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.594857][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.594857][ T73] [ 9620.596851][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9620.596851][ T73] netdev_get_by_index+0x5e/0x80 [ 9620.596851][ T73] fib6_nh_init+0x3d8/0x1580 [ 9620.596851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9620.596851][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9620.596851][ T73] ipv6_add_addr+0x411/0x2000 [ 9620.596851][ T73] inet6_addr_add+0x30e/0xa40 [ 9620.596851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9620.596851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.596851][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.596851][ T73] netlink_unicast+0x449/0x710 [ 9620.596851][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.596851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.596851][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.596851][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.596851][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.596851][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.596851][ T73] [ 9620.599142][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9620.599142][ T73] netdev_get_by_index+0x5e/0x80 [ 9620.599142][ T73] fib6_nh_init+0x3d8/0x1580 [ 9620.599142][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9620.599142][ T73] ip6_route_add+0x1c/0x140 [ 9620.599142][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9620.599142][ T73] addrconf_add_dev+0xe2/0x170 [ 9620.599142][ T73] inet6_addr_add+0x12f/0xa40 [ 9620.599142][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9620.599142][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.599142][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.599142][ T73] netlink_unicast+0x449/0x710 [ 9620.599142][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.599142][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.599142][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.599142][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.599142][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.599142][ T73] [ 9620.601088][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9620.601088][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9620.601088][ T73] ipv6_find_idev+0x102/0x170 [ 9620.601088][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9620.601088][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.601088][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.601088][ T73] netlink_unicast+0x449/0x710 [ 9620.601088][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.601088][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.601088][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.601088][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.601088][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.601088][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.601088][ T73] [ 9620.602614][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9620.602614][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9620.602614][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9620.602614][ T73] ipv6_find_idev+0x102/0x170 [ 9620.602614][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9620.602614][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9620.602614][ T73] netlink_rcv_skb+0x130/0x360 [ 9620.602614][ T73] netlink_unicast+0x449/0x710 [ 9620.602614][ T73] netlink_sendmsg+0x723/0xbe0 [ 9620.602614][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9620.602614][ T73] ___sys_sendmsg+0xee/0x170 [ 9620.602614][ T73] __sys_sendmsg+0xcd/0x170 [ 9620.602614][ T73] do_syscall_64+0xc6/0x1e0 [ 9620.602614][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9620.602614][ T73] [ 9627.613702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9627.614204][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9627.614204][ T1076] netdev_get_by_index+0x5e/0x80 [ 9627.614204][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9627.614204][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9627.614204][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9627.614204][ T1076] ipv6_add_addr+0x411/0x2000 [ 9627.614204][ T1076] inet6_addr_add+0x30e/0xa40 [ 9627.614204][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9627.614204][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.614204][ T1076] netlink_rcv_skb+0x130/0x360 [ 9627.614204][ T1076] netlink_unicast+0x449/0x710 [ 9627.614204][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9627.614204][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9627.614204][ T1076] ___sys_sendmsg+0xee/0x170 [ 9627.614204][ T1076] __sys_sendmsg+0xcd/0x170 [ 9627.614204][ T1076] do_syscall_64+0xc6/0x1e0 [ 9627.614204][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.614204][ T1076] [ 9627.616457][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9627.616457][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9627.616457][ T1076] ipv6_find_idev+0x102/0x170 [ 9627.616457][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9627.616457][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.616457][ T1076] netlink_rcv_skb+0x130/0x360 [ 9627.616457][ T1076] netlink_unicast+0x449/0x710 [ 9627.616457][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9627.616457][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9627.616457][ T1076] ___sys_sendmsg+0xee/0x170 [ 9627.616457][ T1076] __sys_sendmsg+0xcd/0x170 [ 9627.616457][ T1076] do_syscall_64+0xc6/0x1e0 [ 9627.616457][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.616457][ T1076] [ 9627.618196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9627.618196][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9627.618196][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9627.618196][ T1076] ipv6_find_idev+0x102/0x170 [ 9627.618196][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9627.618196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9627.618196][ T1076] netlink_rcv_skb+0x130/0x360 [ 9627.618196][ T1076] netlink_unicast+0x449/0x710 [ 9627.618196][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9627.618196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9627.618196][ T1076] ___sys_sendmsg+0xee/0x170 [ 9627.618196][ T1076] __sys_sendmsg+0xcd/0x170 [ 9627.618196][ T1076] do_syscall_64+0xc6/0x1e0 [ 9627.618196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9627.618196][ T1076] [ 9630.845740][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9630.846127][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9630.846127][ T73] dst_init+0x84/0x4a0 [ 9630.846127][ T73] dst_alloc+0x97/0x150 [ 9630.846127][ T73] ip6_dst_alloc+0x23/0x90 [ 9630.846127][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9630.846127][ T73] ip6_pol_route+0x56f/0x840 [ 9630.846127][ T73] fib6_rule_lookup+0x456/0x630 [ 9630.846127][ T73] ip6_route_input+0x59c/0xa50 [ 9630.846127][ T73] ipv6_rcv+0x397/0x810 [ 9630.846127][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9630.846127][ T73] process_backlog+0x101/0x620 [ 9630.846127][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9630.846127][ T73] net_rx_action+0x495/0xbe0 [ 9630.846127][ T73] __do_softirq+0x1b5/0x7f6 [ 9630.846127][ T73] [ 9630.848182][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9630.848182][ T73] netdev_get_by_index+0x5e/0x80 [ 9630.848182][ T73] fib6_nh_init+0x3d8/0x1580 [ 9630.848182][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9630.848182][ T73] ip6_route_add+0x1c/0x140 [ 9630.848182][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9630.848182][ T73] inet6_addr_add+0x4f8/0xa40 [ 9630.848182][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9630.848182][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.848182][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.848182][ T73] netlink_unicast+0x449/0x710 [ 9630.848182][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.848182][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.848182][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.848182][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.848182][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.848182][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.848182][ T73] [ 9630.850261][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9630.850261][ T73] netdev_get_by_index+0x5e/0x80 [ 9630.850261][ T73] fib6_nh_init+0x3d8/0x1580 [ 9630.850261][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9630.850261][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9630.850261][ T73] ipv6_add_addr+0x411/0x2000 [ 9630.850261][ T73] inet6_addr_add+0x30e/0xa40 [ 9630.850261][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9630.850261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.850261][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.850261][ T73] netlink_unicast+0x449/0x710 [ 9630.850261][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.850261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.850261][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.850261][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.850261][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.850261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.850261][ T73] [ 9630.852287][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9630.852287][ T73] netdev_get_by_index+0x5e/0x80 [ 9630.852287][ T73] fib6_nh_init+0x3d8/0x1580 [ 9630.852287][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9630.852287][ T73] ip6_route_add+0x1c/0x140 [ 9630.852287][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9630.852287][ T73] addrconf_add_dev+0xe2/0x170 [ 9630.852287][ T73] inet6_addr_add+0x12f/0xa40 [ 9630.852287][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9630.852287][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.852287][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.852287][ T73] netlink_unicast+0x449/0x710 [ 9630.852287][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.852287][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.852287][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.852287][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.852287][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.852287][ T73] [ 9630.854271][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9630.854271][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9630.854271][ T73] ipv6_find_idev+0x102/0x170 [ 9630.854271][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9630.854271][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.854271][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.854271][ T73] netlink_unicast+0x449/0x710 [ 9630.854271][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.854271][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.854271][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.854271][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.854271][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.854271][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.854271][ T73] [ 9630.855820][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9630.855820][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9630.855820][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9630.855820][ T73] ipv6_find_idev+0x102/0x170 [ 9630.855820][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9630.855820][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.855820][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.855820][ T73] netlink_unicast+0x449/0x710 [ 9630.855820][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.855820][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.855820][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.855820][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.855820][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.855820][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.855820][ T73] [ 9630.857547][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9630.857812][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9630.857812][ T73] dst_init+0x84/0x4a0 [ 9630.857812][ T73] dst_alloc+0x97/0x150 [ 9630.857812][ T73] ip6_dst_alloc+0x23/0x90 [ 9630.857812][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9630.857812][ T73] ip6_pol_route+0x56f/0x840 [ 9630.857812][ T73] fib6_rule_lookup+0x456/0x630 [ 9630.857812][ T73] ip6_route_input+0x59c/0xa50 [ 9630.857812][ T73] ipv6_rcv+0x397/0x810 [ 9630.857812][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9630.857812][ T73] process_backlog+0x101/0x620 [ 9630.857812][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9630.857812][ T73] net_rx_action+0x495/0xbe0 [ 9630.857812][ T73] __do_softirq+0x1b5/0x7f6 [ 9630.857812][ T73] [ 9630.859483][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9630.859483][ T73] netdev_get_by_index+0x5e/0x80 [ 9630.859483][ T73] fib6_nh_init+0x3d8/0x1580 [ 9630.859483][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9630.859483][ T73] ip6_route_add+0x1c/0x140 [ 9630.859483][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9630.859483][ T73] inet6_addr_add+0x4f8/0xa40 [ 9630.859483][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9630.859483][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.859483][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.859483][ T73] netlink_unicast+0x449/0x710 [ 9630.859483][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.859483][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.859483][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.859483][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.859483][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.859483][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.859483][ T73] [ 9630.861495][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9630.861495][ T73] netdev_get_by_index+0x5e/0x80 [ 9630.861495][ T73] fib6_nh_init+0x3d8/0x1580 [ 9630.861495][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9630.861495][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9630.861495][ T73] ipv6_add_addr+0x411/0x2000 [ 9630.861495][ T73] inet6_addr_add+0x30e/0xa40 [ 9630.861495][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9630.861495][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.861495][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.861495][ T73] netlink_unicast+0x449/0x710 [ 9630.861495][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.861495][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.861495][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.861495][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.861495][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.861495][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.861495][ T73] [ 9630.863505][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9630.863505][ T73] netdev_get_by_index+0x5e/0x80 [ 9630.863505][ T73] fib6_nh_init+0x3d8/0x1580 [ 9630.863505][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9630.863505][ T73] ip6_route_add+0x1c/0x140 [ 9630.863505][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9630.863505][ T73] addrconf_add_dev+0xe2/0x170 [ 9630.863505][ T73] inet6_addr_add+0x12f/0xa40 [ 9630.863505][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9630.863505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.863505][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.863505][ T73] netlink_unicast+0x449/0x710 [ 9630.863505][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.863505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.863505][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.863505][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.863505][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.863505][ T73] [ 9630.865486][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9630.865486][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9630.865486][ T73] ipv6_find_idev+0x102/0x170 [ 9630.865486][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9630.865486][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.865486][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.865486][ T73] netlink_unicast+0x449/0x710 [ 9630.865486][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.865486][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.865486][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.865486][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.865486][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.865486][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.865486][ T73] [ 9630.867032][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9630.867032][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9630.867032][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9630.867032][ T73] ipv6_find_idev+0x102/0x170 [ 9630.867032][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9630.867032][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9630.867032][ T73] netlink_rcv_skb+0x130/0x360 [ 9630.867032][ T73] netlink_unicast+0x449/0x710 [ 9630.867032][ T73] netlink_sendmsg+0x723/0xbe0 [ 9630.867032][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9630.867032][ T73] ___sys_sendmsg+0xee/0x170 [ 9630.867032][ T73] __sys_sendmsg+0xcd/0x170 [ 9630.867032][ T73] do_syscall_64+0xc6/0x1e0 [ 9630.867032][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9630.867032][ T73] [ 9637.757730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9637.758215][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9637.758215][ T1076] netdev_get_by_index+0x5e/0x80 [ 9637.758215][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9637.758215][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9637.758215][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9637.758215][ T1076] ipv6_add_addr+0x411/0x2000 [ 9637.758215][ T1076] inet6_addr_add+0x30e/0xa40 [ 9637.758215][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9637.758215][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.758215][ T1076] netlink_rcv_skb+0x130/0x360 [ 9637.758215][ T1076] netlink_unicast+0x449/0x710 [ 9637.758215][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9637.758215][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9637.758215][ T1076] ___sys_sendmsg+0xee/0x170 [ 9637.758215][ T1076] __sys_sendmsg+0xcd/0x170 [ 9637.758215][ T1076] do_syscall_64+0xc6/0x1e0 [ 9637.758215][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.758215][ T1076] [ 9637.760470][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9637.760470][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9637.760470][ T1076] ipv6_find_idev+0x102/0x170 [ 9637.760470][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9637.760470][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.760470][ T1076] netlink_rcv_skb+0x130/0x360 [ 9637.760470][ T1076] netlink_unicast+0x449/0x710 [ 9637.760470][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9637.760470][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9637.760470][ T1076] ___sys_sendmsg+0xee/0x170 [ 9637.760470][ T1076] __sys_sendmsg+0xcd/0x170 [ 9637.760470][ T1076] do_syscall_64+0xc6/0x1e0 [ 9637.760470][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.760470][ T1076] [ 9637.762250][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9637.762250][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9637.762250][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9637.762250][ T1076] ipv6_find_idev+0x102/0x170 [ 9637.762250][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9637.762250][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9637.762250][ T1076] netlink_rcv_skb+0x130/0x360 [ 9637.762250][ T1076] netlink_unicast+0x449/0x710 [ 9637.762250][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9637.762250][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9637.762250][ T1076] ___sys_sendmsg+0xee/0x170 [ 9637.762250][ T1076] __sys_sendmsg+0xcd/0x170 [ 9637.762250][ T1076] do_syscall_64+0xc6/0x1e0 [ 9637.762250][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9637.762250][ T1076] [ 9641.109642][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9641.110016][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9641.110016][ T73] dst_init+0x84/0x4a0 [ 9641.110016][ T73] dst_alloc+0x97/0x150 [ 9641.110016][ T73] ip6_dst_alloc+0x23/0x90 [ 9641.110016][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9641.110016][ T73] ip6_pol_route+0x56f/0x840 [ 9641.110016][ T73] fib6_rule_lookup+0x456/0x630 [ 9641.110016][ T73] ip6_route_input+0x59c/0xa50 [ 9641.110016][ T73] ipv6_rcv+0x397/0x810 [ 9641.110016][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9641.110016][ T73] process_backlog+0x101/0x620 [ 9641.110016][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9641.110016][ T73] net_rx_action+0x495/0xbe0 [ 9641.110016][ T73] __do_softirq+0x1b5/0x7f6 [ 9641.110016][ T73] [ 9641.111689][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9641.111689][ T73] netdev_get_by_index+0x5e/0x80 [ 9641.111689][ T73] fib6_nh_init+0x3d8/0x1580 [ 9641.111689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9641.111689][ T73] ip6_route_add+0x1c/0x140 [ 9641.111689][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9641.111689][ T73] inet6_addr_add+0x4f8/0xa40 [ 9641.111689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9641.111689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.111689][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.111689][ T73] netlink_unicast+0x449/0x710 [ 9641.111689][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.111689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.111689][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.111689][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.111689][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.111689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.111689][ T73] [ 9641.113721][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9641.113721][ T73] netdev_get_by_index+0x5e/0x80 [ 9641.113721][ T73] fib6_nh_init+0x3d8/0x1580 [ 9641.113721][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9641.113721][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9641.113721][ T73] ipv6_add_addr+0x411/0x2000 [ 9641.113721][ T73] inet6_addr_add+0x30e/0xa40 [ 9641.113721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9641.113721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.113721][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.113721][ T73] netlink_unicast+0x449/0x710 [ 9641.113721][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.113721][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.113721][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.113721][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.113721][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.113721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.113721][ T73] [ 9641.115740][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9641.115740][ T73] netdev_get_by_index+0x5e/0x80 [ 9641.115740][ T73] fib6_nh_init+0x3d8/0x1580 [ 9641.115740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9641.115740][ T73] ip6_route_add+0x1c/0x140 [ 9641.115740][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9641.115740][ T73] addrconf_add_dev+0xe2/0x170 [ 9641.115740][ T73] inet6_addr_add+0x12f/0xa40 [ 9641.115740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9641.115740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.115740][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.115740][ T73] netlink_unicast+0x449/0x710 [ 9641.115740][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.115740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.115740][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.115740][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.115740][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.115740][ T73] [ 9641.117712][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9641.117712][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9641.117712][ T73] ipv6_find_idev+0x102/0x170 [ 9641.117712][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9641.117712][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.117712][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.117712][ T73] netlink_unicast+0x449/0x710 [ 9641.117712][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.117712][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.117712][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.117712][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.117712][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.117712][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.117712][ T73] [ 9641.119336][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9641.119336][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9641.119336][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9641.119336][ T73] ipv6_find_idev+0x102/0x170 [ 9641.119336][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9641.119336][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.119336][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.119336][ T73] netlink_unicast+0x449/0x710 [ 9641.119336][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.119336][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.119336][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.119336][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.119336][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.119336][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.119336][ T73] [ 9641.121044][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9641.121286][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9641.121286][ T73] dst_init+0x84/0x4a0 [ 9641.121286][ T73] dst_alloc+0x97/0x150 [ 9641.121286][ T73] ip6_dst_alloc+0x23/0x90 [ 9641.121286][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9641.121286][ T73] ip6_pol_route+0x56f/0x840 [ 9641.121286][ T73] fib6_rule_lookup+0x456/0x630 [ 9641.121286][ T73] ip6_route_input+0x59c/0xa50 [ 9641.121286][ T73] ipv6_rcv+0x397/0x810 [ 9641.121286][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9641.121286][ T73] process_backlog+0x101/0x620 [ 9641.121286][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9641.121286][ T73] net_rx_action+0x495/0xbe0 [ 9641.121286][ T73] __do_softirq+0x1b5/0x7f6 [ 9641.121286][ T73] [ 9641.123049][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9641.123049][ T73] netdev_get_by_index+0x5e/0x80 [ 9641.123049][ T73] fib6_nh_init+0x3d8/0x1580 [ 9641.123049][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9641.123049][ T73] ip6_route_add+0x1c/0x140 [ 9641.123049][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9641.123049][ T73] inet6_addr_add+0x4f8/0xa40 [ 9641.123049][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9641.123049][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.123049][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.123049][ T73] netlink_unicast+0x449/0x710 [ 9641.123049][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.123049][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.123049][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.123049][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.123049][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.123049][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.123049][ T73] [ 9641.125076][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9641.125076][ T73] netdev_get_by_index+0x5e/0x80 [ 9641.125076][ T73] fib6_nh_init+0x3d8/0x1580 [ 9641.125076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9641.125076][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9641.125076][ T73] ipv6_add_addr+0x411/0x2000 [ 9641.125076][ T73] inet6_addr_add+0x30e/0xa40 [ 9641.125076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9641.125076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.125076][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.125076][ T73] netlink_unicast+0x449/0x710 [ 9641.125076][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.125076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.125076][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.125076][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.125076][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.125076][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.125076][ T73] [ 9641.127091][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9641.127091][ T73] netdev_get_by_index+0x5e/0x80 [ 9641.127091][ T73] fib6_nh_init+0x3d8/0x1580 [ 9641.127091][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9641.127091][ T73] ip6_route_add+0x1c/0x140 [ 9641.127091][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9641.127091][ T73] addrconf_add_dev+0xe2/0x170 [ 9641.127091][ T73] inet6_addr_add+0x12f/0xa40 [ 9641.127091][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9641.127091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.127091][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.127091][ T73] netlink_unicast+0x449/0x710 [ 9641.127091][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.127091][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.127091][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.127091][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.127091][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.127091][ T73] [ 9641.129120][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9641.129120][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9641.129120][ T73] ipv6_find_idev+0x102/0x170 [ 9641.129120][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9641.129120][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.129120][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.129120][ T73] netlink_unicast+0x449/0x710 [ 9641.129120][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.129120][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.129120][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.129120][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.129120][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.129120][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.129120][ T73] [ 9641.130669][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9641.130669][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9641.130669][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9641.130669][ T73] ipv6_find_idev+0x102/0x170 [ 9641.130669][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9641.130669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9641.130669][ T73] netlink_rcv_skb+0x130/0x360 [ 9641.130669][ T73] netlink_unicast+0x449/0x710 [ 9641.130669][ T73] netlink_sendmsg+0x723/0xbe0 [ 9641.130669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9641.130669][ T73] ___sys_sendmsg+0xee/0x170 [ 9641.130669][ T73] __sys_sendmsg+0xcd/0x170 [ 9641.130669][ T73] do_syscall_64+0xc6/0x1e0 [ 9641.130669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9641.130669][ T73] [ 9648.005764][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9648.006256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9648.006256][ T1076] netdev_get_by_index+0x5e/0x80 [ 9648.006256][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9648.006256][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9648.006256][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9648.006256][ T1076] ipv6_add_addr+0x411/0x2000 [ 9648.006256][ T1076] inet6_addr_add+0x30e/0xa40 [ 9648.006256][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9648.006256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.006256][ T1076] netlink_rcv_skb+0x130/0x360 [ 9648.006256][ T1076] netlink_unicast+0x449/0x710 [ 9648.006256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9648.006256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9648.006256][ T1076] ___sys_sendmsg+0xee/0x170 [ 9648.006256][ T1076] __sys_sendmsg+0xcd/0x170 [ 9648.006256][ T1076] do_syscall_64+0xc6/0x1e0 [ 9648.006256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.006256][ T1076] [ 9648.008542][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9648.008542][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9648.008542][ T1076] ipv6_find_idev+0x102/0x170 [ 9648.008542][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.008542][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.008542][ T1076] netlink_rcv_skb+0x130/0x360 [ 9648.008542][ T1076] netlink_unicast+0x449/0x710 [ 9648.008542][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9648.008542][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9648.008542][ T1076] ___sys_sendmsg+0xee/0x170 [ 9648.008542][ T1076] __sys_sendmsg+0xcd/0x170 [ 9648.008542][ T1076] do_syscall_64+0xc6/0x1e0 [ 9648.008542][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.008542][ T1076] [ 9648.010280][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9648.010280][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9648.010280][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9648.010280][ T1076] ipv6_find_idev+0x102/0x170 [ 9648.010280][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9648.010280][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9648.010280][ T1076] netlink_rcv_skb+0x130/0x360 [ 9648.010280][ T1076] netlink_unicast+0x449/0x710 [ 9648.010280][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9648.010280][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9648.010280][ T1076] ___sys_sendmsg+0xee/0x170 [ 9648.010280][ T1076] __sys_sendmsg+0xcd/0x170 [ 9648.010280][ T1076] do_syscall_64+0xc6/0x1e0 [ 9648.010280][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9648.010280][ T1076] [ 9651.373698][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9651.374065][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9651.374065][ T73] dst_init+0x84/0x4a0 [ 9651.374065][ T73] dst_alloc+0x97/0x150 [ 9651.374065][ T73] ip6_dst_alloc+0x23/0x90 [ 9651.374065][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9651.374065][ T73] ip6_pol_route+0x56f/0x840 [ 9651.374065][ T73] fib6_rule_lookup+0x456/0x630 [ 9651.374065][ T73] ip6_route_input+0x59c/0xa50 [ 9651.374065][ T73] ipv6_rcv+0x397/0x810 [ 9651.374065][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9651.374065][ T73] process_backlog+0x101/0x620 [ 9651.374065][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9651.374065][ T73] net_rx_action+0x495/0xbe0 [ 9651.374065][ T73] __do_softirq+0x1b5/0x7f6 [ 9651.374065][ T73] [ 9651.375745][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9651.375745][ T73] netdev_get_by_index+0x5e/0x80 [ 9651.375745][ T73] fib6_nh_init+0x3d8/0x1580 [ 9651.375745][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9651.375745][ T73] ip6_route_add+0x1c/0x140 [ 9651.375745][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9651.375745][ T73] inet6_addr_add+0x4f8/0xa40 [ 9651.375745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9651.375745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.375745][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.375745][ T73] netlink_unicast+0x449/0x710 [ 9651.375745][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.375745][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.375745][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.375745][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.375745][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.375745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.375745][ T73] [ 9651.377763][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9651.377763][ T73] netdev_get_by_index+0x5e/0x80 [ 9651.377763][ T73] fib6_nh_init+0x3d8/0x1580 [ 9651.377763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9651.377763][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9651.377763][ T73] ipv6_add_addr+0x411/0x2000 [ 9651.377763][ T73] inet6_addr_add+0x30e/0xa40 [ 9651.377763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9651.377763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.377763][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.377763][ T73] netlink_unicast+0x449/0x710 [ 9651.377763][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.377763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.377763][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.377763][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.377763][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.377763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.377763][ T73] [ 9651.379872][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9651.379872][ T73] netdev_get_by_index+0x5e/0x80 [ 9651.379872][ T73] fib6_nh_init+0x3d8/0x1580 [ 9651.379872][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9651.379872][ T73] ip6_route_add+0x1c/0x140 [ 9651.379872][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9651.379872][ T73] addrconf_add_dev+0xe2/0x170 [ 9651.379872][ T73] inet6_addr_add+0x12f/0xa40 [ 9651.379872][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9651.379872][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.379872][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.379872][ T73] netlink_unicast+0x449/0x710 [ 9651.379872][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.379872][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.379872][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.379872][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.379872][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.379872][ T73] [ 9651.381849][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9651.381849][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9651.381849][ T73] ipv6_find_idev+0x102/0x170 [ 9651.381849][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9651.381849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.381849][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.381849][ T73] netlink_unicast+0x449/0x710 [ 9651.381849][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.381849][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.381849][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.381849][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.381849][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.381849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.381849][ T73] [ 9651.383397][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9651.383397][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9651.383397][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9651.383397][ T73] ipv6_find_idev+0x102/0x170 [ 9651.383397][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9651.383397][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.383397][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.383397][ T73] netlink_unicast+0x449/0x710 [ 9651.383397][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.383397][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.383397][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.383397][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.383397][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.383397][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.383397][ T73] [ 9651.385102][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9651.385343][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9651.385343][ T73] dst_init+0x84/0x4a0 [ 9651.385343][ T73] dst_alloc+0x97/0x150 [ 9651.385343][ T73] ip6_dst_alloc+0x23/0x90 [ 9651.385343][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9651.385343][ T73] ip6_pol_route+0x56f/0x840 [ 9651.385343][ T73] fib6_rule_lookup+0x456/0x630 [ 9651.385343][ T73] ip6_route_input+0x59c/0xa50 [ 9651.385343][ T73] ipv6_rcv+0x397/0x810 [ 9651.385343][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9651.385343][ T73] process_backlog+0x101/0x620 [ 9651.385343][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9651.385343][ T73] net_rx_action+0x495/0xbe0 [ 9651.385343][ T73] __do_softirq+0x1b5/0x7f6 [ 9651.385343][ T73] [ 9651.386995][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9651.386995][ T73] netdev_get_by_index+0x5e/0x80 [ 9651.386995][ T73] fib6_nh_init+0x3d8/0x1580 [ 9651.386995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9651.386995][ T73] ip6_route_add+0x1c/0x140 [ 9651.386995][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9651.386995][ T73] inet6_addr_add+0x4f8/0xa40 [ 9651.386995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9651.386995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.386995][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.386995][ T73] netlink_unicast+0x449/0x710 [ 9651.386995][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.386995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.386995][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.386995][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.386995][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.386995][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.386995][ T73] [ 9651.389016][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9651.389016][ T73] netdev_get_by_index+0x5e/0x80 [ 9651.389016][ T73] fib6_nh_init+0x3d8/0x1580 [ 9651.389016][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9651.389016][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9651.389016][ T73] ipv6_add_addr+0x411/0x2000 [ 9651.389016][ T73] inet6_addr_add+0x30e/0xa40 [ 9651.389016][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9651.389016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.389016][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.389016][ T73] netlink_unicast+0x449/0x710 [ 9651.389016][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.389016][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.389016][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.389016][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.389016][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.389016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.389016][ T73] [ 9651.391031][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9651.391031][ T73] netdev_get_by_index+0x5e/0x80 [ 9651.391031][ T73] fib6_nh_init+0x3d8/0x1580 [ 9651.391031][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9651.391031][ T73] ip6_route_add+0x1c/0x140 [ 9651.391031][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9651.391031][ T73] addrconf_add_dev+0xe2/0x170 [ 9651.391031][ T73] inet6_addr_add+0x12f/0xa40 [ 9651.391031][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9651.391031][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.391031][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.391031][ T73] netlink_unicast+0x449/0x710 [ 9651.391031][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.391031][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.391031][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.391031][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.391031][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.391031][ T73] [ 9651.393011][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9651.393011][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9651.393011][ T73] ipv6_find_idev+0x102/0x170 [ 9651.393011][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9651.393011][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.393011][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.393011][ T73] netlink_unicast+0x449/0x710 [ 9651.393011][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.393011][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.393011][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.393011][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.393011][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.393011][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.393011][ T73] [ 9651.394556][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9651.394556][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9651.394556][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9651.394556][ T73] ipv6_find_idev+0x102/0x170 [ 9651.394556][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9651.394556][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9651.394556][ T73] netlink_rcv_skb+0x130/0x360 [ 9651.394556][ T73] netlink_unicast+0x449/0x710 [ 9651.394556][ T73] netlink_sendmsg+0x723/0xbe0 [ 9651.394556][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9651.394556][ T73] ___sys_sendmsg+0xee/0x170 [ 9651.394556][ T73] __sys_sendmsg+0xcd/0x170 [ 9651.394556][ T73] do_syscall_64+0xc6/0x1e0 [ 9651.394556][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9651.394556][ T73] [ 9658.253701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9658.254120][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9658.254120][ T1076] netdev_get_by_index+0x5e/0x80 [ 9658.254120][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9658.254120][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9658.254120][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9658.254120][ T1076] ipv6_add_addr+0x411/0x2000 [ 9658.254120][ T1076] inet6_addr_add+0x30e/0xa40 [ 9658.254120][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9658.254120][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.254120][ T1076] netlink_rcv_skb+0x130/0x360 [ 9658.254120][ T1076] netlink_unicast+0x449/0x710 [ 9658.254120][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9658.254120][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9658.254120][ T1076] ___sys_sendmsg+0xee/0x170 [ 9658.254120][ T1076] __sys_sendmsg+0xcd/0x170 [ 9658.254120][ T1076] do_syscall_64+0xc6/0x1e0 [ 9658.254120][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.254120][ T1076] [ 9658.256913][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9658.256913][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9658.256913][ T1076] ipv6_find_idev+0x102/0x170 [ 9658.256913][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9658.256913][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.256913][ T1076] netlink_rcv_skb+0x130/0x360 [ 9658.256913][ T1076] netlink_unicast+0x449/0x710 [ 9658.256913][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9658.256913][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9658.256913][ T1076] ___sys_sendmsg+0xee/0x170 [ 9658.256913][ T1076] __sys_sendmsg+0xcd/0x170 [ 9658.256913][ T1076] do_syscall_64+0xc6/0x1e0 [ 9658.256913][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.256913][ T1076] [ 9658.258662][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9658.258662][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9658.258662][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9658.258662][ T1076] ipv6_find_idev+0x102/0x170 [ 9658.258662][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9658.258662][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9658.258662][ T1076] netlink_rcv_skb+0x130/0x360 [ 9658.258662][ T1076] netlink_unicast+0x449/0x710 [ 9658.258662][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9658.258662][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9658.258662][ T1076] ___sys_sendmsg+0xee/0x170 [ 9658.258662][ T1076] __sys_sendmsg+0xcd/0x170 [ 9658.258662][ T1076] do_syscall_64+0xc6/0x1e0 [ 9658.258662][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9658.258662][ T1076] [ 9661.637700][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9661.638127][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9661.638127][ T73] dst_init+0x84/0x4a0 [ 9661.638127][ T73] dst_alloc+0x97/0x150 [ 9661.638127][ T73] ip6_dst_alloc+0x23/0x90 [ 9661.638127][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9661.638127][ T73] ip6_pol_route+0x56f/0x840 [ 9661.638127][ T73] fib6_rule_lookup+0x456/0x630 [ 9661.638127][ T73] ip6_route_input+0x59c/0xa50 [ 9661.638127][ T73] ipv6_rcv+0x397/0x810 [ 9661.638127][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9661.638127][ T73] process_backlog+0x101/0x620 [ 9661.638127][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9661.638127][ T73] net_rx_action+0x495/0xbe0 [ 9661.638127][ T73] __do_softirq+0x1b5/0x7f6 [ 9661.638127][ T73] [ 9661.639886][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9661.639886][ T73] netdev_get_by_index+0x5e/0x80 [ 9661.639886][ T73] fib6_nh_init+0x3d8/0x1580 [ 9661.639886][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9661.639886][ T73] ip6_route_add+0x1c/0x140 [ 9661.639886][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9661.639886][ T73] inet6_addr_add+0x4f8/0xa40 [ 9661.639886][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9661.639886][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.639886][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.639886][ T73] netlink_unicast+0x449/0x710 [ 9661.639886][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.639886][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.639886][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.639886][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.639886][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.639886][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.639886][ T73] [ 9661.641906][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9661.641906][ T73] netdev_get_by_index+0x5e/0x80 [ 9661.641906][ T73] fib6_nh_init+0x3d8/0x1580 [ 9661.641906][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9661.641906][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9661.641906][ T73] ipv6_add_addr+0x411/0x2000 [ 9661.641906][ T73] inet6_addr_add+0x30e/0xa40 [ 9661.641906][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9661.641906][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.641906][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.641906][ T73] netlink_unicast+0x449/0x710 [ 9661.641906][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.641906][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.641906][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.641906][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.641906][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.641906][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.641906][ T73] [ 9661.644305][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9661.644305][ T73] netdev_get_by_index+0x5e/0x80 [ 9661.644305][ T73] fib6_nh_init+0x3d8/0x1580 [ 9661.644305][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9661.644305][ T73] ip6_route_add+0x1c/0x140 [ 9661.644305][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9661.644305][ T73] addrconf_add_dev+0xe2/0x170 [ 9661.644305][ T73] inet6_addr_add+0x12f/0xa40 [ 9661.644305][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9661.644305][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.644305][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.644305][ T73] netlink_unicast+0x449/0x710 [ 9661.644305][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.644305][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.644305][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.644305][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.644305][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.644305][ T73] [ 9661.646278][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9661.646278][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9661.646278][ T73] ipv6_find_idev+0x102/0x170 [ 9661.646278][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9661.646278][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.646278][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.646278][ T73] netlink_unicast+0x449/0x710 [ 9661.646278][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.646278][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.646278][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.646278][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.646278][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.646278][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.646278][ T73] [ 9661.647828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9661.647828][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9661.647828][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9661.647828][ T73] ipv6_find_idev+0x102/0x170 [ 9661.647828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9661.647828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.647828][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.647828][ T73] netlink_unicast+0x449/0x710 [ 9661.647828][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.647828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.647828][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.647828][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.647828][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.647828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.647828][ T73] [ 9661.649601][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9661.649846][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9661.649846][ T73] dst_init+0x84/0x4a0 [ 9661.649846][ T73] dst_alloc+0x97/0x150 [ 9661.649846][ T73] ip6_dst_alloc+0x23/0x90 [ 9661.649846][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9661.649846][ T73] ip6_pol_route+0x56f/0x840 [ 9661.649846][ T73] fib6_rule_lookup+0x456/0x630 [ 9661.649846][ T73] ip6_route_input+0x59c/0xa50 [ 9661.649846][ T73] ipv6_rcv+0x397/0x810 [ 9661.649846][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9661.649846][ T73] process_backlog+0x101/0x620 [ 9661.649846][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9661.649846][ T73] net_rx_action+0x495/0xbe0 [ 9661.649846][ T73] __do_softirq+0x1b5/0x7f6 [ 9661.649846][ T73] [ 9661.652015][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9661.652015][ T73] netdev_get_by_index+0x5e/0x80 [ 9661.652015][ T73] fib6_nh_init+0x3d8/0x1580 [ 9661.652015][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9661.652015][ T73] ip6_route_add+0x1c/0x140 [ 9661.652015][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9661.652015][ T73] inet6_addr_add+0x4f8/0xa40 [ 9661.652015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9661.652015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.652015][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.652015][ T73] netlink_unicast+0x449/0x710 [ 9661.652015][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.652015][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.652015][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.652015][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.652015][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.652015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.652015][ T73] [ 9661.654025][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9661.654025][ T73] netdev_get_by_index+0x5e/0x80 [ 9661.654025][ T73] fib6_nh_init+0x3d8/0x1580 [ 9661.654025][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9661.654025][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9661.654025][ T73] ipv6_add_addr+0x411/0x2000 [ 9661.654025][ T73] inet6_addr_add+0x30e/0xa40 [ 9661.654025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9661.654025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.654025][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.654025][ T73] netlink_unicast+0x449/0x710 [ 9661.654025][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.654025][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.654025][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.654025][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.654025][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.654025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.654025][ T73] [ 9661.656041][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9661.656041][ T73] netdev_get_by_index+0x5e/0x80 [ 9661.656041][ T73] fib6_nh_init+0x3d8/0x1580 [ 9661.656041][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9661.656041][ T73] ip6_route_add+0x1c/0x140 [ 9661.656041][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9661.656041][ T73] addrconf_add_dev+0xe2/0x170 [ 9661.656041][ T73] inet6_addr_add+0x12f/0xa40 [ 9661.656041][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9661.656041][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.656041][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.656041][ T73] netlink_unicast+0x449/0x710 [ 9661.656041][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.656041][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.656041][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.656041][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.656041][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.656041][ T73] [ 9661.658024][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9661.658024][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9661.658024][ T73] ipv6_find_idev+0x102/0x170 [ 9661.658024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9661.658024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.658024][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.658024][ T73] netlink_unicast+0x449/0x710 [ 9661.658024][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.658024][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.658024][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.658024][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.658024][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.658024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.658024][ T73] [ 9661.659606][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9661.659606][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9661.659606][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9661.659606][ T73] ipv6_find_idev+0x102/0x170 [ 9661.659606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9661.659606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9661.659606][ T73] netlink_rcv_skb+0x130/0x360 [ 9661.659606][ T73] netlink_unicast+0x449/0x710 [ 9661.659606][ T73] netlink_sendmsg+0x723/0xbe0 [ 9661.659606][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9661.659606][ T73] ___sys_sendmsg+0xee/0x170 [ 9661.659606][ T73] __sys_sendmsg+0xcd/0x170 [ 9661.659606][ T73] do_syscall_64+0xc6/0x1e0 [ 9661.659606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9661.659606][ T73] [ 9668.501759][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9668.502184][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9668.502184][ T1076] netdev_get_by_index+0x5e/0x80 [ 9668.502184][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9668.502184][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9668.502184][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9668.502184][ T1076] ipv6_add_addr+0x411/0x2000 [ 9668.502184][ T1076] inet6_addr_add+0x30e/0xa40 [ 9668.502184][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9668.502184][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.502184][ T1076] netlink_rcv_skb+0x130/0x360 [ 9668.502184][ T1076] netlink_unicast+0x449/0x710 [ 9668.502184][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9668.502184][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9668.502184][ T1076] ___sys_sendmsg+0xee/0x170 [ 9668.502184][ T1076] __sys_sendmsg+0xcd/0x170 [ 9668.502184][ T1076] do_syscall_64+0xc6/0x1e0 [ 9668.502184][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.502184][ T1076] [ 9668.504455][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9668.504455][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9668.504455][ T1076] ipv6_find_idev+0x102/0x170 [ 9668.504455][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9668.504455][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.504455][ T1076] netlink_rcv_skb+0x130/0x360 [ 9668.504455][ T1076] netlink_unicast+0x449/0x710 [ 9668.504455][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9668.504455][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9668.504455][ T1076] ___sys_sendmsg+0xee/0x170 [ 9668.504455][ T1076] __sys_sendmsg+0xcd/0x170 [ 9668.504455][ T1076] do_syscall_64+0xc6/0x1e0 [ 9668.504455][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.504455][ T1076] [ 9668.506185][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9668.506185][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9668.506185][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9668.506185][ T1076] ipv6_find_idev+0x102/0x170 [ 9668.506185][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9668.506185][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9668.506185][ T1076] netlink_rcv_skb+0x130/0x360 [ 9668.506185][ T1076] netlink_unicast+0x449/0x710 [ 9668.506185][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9668.506185][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9668.506185][ T1076] ___sys_sendmsg+0xee/0x170 [ 9668.506185][ T1076] __sys_sendmsg+0xcd/0x170 [ 9668.506185][ T1076] do_syscall_64+0xc6/0x1e0 [ 9668.506185][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9668.506185][ T1076] [ 9671.901780][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9671.902216][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9671.902216][ T73] dst_init+0x84/0x4a0 [ 9671.902216][ T73] dst_alloc+0x97/0x150 [ 9671.902216][ T73] ip6_dst_alloc+0x23/0x90 [ 9671.902216][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9671.902216][ T73] ip6_pol_route+0x56f/0x840 [ 9671.902216][ T73] fib6_rule_lookup+0x456/0x630 [ 9671.902216][ T73] ip6_route_input+0x59c/0xa50 [ 9671.902216][ T73] ipv6_rcv+0x397/0x810 [ 9671.902216][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9671.902216][ T73] process_backlog+0x101/0x620 [ 9671.902216][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9671.902216][ T73] net_rx_action+0x495/0xbe0 [ 9671.902216][ T73] __do_softirq+0x1b5/0x7f6 [ 9671.902216][ T73] [ 9671.903890][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9671.903890][ T73] netdev_get_by_index+0x5e/0x80 [ 9671.903890][ T73] fib6_nh_init+0x3d8/0x1580 [ 9671.903890][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9671.903890][ T73] ip6_route_add+0x1c/0x140 [ 9671.903890][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9671.903890][ T73] inet6_addr_add+0x4f8/0xa40 [ 9671.903890][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9671.903890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.903890][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.903890][ T73] netlink_unicast+0x449/0x710 [ 9671.903890][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.903890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.903890][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.903890][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.903890][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.903890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.903890][ T73] [ 9671.905936][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9671.905936][ T73] netdev_get_by_index+0x5e/0x80 [ 9671.905936][ T73] fib6_nh_init+0x3d8/0x1580 [ 9671.905936][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9671.905936][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9671.905936][ T73] ipv6_add_addr+0x411/0x2000 [ 9671.905936][ T73] inet6_addr_add+0x30e/0xa40 [ 9671.905936][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9671.905936][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.905936][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.905936][ T73] netlink_unicast+0x449/0x710 [ 9671.905936][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.905936][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.905936][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.905936][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.905936][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.905936][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.905936][ T73] [ 9671.907946][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9671.907946][ T73] netdev_get_by_index+0x5e/0x80 [ 9671.907946][ T73] fib6_nh_init+0x3d8/0x1580 [ 9671.907946][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9671.907946][ T73] ip6_route_add+0x1c/0x140 [ 9671.907946][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9671.907946][ T73] addrconf_add_dev+0xe2/0x170 [ 9671.907946][ T73] inet6_addr_add+0x12f/0xa40 [ 9671.907946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9671.907946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.907946][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.907946][ T73] netlink_unicast+0x449/0x710 [ 9671.907946][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.907946][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.907946][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.907946][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.907946][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.907946][ T73] [ 9671.909938][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9671.909938][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9671.909938][ T73] ipv6_find_idev+0x102/0x170 [ 9671.909938][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9671.909938][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.909938][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.909938][ T73] netlink_unicast+0x449/0x710 [ 9671.909938][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.909938][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.909938][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.909938][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.909938][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.909938][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.909938][ T73] [ 9671.911856][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9671.911856][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9671.911856][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9671.911856][ T73] ipv6_find_idev+0x102/0x170 [ 9671.911856][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9671.911856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.911856][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.911856][ T73] netlink_unicast+0x449/0x710 [ 9671.911856][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.911856][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.911856][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.911856][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.911856][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.911856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.911856][ T73] [ 9671.913570][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9671.913836][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9671.913836][ T73] dst_init+0x84/0x4a0 [ 9671.913836][ T73] dst_alloc+0x97/0x150 [ 9671.913836][ T73] ip6_dst_alloc+0x23/0x90 [ 9671.913836][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9671.913836][ T73] ip6_pol_route+0x56f/0x840 [ 9671.913836][ T73] fib6_rule_lookup+0x456/0x630 [ 9671.913836][ T73] ip6_route_input+0x59c/0xa50 [ 9671.913836][ T73] ipv6_rcv+0x397/0x810 [ 9671.913836][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9671.913836][ T73] process_backlog+0x101/0x620 [ 9671.913836][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9671.913836][ T73] net_rx_action+0x495/0xbe0 [ 9671.913836][ T73] __do_softirq+0x1b5/0x7f6 [ 9671.913836][ T73] [ 9671.915484][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9671.915484][ T73] netdev_get_by_index+0x5e/0x80 [ 9671.915484][ T73] fib6_nh_init+0x3d8/0x1580 [ 9671.915484][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9671.915484][ T73] ip6_route_add+0x1c/0x140 [ 9671.915484][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9671.915484][ T73] inet6_addr_add+0x4f8/0xa40 [ 9671.915484][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9671.915484][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.915484][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.915484][ T73] netlink_unicast+0x449/0x710 [ 9671.915484][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.915484][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.915484][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.915484][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.915484][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.915484][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.915484][ T73] [ 9671.917485][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9671.917485][ T73] netdev_get_by_index+0x5e/0x80 [ 9671.917485][ T73] fib6_nh_init+0x3d8/0x1580 [ 9671.917485][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9671.917485][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9671.917485][ T73] ipv6_add_addr+0x411/0x2000 [ 9671.917485][ T73] inet6_addr_add+0x30e/0xa40 [ 9671.917485][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9671.917485][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.917485][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.917485][ T73] netlink_unicast+0x449/0x710 [ 9671.917485][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.917485][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.917485][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.917485][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.917485][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.917485][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.917485][ T73] [ 9671.919531][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9671.919531][ T73] netdev_get_by_index+0x5e/0x80 [ 9671.919531][ T73] fib6_nh_init+0x3d8/0x1580 [ 9671.919531][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9671.919531][ T73] ip6_route_add+0x1c/0x140 [ 9671.919531][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9671.919531][ T73] addrconf_add_dev+0xe2/0x170 [ 9671.919531][ T73] inet6_addr_add+0x12f/0xa40 [ 9671.919531][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9671.919531][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.919531][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.919531][ T73] netlink_unicast+0x449/0x710 [ 9671.919531][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.919531][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.919531][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.919531][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.919531][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.919531][ T73] [ 9671.921511][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9671.921511][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9671.921511][ T73] ipv6_find_idev+0x102/0x170 [ 9671.921511][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9671.921511][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.921511][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.921511][ T73] netlink_unicast+0x449/0x710 [ 9671.921511][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.921511][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.921511][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.921511][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.921511][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.921511][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.921511][ T73] [ 9671.923057][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9671.923057][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9671.923057][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9671.923057][ T73] ipv6_find_idev+0x102/0x170 [ 9671.923057][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9671.923057][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9671.923057][ T73] netlink_rcv_skb+0x130/0x360 [ 9671.923057][ T73] netlink_unicast+0x449/0x710 [ 9671.923057][ T73] netlink_sendmsg+0x723/0xbe0 [ 9671.923057][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9671.923057][ T73] ___sys_sendmsg+0xee/0x170 [ 9671.923057][ T73] __sys_sendmsg+0xcd/0x170 [ 9671.923057][ T73] do_syscall_64+0xc6/0x1e0 [ 9671.923057][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9671.923057][ T73] [ 9678.749652][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9678.750128][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9678.750128][ T1076] netdev_get_by_index+0x5e/0x80 [ 9678.750128][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9678.750128][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9678.750128][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9678.750128][ T1076] ipv6_add_addr+0x411/0x2000 [ 9678.750128][ T1076] inet6_addr_add+0x30e/0xa40 [ 9678.750128][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9678.750128][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.750128][ T1076] netlink_rcv_skb+0x130/0x360 [ 9678.750128][ T1076] netlink_unicast+0x449/0x710 [ 9678.750128][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9678.750128][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9678.750128][ T1076] ___sys_sendmsg+0xee/0x170 [ 9678.750128][ T1076] __sys_sendmsg+0xcd/0x170 [ 9678.750128][ T1076] do_syscall_64+0xc6/0x1e0 [ 9678.750128][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.750128][ T1076] [ 9678.752404][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9678.752404][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9678.752404][ T1076] ipv6_find_idev+0x102/0x170 [ 9678.752404][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9678.752404][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.752404][ T1076] netlink_rcv_skb+0x130/0x360 [ 9678.752404][ T1076] netlink_unicast+0x449/0x710 [ 9678.752404][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9678.752404][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9678.752404][ T1076] ___sys_sendmsg+0xee/0x170 [ 9678.752404][ T1076] __sys_sendmsg+0xcd/0x170 [ 9678.752404][ T1076] do_syscall_64+0xc6/0x1e0 [ 9678.752404][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.752404][ T1076] [ 9678.754135][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9678.754135][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9678.754135][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9678.754135][ T1076] ipv6_find_idev+0x102/0x170 [ 9678.754135][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9678.754135][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9678.754135][ T1076] netlink_rcv_skb+0x130/0x360 [ 9678.754135][ T1076] netlink_unicast+0x449/0x710 [ 9678.754135][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9678.754135][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9678.754135][ T1076] ___sys_sendmsg+0xee/0x170 [ 9678.754135][ T1076] __sys_sendmsg+0xcd/0x170 [ 9678.754135][ T1076] do_syscall_64+0xc6/0x1e0 [ 9678.754135][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9678.754135][ T1076] [ 9682.165699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9682.166114][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9682.166114][ T73] dst_init+0x84/0x4a0 [ 9682.166114][ T73] dst_alloc+0x97/0x150 [ 9682.166114][ T73] ip6_dst_alloc+0x23/0x90 [ 9682.166114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9682.166114][ T73] ip6_pol_route+0x56f/0x840 [ 9682.166114][ T73] fib6_rule_lookup+0x456/0x630 [ 9682.166114][ T73] ip6_route_input+0x59c/0xa50 [ 9682.166114][ T73] ipv6_rcv+0x397/0x810 [ 9682.166114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9682.166114][ T73] process_backlog+0x101/0x620 [ 9682.166114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9682.166114][ T73] net_rx_action+0x495/0xbe0 [ 9682.166114][ T73] __do_softirq+0x1b5/0x7f6 [ 9682.166114][ T73] [ 9682.167790][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9682.167790][ T73] netdev_get_by_index+0x5e/0x80 [ 9682.167790][ T73] fib6_nh_init+0x3d8/0x1580 [ 9682.167790][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9682.167790][ T73] ip6_route_add+0x1c/0x140 [ 9682.167790][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9682.167790][ T73] inet6_addr_add+0x4f8/0xa40 [ 9682.167790][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.167790][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.167790][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.167790][ T73] netlink_unicast+0x449/0x710 [ 9682.167790][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.167790][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.167790][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.167790][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.167790][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.167790][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.167790][ T73] [ 9682.169878][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9682.169878][ T73] netdev_get_by_index+0x5e/0x80 [ 9682.169878][ T73] fib6_nh_init+0x3d8/0x1580 [ 9682.169878][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9682.169878][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9682.169878][ T73] ipv6_add_addr+0x411/0x2000 [ 9682.169878][ T73] inet6_addr_add+0x30e/0xa40 [ 9682.169878][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.169878][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.169878][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.169878][ T73] netlink_unicast+0x449/0x710 [ 9682.169878][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.169878][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.169878][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.169878][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.169878][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.169878][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.169878][ T73] [ 9682.171897][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9682.171897][ T73] netdev_get_by_index+0x5e/0x80 [ 9682.171897][ T73] fib6_nh_init+0x3d8/0x1580 [ 9682.171897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9682.171897][ T73] ip6_route_add+0x1c/0x140 [ 9682.171897][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9682.171897][ T73] addrconf_add_dev+0xe2/0x170 [ 9682.171897][ T73] inet6_addr_add+0x12f/0xa40 [ 9682.171897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.171897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.171897][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.171897][ T73] netlink_unicast+0x449/0x710 [ 9682.171897][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.171897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.171897][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.171897][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.171897][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.171897][ T73] [ 9682.173877][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9682.173877][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9682.173877][ T73] ipv6_find_idev+0x102/0x170 [ 9682.173877][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9682.173877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.173877][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.173877][ T73] netlink_unicast+0x449/0x710 [ 9682.173877][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.173877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.173877][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.173877][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.173877][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.173877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.173877][ T73] [ 9682.175439][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9682.175439][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9682.175439][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9682.175439][ T73] ipv6_find_idev+0x102/0x170 [ 9682.175439][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9682.175439][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.175439][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.175439][ T73] netlink_unicast+0x449/0x710 [ 9682.175439][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.175439][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.175439][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.175439][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.175439][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.175439][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.175439][ T73] [ 9682.177150][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9682.177393][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9682.177393][ T73] dst_init+0x84/0x4a0 [ 9682.177393][ T73] dst_alloc+0x97/0x150 [ 9682.177393][ T73] ip6_dst_alloc+0x23/0x90 [ 9682.177393][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9682.177393][ T73] ip6_pol_route+0x56f/0x840 [ 9682.177393][ T73] fib6_rule_lookup+0x456/0x630 [ 9682.177393][ T73] ip6_route_input+0x59c/0xa50 [ 9682.177393][ T73] ipv6_rcv+0x397/0x810 [ 9682.177393][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9682.177393][ T73] process_backlog+0x101/0x620 [ 9682.177393][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9682.177393][ T73] net_rx_action+0x495/0xbe0 [ 9682.177393][ T73] __do_softirq+0x1b5/0x7f6 [ 9682.177393][ T73] [ 9682.179077][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9682.179077][ T73] netdev_get_by_index+0x5e/0x80 [ 9682.179077][ T73] fib6_nh_init+0x3d8/0x1580 [ 9682.179077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9682.179077][ T73] ip6_route_add+0x1c/0x140 [ 9682.179077][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9682.179077][ T73] inet6_addr_add+0x4f8/0xa40 [ 9682.179077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.179077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.179077][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.179077][ T73] netlink_unicast+0x449/0x710 [ 9682.179077][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.179077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.179077][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.179077][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.179077][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.179077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.179077][ T73] [ 9682.181099][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9682.181099][ T73] netdev_get_by_index+0x5e/0x80 [ 9682.181099][ T73] fib6_nh_init+0x3d8/0x1580 [ 9682.181099][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9682.181099][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9682.181099][ T73] ipv6_add_addr+0x411/0x2000 [ 9682.181099][ T73] inet6_addr_add+0x30e/0xa40 [ 9682.181099][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.181099][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.181099][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.181099][ T73] netlink_unicast+0x449/0x710 [ 9682.181099][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.181099][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.181099][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.181099][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.181099][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.181099][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.181099][ T73] [ 9682.183114][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9682.183114][ T73] netdev_get_by_index+0x5e/0x80 [ 9682.183114][ T73] fib6_nh_init+0x3d8/0x1580 [ 9682.183114][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9682.183114][ T73] ip6_route_add+0x1c/0x140 [ 9682.183114][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9682.183114][ T73] addrconf_add_dev+0xe2/0x170 [ 9682.183114][ T73] inet6_addr_add+0x12f/0xa40 [ 9682.183114][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9682.183114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.183114][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.183114][ T73] netlink_unicast+0x449/0x710 [ 9682.183114][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.183114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.183114][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.183114][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.183114][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.183114][ T73] [ 9682.185092][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9682.185092][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9682.185092][ T73] ipv6_find_idev+0x102/0x170 [ 9682.185092][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9682.185092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.185092][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.185092][ T73] netlink_unicast+0x449/0x710 [ 9682.185092][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.185092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.185092][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.185092][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.185092][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.185092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.185092][ T73] [ 9682.186744][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9682.186744][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9682.186744][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9682.186744][ T73] ipv6_find_idev+0x102/0x170 [ 9682.186744][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9682.186744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9682.186744][ T73] netlink_rcv_skb+0x130/0x360 [ 9682.186744][ T73] netlink_unicast+0x449/0x710 [ 9682.186744][ T73] netlink_sendmsg+0x723/0xbe0 [ 9682.186744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9682.186744][ T73] ___sys_sendmsg+0xee/0x170 [ 9682.186744][ T73] __sys_sendmsg+0xcd/0x170 [ 9682.186744][ T73] do_syscall_64+0xc6/0x1e0 [ 9682.186744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9682.186744][ T73] [ 9688.997713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9688.998134][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9688.998134][ T1076] netdev_get_by_index+0x5e/0x80 [ 9688.998134][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9688.998134][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9688.998134][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9688.998134][ T1076] ipv6_add_addr+0x411/0x2000 [ 9688.998134][ T1076] inet6_addr_add+0x30e/0xa40 [ 9688.998134][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9688.998134][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9688.998134][ T1076] netlink_rcv_skb+0x130/0x360 [ 9688.998134][ T1076] netlink_unicast+0x449/0x710 [ 9688.998134][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9688.998134][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9688.998134][ T1076] ___sys_sendmsg+0xee/0x170 [ 9688.998134][ T1076] __sys_sendmsg+0xcd/0x170 [ 9688.998134][ T1076] do_syscall_64+0xc6/0x1e0 [ 9688.998134][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9688.998134][ T1076] [ 9689.000398][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9689.000398][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9689.000398][ T1076] ipv6_find_idev+0x102/0x170 [ 9689.000398][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.000398][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.000398][ T1076] netlink_rcv_skb+0x130/0x360 [ 9689.000398][ T1076] netlink_unicast+0x449/0x710 [ 9689.000398][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9689.000398][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9689.000398][ T1076] ___sys_sendmsg+0xee/0x170 [ 9689.000398][ T1076] __sys_sendmsg+0xcd/0x170 [ 9689.000398][ T1076] do_syscall_64+0xc6/0x1e0 [ 9689.000398][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.000398][ T1076] [ 9689.002126][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9689.002126][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9689.002126][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9689.002126][ T1076] ipv6_find_idev+0x102/0x170 [ 9689.002126][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9689.002126][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9689.002126][ T1076] netlink_rcv_skb+0x130/0x360 [ 9689.002126][ T1076] netlink_unicast+0x449/0x710 [ 9689.002126][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9689.002126][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9689.002126][ T1076] ___sys_sendmsg+0xee/0x170 [ 9689.002126][ T1076] __sys_sendmsg+0xcd/0x170 [ 9689.002126][ T1076] do_syscall_64+0xc6/0x1e0 [ 9689.002126][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9689.002126][ T1076] [ 9692.429639][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9692.430061][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9692.430061][ T73] dst_init+0x84/0x4a0 [ 9692.430061][ T73] dst_alloc+0x97/0x150 [ 9692.430061][ T73] ip6_dst_alloc+0x23/0x90 [ 9692.430061][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9692.430061][ T73] ip6_pol_route+0x56f/0x840 [ 9692.430061][ T73] fib6_rule_lookup+0x456/0x630 [ 9692.430061][ T73] ip6_route_input+0x59c/0xa50 [ 9692.430061][ T73] ipv6_rcv+0x397/0x810 [ 9692.430061][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9692.430061][ T73] process_backlog+0x101/0x620 [ 9692.430061][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9692.430061][ T73] net_rx_action+0x495/0xbe0 [ 9692.430061][ T73] __do_softirq+0x1b5/0x7f6 [ 9692.430061][ T73] [ 9692.431729][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9692.431729][ T73] netdev_get_by_index+0x5e/0x80 [ 9692.431729][ T73] fib6_nh_init+0x3d8/0x1580 [ 9692.431729][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9692.431729][ T73] ip6_route_add+0x1c/0x140 [ 9692.431729][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9692.431729][ T73] inet6_addr_add+0x4f8/0xa40 [ 9692.431729][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9692.431729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.431729][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.431729][ T73] netlink_unicast+0x449/0x710 [ 9692.431729][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.431729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.431729][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.431729][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.431729][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.431729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.431729][ T73] [ 9692.433755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9692.433755][ T73] netdev_get_by_index+0x5e/0x80 [ 9692.433755][ T73] fib6_nh_init+0x3d8/0x1580 [ 9692.433755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9692.433755][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9692.433755][ T73] ipv6_add_addr+0x411/0x2000 [ 9692.433755][ T73] inet6_addr_add+0x30e/0xa40 [ 9692.433755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9692.433755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.433755][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.433755][ T73] netlink_unicast+0x449/0x710 [ 9692.433755][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.433755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.433755][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.433755][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.433755][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.433755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.433755][ T73] [ 9692.435765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9692.435765][ T73] netdev_get_by_index+0x5e/0x80 [ 9692.435765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9692.435765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9692.435765][ T73] ip6_route_add+0x1c/0x140 [ 9692.435765][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9692.435765][ T73] addrconf_add_dev+0xe2/0x170 [ 9692.435765][ T73] inet6_addr_add+0x12f/0xa40 [ 9692.435765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9692.435765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.435765][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.435765][ T73] netlink_unicast+0x449/0x710 [ 9692.435765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.435765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.435765][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.435765][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.435765][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.435765][ T73] [ 9692.437737][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9692.437737][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9692.437737][ T73] ipv6_find_idev+0x102/0x170 [ 9692.437737][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9692.437737][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.437737][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.437737][ T73] netlink_unicast+0x449/0x710 [ 9692.437737][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.437737][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.437737][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.437737][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.437737][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.437737][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.437737][ T73] [ 9692.439308][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9692.439308][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9692.439308][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9692.439308][ T73] ipv6_find_idev+0x102/0x170 [ 9692.439308][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9692.439308][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.439308][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.439308][ T73] netlink_unicast+0x449/0x710 [ 9692.439308][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.439308][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.439308][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.439308][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.439308][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.439308][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.439308][ T73] [ 9692.441030][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9692.441274][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9692.441274][ T73] dst_init+0x84/0x4a0 [ 9692.441274][ T73] dst_alloc+0x97/0x150 [ 9692.441274][ T73] ip6_dst_alloc+0x23/0x90 [ 9692.441274][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9692.441274][ T73] ip6_pol_route+0x56f/0x840 [ 9692.441274][ T73] fib6_rule_lookup+0x456/0x630 [ 9692.441274][ T73] ip6_route_input+0x59c/0xa50 [ 9692.441274][ T73] ipv6_rcv+0x397/0x810 [ 9692.441274][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9692.441274][ T73] process_backlog+0x101/0x620 [ 9692.441274][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9692.441274][ T73] net_rx_action+0x495/0xbe0 [ 9692.441274][ T73] __do_softirq+0x1b5/0x7f6 [ 9692.441274][ T73] [ 9692.442950][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9692.442950][ T73] netdev_get_by_index+0x5e/0x80 [ 9692.442950][ T73] fib6_nh_init+0x3d8/0x1580 [ 9692.442950][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9692.442950][ T73] ip6_route_add+0x1c/0x140 [ 9692.442950][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9692.442950][ T73] inet6_addr_add+0x4f8/0xa40 [ 9692.442950][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9692.442950][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.442950][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.442950][ T73] netlink_unicast+0x449/0x710 [ 9692.442950][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.442950][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.442950][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.442950][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.442950][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.442950][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.442950][ T73] [ 9692.444967][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9692.444967][ T73] netdev_get_by_index+0x5e/0x80 [ 9692.444967][ T73] fib6_nh_init+0x3d8/0x1580 [ 9692.444967][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9692.444967][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9692.444967][ T73] ipv6_add_addr+0x411/0x2000 [ 9692.444967][ T73] inet6_addr_add+0x30e/0xa40 [ 9692.444967][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9692.444967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.444967][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.444967][ T73] netlink_unicast+0x449/0x710 [ 9692.444967][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.444967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.444967][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.444967][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.444967][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.444967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.444967][ T73] [ 9692.446979][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9692.446979][ T73] netdev_get_by_index+0x5e/0x80 [ 9692.446979][ T73] fib6_nh_init+0x3d8/0x1580 [ 9692.446979][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9692.446979][ T73] ip6_route_add+0x1c/0x140 [ 9692.446979][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9692.446979][ T73] addrconf_add_dev+0xe2/0x170 [ 9692.446979][ T73] inet6_addr_add+0x12f/0xa40 [ 9692.446979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9692.446979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.446979][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.446979][ T73] netlink_unicast+0x449/0x710 [ 9692.446979][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.446979][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.446979][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.446979][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.446979][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.446979][ T73] [ 9692.448967][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9692.448967][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9692.448967][ T73] ipv6_find_idev+0x102/0x170 [ 9692.448967][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9692.448967][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.448967][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.448967][ T73] netlink_unicast+0x449/0x710 [ 9692.448967][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.448967][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.448967][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.448967][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.448967][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.448967][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.448967][ T73] [ 9692.450512][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9692.450512][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9692.450512][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9692.450512][ T73] ipv6_find_idev+0x102/0x170 [ 9692.450512][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9692.450512][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9692.450512][ T73] netlink_rcv_skb+0x130/0x360 [ 9692.450512][ T73] netlink_unicast+0x449/0x710 [ 9692.450512][ T73] netlink_sendmsg+0x723/0xbe0 [ 9692.450512][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9692.450512][ T73] ___sys_sendmsg+0xee/0x170 [ 9692.450512][ T73] __sys_sendmsg+0xcd/0x170 [ 9692.450512][ T73] do_syscall_64+0xc6/0x1e0 [ 9692.450512][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9692.450512][ T73] [ 9699.245709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9699.246207][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9699.246207][ T1076] netdev_get_by_index+0x5e/0x80 [ 9699.246207][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9699.246207][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9699.246207][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9699.246207][ T1076] ipv6_add_addr+0x411/0x2000 [ 9699.246207][ T1076] inet6_addr_add+0x30e/0xa40 [ 9699.246207][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9699.246207][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.246207][ T1076] netlink_rcv_skb+0x130/0x360 [ 9699.246207][ T1076] netlink_unicast+0x449/0x710 [ 9699.246207][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9699.246207][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9699.246207][ T1076] ___sys_sendmsg+0xee/0x170 [ 9699.246207][ T1076] __sys_sendmsg+0xcd/0x170 [ 9699.246207][ T1076] do_syscall_64+0xc6/0x1e0 [ 9699.246207][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.246207][ T1076] [ 9699.248487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9699.248487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9699.248487][ T1076] ipv6_find_idev+0x102/0x170 [ 9699.248487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9699.248487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.248487][ T1076] netlink_rcv_skb+0x130/0x360 [ 9699.248487][ T1076] netlink_unicast+0x449/0x710 [ 9699.248487][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9699.248487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9699.248487][ T1076] ___sys_sendmsg+0xee/0x170 [ 9699.248487][ T1076] __sys_sendmsg+0xcd/0x170 [ 9699.248487][ T1076] do_syscall_64+0xc6/0x1e0 [ 9699.248487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.248487][ T1076] [ 9699.250221][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9699.250221][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9699.250221][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9699.250221][ T1076] ipv6_find_idev+0x102/0x170 [ 9699.250221][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9699.250221][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9699.250221][ T1076] netlink_rcv_skb+0x130/0x360 [ 9699.250221][ T1076] netlink_unicast+0x449/0x710 [ 9699.250221][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9699.250221][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9699.250221][ T1076] ___sys_sendmsg+0xee/0x170 [ 9699.250221][ T1076] __sys_sendmsg+0xcd/0x170 [ 9699.250221][ T1076] do_syscall_64+0xc6/0x1e0 [ 9699.250221][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9699.250221][ T1076] [ 9702.693731][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9702.694166][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9702.694166][ T73] dst_init+0x84/0x4a0 [ 9702.694166][ T73] dst_alloc+0x97/0x150 [ 9702.694166][ T73] ip6_dst_alloc+0x23/0x90 [ 9702.694166][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9702.694166][ T73] ip6_pol_route+0x56f/0x840 [ 9702.694166][ T73] fib6_rule_lookup+0x456/0x630 [ 9702.694166][ T73] ip6_route_input+0x59c/0xa50 [ 9702.694166][ T73] ipv6_rcv+0x397/0x810 [ 9702.694166][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9702.694166][ T73] process_backlog+0x101/0x620 [ 9702.694166][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9702.694166][ T73] net_rx_action+0x495/0xbe0 [ 9702.694166][ T73] __do_softirq+0x1b5/0x7f6 [ 9702.694166][ T73] [ 9702.695943][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9702.695943][ T73] netdev_get_by_index+0x5e/0x80 [ 9702.695943][ T73] fib6_nh_init+0x3d8/0x1580 [ 9702.695943][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9702.695943][ T73] ip6_route_add+0x1c/0x140 [ 9702.695943][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9702.695943][ T73] inet6_addr_add+0x4f8/0xa40 [ 9702.695943][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9702.695943][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.695943][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.695943][ T73] netlink_unicast+0x449/0x710 [ 9702.695943][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.695943][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.695943][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.695943][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.695943][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.695943][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.695943][ T73] [ 9702.697951][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9702.697951][ T73] netdev_get_by_index+0x5e/0x80 [ 9702.697951][ T73] fib6_nh_init+0x3d8/0x1580 [ 9702.697951][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9702.697951][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9702.697951][ T73] ipv6_add_addr+0x411/0x2000 [ 9702.697951][ T73] inet6_addr_add+0x30e/0xa40 [ 9702.697951][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9702.697951][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.697951][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.697951][ T73] netlink_unicast+0x449/0x710 [ 9702.697951][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.697951][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.697951][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.697951][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.697951][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.697951][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.697951][ T73] [ 9702.700036][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9702.700036][ T73] netdev_get_by_index+0x5e/0x80 [ 9702.700036][ T73] fib6_nh_init+0x3d8/0x1580 [ 9702.700036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9702.700036][ T73] ip6_route_add+0x1c/0x140 [ 9702.700036][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9702.700036][ T73] addrconf_add_dev+0xe2/0x170 [ 9702.700036][ T73] inet6_addr_add+0x12f/0xa40 [ 9702.700036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9702.700036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.700036][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.700036][ T73] netlink_unicast+0x449/0x710 [ 9702.700036][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.700036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.700036][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.700036][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.700036][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.700036][ T73] [ 9702.702006][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9702.702006][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9702.702006][ T73] ipv6_find_idev+0x102/0x170 [ 9702.702006][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9702.702006][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.702006][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.702006][ T73] netlink_unicast+0x449/0x710 [ 9702.702006][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.702006][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.702006][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.702006][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.702006][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.702006][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.702006][ T73] [ 9702.703552][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9702.703552][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9702.703552][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9702.703552][ T73] ipv6_find_idev+0x102/0x170 [ 9702.703552][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9702.703552][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.703552][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.703552][ T73] netlink_unicast+0x449/0x710 [ 9702.703552][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.703552][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.703552][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.703552][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.703552][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.703552][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.703552][ T73] [ 9702.705262][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9702.705501][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9702.705501][ T73] dst_init+0x84/0x4a0 [ 9702.705501][ T73] dst_alloc+0x97/0x150 [ 9702.705501][ T73] ip6_dst_alloc+0x23/0x90 [ 9702.705501][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9702.705501][ T73] ip6_pol_route+0x56f/0x840 [ 9702.705501][ T73] fib6_rule_lookup+0x456/0x630 [ 9702.705501][ T73] ip6_route_input+0x59c/0xa50 [ 9702.705501][ T73] ipv6_rcv+0x397/0x810 [ 9702.705501][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9702.705501][ T73] process_backlog+0x101/0x620 [ 9702.705501][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9702.705501][ T73] net_rx_action+0x495/0xbe0 [ 9702.705501][ T73] __do_softirq+0x1b5/0x7f6 [ 9702.705501][ T73] [ 9702.707150][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9702.707150][ T73] netdev_get_by_index+0x5e/0x80 [ 9702.707150][ T73] fib6_nh_init+0x3d8/0x1580 [ 9702.707150][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9702.707150][ T73] ip6_route_add+0x1c/0x140 [ 9702.707150][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9702.707150][ T73] inet6_addr_add+0x4f8/0xa40 [ 9702.707150][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9702.707150][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.707150][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.707150][ T73] netlink_unicast+0x449/0x710 [ 9702.707150][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.707150][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.707150][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.707150][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.707150][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.707150][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.707150][ T73] [ 9702.709186][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9702.709186][ T73] netdev_get_by_index+0x5e/0x80 [ 9702.709186][ T73] fib6_nh_init+0x3d8/0x1580 [ 9702.709186][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9702.709186][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9702.709186][ T73] ipv6_add_addr+0x411/0x2000 [ 9702.709186][ T73] inet6_addr_add+0x30e/0xa40 [ 9702.709186][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9702.709186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.709186][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.709186][ T73] netlink_unicast+0x449/0x710 [ 9702.709186][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.709186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.709186][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.709186][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.709186][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.709186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.709186][ T73] [ 9702.711189][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9702.711189][ T73] netdev_get_by_index+0x5e/0x80 [ 9702.711189][ T73] fib6_nh_init+0x3d8/0x1580 [ 9702.711189][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9702.711189][ T73] ip6_route_add+0x1c/0x140 [ 9702.711189][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9702.711189][ T73] addrconf_add_dev+0xe2/0x170 [ 9702.711189][ T73] inet6_addr_add+0x12f/0xa40 [ 9702.711189][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9702.711189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.711189][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.711189][ T73] netlink_unicast+0x449/0x710 [ 9702.711189][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.711189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.711189][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.711189][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.711189][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.711189][ T73] [ 9702.713157][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9702.713157][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9702.713157][ T73] ipv6_find_idev+0x102/0x170 [ 9702.713157][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9702.713157][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.713157][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.713157][ T73] netlink_unicast+0x449/0x710 [ 9702.713157][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.713157][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.713157][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.713157][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.713157][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.713157][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.713157][ T73] [ 9702.714699][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9702.714699][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9702.714699][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9702.714699][ T73] ipv6_find_idev+0x102/0x170 [ 9702.714699][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9702.714699][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9702.714699][ T73] netlink_rcv_skb+0x130/0x360 [ 9702.714699][ T73] netlink_unicast+0x449/0x710 [ 9702.714699][ T73] netlink_sendmsg+0x723/0xbe0 [ 9702.714699][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9702.714699][ T73] ___sys_sendmsg+0xee/0x170 [ 9702.714699][ T73] __sys_sendmsg+0xcd/0x170 [ 9702.714699][ T73] do_syscall_64+0xc6/0x1e0 [ 9702.714699][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9702.714699][ T73] [ 9709.493645][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9709.494191][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9709.494191][ T1076] netdev_get_by_index+0x5e/0x80 [ 9709.494191][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9709.494191][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9709.494191][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9709.494191][ T1076] ipv6_add_addr+0x411/0x2000 [ 9709.494191][ T1076] inet6_addr_add+0x30e/0xa40 [ 9709.494191][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9709.494191][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.494191][ T1076] netlink_rcv_skb+0x130/0x360 [ 9709.494191][ T1076] netlink_unicast+0x449/0x710 [ 9709.494191][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9709.494191][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9709.494191][ T1076] ___sys_sendmsg+0xee/0x170 [ 9709.494191][ T1076] __sys_sendmsg+0xcd/0x170 [ 9709.494191][ T1076] do_syscall_64+0xc6/0x1e0 [ 9709.494191][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.494191][ T1076] [ 9709.496556][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9709.496556][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9709.496556][ T1076] ipv6_find_idev+0x102/0x170 [ 9709.496556][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9709.496556][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.496556][ T1076] netlink_rcv_skb+0x130/0x360 [ 9709.496556][ T1076] netlink_unicast+0x449/0x710 [ 9709.496556][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9709.496556][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9709.496556][ T1076] ___sys_sendmsg+0xee/0x170 [ 9709.496556][ T1076] __sys_sendmsg+0xcd/0x170 [ 9709.496556][ T1076] do_syscall_64+0xc6/0x1e0 [ 9709.496556][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.496556][ T1076] [ 9709.498364][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9709.498364][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9709.498364][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9709.498364][ T1076] ipv6_find_idev+0x102/0x170 [ 9709.498364][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9709.498364][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9709.498364][ T1076] netlink_rcv_skb+0x130/0x360 [ 9709.498364][ T1076] netlink_unicast+0x449/0x710 [ 9709.498364][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9709.498364][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9709.498364][ T1076] ___sys_sendmsg+0xee/0x170 [ 9709.498364][ T1076] __sys_sendmsg+0xcd/0x170 [ 9709.498364][ T1076] do_syscall_64+0xc6/0x1e0 [ 9709.498364][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9709.498364][ T1076] [ 9712.957712][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9712.958156][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9712.958156][ T73] dst_init+0x84/0x4a0 [ 9712.958156][ T73] dst_alloc+0x97/0x150 [ 9712.958156][ T73] ip6_dst_alloc+0x23/0x90 [ 9712.958156][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9712.958156][ T73] ip6_pol_route+0x56f/0x840 [ 9712.958156][ T73] fib6_rule_lookup+0x456/0x630 [ 9712.958156][ T73] ip6_route_input+0x59c/0xa50 [ 9712.958156][ T73] ipv6_rcv+0x397/0x810 [ 9712.958156][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9712.958156][ T73] process_backlog+0x101/0x620 [ 9712.958156][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9712.958156][ T73] net_rx_action+0x495/0xbe0 [ 9712.958156][ T73] __do_softirq+0x1b5/0x7f6 [ 9712.958156][ T73] [ 9712.959855][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9712.959855][ T73] netdev_get_by_index+0x5e/0x80 [ 9712.959855][ T73] fib6_nh_init+0x3d8/0x1580 [ 9712.959855][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9712.959855][ T73] ip6_route_add+0x1c/0x140 [ 9712.959855][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9712.959855][ T73] inet6_addr_add+0x4f8/0xa40 [ 9712.959855][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9712.959855][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.959855][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.959855][ T73] netlink_unicast+0x449/0x710 [ 9712.959855][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.959855][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.959855][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.959855][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.959855][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.959855][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.959855][ T73] [ 9712.961876][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9712.961876][ T73] netdev_get_by_index+0x5e/0x80 [ 9712.961876][ T73] fib6_nh_init+0x3d8/0x1580 [ 9712.961876][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9712.961876][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9712.961876][ T73] ipv6_add_addr+0x411/0x2000 [ 9712.961876][ T73] inet6_addr_add+0x30e/0xa40 [ 9712.961876][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9712.961876][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.961876][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.961876][ T73] netlink_unicast+0x449/0x710 [ 9712.961876][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.961876][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.961876][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.961876][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.961876][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.961876][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.961876][ T73] [ 9712.963894][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9712.963894][ T73] netdev_get_by_index+0x5e/0x80 [ 9712.963894][ T73] fib6_nh_init+0x3d8/0x1580 [ 9712.963894][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9712.963894][ T73] ip6_route_add+0x1c/0x140 [ 9712.963894][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9712.963894][ T73] addrconf_add_dev+0xe2/0x170 [ 9712.963894][ T73] inet6_addr_add+0x12f/0xa40 [ 9712.963894][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9712.963894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.963894][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.963894][ T73] netlink_unicast+0x449/0x710 [ 9712.963894][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.963894][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.963894][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.963894][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.963894][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.963894][ T73] [ 9712.965861][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9712.965861][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9712.965861][ T73] ipv6_find_idev+0x102/0x170 [ 9712.965861][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9712.965861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.965861][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.965861][ T73] netlink_unicast+0x449/0x710 [ 9712.965861][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.965861][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.965861][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.965861][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.965861][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.965861][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.965861][ T73] [ 9712.967418][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9712.967418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9712.967418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9712.967418][ T73] ipv6_find_idev+0x102/0x170 [ 9712.967418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9712.967418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.967418][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.967418][ T73] netlink_unicast+0x449/0x710 [ 9712.967418][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.967418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.967418][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.967418][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.967418][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.967418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.967418][ T73] [ 9712.969145][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9712.969385][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9712.969385][ T73] dst_init+0x84/0x4a0 [ 9712.969385][ T73] dst_alloc+0x97/0x150 [ 9712.969385][ T73] ip6_dst_alloc+0x23/0x90 [ 9712.969385][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9712.969385][ T73] ip6_pol_route+0x56f/0x840 [ 9712.969385][ T73] fib6_rule_lookup+0x456/0x630 [ 9712.969385][ T73] ip6_route_input+0x59c/0xa50 [ 9712.969385][ T73] ipv6_rcv+0x397/0x810 [ 9712.969385][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9712.969385][ T73] process_backlog+0x101/0x620 [ 9712.969385][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9712.969385][ T73] net_rx_action+0x495/0xbe0 [ 9712.969385][ T73] __do_softirq+0x1b5/0x7f6 [ 9712.969385][ T73] [ 9712.971036][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9712.971036][ T73] netdev_get_by_index+0x5e/0x80 [ 9712.971036][ T73] fib6_nh_init+0x3d8/0x1580 [ 9712.971036][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9712.971036][ T73] ip6_route_add+0x1c/0x140 [ 9712.971036][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9712.971036][ T73] inet6_addr_add+0x4f8/0xa40 [ 9712.971036][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9712.971036][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.971036][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.971036][ T73] netlink_unicast+0x449/0x710 [ 9712.971036][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.971036][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.971036][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.971036][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.971036][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.971036][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.971036][ T73] [ 9712.973044][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9712.973044][ T73] netdev_get_by_index+0x5e/0x80 [ 9712.973044][ T73] fib6_nh_init+0x3d8/0x1580 [ 9712.973044][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9712.973044][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9712.973044][ T73] ipv6_add_addr+0x411/0x2000 [ 9712.973044][ T73] inet6_addr_add+0x30e/0xa40 [ 9712.973044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9712.973044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.973044][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.973044][ T73] netlink_unicast+0x449/0x710 [ 9712.973044][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.973044][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.973044][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.973044][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.973044][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.973044][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.973044][ T73] [ 9712.975076][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9712.975076][ T73] netdev_get_by_index+0x5e/0x80 [ 9712.975076][ T73] fib6_nh_init+0x3d8/0x1580 [ 9712.975076][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9712.975076][ T73] ip6_route_add+0x1c/0x140 [ 9712.975076][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9712.975076][ T73] addrconf_add_dev+0xe2/0x170 [ 9712.975076][ T73] inet6_addr_add+0x12f/0xa40 [ 9712.975076][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9712.975076][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.975076][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.975076][ T73] netlink_unicast+0x449/0x710 [ 9712.975076][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.975076][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.975076][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.975076][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.975076][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.975076][ T73] [ 9712.977067][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9712.977067][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9712.977067][ T73] ipv6_find_idev+0x102/0x170 [ 9712.977067][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9712.977067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.977067][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.977067][ T73] netlink_unicast+0x449/0x710 [ 9712.977067][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.977067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.977067][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.977067][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.977067][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.977067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.977067][ T73] [ 9712.978663][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9712.978663][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9712.978663][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9712.978663][ T73] ipv6_find_idev+0x102/0x170 [ 9712.978663][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9712.978663][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9712.978663][ T73] netlink_rcv_skb+0x130/0x360 [ 9712.978663][ T73] netlink_unicast+0x449/0x710 [ 9712.978663][ T73] netlink_sendmsg+0x723/0xbe0 [ 9712.978663][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9712.978663][ T73] ___sys_sendmsg+0xee/0x170 [ 9712.978663][ T73] __sys_sendmsg+0xcd/0x170 [ 9712.978663][ T73] do_syscall_64+0xc6/0x1e0 [ 9712.978663][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9712.978663][ T73] [ 9719.741632][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9719.742112][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9719.742112][ T1076] netdev_get_by_index+0x5e/0x80 [ 9719.742112][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9719.742112][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9719.742112][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9719.742112][ T1076] ipv6_add_addr+0x411/0x2000 [ 9719.742112][ T1076] inet6_addr_add+0x30e/0xa40 [ 9719.742112][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9719.742112][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.742112][ T1076] netlink_rcv_skb+0x130/0x360 [ 9719.742112][ T1076] netlink_unicast+0x449/0x710 [ 9719.742112][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9719.742112][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9719.742112][ T1076] ___sys_sendmsg+0xee/0x170 [ 9719.742112][ T1076] __sys_sendmsg+0xcd/0x170 [ 9719.742112][ T1076] do_syscall_64+0xc6/0x1e0 [ 9719.742112][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.742112][ T1076] [ 9719.744441][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9719.744441][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9719.744441][ T1076] ipv6_find_idev+0x102/0x170 [ 9719.744441][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9719.744441][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.744441][ T1076] netlink_rcv_skb+0x130/0x360 [ 9719.744441][ T1076] netlink_unicast+0x449/0x710 [ 9719.744441][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9719.744441][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9719.744441][ T1076] ___sys_sendmsg+0xee/0x170 [ 9719.744441][ T1076] __sys_sendmsg+0xcd/0x170 [ 9719.744441][ T1076] do_syscall_64+0xc6/0x1e0 [ 9719.744441][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.744441][ T1076] [ 9719.746463][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9719.746463][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9719.746463][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9719.746463][ T1076] ipv6_find_idev+0x102/0x170 [ 9719.746463][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9719.746463][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9719.746463][ T1076] netlink_rcv_skb+0x130/0x360 [ 9719.746463][ T1076] netlink_unicast+0x449/0x710 [ 9719.746463][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9719.746463][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9719.746463][ T1076] ___sys_sendmsg+0xee/0x170 [ 9719.746463][ T1076] __sys_sendmsg+0xcd/0x170 [ 9719.746463][ T1076] do_syscall_64+0xc6/0x1e0 [ 9719.746463][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9719.746463][ T1076] [ 9723.221717][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9723.222088][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9723.222088][ T73] dst_init+0x84/0x4a0 [ 9723.222088][ T73] dst_alloc+0x97/0x150 [ 9723.222088][ T73] ip6_dst_alloc+0x23/0x90 [ 9723.222088][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9723.222088][ T73] ip6_pol_route+0x56f/0x840 [ 9723.222088][ T73] fib6_rule_lookup+0x456/0x630 [ 9723.222088][ T73] ip6_route_input+0x59c/0xa50 [ 9723.222088][ T73] ipv6_rcv+0x397/0x810 [ 9723.222088][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9723.222088][ T73] process_backlog+0x101/0x620 [ 9723.222088][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9723.222088][ T73] net_rx_action+0x495/0xbe0 [ 9723.222088][ T73] __do_softirq+0x1b5/0x7f6 [ 9723.222088][ T73] [ 9723.223765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9723.223765][ T73] netdev_get_by_index+0x5e/0x80 [ 9723.223765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9723.223765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9723.223765][ T73] ip6_route_add+0x1c/0x140 [ 9723.223765][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9723.223765][ T73] inet6_addr_add+0x4f8/0xa40 [ 9723.223765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.223765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.223765][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.223765][ T73] netlink_unicast+0x449/0x710 [ 9723.223765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.223765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.223765][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.223765][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.223765][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.223765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.223765][ T73] [ 9723.225799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9723.225799][ T73] netdev_get_by_index+0x5e/0x80 [ 9723.225799][ T73] fib6_nh_init+0x3d8/0x1580 [ 9723.225799][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9723.225799][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9723.225799][ T73] ipv6_add_addr+0x411/0x2000 [ 9723.225799][ T73] inet6_addr_add+0x30e/0xa40 [ 9723.225799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.225799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.225799][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.225799][ T73] netlink_unicast+0x449/0x710 [ 9723.225799][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.225799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.225799][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.225799][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.225799][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.225799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.225799][ T73] [ 9723.227824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9723.227824][ T73] netdev_get_by_index+0x5e/0x80 [ 9723.227824][ T73] fib6_nh_init+0x3d8/0x1580 [ 9723.227824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9723.227824][ T73] ip6_route_add+0x1c/0x140 [ 9723.227824][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9723.227824][ T73] addrconf_add_dev+0xe2/0x170 [ 9723.227824][ T73] inet6_addr_add+0x12f/0xa40 [ 9723.227824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.227824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.227824][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.227824][ T73] netlink_unicast+0x449/0x710 [ 9723.227824][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.227824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.227824][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.227824][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.227824][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.227824][ T73] [ 9723.229816][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9723.229816][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9723.229816][ T73] ipv6_find_idev+0x102/0x170 [ 9723.229816][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9723.229816][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.229816][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.229816][ T73] netlink_unicast+0x449/0x710 [ 9723.229816][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.229816][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.229816][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.229816][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.229816][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.229816][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.229816][ T73] [ 9723.231377][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9723.231377][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9723.231377][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9723.231377][ T73] ipv6_find_idev+0x102/0x170 [ 9723.231377][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9723.231377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.231377][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.231377][ T73] netlink_unicast+0x449/0x710 [ 9723.231377][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.231377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.231377][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.231377][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.231377][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.231377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.231377][ T73] [ 9723.233111][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9723.233359][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9723.233359][ T73] dst_init+0x84/0x4a0 [ 9723.233359][ T73] dst_alloc+0x97/0x150 [ 9723.233359][ T73] ip6_dst_alloc+0x23/0x90 [ 9723.233359][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9723.233359][ T73] ip6_pol_route+0x56f/0x840 [ 9723.233359][ T73] fib6_rule_lookup+0x456/0x630 [ 9723.233359][ T73] ip6_route_input+0x59c/0xa50 [ 9723.233359][ T73] ipv6_rcv+0x397/0x810 [ 9723.233359][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9723.233359][ T73] process_backlog+0x101/0x620 [ 9723.233359][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9723.233359][ T73] net_rx_action+0x495/0xbe0 [ 9723.233359][ T73] __do_softirq+0x1b5/0x7f6 [ 9723.233359][ T73] [ 9723.235118][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9723.235118][ T73] netdev_get_by_index+0x5e/0x80 [ 9723.235118][ T73] fib6_nh_init+0x3d8/0x1580 [ 9723.235118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9723.235118][ T73] ip6_route_add+0x1c/0x140 [ 9723.235118][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9723.235118][ T73] inet6_addr_add+0x4f8/0xa40 [ 9723.235118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.235118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.235118][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.235118][ T73] netlink_unicast+0x449/0x710 [ 9723.235118][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.235118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.235118][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.235118][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.235118][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.235118][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.235118][ T73] [ 9723.237121][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9723.237121][ T73] netdev_get_by_index+0x5e/0x80 [ 9723.237121][ T73] fib6_nh_init+0x3d8/0x1580 [ 9723.237121][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9723.237121][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9723.237121][ T73] ipv6_add_addr+0x411/0x2000 [ 9723.237121][ T73] inet6_addr_add+0x30e/0xa40 [ 9723.237121][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.237121][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.237121][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.237121][ T73] netlink_unicast+0x449/0x710 [ 9723.237121][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.237121][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.237121][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.237121][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.237121][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.237121][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.237121][ T73] [ 9723.239170][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9723.239170][ T73] netdev_get_by_index+0x5e/0x80 [ 9723.239170][ T73] fib6_nh_init+0x3d8/0x1580 [ 9723.239170][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9723.239170][ T73] ip6_route_add+0x1c/0x140 [ 9723.239170][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9723.239170][ T73] addrconf_add_dev+0xe2/0x170 [ 9723.239170][ T73] inet6_addr_add+0x12f/0xa40 [ 9723.239170][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9723.239170][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.239170][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.239170][ T73] netlink_unicast+0x449/0x710 [ 9723.239170][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.239170][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.239170][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.239170][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.239170][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.239170][ T73] [ 9723.241147][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9723.241147][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9723.241147][ T73] ipv6_find_idev+0x102/0x170 [ 9723.241147][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9723.241147][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.241147][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.241147][ T73] netlink_unicast+0x449/0x710 [ 9723.241147][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.241147][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.241147][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.241147][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.241147][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.241147][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.241147][ T73] [ 9723.242692][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9723.242692][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9723.242692][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9723.242692][ T73] ipv6_find_idev+0x102/0x170 [ 9723.242692][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9723.242692][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9723.242692][ T73] netlink_rcv_skb+0x130/0x360 [ 9723.242692][ T73] netlink_unicast+0x449/0x710 [ 9723.242692][ T73] netlink_sendmsg+0x723/0xbe0 [ 9723.242692][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9723.242692][ T73] ___sys_sendmsg+0xee/0x170 [ 9723.242692][ T73] __sys_sendmsg+0xcd/0x170 [ 9723.242692][ T73] do_syscall_64+0xc6/0x1e0 [ 9723.242692][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9723.242692][ T73] [ 9729.989727][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9729.990149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9729.990149][ T1076] netdev_get_by_index+0x5e/0x80 [ 9729.990149][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9729.990149][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9729.990149][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9729.990149][ T1076] ipv6_add_addr+0x411/0x2000 [ 9729.990149][ T1076] inet6_addr_add+0x30e/0xa40 [ 9729.990149][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9729.990149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.990149][ T1076] netlink_rcv_skb+0x130/0x360 [ 9729.990149][ T1076] netlink_unicast+0x449/0x710 [ 9729.990149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9729.990149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9729.990149][ T1076] ___sys_sendmsg+0xee/0x170 [ 9729.990149][ T1076] __sys_sendmsg+0xcd/0x170 [ 9729.990149][ T1076] do_syscall_64+0xc6/0x1e0 [ 9729.990149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.990149][ T1076] [ 9729.992416][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9729.992416][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9729.992416][ T1076] ipv6_find_idev+0x102/0x170 [ 9729.992416][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9729.992416][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.992416][ T1076] netlink_rcv_skb+0x130/0x360 [ 9729.992416][ T1076] netlink_unicast+0x449/0x710 [ 9729.992416][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9729.992416][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9729.992416][ T1076] ___sys_sendmsg+0xee/0x170 [ 9729.992416][ T1076] __sys_sendmsg+0xcd/0x170 [ 9729.992416][ T1076] do_syscall_64+0xc6/0x1e0 [ 9729.992416][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.992416][ T1076] [ 9729.994146][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9729.994146][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9729.994146][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9729.994146][ T1076] ipv6_find_idev+0x102/0x170 [ 9729.994146][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9729.994146][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9729.994146][ T1076] netlink_rcv_skb+0x130/0x360 [ 9729.994146][ T1076] netlink_unicast+0x449/0x710 [ 9729.994146][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9729.994146][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9729.994146][ T1076] ___sys_sendmsg+0xee/0x170 [ 9729.994146][ T1076] __sys_sendmsg+0xcd/0x170 [ 9729.994146][ T1076] do_syscall_64+0xc6/0x1e0 [ 9729.994146][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9729.994146][ T1076] [ 9733.485704][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9733.486067][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9733.486067][ T73] dst_init+0x84/0x4a0 [ 9733.486067][ T73] dst_alloc+0x97/0x150 [ 9733.486067][ T73] ip6_dst_alloc+0x23/0x90 [ 9733.486067][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9733.486067][ T73] ip6_pol_route+0x56f/0x840 [ 9733.486067][ T73] fib6_rule_lookup+0x456/0x630 [ 9733.486067][ T73] ip6_route_input+0x59c/0xa50 [ 9733.486067][ T73] ipv6_rcv+0x397/0x810 [ 9733.486067][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9733.486067][ T73] process_backlog+0x101/0x620 [ 9733.486067][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9733.486067][ T73] net_rx_action+0x495/0xbe0 [ 9733.486067][ T73] __do_softirq+0x1b5/0x7f6 [ 9733.486067][ T73] [ 9733.487739][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9733.487739][ T73] netdev_get_by_index+0x5e/0x80 [ 9733.487739][ T73] fib6_nh_init+0x3d8/0x1580 [ 9733.487739][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9733.487739][ T73] ip6_route_add+0x1c/0x140 [ 9733.487739][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9733.487739][ T73] inet6_addr_add+0x4f8/0xa40 [ 9733.487739][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9733.487739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.487739][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.487739][ T73] netlink_unicast+0x449/0x710 [ 9733.487739][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.487739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.487739][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.487739][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.487739][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.487739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.487739][ T73] [ 9733.489761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9733.489761][ T73] netdev_get_by_index+0x5e/0x80 [ 9733.489761][ T73] fib6_nh_init+0x3d8/0x1580 [ 9733.489761][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9733.489761][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9733.489761][ T73] ipv6_add_addr+0x411/0x2000 [ 9733.489761][ T73] inet6_addr_add+0x30e/0xa40 [ 9733.489761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9733.489761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.489761][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.489761][ T73] netlink_unicast+0x449/0x710 [ 9733.489761][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.489761][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.489761][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.489761][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.489761][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.489761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.489761][ T73] [ 9733.491769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9733.491769][ T73] netdev_get_by_index+0x5e/0x80 [ 9733.491769][ T73] fib6_nh_init+0x3d8/0x1580 [ 9733.491769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9733.491769][ T73] ip6_route_add+0x1c/0x140 [ 9733.491769][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9733.491769][ T73] addrconf_add_dev+0xe2/0x170 [ 9733.491769][ T73] inet6_addr_add+0x12f/0xa40 [ 9733.491769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9733.491769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.491769][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.491769][ T73] netlink_unicast+0x449/0x710 [ 9733.491769][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.491769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.491769][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.491769][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.491769][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.491769][ T73] [ 9733.493736][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9733.493736][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9733.493736][ T73] ipv6_find_idev+0x102/0x170 [ 9733.493736][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9733.493736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.493736][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.493736][ T73] netlink_unicast+0x449/0x710 [ 9733.493736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.493736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.493736][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.493736][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.493736][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.493736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.493736][ T73] [ 9733.495283][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9733.495283][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9733.495283][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9733.495283][ T73] ipv6_find_idev+0x102/0x170 [ 9733.495283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9733.495283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.495283][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.495283][ T73] netlink_unicast+0x449/0x710 [ 9733.495283][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.495283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.495283][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.495283][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.495283][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.495283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.495283][ T73] [ 9733.496991][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9733.497236][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9733.497236][ T73] dst_init+0x84/0x4a0 [ 9733.497236][ T73] dst_alloc+0x97/0x150 [ 9733.497236][ T73] ip6_dst_alloc+0x23/0x90 [ 9733.497236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9733.497236][ T73] ip6_pol_route+0x56f/0x840 [ 9733.497236][ T73] fib6_rule_lookup+0x456/0x630 [ 9733.497236][ T73] ip6_route_input+0x59c/0xa50 [ 9733.497236][ T73] ipv6_rcv+0x397/0x810 [ 9733.497236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9733.497236][ T73] process_backlog+0x101/0x620 [ 9733.497236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9733.497236][ T73] net_rx_action+0x495/0xbe0 [ 9733.497236][ T73] __do_softirq+0x1b5/0x7f6 [ 9733.497236][ T73] [ 9733.498896][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9733.498896][ T73] netdev_get_by_index+0x5e/0x80 [ 9733.498896][ T73] fib6_nh_init+0x3d8/0x1580 [ 9733.498896][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9733.498896][ T73] ip6_route_add+0x1c/0x140 [ 9733.498896][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9733.498896][ T73] inet6_addr_add+0x4f8/0xa40 [ 9733.498896][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9733.498896][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.498896][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.498896][ T73] netlink_unicast+0x449/0x710 [ 9733.498896][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.498896][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.498896][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.498896][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.498896][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.498896][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.498896][ T73] [ 9733.500901][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9733.500901][ T73] netdev_get_by_index+0x5e/0x80 [ 9733.500901][ T73] fib6_nh_init+0x3d8/0x1580 [ 9733.500901][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9733.500901][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9733.500901][ T73] ipv6_add_addr+0x411/0x2000 [ 9733.500901][ T73] inet6_addr_add+0x30e/0xa40 [ 9733.500901][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9733.500901][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.500901][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.500901][ T73] netlink_unicast+0x449/0x710 [ 9733.500901][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.500901][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.500901][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.500901][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.500901][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.500901][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.500901][ T73] [ 9733.502920][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9733.502920][ T73] netdev_get_by_index+0x5e/0x80 [ 9733.502920][ T73] fib6_nh_init+0x3d8/0x1580 [ 9733.502920][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9733.502920][ T73] ip6_route_add+0x1c/0x140 [ 9733.502920][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9733.502920][ T73] addrconf_add_dev+0xe2/0x170 [ 9733.502920][ T73] inet6_addr_add+0x12f/0xa40 [ 9733.502920][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9733.502920][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.502920][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.502920][ T73] netlink_unicast+0x449/0x710 [ 9733.502920][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.502920][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.502920][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.502920][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.502920][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.502920][ T73] [ 9733.504890][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9733.504890][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9733.504890][ T73] ipv6_find_idev+0x102/0x170 [ 9733.504890][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9733.504890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.504890][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.504890][ T73] netlink_unicast+0x449/0x710 [ 9733.504890][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.504890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.504890][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.504890][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.504890][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.504890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.504890][ T73] [ 9733.506433][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9733.506433][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9733.506433][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9733.506433][ T73] ipv6_find_idev+0x102/0x170 [ 9733.506433][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9733.506433][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9733.506433][ T73] netlink_rcv_skb+0x130/0x360 [ 9733.506433][ T73] netlink_unicast+0x449/0x710 [ 9733.506433][ T73] netlink_sendmsg+0x723/0xbe0 [ 9733.506433][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9733.506433][ T73] ___sys_sendmsg+0xee/0x170 [ 9733.506433][ T73] __sys_sendmsg+0xcd/0x170 [ 9733.506433][ T73] do_syscall_64+0xc6/0x1e0 [ 9733.506433][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9733.506433][ T73] [ 9740.237728][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9740.238223][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9740.238223][ T1076] netdev_get_by_index+0x5e/0x80 [ 9740.238223][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9740.238223][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9740.238223][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9740.238223][ T1076] ipv6_add_addr+0x411/0x2000 [ 9740.238223][ T1076] inet6_addr_add+0x30e/0xa40 [ 9740.238223][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9740.238223][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.238223][ T1076] netlink_rcv_skb+0x130/0x360 [ 9740.238223][ T1076] netlink_unicast+0x449/0x710 [ 9740.238223][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9740.238223][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9740.238223][ T1076] ___sys_sendmsg+0xee/0x170 [ 9740.238223][ T1076] __sys_sendmsg+0xcd/0x170 [ 9740.238223][ T1076] do_syscall_64+0xc6/0x1e0 [ 9740.238223][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.238223][ T1076] [ 9740.240484][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9740.240484][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9740.240484][ T1076] ipv6_find_idev+0x102/0x170 [ 9740.240484][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9740.240484][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.240484][ T1076] netlink_rcv_skb+0x130/0x360 [ 9740.240484][ T1076] netlink_unicast+0x449/0x710 [ 9740.240484][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9740.240484][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9740.240484][ T1076] ___sys_sendmsg+0xee/0x170 [ 9740.240484][ T1076] __sys_sendmsg+0xcd/0x170 [ 9740.240484][ T1076] do_syscall_64+0xc6/0x1e0 [ 9740.240484][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.240484][ T1076] [ 9740.242212][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9740.242212][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9740.242212][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9740.242212][ T1076] ipv6_find_idev+0x102/0x170 [ 9740.242212][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9740.242212][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9740.242212][ T1076] netlink_rcv_skb+0x130/0x360 [ 9740.242212][ T1076] netlink_unicast+0x449/0x710 [ 9740.242212][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9740.242212][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9740.242212][ T1076] ___sys_sendmsg+0xee/0x170 [ 9740.242212][ T1076] __sys_sendmsg+0xcd/0x170 [ 9740.242212][ T1076] do_syscall_64+0xc6/0x1e0 [ 9740.242212][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9740.242212][ T1076] [ 9743.749669][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9743.750193][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9743.750193][ T73] dst_init+0x84/0x4a0 [ 9743.750193][ T73] dst_alloc+0x97/0x150 [ 9743.750193][ T73] ip6_dst_alloc+0x23/0x90 [ 9743.750193][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9743.750193][ T73] ip6_pol_route+0x56f/0x840 [ 9743.750193][ T73] fib6_rule_lookup+0x456/0x630 [ 9743.750193][ T73] ip6_route_input+0x59c/0xa50 [ 9743.750193][ T73] ipv6_rcv+0x397/0x810 [ 9743.750193][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9743.750193][ T73] process_backlog+0x101/0x620 [ 9743.750193][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9743.750193][ T73] net_rx_action+0x495/0xbe0 [ 9743.750193][ T73] __do_softirq+0x1b5/0x7f6 [ 9743.750193][ T73] [ 9743.752806][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9743.752806][ T73] netdev_get_by_index+0x5e/0x80 [ 9743.752806][ T73] fib6_nh_init+0x3d8/0x1580 [ 9743.752806][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9743.752806][ T73] ip6_route_add+0x1c/0x140 [ 9743.752806][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9743.752806][ T73] inet6_addr_add+0x4f8/0xa40 [ 9743.752806][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9743.752806][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.752806][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.752806][ T73] netlink_unicast+0x449/0x710 [ 9743.752806][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.752806][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.752806][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.752806][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.752806][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.752806][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.752806][ T73] [ 9743.755595][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9743.755595][ T73] netdev_get_by_index+0x5e/0x80 [ 9743.755595][ T73] fib6_nh_init+0x3d8/0x1580 [ 9743.755595][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9743.755595][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9743.755595][ T73] ipv6_add_addr+0x411/0x2000 [ 9743.755595][ T73] inet6_addr_add+0x30e/0xa40 [ 9743.755595][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9743.755595][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.755595][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.755595][ T73] netlink_unicast+0x449/0x710 [ 9743.755595][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.755595][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.755595][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.755595][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.755595][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.755595][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.755595][ T73] [ 9743.758365][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9743.758365][ T73] netdev_get_by_index+0x5e/0x80 [ 9743.758365][ T73] fib6_nh_init+0x3d8/0x1580 [ 9743.758365][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9743.758365][ T73] ip6_route_add+0x1c/0x140 [ 9743.758365][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9743.758365][ T73] addrconf_add_dev+0xe2/0x170 [ 9743.758365][ T73] inet6_addr_add+0x12f/0xa40 [ 9743.758365][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9743.758365][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.758365][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.758365][ T73] netlink_unicast+0x449/0x710 [ 9743.758365][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.758365][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.758365][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.758365][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.758365][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.758365][ T73] [ 9743.761442][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9743.761442][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9743.761442][ T73] ipv6_find_idev+0x102/0x170 [ 9743.761442][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9743.761442][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.761442][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.761442][ T73] netlink_unicast+0x449/0x710 [ 9743.761442][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.761442][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.761442][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.761442][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.761442][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.761442][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.761442][ T73] [ 9743.763869][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9743.763869][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9743.763869][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9743.763869][ T73] ipv6_find_idev+0x102/0x170 [ 9743.763869][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9743.763869][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.763869][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.763869][ T73] netlink_unicast+0x449/0x710 [ 9743.763869][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.763869][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.763869][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.763869][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.763869][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.763869][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.763869][ T73] [ 9743.766646][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9743.767023][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9743.767023][ T73] dst_init+0x84/0x4a0 [ 9743.767023][ T73] dst_alloc+0x97/0x150 [ 9743.767023][ T73] ip6_dst_alloc+0x23/0x90 [ 9743.767023][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9743.767023][ T73] ip6_pol_route+0x56f/0x840 [ 9743.767023][ T73] fib6_rule_lookup+0x456/0x630 [ 9743.767023][ T73] ip6_route_input+0x59c/0xa50 [ 9743.767023][ T73] ipv6_rcv+0x397/0x810 [ 9743.767023][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9743.767023][ T73] process_backlog+0x101/0x620 [ 9743.767023][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9743.767023][ T73] net_rx_action+0x495/0xbe0 [ 9743.767023][ T73] __do_softirq+0x1b5/0x7f6 [ 9743.767023][ T73] [ 9743.769212][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9743.769212][ T73] netdev_get_by_index+0x5e/0x80 [ 9743.769212][ T73] fib6_nh_init+0x3d8/0x1580 [ 9743.769212][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9743.769212][ T73] ip6_route_add+0x1c/0x140 [ 9743.769212][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9743.769212][ T73] inet6_addr_add+0x4f8/0xa40 [ 9743.769212][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9743.769212][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.769212][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.769212][ T73] netlink_unicast+0x449/0x710 [ 9743.769212][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.769212][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.769212][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.769212][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.769212][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.769212][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.769212][ T73] [ 9743.772377][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9743.772377][ T73] netdev_get_by_index+0x5e/0x80 [ 9743.772377][ T73] fib6_nh_init+0x3d8/0x1580 [ 9743.772377][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9743.772377][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9743.772377][ T73] ipv6_add_addr+0x411/0x2000 [ 9743.772377][ T73] inet6_addr_add+0x30e/0xa40 [ 9743.772377][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9743.772377][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.772377][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.772377][ T73] netlink_unicast+0x449/0x710 [ 9743.772377][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.772377][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.772377][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.772377][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.772377][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.772377][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.772377][ T73] [ 9743.775549][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9743.775549][ T73] netdev_get_by_index+0x5e/0x80 [ 9743.775549][ T73] fib6_nh_init+0x3d8/0x1580 [ 9743.775549][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9743.775549][ T73] ip6_route_add+0x1c/0x140 [ 9743.775549][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9743.775549][ T73] addrconf_add_dev+0xe2/0x170 [ 9743.775549][ T73] inet6_addr_add+0x12f/0xa40 [ 9743.775549][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9743.775549][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.775549][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.775549][ T73] netlink_unicast+0x449/0x710 [ 9743.775549][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.775549][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.775549][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.775549][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.775549][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.775549][ T73] [ 9743.778668][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9743.778668][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9743.778668][ T73] ipv6_find_idev+0x102/0x170 [ 9743.778668][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9743.778668][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.778668][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.778668][ T73] netlink_unicast+0x449/0x710 [ 9743.778668][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.778668][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.778668][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.778668][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.778668][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.778668][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.778668][ T73] [ 9743.780961][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9743.780961][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9743.780961][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9743.780961][ T73] ipv6_find_idev+0x102/0x170 [ 9743.780961][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9743.780961][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9743.780961][ T73] netlink_rcv_skb+0x130/0x360 [ 9743.780961][ T73] netlink_unicast+0x449/0x710 [ 9743.780961][ T73] netlink_sendmsg+0x723/0xbe0 [ 9743.780961][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9743.780961][ T73] ___sys_sendmsg+0xee/0x170 [ 9743.780961][ T73] __sys_sendmsg+0xcd/0x170 [ 9743.780961][ T73] do_syscall_64+0xc6/0x1e0 [ 9743.780961][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9743.780961][ T73] [ 9750.485643][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9750.486076][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9750.486076][ T1076] netdev_get_by_index+0x5e/0x80 [ 9750.486076][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9750.486076][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9750.486076][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9750.486076][ T1076] ipv6_add_addr+0x411/0x2000 [ 9750.486076][ T1076] inet6_addr_add+0x30e/0xa40 [ 9750.486076][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9750.486076][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.486076][ T1076] netlink_rcv_skb+0x130/0x360 [ 9750.486076][ T1076] netlink_unicast+0x449/0x710 [ 9750.486076][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9750.486076][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9750.486076][ T1076] ___sys_sendmsg+0xee/0x170 [ 9750.486076][ T1076] __sys_sendmsg+0xcd/0x170 [ 9750.486076][ T1076] do_syscall_64+0xc6/0x1e0 [ 9750.486076][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.486076][ T1076] [ 9750.488435][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9750.488435][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9750.488435][ T1076] ipv6_find_idev+0x102/0x170 [ 9750.488435][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9750.488435][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.488435][ T1076] netlink_rcv_skb+0x130/0x360 [ 9750.488435][ T1076] netlink_unicast+0x449/0x710 [ 9750.488435][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9750.488435][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9750.488435][ T1076] ___sys_sendmsg+0xee/0x170 [ 9750.488435][ T1076] __sys_sendmsg+0xcd/0x170 [ 9750.488435][ T1076] do_syscall_64+0xc6/0x1e0 [ 9750.488435][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.488435][ T1076] [ 9750.490177][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9750.490177][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9750.490177][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9750.490177][ T1076] ipv6_find_idev+0x102/0x170 [ 9750.490177][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9750.490177][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9750.490177][ T1076] netlink_rcv_skb+0x130/0x360 [ 9750.490177][ T1076] netlink_unicast+0x449/0x710 [ 9750.490177][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9750.490177][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9750.490177][ T1076] ___sys_sendmsg+0xee/0x170 [ 9750.490177][ T1076] __sys_sendmsg+0xcd/0x170 [ 9750.490177][ T1076] do_syscall_64+0xc6/0x1e0 [ 9750.490177][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9750.490177][ T1076] [ 9754.021729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9754.022151][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9754.022151][ T73] dst_init+0x84/0x4a0 [ 9754.022151][ T73] dst_alloc+0x97/0x150 [ 9754.022151][ T73] ip6_dst_alloc+0x23/0x90 [ 9754.022151][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9754.022151][ T73] ip6_pol_route+0x56f/0x840 [ 9754.022151][ T73] fib6_rule_lookup+0x456/0x630 [ 9754.022151][ T73] ip6_route_input+0x59c/0xa50 [ 9754.022151][ T73] ipv6_rcv+0x397/0x810 [ 9754.022151][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9754.022151][ T73] process_backlog+0x101/0x620 [ 9754.022151][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9754.022151][ T73] net_rx_action+0x495/0xbe0 [ 9754.022151][ T73] __do_softirq+0x1b5/0x7f6 [ 9754.022151][ T73] [ 9754.023827][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9754.023827][ T73] netdev_get_by_index+0x5e/0x80 [ 9754.023827][ T73] fib6_nh_init+0x3d8/0x1580 [ 9754.023827][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9754.023827][ T73] ip6_route_add+0x1c/0x140 [ 9754.023827][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9754.023827][ T73] inet6_addr_add+0x4f8/0xa40 [ 9754.023827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.023827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.023827][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.023827][ T73] netlink_unicast+0x449/0x710 [ 9754.023827][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.023827][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.023827][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.023827][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.023827][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.023827][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.023827][ T73] [ 9754.025837][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9754.025837][ T73] netdev_get_by_index+0x5e/0x80 [ 9754.025837][ T73] fib6_nh_init+0x3d8/0x1580 [ 9754.025837][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9754.025837][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9754.025837][ T73] ipv6_add_addr+0x411/0x2000 [ 9754.025837][ T73] inet6_addr_add+0x30e/0xa40 [ 9754.025837][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.025837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.025837][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.025837][ T73] netlink_unicast+0x449/0x710 [ 9754.025837][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.025837][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.025837][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.025837][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.025837][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.025837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.025837][ T73] [ 9754.027851][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9754.027851][ T73] netdev_get_by_index+0x5e/0x80 [ 9754.027851][ T73] fib6_nh_init+0x3d8/0x1580 [ 9754.027851][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9754.027851][ T73] ip6_route_add+0x1c/0x140 [ 9754.027851][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9754.027851][ T73] addrconf_add_dev+0xe2/0x170 [ 9754.027851][ T73] inet6_addr_add+0x12f/0xa40 [ 9754.027851][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.027851][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.027851][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.027851][ T73] netlink_unicast+0x449/0x710 [ 9754.027851][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.027851][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.027851][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.027851][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.027851][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.027851][ T73] [ 9754.029829][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9754.029829][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9754.029829][ T73] ipv6_find_idev+0x102/0x170 [ 9754.029829][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9754.029829][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.029829][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.029829][ T73] netlink_unicast+0x449/0x710 [ 9754.029829][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.029829][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.029829][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.029829][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.029829][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.029829][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.029829][ T73] [ 9754.031373][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9754.031373][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9754.031373][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9754.031373][ T73] ipv6_find_idev+0x102/0x170 [ 9754.031373][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9754.031373][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.031373][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.031373][ T73] netlink_unicast+0x449/0x710 [ 9754.031373][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.031373][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.031373][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.031373][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.031373][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.031373][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.031373][ T73] [ 9754.033077][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9754.033320][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9754.033320][ T73] dst_init+0x84/0x4a0 [ 9754.033320][ T73] dst_alloc+0x97/0x150 [ 9754.033320][ T73] ip6_dst_alloc+0x23/0x90 [ 9754.033320][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9754.033320][ T73] ip6_pol_route+0x56f/0x840 [ 9754.033320][ T73] fib6_rule_lookup+0x456/0x630 [ 9754.033320][ T73] ip6_route_input+0x59c/0xa50 [ 9754.033320][ T73] ipv6_rcv+0x397/0x810 [ 9754.033320][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9754.033320][ T73] process_backlog+0x101/0x620 [ 9754.033320][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9754.033320][ T73] net_rx_action+0x495/0xbe0 [ 9754.033320][ T73] __do_softirq+0x1b5/0x7f6 [ 9754.033320][ T73] [ 9754.034962][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9754.034962][ T73] netdev_get_by_index+0x5e/0x80 [ 9754.034962][ T73] fib6_nh_init+0x3d8/0x1580 [ 9754.034962][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9754.034962][ T73] ip6_route_add+0x1c/0x140 [ 9754.034962][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9754.034962][ T73] inet6_addr_add+0x4f8/0xa40 [ 9754.034962][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.034962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.034962][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.034962][ T73] netlink_unicast+0x449/0x710 [ 9754.034962][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.034962][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.034962][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.034962][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.034962][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.034962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.034962][ T73] [ 9754.036972][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9754.036972][ T73] netdev_get_by_index+0x5e/0x80 [ 9754.036972][ T73] fib6_nh_init+0x3d8/0x1580 [ 9754.036972][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9754.036972][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9754.036972][ T73] ipv6_add_addr+0x411/0x2000 [ 9754.036972][ T73] inet6_addr_add+0x30e/0xa40 [ 9754.036972][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.036972][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.036972][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.036972][ T73] netlink_unicast+0x449/0x710 [ 9754.036972][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.036972][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.036972][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.036972][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.036972][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.036972][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.036972][ T73] [ 9754.038998][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9754.038998][ T73] netdev_get_by_index+0x5e/0x80 [ 9754.038998][ T73] fib6_nh_init+0x3d8/0x1580 [ 9754.038998][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9754.038998][ T73] ip6_route_add+0x1c/0x140 [ 9754.038998][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9754.038998][ T73] addrconf_add_dev+0xe2/0x170 [ 9754.038998][ T73] inet6_addr_add+0x12f/0xa40 [ 9754.038998][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9754.038998][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.038998][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.038998][ T73] netlink_unicast+0x449/0x710 [ 9754.038998][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.038998][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.038998][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.038998][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.038998][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.038998][ T73] [ 9754.040968][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9754.040968][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9754.040968][ T73] ipv6_find_idev+0x102/0x170 [ 9754.040968][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9754.040968][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.040968][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.040968][ T73] netlink_unicast+0x449/0x710 [ 9754.040968][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.040968][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.040968][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.040968][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.040968][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.040968][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.040968][ T73] [ 9754.042510][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9754.042510][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9754.042510][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9754.042510][ T73] ipv6_find_idev+0x102/0x170 [ 9754.042510][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9754.042510][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9754.042510][ T73] netlink_rcv_skb+0x130/0x360 [ 9754.042510][ T73] netlink_unicast+0x449/0x710 [ 9754.042510][ T73] netlink_sendmsg+0x723/0xbe0 [ 9754.042510][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9754.042510][ T73] ___sys_sendmsg+0xee/0x170 [ 9754.042510][ T73] __sys_sendmsg+0xcd/0x170 [ 9754.042510][ T73] do_syscall_64+0xc6/0x1e0 [ 9754.042510][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9754.042510][ T73] [ 9760.733703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9760.734131][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9760.734131][ T1076] netdev_get_by_index+0x5e/0x80 [ 9760.734131][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9760.734131][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9760.734131][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9760.734131][ T1076] ipv6_add_addr+0x411/0x2000 [ 9760.734131][ T1076] inet6_addr_add+0x30e/0xa40 [ 9760.734131][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9760.734131][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.734131][ T1076] netlink_rcv_skb+0x130/0x360 [ 9760.734131][ T1076] netlink_unicast+0x449/0x710 [ 9760.734131][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9760.734131][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9760.734131][ T1076] ___sys_sendmsg+0xee/0x170 [ 9760.734131][ T1076] __sys_sendmsg+0xcd/0x170 [ 9760.734131][ T1076] do_syscall_64+0xc6/0x1e0 [ 9760.734131][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.734131][ T1076] [ 9760.736378][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9760.736378][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9760.736378][ T1076] ipv6_find_idev+0x102/0x170 [ 9760.736378][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9760.736378][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.736378][ T1076] netlink_rcv_skb+0x130/0x360 [ 9760.736378][ T1076] netlink_unicast+0x449/0x710 [ 9760.736378][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9760.736378][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9760.736378][ T1076] ___sys_sendmsg+0xee/0x170 [ 9760.736378][ T1076] __sys_sendmsg+0xcd/0x170 [ 9760.736378][ T1076] do_syscall_64+0xc6/0x1e0 [ 9760.736378][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.736378][ T1076] [ 9760.738109][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9760.738109][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9760.738109][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9760.738109][ T1076] ipv6_find_idev+0x102/0x170 [ 9760.738109][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9760.738109][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9760.738109][ T1076] netlink_rcv_skb+0x130/0x360 [ 9760.738109][ T1076] netlink_unicast+0x449/0x710 [ 9760.738109][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9760.738109][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9760.738109][ T1076] ___sys_sendmsg+0xee/0x170 [ 9760.738109][ T1076] __sys_sendmsg+0xcd/0x170 [ 9760.738109][ T1076] do_syscall_64+0xc6/0x1e0 [ 9760.738109][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9760.738109][ T1076] [ 9764.285741][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9764.286126][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9764.286126][ T73] dst_init+0x84/0x4a0 [ 9764.286126][ T73] dst_alloc+0x97/0x150 [ 9764.286126][ T73] ip6_dst_alloc+0x23/0x90 [ 9764.286126][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9764.286126][ T73] ip6_pol_route+0x56f/0x840 [ 9764.286126][ T73] fib6_rule_lookup+0x456/0x630 [ 9764.286126][ T73] ip6_route_input+0x59c/0xa50 [ 9764.286126][ T73] ipv6_rcv+0x397/0x810 [ 9764.286126][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9764.286126][ T73] process_backlog+0x101/0x620 [ 9764.286126][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9764.286126][ T73] net_rx_action+0x495/0xbe0 [ 9764.286126][ T73] __do_softirq+0x1b5/0x7f6 [ 9764.286126][ T73] [ 9764.287774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9764.287774][ T73] netdev_get_by_index+0x5e/0x80 [ 9764.287774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9764.287774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9764.287774][ T73] ip6_route_add+0x1c/0x140 [ 9764.287774][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9764.287774][ T73] inet6_addr_add+0x4f8/0xa40 [ 9764.287774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.287774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.287774][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.287774][ T73] netlink_unicast+0x449/0x710 [ 9764.287774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.287774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.287774][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.287774][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.287774][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.287774][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.287774][ T73] [ 9764.289772][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9764.289772][ T73] netdev_get_by_index+0x5e/0x80 [ 9764.289772][ T73] fib6_nh_init+0x3d8/0x1580 [ 9764.289772][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9764.289772][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9764.289772][ T73] ipv6_add_addr+0x411/0x2000 [ 9764.289772][ T73] inet6_addr_add+0x30e/0xa40 [ 9764.289772][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.289772][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.289772][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.289772][ T73] netlink_unicast+0x449/0x710 [ 9764.289772][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.289772][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.289772][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.289772][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.289772][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.289772][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.289772][ T73] [ 9764.291755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9764.291755][ T73] netdev_get_by_index+0x5e/0x80 [ 9764.291755][ T73] fib6_nh_init+0x3d8/0x1580 [ 9764.291755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9764.291755][ T73] ip6_route_add+0x1c/0x140 [ 9764.291755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9764.291755][ T73] addrconf_add_dev+0xe2/0x170 [ 9764.291755][ T73] inet6_addr_add+0x12f/0xa40 [ 9764.291755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.291755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.291755][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.291755][ T73] netlink_unicast+0x449/0x710 [ 9764.291755][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.291755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.291755][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.291755][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.291755][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.291755][ T73] [ 9764.293710][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9764.293710][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9764.293710][ T73] ipv6_find_idev+0x102/0x170 [ 9764.293710][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9764.293710][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.293710][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.293710][ T73] netlink_unicast+0x449/0x710 [ 9764.293710][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.293710][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.293710][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.293710][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.293710][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.293710][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.293710][ T73] [ 9764.295237][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9764.295237][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9764.295237][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9764.295237][ T73] ipv6_find_idev+0x102/0x170 [ 9764.295237][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9764.295237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.295237][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.295237][ T73] netlink_unicast+0x449/0x710 [ 9764.295237][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.295237][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.295237][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.295237][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.295237][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.295237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.295237][ T73] [ 9764.296900][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9764.297134][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9764.297134][ T73] dst_init+0x84/0x4a0 [ 9764.297134][ T73] dst_alloc+0x97/0x150 [ 9764.297134][ T73] ip6_dst_alloc+0x23/0x90 [ 9764.297134][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9764.297134][ T73] ip6_pol_route+0x56f/0x840 [ 9764.297134][ T73] fib6_rule_lookup+0x456/0x630 [ 9764.297134][ T73] ip6_route_input+0x59c/0xa50 [ 9764.297134][ T73] ipv6_rcv+0x397/0x810 [ 9764.297134][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9764.297134][ T73] process_backlog+0x101/0x620 [ 9764.297134][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9764.297134][ T73] net_rx_action+0x495/0xbe0 [ 9764.297134][ T73] __do_softirq+0x1b5/0x7f6 [ 9764.297134][ T73] [ 9764.298762][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9764.298762][ T73] netdev_get_by_index+0x5e/0x80 [ 9764.298762][ T73] fib6_nh_init+0x3d8/0x1580 [ 9764.298762][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9764.298762][ T73] ip6_route_add+0x1c/0x140 [ 9764.298762][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9764.298762][ T73] inet6_addr_add+0x4f8/0xa40 [ 9764.298762][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.298762][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.298762][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.298762][ T73] netlink_unicast+0x449/0x710 [ 9764.298762][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.298762][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.298762][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.298762][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.298762][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.298762][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.298762][ T73] [ 9764.300740][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9764.300740][ T73] netdev_get_by_index+0x5e/0x80 [ 9764.300740][ T73] fib6_nh_init+0x3d8/0x1580 [ 9764.300740][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9764.300740][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9764.300740][ T73] ipv6_add_addr+0x411/0x2000 [ 9764.300740][ T73] inet6_addr_add+0x30e/0xa40 [ 9764.300740][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.300740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.300740][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.300740][ T73] netlink_unicast+0x449/0x710 [ 9764.300740][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.300740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.300740][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.300740][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.300740][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.300740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.300740][ T73] [ 9764.302719][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9764.302719][ T73] netdev_get_by_index+0x5e/0x80 [ 9764.302719][ T73] fib6_nh_init+0x3d8/0x1580 [ 9764.302719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9764.302719][ T73] ip6_route_add+0x1c/0x140 [ 9764.302719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9764.302719][ T73] addrconf_add_dev+0xe2/0x170 [ 9764.302719][ T73] inet6_addr_add+0x12f/0xa40 [ 9764.302719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9764.302719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.302719][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.302719][ T73] netlink_unicast+0x449/0x710 [ 9764.302719][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.302719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.302719][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.302719][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.302719][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.302719][ T73] [ 9764.304787][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9764.304787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9764.304787][ T73] ipv6_find_idev+0x102/0x170 [ 9764.304787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9764.304787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.304787][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.304787][ T73] netlink_unicast+0x449/0x710 [ 9764.304787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.304787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.304787][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.304787][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.304787][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.304787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.304787][ T73] [ 9764.306316][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9764.306316][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9764.306316][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9764.306316][ T73] ipv6_find_idev+0x102/0x170 [ 9764.306316][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9764.306316][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9764.306316][ T73] netlink_rcv_skb+0x130/0x360 [ 9764.306316][ T73] netlink_unicast+0x449/0x710 [ 9764.306316][ T73] netlink_sendmsg+0x723/0xbe0 [ 9764.306316][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9764.306316][ T73] ___sys_sendmsg+0xee/0x170 [ 9764.306316][ T73] __sys_sendmsg+0xcd/0x170 [ 9764.306316][ T73] do_syscall_64+0xc6/0x1e0 [ 9764.306316][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9764.306316][ T73] [ 9770.981704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9770.982128][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9770.982128][ T1076] netdev_get_by_index+0x5e/0x80 [ 9770.982128][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9770.982128][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9770.982128][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9770.982128][ T1076] ipv6_add_addr+0x411/0x2000 [ 9770.982128][ T1076] inet6_addr_add+0x30e/0xa40 [ 9770.982128][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9770.982128][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.982128][ T1076] netlink_rcv_skb+0x130/0x360 [ 9770.982128][ T1076] netlink_unicast+0x449/0x710 [ 9770.982128][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9770.982128][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9770.982128][ T1076] ___sys_sendmsg+0xee/0x170 [ 9770.982128][ T1076] __sys_sendmsg+0xcd/0x170 [ 9770.982128][ T1076] do_syscall_64+0xc6/0x1e0 [ 9770.982128][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.982128][ T1076] [ 9770.984399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9770.984399][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9770.984399][ T1076] ipv6_find_idev+0x102/0x170 [ 9770.984399][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9770.984399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.984399][ T1076] netlink_rcv_skb+0x130/0x360 [ 9770.984399][ T1076] netlink_unicast+0x449/0x710 [ 9770.984399][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9770.984399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9770.984399][ T1076] ___sys_sendmsg+0xee/0x170 [ 9770.984399][ T1076] __sys_sendmsg+0xcd/0x170 [ 9770.984399][ T1076] do_syscall_64+0xc6/0x1e0 [ 9770.984399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.984399][ T1076] [ 9770.986123][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9770.986123][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9770.986123][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9770.986123][ T1076] ipv6_find_idev+0x102/0x170 [ 9770.986123][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9770.986123][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9770.986123][ T1076] netlink_rcv_skb+0x130/0x360 [ 9770.986123][ T1076] netlink_unicast+0x449/0x710 [ 9770.986123][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9770.986123][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9770.986123][ T1076] ___sys_sendmsg+0xee/0x170 [ 9770.986123][ T1076] __sys_sendmsg+0xcd/0x170 [ 9770.986123][ T1076] do_syscall_64+0xc6/0x1e0 [ 9770.986123][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9770.986123][ T1076] [ 9774.549697][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9774.550036][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9774.550036][ T73] dst_init+0x84/0x4a0 [ 9774.550036][ T73] dst_alloc+0x97/0x150 [ 9774.550036][ T73] ip6_dst_alloc+0x23/0x90 [ 9774.550036][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9774.550036][ T73] ip6_pol_route+0x56f/0x840 [ 9774.550036][ T73] fib6_rule_lookup+0x456/0x630 [ 9774.550036][ T73] ip6_route_input+0x59c/0xa50 [ 9774.550036][ T73] ipv6_rcv+0x397/0x810 [ 9774.550036][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9774.550036][ T73] process_backlog+0x101/0x620 [ 9774.550036][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9774.550036][ T73] net_rx_action+0x495/0xbe0 [ 9774.550036][ T73] __do_softirq+0x1b5/0x7f6 [ 9774.550036][ T73] [ 9774.551686][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9774.551686][ T73] netdev_get_by_index+0x5e/0x80 [ 9774.551686][ T73] fib6_nh_init+0x3d8/0x1580 [ 9774.551686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9774.551686][ T73] ip6_route_add+0x1c/0x140 [ 9774.551686][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9774.551686][ T73] inet6_addr_add+0x4f8/0xa40 [ 9774.551686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9774.551686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.551686][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.551686][ T73] netlink_unicast+0x449/0x710 [ 9774.551686][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.551686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.551686][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.551686][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.551686][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.551686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.551686][ T73] [ 9774.553785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9774.553785][ T73] netdev_get_by_index+0x5e/0x80 [ 9774.553785][ T73] fib6_nh_init+0x3d8/0x1580 [ 9774.553785][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9774.553785][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9774.553785][ T73] ipv6_add_addr+0x411/0x2000 [ 9774.553785][ T73] inet6_addr_add+0x30e/0xa40 [ 9774.553785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9774.553785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.553785][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.553785][ T73] netlink_unicast+0x449/0x710 [ 9774.553785][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.553785][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.553785][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.553785][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.553785][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.553785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.553785][ T73] [ 9774.555765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9774.555765][ T73] netdev_get_by_index+0x5e/0x80 [ 9774.555765][ T73] fib6_nh_init+0x3d8/0x1580 [ 9774.555765][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9774.555765][ T73] ip6_route_add+0x1c/0x140 [ 9774.555765][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9774.555765][ T73] addrconf_add_dev+0xe2/0x170 [ 9774.555765][ T73] inet6_addr_add+0x12f/0xa40 [ 9774.555765][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9774.555765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.555765][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.555765][ T73] netlink_unicast+0x449/0x710 [ 9774.555765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.555765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.555765][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.555765][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.555765][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.555765][ T73] [ 9774.557713][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9774.557713][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9774.557713][ T73] ipv6_find_idev+0x102/0x170 [ 9774.557713][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9774.557713][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.557713][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.557713][ T73] netlink_unicast+0x449/0x710 [ 9774.557713][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.557713][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.557713][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.557713][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.557713][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.557713][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.557713][ T73] [ 9774.559250][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9774.559250][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9774.559250][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9774.559250][ T73] ipv6_find_idev+0x102/0x170 [ 9774.559250][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9774.559250][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.559250][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.559250][ T73] netlink_unicast+0x449/0x710 [ 9774.559250][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.559250][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.559250][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.559250][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.559250][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.559250][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.559250][ T73] [ 9774.560931][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9774.561172][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9774.561172][ T73] dst_init+0x84/0x4a0 [ 9774.561172][ T73] dst_alloc+0x97/0x150 [ 9774.561172][ T73] ip6_dst_alloc+0x23/0x90 [ 9774.561172][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9774.561172][ T73] ip6_pol_route+0x56f/0x840 [ 9774.561172][ T73] fib6_rule_lookup+0x456/0x630 [ 9774.561172][ T73] ip6_route_input+0x59c/0xa50 [ 9774.561172][ T73] ipv6_rcv+0x397/0x810 [ 9774.561172][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9774.561172][ T73] process_backlog+0x101/0x620 [ 9774.561172][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9774.561172][ T73] net_rx_action+0x495/0xbe0 [ 9774.561172][ T73] __do_softirq+0x1b5/0x7f6 [ 9774.561172][ T73] [ 9774.562813][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9774.562813][ T73] netdev_get_by_index+0x5e/0x80 [ 9774.562813][ T73] fib6_nh_init+0x3d8/0x1580 [ 9774.562813][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9774.562813][ T73] ip6_route_add+0x1c/0x140 [ 9774.562813][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9774.562813][ T73] inet6_addr_add+0x4f8/0xa40 [ 9774.562813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9774.562813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.562813][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.562813][ T73] netlink_unicast+0x449/0x710 [ 9774.562813][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.562813][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.562813][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.562813][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.562813][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.562813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.562813][ T73] [ 9774.564796][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9774.564796][ T73] netdev_get_by_index+0x5e/0x80 [ 9774.564796][ T73] fib6_nh_init+0x3d8/0x1580 [ 9774.564796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9774.564796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9774.564796][ T73] ipv6_add_addr+0x411/0x2000 [ 9774.564796][ T73] inet6_addr_add+0x30e/0xa40 [ 9774.564796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9774.564796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.564796][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.564796][ T73] netlink_unicast+0x449/0x710 [ 9774.564796][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.564796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.564796][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.564796][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.564796][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.564796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.564796][ T73] [ 9774.566776][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9774.566776][ T73] netdev_get_by_index+0x5e/0x80 [ 9774.566776][ T73] fib6_nh_init+0x3d8/0x1580 [ 9774.566776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9774.566776][ T73] ip6_route_add+0x1c/0x140 [ 9774.566776][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9774.566776][ T73] addrconf_add_dev+0xe2/0x170 [ 9774.566776][ T73] inet6_addr_add+0x12f/0xa40 [ 9774.566776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9774.566776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.566776][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.566776][ T73] netlink_unicast+0x449/0x710 [ 9774.566776][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.566776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.566776][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.566776][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.566776][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.566776][ T73] [ 9774.568733][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9774.568733][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9774.568733][ T73] ipv6_find_idev+0x102/0x170 [ 9774.568733][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9774.568733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.568733][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.568733][ T73] netlink_unicast+0x449/0x710 [ 9774.568733][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.568733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.568733][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.568733][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.568733][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.568733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.568733][ T73] [ 9774.570261][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9774.570261][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9774.570261][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9774.570261][ T73] ipv6_find_idev+0x102/0x170 [ 9774.570261][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9774.570261][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9774.570261][ T73] netlink_rcv_skb+0x130/0x360 [ 9774.570261][ T73] netlink_unicast+0x449/0x710 [ 9774.570261][ T73] netlink_sendmsg+0x723/0xbe0 [ 9774.570261][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9774.570261][ T73] ___sys_sendmsg+0xee/0x170 [ 9774.570261][ T73] __sys_sendmsg+0xcd/0x170 [ 9774.570261][ T73] do_syscall_64+0xc6/0x1e0 [ 9774.570261][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9774.570261][ T73] [ 9781.229654][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9781.230145][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9781.230145][ T1076] netdev_get_by_index+0x5e/0x80 [ 9781.230145][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9781.230145][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9781.230145][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9781.230145][ T1076] ipv6_add_addr+0x411/0x2000 [ 9781.230145][ T1076] inet6_addr_add+0x30e/0xa40 [ 9781.230145][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9781.230145][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.230145][ T1076] netlink_rcv_skb+0x130/0x360 [ 9781.230145][ T1076] netlink_unicast+0x449/0x710 [ 9781.230145][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9781.230145][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9781.230145][ T1076] ___sys_sendmsg+0xee/0x170 [ 9781.230145][ T1076] __sys_sendmsg+0xcd/0x170 [ 9781.230145][ T1076] do_syscall_64+0xc6/0x1e0 [ 9781.230145][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.230145][ T1076] [ 9781.232950][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9781.232950][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9781.232950][ T1076] ipv6_find_idev+0x102/0x170 [ 9781.232950][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9781.232950][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.232950][ T1076] netlink_rcv_skb+0x130/0x360 [ 9781.232950][ T1076] netlink_unicast+0x449/0x710 [ 9781.232950][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9781.232950][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9781.232950][ T1076] ___sys_sendmsg+0xee/0x170 [ 9781.232950][ T1076] __sys_sendmsg+0xcd/0x170 [ 9781.232950][ T1076] do_syscall_64+0xc6/0x1e0 [ 9781.232950][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.232950][ T1076] [ 9781.234693][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9781.234693][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9781.234693][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9781.234693][ T1076] ipv6_find_idev+0x102/0x170 [ 9781.234693][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9781.234693][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9781.234693][ T1076] netlink_rcv_skb+0x130/0x360 [ 9781.234693][ T1076] netlink_unicast+0x449/0x710 [ 9781.234693][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9781.234693][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9781.234693][ T1076] ___sys_sendmsg+0xee/0x170 [ 9781.234693][ T1076] __sys_sendmsg+0xcd/0x170 [ 9781.234693][ T1076] do_syscall_64+0xc6/0x1e0 [ 9781.234693][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9781.234693][ T1076] [ 9784.821776][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9784.822154][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9784.822154][ T73] dst_init+0x84/0x4a0 [ 9784.822154][ T73] dst_alloc+0x97/0x150 [ 9784.822154][ T73] ip6_dst_alloc+0x23/0x90 [ 9784.822154][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9784.822154][ T73] ip6_pol_route+0x56f/0x840 [ 9784.822154][ T73] fib6_rule_lookup+0x456/0x630 [ 9784.822154][ T73] ip6_route_input+0x59c/0xa50 [ 9784.822154][ T73] ipv6_rcv+0x397/0x810 [ 9784.822154][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9784.822154][ T73] process_backlog+0x101/0x620 [ 9784.822154][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9784.822154][ T73] net_rx_action+0x495/0xbe0 [ 9784.822154][ T73] __do_softirq+0x1b5/0x7f6 [ 9784.822154][ T73] [ 9784.823810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9784.823810][ T73] netdev_get_by_index+0x5e/0x80 [ 9784.823810][ T73] fib6_nh_init+0x3d8/0x1580 [ 9784.823810][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9784.823810][ T73] ip6_route_add+0x1c/0x140 [ 9784.823810][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9784.823810][ T73] inet6_addr_add+0x4f8/0xa40 [ 9784.823810][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9784.823810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.823810][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.823810][ T73] netlink_unicast+0x449/0x710 [ 9784.823810][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.823810][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.823810][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.823810][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.823810][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.823810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.823810][ T73] [ 9784.825824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9784.825824][ T73] netdev_get_by_index+0x5e/0x80 [ 9784.825824][ T73] fib6_nh_init+0x3d8/0x1580 [ 9784.825824][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9784.825824][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9784.825824][ T73] ipv6_add_addr+0x411/0x2000 [ 9784.825824][ T73] inet6_addr_add+0x30e/0xa40 [ 9784.825824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9784.825824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.825824][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.825824][ T73] netlink_unicast+0x449/0x710 [ 9784.825824][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.825824][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.825824][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.825824][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.825824][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.825824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.825824][ T73] [ 9784.827821][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9784.827821][ T73] netdev_get_by_index+0x5e/0x80 [ 9784.827821][ T73] fib6_nh_init+0x3d8/0x1580 [ 9784.827821][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9784.827821][ T73] ip6_route_add+0x1c/0x140 [ 9784.827821][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9784.827821][ T73] addrconf_add_dev+0xe2/0x170 [ 9784.827821][ T73] inet6_addr_add+0x12f/0xa40 [ 9784.827821][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9784.827821][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.827821][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.827821][ T73] netlink_unicast+0x449/0x710 [ 9784.827821][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.827821][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.827821][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.827821][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.827821][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.827821][ T73] [ 9784.829788][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9784.829788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9784.829788][ T73] ipv6_find_idev+0x102/0x170 [ 9784.829788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9784.829788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.829788][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.829788][ T73] netlink_unicast+0x449/0x710 [ 9784.829788][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.829788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.829788][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.829788][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.829788][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.829788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.829788][ T73] [ 9784.831320][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9784.831320][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9784.831320][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9784.831320][ T73] ipv6_find_idev+0x102/0x170 [ 9784.831320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9784.831320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.831320][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.831320][ T73] netlink_unicast+0x449/0x710 [ 9784.831320][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.831320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.831320][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.831320][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.831320][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.831320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.831320][ T73] [ 9784.833380][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9784.833623][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9784.833623][ T73] dst_init+0x84/0x4a0 [ 9784.833623][ T73] dst_alloc+0x97/0x150 [ 9784.833623][ T73] ip6_dst_alloc+0x23/0x90 [ 9784.833623][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9784.833623][ T73] ip6_pol_route+0x56f/0x840 [ 9784.833623][ T73] fib6_rule_lookup+0x456/0x630 [ 9784.833623][ T73] ip6_route_input+0x59c/0xa50 [ 9784.833623][ T73] ipv6_rcv+0x397/0x810 [ 9784.833623][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9784.833623][ T73] process_backlog+0x101/0x620 [ 9784.833623][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9784.833623][ T73] net_rx_action+0x495/0xbe0 [ 9784.833623][ T73] __do_softirq+0x1b5/0x7f6 [ 9784.833623][ T73] [ 9784.835252][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9784.835252][ T73] netdev_get_by_index+0x5e/0x80 [ 9784.835252][ T73] fib6_nh_init+0x3d8/0x1580 [ 9784.835252][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9784.835252][ T73] ip6_route_add+0x1c/0x140 [ 9784.835252][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9784.835252][ T73] inet6_addr_add+0x4f8/0xa40 [ 9784.835252][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9784.835252][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.835252][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.835252][ T73] netlink_unicast+0x449/0x710 [ 9784.835252][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.835252][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.835252][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.835252][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.835252][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.835252][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.835252][ T73] [ 9784.837238][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9784.837238][ T73] netdev_get_by_index+0x5e/0x80 [ 9784.837238][ T73] fib6_nh_init+0x3d8/0x1580 [ 9784.837238][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9784.837238][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9784.837238][ T73] ipv6_add_addr+0x411/0x2000 [ 9784.837238][ T73] inet6_addr_add+0x30e/0xa40 [ 9784.837238][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9784.837238][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.837238][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.837238][ T73] netlink_unicast+0x449/0x710 [ 9784.837238][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.837238][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.837238][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.837238][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.837238][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.837238][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.837238][ T73] [ 9784.839233][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9784.839233][ T73] netdev_get_by_index+0x5e/0x80 [ 9784.839233][ T73] fib6_nh_init+0x3d8/0x1580 [ 9784.839233][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9784.839233][ T73] ip6_route_add+0x1c/0x140 [ 9784.839233][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9784.839233][ T73] addrconf_add_dev+0xe2/0x170 [ 9784.839233][ T73] inet6_addr_add+0x12f/0xa40 [ 9784.839233][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9784.839233][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.839233][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.839233][ T73] netlink_unicast+0x449/0x710 [ 9784.839233][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.839233][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.839233][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.839233][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.839233][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.839233][ T73] [ 9784.841189][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9784.841189][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9784.841189][ T73] ipv6_find_idev+0x102/0x170 [ 9784.841189][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9784.841189][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.841189][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.841189][ T73] netlink_unicast+0x449/0x710 [ 9784.841189][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.841189][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.841189][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.841189][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.841189][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.841189][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.841189][ T73] [ 9784.842740][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9784.842740][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9784.842740][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9784.842740][ T73] ipv6_find_idev+0x102/0x170 [ 9784.842740][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9784.842740][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9784.842740][ T73] netlink_rcv_skb+0x130/0x360 [ 9784.842740][ T73] netlink_unicast+0x449/0x710 [ 9784.842740][ T73] netlink_sendmsg+0x723/0xbe0 [ 9784.842740][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9784.842740][ T73] ___sys_sendmsg+0xee/0x170 [ 9784.842740][ T73] __sys_sendmsg+0xcd/0x170 [ 9784.842740][ T73] do_syscall_64+0xc6/0x1e0 [ 9784.842740][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9784.842740][ T73] [ 9791.477770][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9791.478273][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9791.478273][ T1076] netdev_get_by_index+0x5e/0x80 [ 9791.478273][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9791.478273][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9791.478273][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9791.478273][ T1076] ipv6_add_addr+0x411/0x2000 [ 9791.478273][ T1076] inet6_addr_add+0x30e/0xa40 [ 9791.478273][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9791.478273][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.478273][ T1076] netlink_rcv_skb+0x130/0x360 [ 9791.478273][ T1076] netlink_unicast+0x449/0x710 [ 9791.478273][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9791.478273][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9791.478273][ T1076] ___sys_sendmsg+0xee/0x170 [ 9791.478273][ T1076] __sys_sendmsg+0xcd/0x170 [ 9791.478273][ T1076] do_syscall_64+0xc6/0x1e0 [ 9791.478273][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.478273][ T1076] [ 9791.480681][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9791.480681][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9791.480681][ T1076] ipv6_find_idev+0x102/0x170 [ 9791.480681][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9791.480681][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.480681][ T1076] netlink_rcv_skb+0x130/0x360 [ 9791.480681][ T1076] netlink_unicast+0x449/0x710 [ 9791.480681][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9791.480681][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9791.480681][ T1076] ___sys_sendmsg+0xee/0x170 [ 9791.480681][ T1076] __sys_sendmsg+0xcd/0x170 [ 9791.480681][ T1076] do_syscall_64+0xc6/0x1e0 [ 9791.480681][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.480681][ T1076] [ 9791.482432][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9791.482432][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9791.482432][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9791.482432][ T1076] ipv6_find_idev+0x102/0x170 [ 9791.482432][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9791.482432][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9791.482432][ T1076] netlink_rcv_skb+0x130/0x360 [ 9791.482432][ T1076] netlink_unicast+0x449/0x710 [ 9791.482432][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9791.482432][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9791.482432][ T1076] ___sys_sendmsg+0xee/0x170 [ 9791.482432][ T1076] __sys_sendmsg+0xcd/0x170 [ 9791.482432][ T1076] do_syscall_64+0xc6/0x1e0 [ 9791.482432][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9791.482432][ T1076] [ 9794.893705][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9794.894082][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9794.894082][ T73] dst_init+0x84/0x4a0 [ 9794.894082][ T73] dst_alloc+0x97/0x150 [ 9794.894082][ T73] ip6_dst_alloc+0x23/0x90 [ 9794.894082][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9794.894082][ T73] ip6_pol_route+0x56f/0x840 [ 9794.894082][ T73] fib6_rule_lookup+0x456/0x630 [ 9794.894082][ T73] ip6_route_input+0x59c/0xa50 [ 9794.894082][ T73] ipv6_rcv+0x397/0x810 [ 9794.894082][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9794.894082][ T73] process_backlog+0x101/0x620 [ 9794.894082][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9794.894082][ T73] net_rx_action+0x495/0xbe0 [ 9794.894082][ T73] __do_softirq+0x1b5/0x7f6 [ 9794.894082][ T73] [ 9794.895736][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9794.895736][ T73] netdev_get_by_index+0x5e/0x80 [ 9794.895736][ T73] fib6_nh_init+0x3d8/0x1580 [ 9794.895736][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9794.895736][ T73] ip6_route_add+0x1c/0x140 [ 9794.895736][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9794.895736][ T73] inet6_addr_add+0x4f8/0xa40 [ 9794.895736][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9794.895736][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.895736][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.895736][ T73] netlink_unicast+0x449/0x710 [ 9794.895736][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.895736][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.895736][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.895736][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.895736][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.895736][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.895736][ T73] [ 9794.897730][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9794.897730][ T73] netdev_get_by_index+0x5e/0x80 [ 9794.897730][ T73] fib6_nh_init+0x3d8/0x1580 [ 9794.897730][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9794.897730][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9794.897730][ T73] ipv6_add_addr+0x411/0x2000 [ 9794.897730][ T73] inet6_addr_add+0x30e/0xa40 [ 9794.897730][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9794.897730][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.897730][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.897730][ T73] netlink_unicast+0x449/0x710 [ 9794.897730][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.897730][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.897730][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.897730][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.897730][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.897730][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.897730][ T73] [ 9794.899719][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9794.899719][ T73] netdev_get_by_index+0x5e/0x80 [ 9794.899719][ T73] fib6_nh_init+0x3d8/0x1580 [ 9794.899719][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9794.899719][ T73] ip6_route_add+0x1c/0x140 [ 9794.899719][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9794.899719][ T73] addrconf_add_dev+0xe2/0x170 [ 9794.899719][ T73] inet6_addr_add+0x12f/0xa40 [ 9794.899719][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9794.899719][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.899719][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.899719][ T73] netlink_unicast+0x449/0x710 [ 9794.899719][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.899719][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.899719][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.899719][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.899719][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.899719][ T73] [ 9794.901667][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9794.901667][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9794.901667][ T73] ipv6_find_idev+0x102/0x170 [ 9794.901667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9794.901667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.901667][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.901667][ T73] netlink_unicast+0x449/0x710 [ 9794.901667][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.901667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.901667][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.901667][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.901667][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.901667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.901667][ T73] [ 9794.903194][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9794.903194][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9794.903194][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9794.903194][ T73] ipv6_find_idev+0x102/0x170 [ 9794.903194][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9794.903194][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.903194][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.903194][ T73] netlink_unicast+0x449/0x710 [ 9794.903194][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.903194][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.903194][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.903194][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.903194][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.903194][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.903194][ T73] [ 9794.904873][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9794.905129][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9794.905129][ T73] dst_init+0x84/0x4a0 [ 9794.905129][ T73] dst_alloc+0x97/0x150 [ 9794.905129][ T73] ip6_dst_alloc+0x23/0x90 [ 9794.905129][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9794.905129][ T73] ip6_pol_route+0x56f/0x840 [ 9794.905129][ T73] fib6_rule_lookup+0x456/0x630 [ 9794.905129][ T73] ip6_route_input+0x59c/0xa50 [ 9794.905129][ T73] ipv6_rcv+0x397/0x810 [ 9794.905129][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9794.905129][ T73] process_backlog+0x101/0x620 [ 9794.905129][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9794.905129][ T73] net_rx_action+0x495/0xbe0 [ 9794.905129][ T73] __do_softirq+0x1b5/0x7f6 [ 9794.905129][ T73] [ 9794.907108][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9794.907108][ T73] netdev_get_by_index+0x5e/0x80 [ 9794.907108][ T73] fib6_nh_init+0x3d8/0x1580 [ 9794.907108][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9794.907108][ T73] ip6_route_add+0x1c/0x140 [ 9794.907108][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9794.907108][ T73] inet6_addr_add+0x4f8/0xa40 [ 9794.907108][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9794.907108][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.907108][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.907108][ T73] netlink_unicast+0x449/0x710 [ 9794.907108][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.907108][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.907108][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.907108][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.907108][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.907108][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.907108][ T73] [ 9794.909107][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9794.909107][ T73] netdev_get_by_index+0x5e/0x80 [ 9794.909107][ T73] fib6_nh_init+0x3d8/0x1580 [ 9794.909107][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9794.909107][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9794.909107][ T73] ipv6_add_addr+0x411/0x2000 [ 9794.909107][ T73] inet6_addr_add+0x30e/0xa40 [ 9794.909107][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9794.909107][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.909107][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.909107][ T73] netlink_unicast+0x449/0x710 [ 9794.909107][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.909107][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.909107][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.909107][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.909107][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.909107][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.909107][ T73] [ 9794.911118][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9794.911118][ T73] netdev_get_by_index+0x5e/0x80 [ 9794.911118][ T73] fib6_nh_init+0x3d8/0x1580 [ 9794.911118][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9794.911118][ T73] ip6_route_add+0x1c/0x140 [ 9794.911118][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9794.911118][ T73] addrconf_add_dev+0xe2/0x170 [ 9794.911118][ T73] inet6_addr_add+0x12f/0xa40 [ 9794.911118][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9794.911118][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.911118][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.911118][ T73] netlink_unicast+0x449/0x710 [ 9794.911118][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.911118][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.911118][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.911118][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.911118][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.911118][ T73] [ 9794.913067][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9794.913067][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9794.913067][ T73] ipv6_find_idev+0x102/0x170 [ 9794.913067][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9794.913067][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.913067][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.913067][ T73] netlink_unicast+0x449/0x710 [ 9794.913067][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.913067][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.913067][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.913067][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.913067][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.913067][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.913067][ T73] [ 9794.914599][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9794.914599][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9794.914599][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9794.914599][ T73] ipv6_find_idev+0x102/0x170 [ 9794.914599][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9794.914599][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9794.914599][ T73] netlink_rcv_skb+0x130/0x360 [ 9794.914599][ T73] netlink_unicast+0x449/0x710 [ 9794.914599][ T73] netlink_sendmsg+0x723/0xbe0 [ 9794.914599][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9794.914599][ T73] ___sys_sendmsg+0xee/0x170 [ 9794.914599][ T73] __sys_sendmsg+0xcd/0x170 [ 9794.914599][ T73] do_syscall_64+0xc6/0x1e0 [ 9794.914599][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9794.914599][ T73] [ 9801.725699][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9801.726205][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9801.726205][ T1076] netdev_get_by_index+0x5e/0x80 [ 9801.726205][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9801.726205][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9801.726205][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9801.726205][ T1076] ipv6_add_addr+0x411/0x2000 [ 9801.726205][ T1076] inet6_addr_add+0x30e/0xa40 [ 9801.726205][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9801.726205][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.726205][ T1076] netlink_rcv_skb+0x130/0x360 [ 9801.726205][ T1076] netlink_unicast+0x449/0x710 [ 9801.726205][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9801.726205][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9801.726205][ T1076] ___sys_sendmsg+0xee/0x170 [ 9801.726205][ T1076] __sys_sendmsg+0xcd/0x170 [ 9801.726205][ T1076] do_syscall_64+0xc6/0x1e0 [ 9801.726205][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.726205][ T1076] [ 9801.729024][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9801.729024][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9801.729024][ T1076] ipv6_find_idev+0x102/0x170 [ 9801.729024][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9801.729024][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.729024][ T1076] netlink_rcv_skb+0x130/0x360 [ 9801.729024][ T1076] netlink_unicast+0x449/0x710 [ 9801.729024][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9801.729024][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9801.729024][ T1076] ___sys_sendmsg+0xee/0x170 [ 9801.729024][ T1076] __sys_sendmsg+0xcd/0x170 [ 9801.729024][ T1076] do_syscall_64+0xc6/0x1e0 [ 9801.729024][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.729024][ T1076] [ 9801.730762][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9801.730762][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9801.730762][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9801.730762][ T1076] ipv6_find_idev+0x102/0x170 [ 9801.730762][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9801.730762][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9801.730762][ T1076] netlink_rcv_skb+0x130/0x360 [ 9801.730762][ T1076] netlink_unicast+0x449/0x710 [ 9801.730762][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9801.730762][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9801.730762][ T1076] ___sys_sendmsg+0xee/0x170 [ 9801.730762][ T1076] __sys_sendmsg+0xcd/0x170 [ 9801.730762][ T1076] do_syscall_64+0xc6/0x1e0 [ 9801.730762][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9801.730762][ T1076] [ 9805.157770][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9805.158160][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9805.158160][ T73] dst_init+0x84/0x4a0 [ 9805.158160][ T73] dst_alloc+0x97/0x150 [ 9805.158160][ T73] ip6_dst_alloc+0x23/0x90 [ 9805.158160][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9805.158160][ T73] ip6_pol_route+0x56f/0x840 [ 9805.158160][ T73] fib6_rule_lookup+0x456/0x630 [ 9805.158160][ T73] ip6_route_input+0x59c/0xa50 [ 9805.158160][ T73] ipv6_rcv+0x397/0x810 [ 9805.158160][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9805.158160][ T73] process_backlog+0x101/0x620 [ 9805.158160][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9805.158160][ T73] net_rx_action+0x495/0xbe0 [ 9805.158160][ T73] __do_softirq+0x1b5/0x7f6 [ 9805.158160][ T73] [ 9805.159807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9805.159807][ T73] netdev_get_by_index+0x5e/0x80 [ 9805.159807][ T73] fib6_nh_init+0x3d8/0x1580 [ 9805.159807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9805.159807][ T73] ip6_route_add+0x1c/0x140 [ 9805.159807][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9805.159807][ T73] inet6_addr_add+0x4f8/0xa40 [ 9805.159807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.159807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.159807][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.159807][ T73] netlink_unicast+0x449/0x710 [ 9805.159807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.159807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.159807][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.159807][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.159807][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.159807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.159807][ T73] [ 9805.161793][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9805.161793][ T73] netdev_get_by_index+0x5e/0x80 [ 9805.161793][ T73] fib6_nh_init+0x3d8/0x1580 [ 9805.161793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9805.161793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9805.161793][ T73] ipv6_add_addr+0x411/0x2000 [ 9805.161793][ T73] inet6_addr_add+0x30e/0xa40 [ 9805.161793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.161793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.161793][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.161793][ T73] netlink_unicast+0x449/0x710 [ 9805.161793][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.161793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.161793][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.161793][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.161793][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.161793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.161793][ T73] [ 9805.163774][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9805.163774][ T73] netdev_get_by_index+0x5e/0x80 [ 9805.163774][ T73] fib6_nh_init+0x3d8/0x1580 [ 9805.163774][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9805.163774][ T73] ip6_route_add+0x1c/0x140 [ 9805.163774][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9805.163774][ T73] addrconf_add_dev+0xe2/0x170 [ 9805.163774][ T73] inet6_addr_add+0x12f/0xa40 [ 9805.163774][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.163774][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.163774][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.163774][ T73] netlink_unicast+0x449/0x710 [ 9805.163774][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.163774][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.163774][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.163774][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.163774][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.163774][ T73] [ 9805.165726][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9805.165726][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9805.165726][ T73] ipv6_find_idev+0x102/0x170 [ 9805.165726][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.165726][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.165726][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.165726][ T73] netlink_unicast+0x449/0x710 [ 9805.165726][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.165726][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.165726][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.165726][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.165726][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.165726][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.165726][ T73] [ 9805.167258][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9805.167258][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9805.167258][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9805.167258][ T73] ipv6_find_idev+0x102/0x170 [ 9805.167258][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.167258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.167258][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.167258][ T73] netlink_unicast+0x449/0x710 [ 9805.167258][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.167258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.167258][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.167258][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.167258][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.167258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.167258][ T73] [ 9805.168969][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9805.169204][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9805.169204][ T73] dst_init+0x84/0x4a0 [ 9805.169204][ T73] dst_alloc+0x97/0x150 [ 9805.169204][ T73] ip6_dst_alloc+0x23/0x90 [ 9805.169204][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9805.169204][ T73] ip6_pol_route+0x56f/0x840 [ 9805.169204][ T73] fib6_rule_lookup+0x456/0x630 [ 9805.169204][ T73] ip6_route_input+0x59c/0xa50 [ 9805.169204][ T73] ipv6_rcv+0x397/0x810 [ 9805.169204][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9805.169204][ T73] process_backlog+0x101/0x620 [ 9805.169204][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9805.169204][ T73] net_rx_action+0x495/0xbe0 [ 9805.169204][ T73] __do_softirq+0x1b5/0x7f6 [ 9805.169204][ T73] [ 9805.171262][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9805.171262][ T73] netdev_get_by_index+0x5e/0x80 [ 9805.171262][ T73] fib6_nh_init+0x3d8/0x1580 [ 9805.171262][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9805.171262][ T73] ip6_route_add+0x1c/0x140 [ 9805.171262][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9805.171262][ T73] inet6_addr_add+0x4f8/0xa40 [ 9805.171262][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.171262][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.171262][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.171262][ T73] netlink_unicast+0x449/0x710 [ 9805.171262][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.171262][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.171262][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.171262][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.171262][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.171262][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.171262][ T73] [ 9805.173258][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9805.173258][ T73] netdev_get_by_index+0x5e/0x80 [ 9805.173258][ T73] fib6_nh_init+0x3d8/0x1580 [ 9805.173258][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9805.173258][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9805.173258][ T73] ipv6_add_addr+0x411/0x2000 [ 9805.173258][ T73] inet6_addr_add+0x30e/0xa40 [ 9805.173258][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.173258][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.173258][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.173258][ T73] netlink_unicast+0x449/0x710 [ 9805.173258][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.173258][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.173258][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.173258][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.173258][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.173258][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.173258][ T73] [ 9805.175260][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9805.175260][ T73] netdev_get_by_index+0x5e/0x80 [ 9805.175260][ T73] fib6_nh_init+0x3d8/0x1580 [ 9805.175260][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9805.175260][ T73] ip6_route_add+0x1c/0x140 [ 9805.175260][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9805.175260][ T73] addrconf_add_dev+0xe2/0x170 [ 9805.175260][ T73] inet6_addr_add+0x12f/0xa40 [ 9805.175260][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9805.175260][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.175260][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.175260][ T73] netlink_unicast+0x449/0x710 [ 9805.175260][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.175260][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.175260][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.175260][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.175260][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.175260][ T73] [ 9805.177224][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9805.177224][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9805.177224][ T73] ipv6_find_idev+0x102/0x170 [ 9805.177224][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.177224][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.177224][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.177224][ T73] netlink_unicast+0x449/0x710 [ 9805.177224][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.177224][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.177224][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.177224][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.177224][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.177224][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.177224][ T73] [ 9805.178763][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9805.178763][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9805.178763][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9805.178763][ T73] ipv6_find_idev+0x102/0x170 [ 9805.178763][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9805.178763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9805.178763][ T73] netlink_rcv_skb+0x130/0x360 [ 9805.178763][ T73] netlink_unicast+0x449/0x710 [ 9805.178763][ T73] netlink_sendmsg+0x723/0xbe0 [ 9805.178763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9805.178763][ T73] ___sys_sendmsg+0xee/0x170 [ 9805.178763][ T73] __sys_sendmsg+0xcd/0x170 [ 9805.178763][ T73] do_syscall_64+0xc6/0x1e0 [ 9805.178763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9805.178763][ T73] [ 9811.973783][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9811.974284][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9811.974284][ T1076] netdev_get_by_index+0x5e/0x80 [ 9811.974284][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9811.974284][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9811.974284][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9811.974284][ T1076] ipv6_add_addr+0x411/0x2000 [ 9811.974284][ T1076] inet6_addr_add+0x30e/0xa40 [ 9811.974284][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9811.974284][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.974284][ T1076] netlink_rcv_skb+0x130/0x360 [ 9811.974284][ T1076] netlink_unicast+0x449/0x710 [ 9811.974284][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9811.974284][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9811.974284][ T1076] ___sys_sendmsg+0xee/0x170 [ 9811.974284][ T1076] __sys_sendmsg+0xcd/0x170 [ 9811.974284][ T1076] do_syscall_64+0xc6/0x1e0 [ 9811.974284][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.974284][ T1076] [ 9811.976671][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9811.976671][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9811.976671][ T1076] ipv6_find_idev+0x102/0x170 [ 9811.976671][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9811.976671][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.976671][ T1076] netlink_rcv_skb+0x130/0x360 [ 9811.976671][ T1076] netlink_unicast+0x449/0x710 [ 9811.976671][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9811.976671][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9811.976671][ T1076] ___sys_sendmsg+0xee/0x170 [ 9811.976671][ T1076] __sys_sendmsg+0xcd/0x170 [ 9811.976671][ T1076] do_syscall_64+0xc6/0x1e0 [ 9811.976671][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.976671][ T1076] [ 9811.978438][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9811.978438][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9811.978438][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9811.978438][ T1076] ipv6_find_idev+0x102/0x170 [ 9811.978438][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9811.978438][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9811.978438][ T1076] netlink_rcv_skb+0x130/0x360 [ 9811.978438][ T1076] netlink_unicast+0x449/0x710 [ 9811.978438][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9811.978438][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9811.978438][ T1076] ___sys_sendmsg+0xee/0x170 [ 9811.978438][ T1076] __sys_sendmsg+0xcd/0x170 [ 9811.978438][ T1076] do_syscall_64+0xc6/0x1e0 [ 9811.978438][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9811.978438][ T1076] [ 9815.421717][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9815.422090][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9815.422090][ T73] dst_init+0x84/0x4a0 [ 9815.422090][ T73] dst_alloc+0x97/0x150 [ 9815.422090][ T73] ip6_dst_alloc+0x23/0x90 [ 9815.422090][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9815.422090][ T73] ip6_pol_route+0x56f/0x840 [ 9815.422090][ T73] fib6_rule_lookup+0x456/0x630 [ 9815.422090][ T73] ip6_route_input+0x59c/0xa50 [ 9815.422090][ T73] ipv6_rcv+0x397/0x810 [ 9815.422090][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9815.422090][ T73] process_backlog+0x101/0x620 [ 9815.422090][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9815.422090][ T73] net_rx_action+0x495/0xbe0 [ 9815.422090][ T73] __do_softirq+0x1b5/0x7f6 [ 9815.422090][ T73] [ 9815.423735][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9815.423735][ T73] netdev_get_by_index+0x5e/0x80 [ 9815.423735][ T73] fib6_nh_init+0x3d8/0x1580 [ 9815.423735][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9815.423735][ T73] ip6_route_add+0x1c/0x140 [ 9815.423735][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9815.423735][ T73] inet6_addr_add+0x4f8/0xa40 [ 9815.423735][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.423735][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.423735][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.423735][ T73] netlink_unicast+0x449/0x710 [ 9815.423735][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.423735][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.423735][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.423735][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.423735][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.423735][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.423735][ T73] [ 9815.425728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9815.425728][ T73] netdev_get_by_index+0x5e/0x80 [ 9815.425728][ T73] fib6_nh_init+0x3d8/0x1580 [ 9815.425728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9815.425728][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9815.425728][ T73] ipv6_add_addr+0x411/0x2000 [ 9815.425728][ T73] inet6_addr_add+0x30e/0xa40 [ 9815.425728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.425728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.425728][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.425728][ T73] netlink_unicast+0x449/0x710 [ 9815.425728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.425728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.425728][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.425728][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.425728][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.425728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.425728][ T73] [ 9815.427703][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9815.427703][ T73] netdev_get_by_index+0x5e/0x80 [ 9815.427703][ T73] fib6_nh_init+0x3d8/0x1580 [ 9815.427703][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9815.427703][ T73] ip6_route_add+0x1c/0x140 [ 9815.427703][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9815.427703][ T73] addrconf_add_dev+0xe2/0x170 [ 9815.427703][ T73] inet6_addr_add+0x12f/0xa40 [ 9815.427703][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.427703][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.427703][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.427703][ T73] netlink_unicast+0x449/0x710 [ 9815.427703][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.427703][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.427703][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.427703][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.427703][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.427703][ T73] [ 9815.429650][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9815.429650][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9815.429650][ T73] ipv6_find_idev+0x102/0x170 [ 9815.429650][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9815.429650][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.429650][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.429650][ T73] netlink_unicast+0x449/0x710 [ 9815.429650][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.429650][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.429650][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.429650][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.429650][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.429650][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.429650][ T73] [ 9815.431172][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9815.431172][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9815.431172][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9815.431172][ T73] ipv6_find_idev+0x102/0x170 [ 9815.431172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9815.431172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.431172][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.431172][ T73] netlink_unicast+0x449/0x710 [ 9815.431172][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.431172][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.431172][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.431172][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.431172][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.431172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.431172][ T73] [ 9815.432837][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9815.433079][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9815.433079][ T73] dst_init+0x84/0x4a0 [ 9815.433079][ T73] dst_alloc+0x97/0x150 [ 9815.433079][ T73] ip6_dst_alloc+0x23/0x90 [ 9815.433079][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9815.433079][ T73] ip6_pol_route+0x56f/0x840 [ 9815.433079][ T73] fib6_rule_lookup+0x456/0x630 [ 9815.433079][ T73] ip6_route_input+0x59c/0xa50 [ 9815.433079][ T73] ipv6_rcv+0x397/0x810 [ 9815.433079][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9815.433079][ T73] process_backlog+0x101/0x620 [ 9815.433079][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9815.433079][ T73] net_rx_action+0x495/0xbe0 [ 9815.433079][ T73] __do_softirq+0x1b5/0x7f6 [ 9815.433079][ T73] [ 9815.434695][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9815.434695][ T73] netdev_get_by_index+0x5e/0x80 [ 9815.434695][ T73] fib6_nh_init+0x3d8/0x1580 [ 9815.434695][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9815.434695][ T73] ip6_route_add+0x1c/0x140 [ 9815.434695][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9815.434695][ T73] inet6_addr_add+0x4f8/0xa40 [ 9815.434695][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.434695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.434695][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.434695][ T73] netlink_unicast+0x449/0x710 [ 9815.434695][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.434695][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.434695][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.434695][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.434695][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.434695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.434695][ T73] [ 9815.436669][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9815.436669][ T73] netdev_get_by_index+0x5e/0x80 [ 9815.436669][ T73] fib6_nh_init+0x3d8/0x1580 [ 9815.436669][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9815.436669][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9815.436669][ T73] ipv6_add_addr+0x411/0x2000 [ 9815.436669][ T73] inet6_addr_add+0x30e/0xa40 [ 9815.436669][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.436669][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.436669][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.436669][ T73] netlink_unicast+0x449/0x710 [ 9815.436669][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.436669][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.436669][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.436669][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.436669][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.436669][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.436669][ T73] [ 9815.438701][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9815.438701][ T73] netdev_get_by_index+0x5e/0x80 [ 9815.438701][ T73] fib6_nh_init+0x3d8/0x1580 [ 9815.438701][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9815.438701][ T73] ip6_route_add+0x1c/0x140 [ 9815.438701][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9815.438701][ T73] addrconf_add_dev+0xe2/0x170 [ 9815.438701][ T73] inet6_addr_add+0x12f/0xa40 [ 9815.438701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9815.438701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.438701][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.438701][ T73] netlink_unicast+0x449/0x710 [ 9815.438701][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.438701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.438701][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.438701][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.438701][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.438701][ T73] [ 9815.440659][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9815.440659][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9815.440659][ T73] ipv6_find_idev+0x102/0x170 [ 9815.440659][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9815.440659][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.440659][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.440659][ T73] netlink_unicast+0x449/0x710 [ 9815.440659][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.440659][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.440659][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.440659][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.440659][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.440659][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.440659][ T73] [ 9815.442188][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9815.442188][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9815.442188][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9815.442188][ T73] ipv6_find_idev+0x102/0x170 [ 9815.442188][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9815.442188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9815.442188][ T73] netlink_rcv_skb+0x130/0x360 [ 9815.442188][ T73] netlink_unicast+0x449/0x710 [ 9815.442188][ T73] netlink_sendmsg+0x723/0xbe0 [ 9815.442188][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9815.442188][ T73] ___sys_sendmsg+0xee/0x170 [ 9815.442188][ T73] __sys_sendmsg+0xcd/0x170 [ 9815.442188][ T73] do_syscall_64+0xc6/0x1e0 [ 9815.442188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9815.442188][ T73] [ 9822.221706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9822.222152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9822.222152][ T1076] netdev_get_by_index+0x5e/0x80 [ 9822.222152][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9822.222152][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9822.222152][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9822.222152][ T1076] ipv6_add_addr+0x411/0x2000 [ 9822.222152][ T1076] inet6_addr_add+0x30e/0xa40 [ 9822.222152][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9822.222152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.222152][ T1076] netlink_rcv_skb+0x130/0x360 [ 9822.222152][ T1076] netlink_unicast+0x449/0x710 [ 9822.222152][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9822.222152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9822.222152][ T1076] ___sys_sendmsg+0xee/0x170 [ 9822.222152][ T1076] __sys_sendmsg+0xcd/0x170 [ 9822.222152][ T1076] do_syscall_64+0xc6/0x1e0 [ 9822.222152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.222152][ T1076] [ 9822.224446][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9822.224446][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9822.224446][ T1076] ipv6_find_idev+0x102/0x170 [ 9822.224446][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9822.224446][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.224446][ T1076] netlink_rcv_skb+0x130/0x360 [ 9822.224446][ T1076] netlink_unicast+0x449/0x710 [ 9822.224446][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9822.224446][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9822.224446][ T1076] ___sys_sendmsg+0xee/0x170 [ 9822.224446][ T1076] __sys_sendmsg+0xcd/0x170 [ 9822.224446][ T1076] do_syscall_64+0xc6/0x1e0 [ 9822.224446][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.224446][ T1076] [ 9822.226192][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9822.226192][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9822.226192][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9822.226192][ T1076] ipv6_find_idev+0x102/0x170 [ 9822.226192][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9822.226192][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9822.226192][ T1076] netlink_rcv_skb+0x130/0x360 [ 9822.226192][ T1076] netlink_unicast+0x449/0x710 [ 9822.226192][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9822.226192][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9822.226192][ T1076] ___sys_sendmsg+0xee/0x170 [ 9822.226192][ T1076] __sys_sendmsg+0xcd/0x170 [ 9822.226192][ T1076] do_syscall_64+0xc6/0x1e0 [ 9822.226192][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9822.226192][ T1076] [ 9825.685639][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9825.685970][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9825.685970][ T73] dst_init+0x84/0x4a0 [ 9825.685970][ T73] dst_alloc+0x97/0x150 [ 9825.685970][ T73] ip6_dst_alloc+0x23/0x90 [ 9825.685970][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9825.685970][ T73] ip6_pol_route+0x56f/0x840 [ 9825.685970][ T73] fib6_rule_lookup+0x456/0x630 [ 9825.685970][ T73] ip6_route_input+0x59c/0xa50 [ 9825.685970][ T73] ipv6_rcv+0x397/0x810 [ 9825.685970][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9825.685970][ T73] process_backlog+0x101/0x620 [ 9825.685970][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9825.685970][ T73] net_rx_action+0x495/0xbe0 [ 9825.685970][ T73] __do_softirq+0x1b5/0x7f6 [ 9825.685970][ T73] [ 9825.687629][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9825.687629][ T73] netdev_get_by_index+0x5e/0x80 [ 9825.687629][ T73] fib6_nh_init+0x3d8/0x1580 [ 9825.687629][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9825.687629][ T73] ip6_route_add+0x1c/0x140 [ 9825.687629][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9825.687629][ T73] inet6_addr_add+0x4f8/0xa40 [ 9825.687629][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9825.687629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.687629][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.687629][ T73] netlink_unicast+0x449/0x710 [ 9825.687629][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.687629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.687629][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.687629][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.687629][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.687629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.687629][ T73] [ 9825.689626][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9825.689626][ T73] netdev_get_by_index+0x5e/0x80 [ 9825.689626][ T73] fib6_nh_init+0x3d8/0x1580 [ 9825.689626][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9825.689626][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9825.689626][ T73] ipv6_add_addr+0x411/0x2000 [ 9825.689626][ T73] inet6_addr_add+0x30e/0xa40 [ 9825.689626][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9825.689626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.689626][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.689626][ T73] netlink_unicast+0x449/0x710 [ 9825.689626][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.689626][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.689626][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.689626][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.689626][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.689626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.689626][ T73] [ 9825.691619][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9825.691619][ T73] netdev_get_by_index+0x5e/0x80 [ 9825.691619][ T73] fib6_nh_init+0x3d8/0x1580 [ 9825.691619][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9825.691619][ T73] ip6_route_add+0x1c/0x140 [ 9825.691619][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9825.691619][ T73] addrconf_add_dev+0xe2/0x170 [ 9825.691619][ T73] inet6_addr_add+0x12f/0xa40 [ 9825.691619][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9825.691619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.691619][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.691619][ T73] netlink_unicast+0x449/0x710 [ 9825.691619][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.691619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.691619][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.691619][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.691619][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.691619][ T73] [ 9825.693578][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9825.693578][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9825.693578][ T73] ipv6_find_idev+0x102/0x170 [ 9825.693578][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9825.693578][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.693578][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.693578][ T73] netlink_unicast+0x449/0x710 [ 9825.693578][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.693578][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.693578][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.693578][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.693578][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.693578][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.693578][ T73] [ 9825.695112][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9825.695112][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9825.695112][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9825.695112][ T73] ipv6_find_idev+0x102/0x170 [ 9825.695112][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9825.695112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.695112][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.695112][ T73] netlink_unicast+0x449/0x710 [ 9825.695112][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.695112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.695112][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.695112][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.695112][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.695112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.695112][ T73] [ 9825.696802][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9825.697044][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9825.697044][ T73] dst_init+0x84/0x4a0 [ 9825.697044][ T73] dst_alloc+0x97/0x150 [ 9825.697044][ T73] ip6_dst_alloc+0x23/0x90 [ 9825.697044][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9825.697044][ T73] ip6_pol_route+0x56f/0x840 [ 9825.697044][ T73] fib6_rule_lookup+0x456/0x630 [ 9825.697044][ T73] ip6_route_input+0x59c/0xa50 [ 9825.697044][ T73] ipv6_rcv+0x397/0x810 [ 9825.697044][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9825.697044][ T73] process_backlog+0x101/0x620 [ 9825.697044][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9825.697044][ T73] net_rx_action+0x495/0xbe0 [ 9825.697044][ T73] __do_softirq+0x1b5/0x7f6 [ 9825.697044][ T73] [ 9825.698697][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9825.698697][ T73] netdev_get_by_index+0x5e/0x80 [ 9825.698697][ T73] fib6_nh_init+0x3d8/0x1580 [ 9825.698697][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9825.698697][ T73] ip6_route_add+0x1c/0x140 [ 9825.698697][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9825.698697][ T73] inet6_addr_add+0x4f8/0xa40 [ 9825.698697][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9825.698697][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.698697][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.698697][ T73] netlink_unicast+0x449/0x710 [ 9825.698697][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.698697][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.698697][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.698697][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.698697][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.698697][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.698697][ T73] [ 9825.700686][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9825.700686][ T73] netdev_get_by_index+0x5e/0x80 [ 9825.700686][ T73] fib6_nh_init+0x3d8/0x1580 [ 9825.700686][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9825.700686][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9825.700686][ T73] ipv6_add_addr+0x411/0x2000 [ 9825.700686][ T73] inet6_addr_add+0x30e/0xa40 [ 9825.700686][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9825.700686][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.700686][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.700686][ T73] netlink_unicast+0x449/0x710 [ 9825.700686][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.700686][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.700686][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.700686][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.700686][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.700686][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.700686][ T73] [ 9825.702676][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9825.702676][ T73] netdev_get_by_index+0x5e/0x80 [ 9825.702676][ T73] fib6_nh_init+0x3d8/0x1580 [ 9825.702676][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9825.702676][ T73] ip6_route_add+0x1c/0x140 [ 9825.702676][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9825.702676][ T73] addrconf_add_dev+0xe2/0x170 [ 9825.702676][ T73] inet6_addr_add+0x12f/0xa40 [ 9825.702676][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9825.702676][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.702676][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.702676][ T73] netlink_unicast+0x449/0x710 [ 9825.702676][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.702676][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.702676][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.702676][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.702676][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.702676][ T73] [ 9825.704640][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9825.704640][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9825.704640][ T73] ipv6_find_idev+0x102/0x170 [ 9825.704640][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9825.704640][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.704640][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.704640][ T73] netlink_unicast+0x449/0x710 [ 9825.704640][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.704640][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.704640][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.704640][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.704640][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.704640][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.704640][ T73] [ 9825.706173][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9825.706173][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9825.706173][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9825.706173][ T73] ipv6_find_idev+0x102/0x170 [ 9825.706173][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9825.706173][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9825.706173][ T73] netlink_rcv_skb+0x130/0x360 [ 9825.706173][ T73] netlink_unicast+0x449/0x710 [ 9825.706173][ T73] netlink_sendmsg+0x723/0xbe0 [ 9825.706173][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9825.706173][ T73] ___sys_sendmsg+0xee/0x170 [ 9825.706173][ T73] __sys_sendmsg+0xcd/0x170 [ 9825.706173][ T73] do_syscall_64+0xc6/0x1e0 [ 9825.706173][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9825.706173][ T73] [ 9832.469713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9832.470219][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9832.470219][ T1076] netdev_get_by_index+0x5e/0x80 [ 9832.470219][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9832.470219][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9832.470219][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9832.470219][ T1076] ipv6_add_addr+0x411/0x2000 [ 9832.470219][ T1076] inet6_addr_add+0x30e/0xa40 [ 9832.470219][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9832.470219][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.470219][ T1076] netlink_rcv_skb+0x130/0x360 [ 9832.470219][ T1076] netlink_unicast+0x449/0x710 [ 9832.470219][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9832.470219][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9832.470219][ T1076] ___sys_sendmsg+0xee/0x170 [ 9832.470219][ T1076] __sys_sendmsg+0xcd/0x170 [ 9832.470219][ T1076] do_syscall_64+0xc6/0x1e0 [ 9832.470219][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.470219][ T1076] [ 9832.472512][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9832.472512][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9832.472512][ T1076] ipv6_find_idev+0x102/0x170 [ 9832.472512][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9832.472512][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.472512][ T1076] netlink_rcv_skb+0x130/0x360 [ 9832.472512][ T1076] netlink_unicast+0x449/0x710 [ 9832.472512][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9832.472512][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9832.472512][ T1076] ___sys_sendmsg+0xee/0x170 [ 9832.472512][ T1076] __sys_sendmsg+0xcd/0x170 [ 9832.472512][ T1076] do_syscall_64+0xc6/0x1e0 [ 9832.472512][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.472512][ T1076] [ 9832.474256][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9832.474256][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9832.474256][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9832.474256][ T1076] ipv6_find_idev+0x102/0x170 [ 9832.474256][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9832.474256][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9832.474256][ T1076] netlink_rcv_skb+0x130/0x360 [ 9832.474256][ T1076] netlink_unicast+0x449/0x710 [ 9832.474256][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9832.474256][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9832.474256][ T1076] ___sys_sendmsg+0xee/0x170 [ 9832.474256][ T1076] __sys_sendmsg+0xcd/0x170 [ 9832.474256][ T1076] do_syscall_64+0xc6/0x1e0 [ 9832.474256][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9832.474256][ T1076] [ 9835.949728][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9835.950120][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9835.950120][ T73] dst_init+0x84/0x4a0 [ 9835.950120][ T73] dst_alloc+0x97/0x150 [ 9835.950120][ T73] ip6_dst_alloc+0x23/0x90 [ 9835.950120][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9835.950120][ T73] ip6_pol_route+0x56f/0x840 [ 9835.950120][ T73] fib6_rule_lookup+0x456/0x630 [ 9835.950120][ T73] ip6_route_input+0x59c/0xa50 [ 9835.950120][ T73] ipv6_rcv+0x397/0x810 [ 9835.950120][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9835.950120][ T73] process_backlog+0x101/0x620 [ 9835.950120][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9835.950120][ T73] net_rx_action+0x495/0xbe0 [ 9835.950120][ T73] __do_softirq+0x1b5/0x7f6 [ 9835.950120][ T73] [ 9835.951768][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9835.951768][ T73] netdev_get_by_index+0x5e/0x80 [ 9835.951768][ T73] fib6_nh_init+0x3d8/0x1580 [ 9835.951768][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9835.951768][ T73] ip6_route_add+0x1c/0x140 [ 9835.951768][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9835.951768][ T73] inet6_addr_add+0x4f8/0xa40 [ 9835.951768][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9835.951768][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.951768][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.951768][ T73] netlink_unicast+0x449/0x710 [ 9835.951768][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.951768][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.951768][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.951768][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.951768][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.951768][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.951768][ T73] [ 9835.953758][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9835.953758][ T73] netdev_get_by_index+0x5e/0x80 [ 9835.953758][ T73] fib6_nh_init+0x3d8/0x1580 [ 9835.953758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9835.953758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9835.953758][ T73] ipv6_add_addr+0x411/0x2000 [ 9835.953758][ T73] inet6_addr_add+0x30e/0xa40 [ 9835.953758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9835.953758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.953758][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.953758][ T73] netlink_unicast+0x449/0x710 [ 9835.953758][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.953758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.953758][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.953758][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.953758][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.953758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.953758][ T73] [ 9835.955747][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9835.955747][ T73] netdev_get_by_index+0x5e/0x80 [ 9835.955747][ T73] fib6_nh_init+0x3d8/0x1580 [ 9835.955747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9835.955747][ T73] ip6_route_add+0x1c/0x140 [ 9835.955747][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9835.955747][ T73] addrconf_add_dev+0xe2/0x170 [ 9835.955747][ T73] inet6_addr_add+0x12f/0xa40 [ 9835.955747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9835.955747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.955747][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.955747][ T73] netlink_unicast+0x449/0x710 [ 9835.955747][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.955747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.955747][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.955747][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.955747][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.955747][ T73] [ 9835.957729][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9835.957729][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9835.957729][ T73] ipv6_find_idev+0x102/0x170 [ 9835.957729][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9835.957729][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.957729][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.957729][ T73] netlink_unicast+0x449/0x710 [ 9835.957729][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.957729][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.957729][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.957729][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.957729][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.957729][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.957729][ T73] [ 9835.959280][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9835.959280][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9835.959280][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9835.959280][ T73] ipv6_find_idev+0x102/0x170 [ 9835.959280][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9835.959280][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.959280][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.959280][ T73] netlink_unicast+0x449/0x710 [ 9835.959280][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.959280][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.959280][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.959280][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.959280][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.959280][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.959280][ T73] [ 9835.960961][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9835.961198][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9835.961198][ T73] dst_init+0x84/0x4a0 [ 9835.961198][ T73] dst_alloc+0x97/0x150 [ 9835.961198][ T73] ip6_dst_alloc+0x23/0x90 [ 9835.961198][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9835.961198][ T73] ip6_pol_route+0x56f/0x840 [ 9835.961198][ T73] fib6_rule_lookup+0x456/0x630 [ 9835.961198][ T73] ip6_route_input+0x59c/0xa50 [ 9835.961198][ T73] ipv6_rcv+0x397/0x810 [ 9835.961198][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9835.961198][ T73] process_backlog+0x101/0x620 [ 9835.961198][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9835.961198][ T73] net_rx_action+0x495/0xbe0 [ 9835.961198][ T73] __do_softirq+0x1b5/0x7f6 [ 9835.961198][ T73] [ 9835.962830][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9835.962830][ T73] netdev_get_by_index+0x5e/0x80 [ 9835.962830][ T73] fib6_nh_init+0x3d8/0x1580 [ 9835.962830][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9835.962830][ T73] ip6_route_add+0x1c/0x140 [ 9835.962830][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9835.962830][ T73] inet6_addr_add+0x4f8/0xa40 [ 9835.962830][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9835.962830][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.962830][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.962830][ T73] netlink_unicast+0x449/0x710 [ 9835.962830][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.962830][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.962830][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.962830][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.962830][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.962830][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.962830][ T73] [ 9835.964826][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9835.964826][ T73] netdev_get_by_index+0x5e/0x80 [ 9835.964826][ T73] fib6_nh_init+0x3d8/0x1580 [ 9835.964826][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9835.964826][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9835.964826][ T73] ipv6_add_addr+0x411/0x2000 [ 9835.964826][ T73] inet6_addr_add+0x30e/0xa40 [ 9835.964826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9835.964826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.964826][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.964826][ T73] netlink_unicast+0x449/0x710 [ 9835.964826][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.964826][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.964826][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.964826][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.964826][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.964826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.964826][ T73] [ 9835.966814][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9835.966814][ T73] netdev_get_by_index+0x5e/0x80 [ 9835.966814][ T73] fib6_nh_init+0x3d8/0x1580 [ 9835.966814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9835.966814][ T73] ip6_route_add+0x1c/0x140 [ 9835.966814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9835.966814][ T73] addrconf_add_dev+0xe2/0x170 [ 9835.966814][ T73] inet6_addr_add+0x12f/0xa40 [ 9835.966814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9835.966814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.966814][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.966814][ T73] netlink_unicast+0x449/0x710 [ 9835.966814][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.966814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.966814][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.966814][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.966814][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.966814][ T73] [ 9835.968788][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9835.968788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9835.968788][ T73] ipv6_find_idev+0x102/0x170 [ 9835.968788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9835.968788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.968788][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.968788][ T73] netlink_unicast+0x449/0x710 [ 9835.968788][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.968788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.968788][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.968788][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.968788][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.968788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.968788][ T73] [ 9835.970320][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9835.970320][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9835.970320][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9835.970320][ T73] ipv6_find_idev+0x102/0x170 [ 9835.970320][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9835.970320][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9835.970320][ T73] netlink_rcv_skb+0x130/0x360 [ 9835.970320][ T73] netlink_unicast+0x449/0x710 [ 9835.970320][ T73] netlink_sendmsg+0x723/0xbe0 [ 9835.970320][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9835.970320][ T73] ___sys_sendmsg+0xee/0x170 [ 9835.970320][ T73] __sys_sendmsg+0xcd/0x170 [ 9835.970320][ T73] do_syscall_64+0xc6/0x1e0 [ 9835.970320][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9835.970320][ T73] [ 9842.717713][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9842.718213][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9842.718213][ T1076] netdev_get_by_index+0x5e/0x80 [ 9842.718213][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9842.718213][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9842.718213][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9842.718213][ T1076] ipv6_add_addr+0x411/0x2000 [ 9842.718213][ T1076] inet6_addr_add+0x30e/0xa40 [ 9842.718213][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9842.718213][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.718213][ T1076] netlink_rcv_skb+0x130/0x360 [ 9842.718213][ T1076] netlink_unicast+0x449/0x710 [ 9842.718213][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9842.718213][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9842.718213][ T1076] ___sys_sendmsg+0xee/0x170 [ 9842.718213][ T1076] __sys_sendmsg+0xcd/0x170 [ 9842.718213][ T1076] do_syscall_64+0xc6/0x1e0 [ 9842.718213][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.718213][ T1076] [ 9842.720504][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9842.720504][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9842.720504][ T1076] ipv6_find_idev+0x102/0x170 [ 9842.720504][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9842.720504][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.720504][ T1076] netlink_rcv_skb+0x130/0x360 [ 9842.720504][ T1076] netlink_unicast+0x449/0x710 [ 9842.720504][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9842.720504][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9842.720504][ T1076] ___sys_sendmsg+0xee/0x170 [ 9842.720504][ T1076] __sys_sendmsg+0xcd/0x170 [ 9842.720504][ T1076] do_syscall_64+0xc6/0x1e0 [ 9842.720504][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.720504][ T1076] [ 9842.722249][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9842.722249][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9842.722249][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9842.722249][ T1076] ipv6_find_idev+0x102/0x170 [ 9842.722249][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9842.722249][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9842.722249][ T1076] netlink_rcv_skb+0x130/0x360 [ 9842.722249][ T1076] netlink_unicast+0x449/0x710 [ 9842.722249][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9842.722249][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9842.722249][ T1076] ___sys_sendmsg+0xee/0x170 [ 9842.722249][ T1076] __sys_sendmsg+0xcd/0x170 [ 9842.722249][ T1076] do_syscall_64+0xc6/0x1e0 [ 9842.722249][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9842.722249][ T1076] [ 9846.213708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9846.214092][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9846.214092][ T73] dst_init+0x84/0x4a0 [ 9846.214092][ T73] dst_alloc+0x97/0x150 [ 9846.214092][ T73] ip6_dst_alloc+0x23/0x90 [ 9846.214092][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9846.214092][ T73] ip6_pol_route+0x56f/0x840 [ 9846.214092][ T73] fib6_rule_lookup+0x456/0x630 [ 9846.214092][ T73] ip6_route_input+0x59c/0xa50 [ 9846.214092][ T73] ipv6_rcv+0x397/0x810 [ 9846.214092][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9846.214092][ T73] process_backlog+0x101/0x620 [ 9846.214092][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9846.214092][ T73] net_rx_action+0x495/0xbe0 [ 9846.214092][ T73] __do_softirq+0x1b5/0x7f6 [ 9846.214092][ T73] [ 9846.215744][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9846.215744][ T73] netdev_get_by_index+0x5e/0x80 [ 9846.215744][ T73] fib6_nh_init+0x3d8/0x1580 [ 9846.215744][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9846.215744][ T73] ip6_route_add+0x1c/0x140 [ 9846.215744][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9846.215744][ T73] inet6_addr_add+0x4f8/0xa40 [ 9846.215744][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.215744][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.215744][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.215744][ T73] netlink_unicast+0x449/0x710 [ 9846.215744][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.215744][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.215744][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.215744][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.215744][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.215744][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.215744][ T73] [ 9846.217743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9846.217743][ T73] netdev_get_by_index+0x5e/0x80 [ 9846.217743][ T73] fib6_nh_init+0x3d8/0x1580 [ 9846.217743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9846.217743][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9846.217743][ T73] ipv6_add_addr+0x411/0x2000 [ 9846.217743][ T73] inet6_addr_add+0x30e/0xa40 [ 9846.217743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.217743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.217743][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.217743][ T73] netlink_unicast+0x449/0x710 [ 9846.217743][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.217743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.217743][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.217743][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.217743][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.217743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.217743][ T73] [ 9846.219743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9846.219743][ T73] netdev_get_by_index+0x5e/0x80 [ 9846.219743][ T73] fib6_nh_init+0x3d8/0x1580 [ 9846.219743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9846.219743][ T73] ip6_route_add+0x1c/0x140 [ 9846.219743][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9846.219743][ T73] addrconf_add_dev+0xe2/0x170 [ 9846.219743][ T73] inet6_addr_add+0x12f/0xa40 [ 9846.219743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.219743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.219743][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.219743][ T73] netlink_unicast+0x449/0x710 [ 9846.219743][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.219743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.219743][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.219743][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.219743][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.219743][ T73] [ 9846.221706][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9846.221706][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9846.221706][ T73] ipv6_find_idev+0x102/0x170 [ 9846.221706][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.221706][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.221706][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.221706][ T73] netlink_unicast+0x449/0x710 [ 9846.221706][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.221706][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.221706][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.221706][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.221706][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.221706][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.221706][ T73] [ 9846.223242][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9846.223242][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9846.223242][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9846.223242][ T73] ipv6_find_idev+0x102/0x170 [ 9846.223242][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.223242][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.223242][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.223242][ T73] netlink_unicast+0x449/0x710 [ 9846.223242][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.223242][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.223242][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.223242][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.223242][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.223242][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.223242][ T73] [ 9846.224929][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9846.225173][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9846.225173][ T73] dst_init+0x84/0x4a0 [ 9846.225173][ T73] dst_alloc+0x97/0x150 [ 9846.225173][ T73] ip6_dst_alloc+0x23/0x90 [ 9846.225173][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9846.225173][ T73] ip6_pol_route+0x56f/0x840 [ 9846.225173][ T73] fib6_rule_lookup+0x456/0x630 [ 9846.225173][ T73] ip6_route_input+0x59c/0xa50 [ 9846.225173][ T73] ipv6_rcv+0x397/0x810 [ 9846.225173][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9846.225173][ T73] process_backlog+0x101/0x620 [ 9846.225173][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9846.225173][ T73] net_rx_action+0x495/0xbe0 [ 9846.225173][ T73] __do_softirq+0x1b5/0x7f6 [ 9846.225173][ T73] [ 9846.226802][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9846.226802][ T73] netdev_get_by_index+0x5e/0x80 [ 9846.226802][ T73] fib6_nh_init+0x3d8/0x1580 [ 9846.226802][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9846.226802][ T73] ip6_route_add+0x1c/0x140 [ 9846.226802][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9846.226802][ T73] inet6_addr_add+0x4f8/0xa40 [ 9846.226802][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.226802][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.226802][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.226802][ T73] netlink_unicast+0x449/0x710 [ 9846.226802][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.226802][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.226802][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.226802][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.226802][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.226802][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.226802][ T73] [ 9846.228793][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9846.228793][ T73] netdev_get_by_index+0x5e/0x80 [ 9846.228793][ T73] fib6_nh_init+0x3d8/0x1580 [ 9846.228793][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9846.228793][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9846.228793][ T73] ipv6_add_addr+0x411/0x2000 [ 9846.228793][ T73] inet6_addr_add+0x30e/0xa40 [ 9846.228793][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.228793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.228793][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.228793][ T73] netlink_unicast+0x449/0x710 [ 9846.228793][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.228793][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.228793][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.228793][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.228793][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.228793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.228793][ T73] [ 9846.230783][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9846.230783][ T73] netdev_get_by_index+0x5e/0x80 [ 9846.230783][ T73] fib6_nh_init+0x3d8/0x1580 [ 9846.230783][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9846.230783][ T73] ip6_route_add+0x1c/0x140 [ 9846.230783][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9846.230783][ T73] addrconf_add_dev+0xe2/0x170 [ 9846.230783][ T73] inet6_addr_add+0x12f/0xa40 [ 9846.230783][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9846.230783][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.230783][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.230783][ T73] netlink_unicast+0x449/0x710 [ 9846.230783][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.230783][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.230783][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.230783][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.230783][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.230783][ T73] [ 9846.232747][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9846.232747][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9846.232747][ T73] ipv6_find_idev+0x102/0x170 [ 9846.232747][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.232747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.232747][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.232747][ T73] netlink_unicast+0x449/0x710 [ 9846.232747][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.232747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.232747][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.232747][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.232747][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.232747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.232747][ T73] [ 9846.234274][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9846.234274][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9846.234274][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9846.234274][ T73] ipv6_find_idev+0x102/0x170 [ 9846.234274][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9846.234274][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9846.234274][ T73] netlink_rcv_skb+0x130/0x360 [ 9846.234274][ T73] netlink_unicast+0x449/0x710 [ 9846.234274][ T73] netlink_sendmsg+0x723/0xbe0 [ 9846.234274][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9846.234274][ T73] ___sys_sendmsg+0xee/0x170 [ 9846.234274][ T73] __sys_sendmsg+0xcd/0x170 [ 9846.234274][ T73] do_syscall_64+0xc6/0x1e0 [ 9846.234274][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9846.234274][ T73] [ 9852.885701][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9852.886179][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9852.886179][ T1076] netdev_get_by_index+0x5e/0x80 [ 9852.886179][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9852.886179][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9852.886179][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9852.886179][ T1076] ipv6_add_addr+0x411/0x2000 [ 9852.886179][ T1076] inet6_addr_add+0x30e/0xa40 [ 9852.886179][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9852.886179][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.886179][ T1076] netlink_rcv_skb+0x130/0x360 [ 9852.886179][ T1076] netlink_unicast+0x449/0x710 [ 9852.886179][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9852.886179][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9852.886179][ T1076] ___sys_sendmsg+0xee/0x170 [ 9852.886179][ T1076] __sys_sendmsg+0xcd/0x170 [ 9852.886179][ T1076] do_syscall_64+0xc6/0x1e0 [ 9852.886179][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.886179][ T1076] [ 9852.888457][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9852.888457][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9852.888457][ T1076] ipv6_find_idev+0x102/0x170 [ 9852.888457][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9852.888457][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.888457][ T1076] netlink_rcv_skb+0x130/0x360 [ 9852.888457][ T1076] netlink_unicast+0x449/0x710 [ 9852.888457][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9852.888457][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9852.888457][ T1076] ___sys_sendmsg+0xee/0x170 [ 9852.888457][ T1076] __sys_sendmsg+0xcd/0x170 [ 9852.888457][ T1076] do_syscall_64+0xc6/0x1e0 [ 9852.888457][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.888457][ T1076] [ 9852.890188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9852.890188][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9852.890188][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9852.890188][ T1076] ipv6_find_idev+0x102/0x170 [ 9852.890188][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9852.890188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9852.890188][ T1076] netlink_rcv_skb+0x130/0x360 [ 9852.890188][ T1076] netlink_unicast+0x449/0x710 [ 9852.890188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9852.890188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9852.890188][ T1076] ___sys_sendmsg+0xee/0x170 [ 9852.890188][ T1076] __sys_sendmsg+0xcd/0x170 [ 9852.890188][ T1076] do_syscall_64+0xc6/0x1e0 [ 9852.890188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9852.890188][ T1076] [ 9856.469706][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9856.470104][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9856.470104][ T73] dst_init+0x84/0x4a0 [ 9856.470104][ T73] dst_alloc+0x97/0x150 [ 9856.470104][ T73] ip6_dst_alloc+0x23/0x90 [ 9856.470104][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9856.470104][ T73] ip6_pol_route+0x56f/0x840 [ 9856.470104][ T73] fib6_rule_lookup+0x456/0x630 [ 9856.470104][ T73] ip6_route_input+0x59c/0xa50 [ 9856.470104][ T73] ipv6_rcv+0x397/0x810 [ 9856.470104][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9856.470104][ T73] process_backlog+0x101/0x620 [ 9856.470104][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9856.470104][ T73] net_rx_action+0x495/0xbe0 [ 9856.470104][ T73] __do_softirq+0x1b5/0x7f6 [ 9856.470104][ T73] [ 9856.471756][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9856.471756][ T73] netdev_get_by_index+0x5e/0x80 [ 9856.471756][ T73] fib6_nh_init+0x3d8/0x1580 [ 9856.471756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9856.471756][ T73] ip6_route_add+0x1c/0x140 [ 9856.471756][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9856.471756][ T73] inet6_addr_add+0x4f8/0xa40 [ 9856.471756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.471756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.471756][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.471756][ T73] netlink_unicast+0x449/0x710 [ 9856.471756][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.471756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.471756][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.471756][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.471756][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.471756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.471756][ T73] [ 9856.473758][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9856.473758][ T73] netdev_get_by_index+0x5e/0x80 [ 9856.473758][ T73] fib6_nh_init+0x3d8/0x1580 [ 9856.473758][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9856.473758][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9856.473758][ T73] ipv6_add_addr+0x411/0x2000 [ 9856.473758][ T73] inet6_addr_add+0x30e/0xa40 [ 9856.473758][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.473758][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.473758][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.473758][ T73] netlink_unicast+0x449/0x710 [ 9856.473758][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.473758][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.473758][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.473758][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.473758][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.473758][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.473758][ T73] [ 9856.475756][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9856.475756][ T73] netdev_get_by_index+0x5e/0x80 [ 9856.475756][ T73] fib6_nh_init+0x3d8/0x1580 [ 9856.475756][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9856.475756][ T73] ip6_route_add+0x1c/0x140 [ 9856.475756][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9856.475756][ T73] addrconf_add_dev+0xe2/0x170 [ 9856.475756][ T73] inet6_addr_add+0x12f/0xa40 [ 9856.475756][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.475756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.475756][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.475756][ T73] netlink_unicast+0x449/0x710 [ 9856.475756][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.475756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.475756][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.475756][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.475756][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.475756][ T73] [ 9856.477739][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9856.477739][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9856.477739][ T73] ipv6_find_idev+0x102/0x170 [ 9856.477739][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.477739][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.477739][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.477739][ T73] netlink_unicast+0x449/0x710 [ 9856.477739][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.477739][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.477739][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.477739][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.477739][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.477739][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.477739][ T73] [ 9856.479283][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9856.479283][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9856.479283][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9856.479283][ T73] ipv6_find_idev+0x102/0x170 [ 9856.479283][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.479283][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.479283][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.479283][ T73] netlink_unicast+0x449/0x710 [ 9856.479283][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.479283][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.479283][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.479283][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.479283][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.479283][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.479283][ T73] [ 9856.480964][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9856.481202][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9856.481202][ T73] dst_init+0x84/0x4a0 [ 9856.481202][ T73] dst_alloc+0x97/0x150 [ 9856.481202][ T73] ip6_dst_alloc+0x23/0x90 [ 9856.481202][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9856.481202][ T73] ip6_pol_route+0x56f/0x840 [ 9856.481202][ T73] fib6_rule_lookup+0x456/0x630 [ 9856.481202][ T73] ip6_route_input+0x59c/0xa50 [ 9856.481202][ T73] ipv6_rcv+0x397/0x810 [ 9856.481202][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9856.481202][ T73] process_backlog+0x101/0x620 [ 9856.481202][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9856.481202][ T73] net_rx_action+0x495/0xbe0 [ 9856.481202][ T73] __do_softirq+0x1b5/0x7f6 [ 9856.481202][ T73] [ 9856.482854][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9856.482854][ T73] netdev_get_by_index+0x5e/0x80 [ 9856.482854][ T73] fib6_nh_init+0x3d8/0x1580 [ 9856.482854][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9856.482854][ T73] ip6_route_add+0x1c/0x140 [ 9856.482854][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9856.482854][ T73] inet6_addr_add+0x4f8/0xa40 [ 9856.482854][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.482854][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.482854][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.482854][ T73] netlink_unicast+0x449/0x710 [ 9856.482854][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.482854][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.482854][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.482854][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.482854][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.482854][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.482854][ T73] [ 9856.484843][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9856.484843][ T73] netdev_get_by_index+0x5e/0x80 [ 9856.484843][ T73] fib6_nh_init+0x3d8/0x1580 [ 9856.484843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9856.484843][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9856.484843][ T73] ipv6_add_addr+0x411/0x2000 [ 9856.484843][ T73] inet6_addr_add+0x30e/0xa40 [ 9856.484843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.484843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.484843][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.484843][ T73] netlink_unicast+0x449/0x710 [ 9856.484843][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.484843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.484843][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.484843][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.484843][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.484843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.484843][ T73] [ 9856.486843][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9856.486843][ T73] netdev_get_by_index+0x5e/0x80 [ 9856.486843][ T73] fib6_nh_init+0x3d8/0x1580 [ 9856.486843][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9856.486843][ T73] ip6_route_add+0x1c/0x140 [ 9856.486843][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9856.486843][ T73] addrconf_add_dev+0xe2/0x170 [ 9856.486843][ T73] inet6_addr_add+0x12f/0xa40 [ 9856.486843][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9856.486843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.486843][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.486843][ T73] netlink_unicast+0x449/0x710 [ 9856.486843][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.486843][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.486843][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.486843][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.486843][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.486843][ T73] [ 9856.488800][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9856.488800][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9856.488800][ T73] ipv6_find_idev+0x102/0x170 [ 9856.488800][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.488800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.488800][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.488800][ T73] netlink_unicast+0x449/0x710 [ 9856.488800][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.488800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.488800][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.488800][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.488800][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.488800][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.488800][ T73] [ 9856.490333][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9856.490333][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9856.490333][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9856.490333][ T73] ipv6_find_idev+0x102/0x170 [ 9856.490333][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9856.490333][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9856.490333][ T73] netlink_rcv_skb+0x130/0x360 [ 9856.490333][ T73] netlink_unicast+0x449/0x710 [ 9856.490333][ T73] netlink_sendmsg+0x723/0xbe0 [ 9856.490333][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9856.490333][ T73] ___sys_sendmsg+0xee/0x170 [ 9856.490333][ T73] __sys_sendmsg+0xcd/0x170 [ 9856.490333][ T73] do_syscall_64+0xc6/0x1e0 [ 9856.490333][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9856.490333][ T73] [ 9862.893705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9862.894188][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9862.894188][ T1076] netdev_get_by_index+0x5e/0x80 [ 9862.894188][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9862.894188][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9862.894188][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9862.894188][ T1076] ipv6_add_addr+0x411/0x2000 [ 9862.894188][ T1076] inet6_addr_add+0x30e/0xa40 [ 9862.894188][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9862.894188][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.894188][ T1076] netlink_rcv_skb+0x130/0x360 [ 9862.894188][ T1076] netlink_unicast+0x449/0x710 [ 9862.894188][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9862.894188][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9862.894188][ T1076] ___sys_sendmsg+0xee/0x170 [ 9862.894188][ T1076] __sys_sendmsg+0xcd/0x170 [ 9862.894188][ T1076] do_syscall_64+0xc6/0x1e0 [ 9862.894188][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.894188][ T1076] [ 9862.896465][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9862.896465][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9862.896465][ T1076] ipv6_find_idev+0x102/0x170 [ 9862.896465][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9862.896465][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.896465][ T1076] netlink_rcv_skb+0x130/0x360 [ 9862.896465][ T1076] netlink_unicast+0x449/0x710 [ 9862.896465][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9862.896465][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9862.896465][ T1076] ___sys_sendmsg+0xee/0x170 [ 9862.896465][ T1076] __sys_sendmsg+0xcd/0x170 [ 9862.896465][ T1076] do_syscall_64+0xc6/0x1e0 [ 9862.896465][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.896465][ T1076] [ 9862.898208][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9862.898208][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9862.898208][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9862.898208][ T1076] ipv6_find_idev+0x102/0x170 [ 9862.898208][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9862.898208][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9862.898208][ T1076] netlink_rcv_skb+0x130/0x360 [ 9862.898208][ T1076] netlink_unicast+0x449/0x710 [ 9862.898208][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9862.898208][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9862.898208][ T1076] ___sys_sendmsg+0xee/0x170 [ 9862.898208][ T1076] __sys_sendmsg+0xcd/0x170 [ 9862.898208][ T1076] do_syscall_64+0xc6/0x1e0 [ 9862.898208][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9862.898208][ T1076] [ 9866.733708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9866.734032][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9866.734032][ T73] dst_init+0x84/0x4a0 [ 9866.734032][ T73] dst_alloc+0x97/0x150 [ 9866.734032][ T73] ip6_dst_alloc+0x23/0x90 [ 9866.734032][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9866.734032][ T73] ip6_pol_route+0x56f/0x840 [ 9866.734032][ T73] fib6_rule_lookup+0x456/0x630 [ 9866.734032][ T73] ip6_route_input+0x59c/0xa50 [ 9866.734032][ T73] ipv6_rcv+0x397/0x810 [ 9866.734032][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9866.734032][ T73] process_backlog+0x101/0x620 [ 9866.734032][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9866.734032][ T73] net_rx_action+0x495/0xbe0 [ 9866.734032][ T73] __do_softirq+0x1b5/0x7f6 [ 9866.734032][ T73] [ 9866.735689][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9866.735689][ T73] netdev_get_by_index+0x5e/0x80 [ 9866.735689][ T73] fib6_nh_init+0x3d8/0x1580 [ 9866.735689][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9866.735689][ T73] ip6_route_add+0x1c/0x140 [ 9866.735689][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9866.735689][ T73] inet6_addr_add+0x4f8/0xa40 [ 9866.735689][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.735689][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.735689][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.735689][ T73] netlink_unicast+0x449/0x710 [ 9866.735689][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.735689][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.735689][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.735689][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.735689][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.735689][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.735689][ T73] [ 9866.737688][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9866.737688][ T73] netdev_get_by_index+0x5e/0x80 [ 9866.737688][ T73] fib6_nh_init+0x3d8/0x1580 [ 9866.737688][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9866.737688][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9866.737688][ T73] ipv6_add_addr+0x411/0x2000 [ 9866.737688][ T73] inet6_addr_add+0x30e/0xa40 [ 9866.737688][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.737688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.737688][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.737688][ T73] netlink_unicast+0x449/0x710 [ 9866.737688][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.737688][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.737688][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.737688][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.737688][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.737688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.737688][ T73] [ 9866.739681][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9866.739681][ T73] netdev_get_by_index+0x5e/0x80 [ 9866.739681][ T73] fib6_nh_init+0x3d8/0x1580 [ 9866.739681][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9866.739681][ T73] ip6_route_add+0x1c/0x140 [ 9866.739681][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9866.739681][ T73] addrconf_add_dev+0xe2/0x170 [ 9866.739681][ T73] inet6_addr_add+0x12f/0xa40 [ 9866.739681][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.739681][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.739681][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.739681][ T73] netlink_unicast+0x449/0x710 [ 9866.739681][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.739681][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.739681][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.739681][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.739681][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.739681][ T73] [ 9866.741641][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9866.741641][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9866.741641][ T73] ipv6_find_idev+0x102/0x170 [ 9866.741641][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9866.741641][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.741641][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.741641][ T73] netlink_unicast+0x449/0x710 [ 9866.741641][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.741641][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.741641][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.741641][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.741641][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.741641][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.741641][ T73] [ 9866.743186][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9866.743186][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9866.743186][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9866.743186][ T73] ipv6_find_idev+0x102/0x170 [ 9866.743186][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9866.743186][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.743186][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.743186][ T73] netlink_unicast+0x449/0x710 [ 9866.743186][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.743186][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.743186][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.743186][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.743186][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.743186][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.743186][ T73] [ 9866.744881][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9866.745122][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9866.745122][ T73] dst_init+0x84/0x4a0 [ 9866.745122][ T73] dst_alloc+0x97/0x150 [ 9866.745122][ T73] ip6_dst_alloc+0x23/0x90 [ 9866.745122][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9866.745122][ T73] ip6_pol_route+0x56f/0x840 [ 9866.745122][ T73] fib6_rule_lookup+0x456/0x630 [ 9866.745122][ T73] ip6_route_input+0x59c/0xa50 [ 9866.745122][ T73] ipv6_rcv+0x397/0x810 [ 9866.745122][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9866.745122][ T73] process_backlog+0x101/0x620 [ 9866.745122][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9866.745122][ T73] net_rx_action+0x495/0xbe0 [ 9866.745122][ T73] __do_softirq+0x1b5/0x7f6 [ 9866.745122][ T73] [ 9866.746763][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9866.746763][ T73] netdev_get_by_index+0x5e/0x80 [ 9866.746763][ T73] fib6_nh_init+0x3d8/0x1580 [ 9866.746763][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9866.746763][ T73] ip6_route_add+0x1c/0x140 [ 9866.746763][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9866.746763][ T73] inet6_addr_add+0x4f8/0xa40 [ 9866.746763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.746763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.746763][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.746763][ T73] netlink_unicast+0x449/0x710 [ 9866.746763][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.746763][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.746763][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.746763][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.746763][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.746763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.746763][ T73] [ 9866.748759][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9866.748759][ T73] netdev_get_by_index+0x5e/0x80 [ 9866.748759][ T73] fib6_nh_init+0x3d8/0x1580 [ 9866.748759][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9866.748759][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9866.748759][ T73] ipv6_add_addr+0x411/0x2000 [ 9866.748759][ T73] inet6_addr_add+0x30e/0xa40 [ 9866.748759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.748759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.748759][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.748759][ T73] netlink_unicast+0x449/0x710 [ 9866.748759][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.748759][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.748759][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.748759][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.748759][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.748759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.748759][ T73] [ 9866.750750][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9866.750750][ T73] netdev_get_by_index+0x5e/0x80 [ 9866.750750][ T73] fib6_nh_init+0x3d8/0x1580 [ 9866.750750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9866.750750][ T73] ip6_route_add+0x1c/0x140 [ 9866.750750][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9866.750750][ T73] addrconf_add_dev+0xe2/0x170 [ 9866.750750][ T73] inet6_addr_add+0x12f/0xa40 [ 9866.750750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9866.750750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.750750][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.750750][ T73] netlink_unicast+0x449/0x710 [ 9866.750750][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.750750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.750750][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.750750][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.750750][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.750750][ T73] [ 9866.752701][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9866.752701][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9866.752701][ T73] ipv6_find_idev+0x102/0x170 [ 9866.752701][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9866.752701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.752701][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.752701][ T73] netlink_unicast+0x449/0x710 [ 9866.752701][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.752701][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.752701][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.752701][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.752701][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.752701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.752701][ T73] [ 9866.754236][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9866.754236][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9866.754236][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9866.754236][ T73] ipv6_find_idev+0x102/0x170 [ 9866.754236][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9866.754236][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9866.754236][ T73] netlink_rcv_skb+0x130/0x360 [ 9866.754236][ T73] netlink_unicast+0x449/0x710 [ 9866.754236][ T73] netlink_sendmsg+0x723/0xbe0 [ 9866.754236][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9866.754236][ T73] ___sys_sendmsg+0xee/0x170 [ 9866.754236][ T73] __sys_sendmsg+0xcd/0x170 [ 9866.754236][ T73] do_syscall_64+0xc6/0x1e0 [ 9866.754236][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9866.754236][ T73] [ 9872.901777][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9872.902268][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9872.902268][ T1076] netdev_get_by_index+0x5e/0x80 [ 9872.902268][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9872.902268][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9872.902268][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9872.902268][ T1076] ipv6_add_addr+0x411/0x2000 [ 9872.902268][ T1076] inet6_addr_add+0x30e/0xa40 [ 9872.902268][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9872.902268][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9872.902268][ T1076] netlink_rcv_skb+0x130/0x360 [ 9872.902268][ T1076] netlink_unicast+0x449/0x710 [ 9872.902268][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9872.902268][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9872.902268][ T1076] ___sys_sendmsg+0xee/0x170 [ 9872.902268][ T1076] __sys_sendmsg+0xcd/0x170 [ 9872.902268][ T1076] do_syscall_64+0xc6/0x1e0 [ 9872.902268][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9872.902268][ T1076] [ 9872.904545][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9872.904545][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9872.904545][ T1076] ipv6_find_idev+0x102/0x170 [ 9872.904545][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9872.904545][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9872.904545][ T1076] netlink_rcv_skb+0x130/0x360 [ 9872.904545][ T1076] netlink_unicast+0x449/0x710 [ 9872.904545][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9872.904545][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9872.904545][ T1076] ___sys_sendmsg+0xee/0x170 [ 9872.904545][ T1076] __sys_sendmsg+0xcd/0x170 [ 9872.904545][ T1076] do_syscall_64+0xc6/0x1e0 [ 9872.904545][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9872.904545][ T1076] [ 9872.906277][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9872.906277][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9872.906277][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9872.906277][ T1076] ipv6_find_idev+0x102/0x170 [ 9872.906277][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9872.906277][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9872.906277][ T1076] netlink_rcv_skb+0x130/0x360 [ 9872.906277][ T1076] netlink_unicast+0x449/0x710 [ 9872.906277][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9872.906277][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9872.906277][ T1076] ___sys_sendmsg+0xee/0x170 [ 9872.906277][ T1076] __sys_sendmsg+0xcd/0x170 [ 9872.906277][ T1076] do_syscall_64+0xc6/0x1e0 [ 9872.906277][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9872.906277][ T1076] [ 9876.997709][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9876.998054][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9876.998054][ T73] dst_init+0x84/0x4a0 [ 9876.998054][ T73] dst_alloc+0x97/0x150 [ 9876.998054][ T73] ip6_dst_alloc+0x23/0x90 [ 9876.998054][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9876.998054][ T73] ip6_pol_route+0x56f/0x840 [ 9876.998054][ T73] fib6_rule_lookup+0x456/0x630 [ 9876.998054][ T73] ip6_route_input+0x59c/0xa50 [ 9876.998054][ T73] ipv6_rcv+0x397/0x810 [ 9876.998054][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9876.998054][ T73] process_backlog+0x101/0x620 [ 9876.998054][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9876.998054][ T73] net_rx_action+0x495/0xbe0 [ 9876.998054][ T73] __do_softirq+0x1b5/0x7f6 [ 9876.998054][ T73] [ 9876.999728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9876.999728][ T73] netdev_get_by_index+0x5e/0x80 [ 9876.999728][ T73] fib6_nh_init+0x3d8/0x1580 [ 9876.999728][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9876.999728][ T73] ip6_route_add+0x1c/0x140 [ 9876.999728][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9876.999728][ T73] inet6_addr_add+0x4f8/0xa40 [ 9876.999728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9876.999728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9876.999728][ T73] netlink_rcv_skb+0x130/0x360 [ 9876.999728][ T73] netlink_unicast+0x449/0x710 [ 9876.999728][ T73] netlink_sendmsg+0x723/0xbe0 [ 9876.999728][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9876.999728][ T73] ___sys_sendmsg+0xee/0x170 [ 9876.999728][ T73] __sys_sendmsg+0xcd/0x170 [ 9876.999728][ T73] do_syscall_64+0xc6/0x1e0 [ 9876.999728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9876.999728][ T73] [ 9877.001743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9877.001743][ T73] netdev_get_by_index+0x5e/0x80 [ 9877.001743][ T73] fib6_nh_init+0x3d8/0x1580 [ 9877.001743][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9877.001743][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9877.001743][ T73] ipv6_add_addr+0x411/0x2000 [ 9877.001743][ T73] inet6_addr_add+0x30e/0xa40 [ 9877.001743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.001743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.001743][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.001743][ T73] netlink_unicast+0x449/0x710 [ 9877.001743][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.001743][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.001743][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.001743][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.001743][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.001743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.001743][ T73] [ 9877.003755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9877.003755][ T73] netdev_get_by_index+0x5e/0x80 [ 9877.003755][ T73] fib6_nh_init+0x3d8/0x1580 [ 9877.003755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9877.003755][ T73] ip6_route_add+0x1c/0x140 [ 9877.003755][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9877.003755][ T73] addrconf_add_dev+0xe2/0x170 [ 9877.003755][ T73] inet6_addr_add+0x12f/0xa40 [ 9877.003755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.003755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.003755][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.003755][ T73] netlink_unicast+0x449/0x710 [ 9877.003755][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.003755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.003755][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.003755][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.003755][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.003755][ T73] [ 9877.005733][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9877.005733][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9877.005733][ T73] ipv6_find_idev+0x102/0x170 [ 9877.005733][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.005733][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.005733][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.005733][ T73] netlink_unicast+0x449/0x710 [ 9877.005733][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.005733][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.005733][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.005733][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.005733][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.005733][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.005733][ T73] [ 9877.007296][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9877.007296][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9877.007296][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9877.007296][ T73] ipv6_find_idev+0x102/0x170 [ 9877.007296][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.007296][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.007296][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.007296][ T73] netlink_unicast+0x449/0x710 [ 9877.007296][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.007296][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.007296][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.007296][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.007296][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.007296][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.007296][ T73] [ 9877.009010][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9877.009264][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9877.009264][ T73] dst_init+0x84/0x4a0 [ 9877.009264][ T73] dst_alloc+0x97/0x150 [ 9877.009264][ T73] ip6_dst_alloc+0x23/0x90 [ 9877.009264][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9877.009264][ T73] ip6_pol_route+0x56f/0x840 [ 9877.009264][ T73] fib6_rule_lookup+0x456/0x630 [ 9877.009264][ T73] ip6_route_input+0x59c/0xa50 [ 9877.009264][ T73] ipv6_rcv+0x397/0x810 [ 9877.009264][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9877.009264][ T73] process_backlog+0x101/0x620 [ 9877.009264][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9877.009264][ T73] net_rx_action+0x495/0xbe0 [ 9877.009264][ T73] __do_softirq+0x1b5/0x7f6 [ 9877.009264][ T73] [ 9877.010914][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9877.010914][ T73] netdev_get_by_index+0x5e/0x80 [ 9877.010914][ T73] fib6_nh_init+0x3d8/0x1580 [ 9877.010914][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9877.010914][ T73] ip6_route_add+0x1c/0x140 [ 9877.010914][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9877.010914][ T73] inet6_addr_add+0x4f8/0xa40 [ 9877.010914][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.010914][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.010914][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.010914][ T73] netlink_unicast+0x449/0x710 [ 9877.010914][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.010914][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.010914][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.010914][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.010914][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.010914][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.010914][ T73] [ 9877.012929][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9877.012929][ T73] netdev_get_by_index+0x5e/0x80 [ 9877.012929][ T73] fib6_nh_init+0x3d8/0x1580 [ 9877.012929][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9877.012929][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9877.012929][ T73] ipv6_add_addr+0x411/0x2000 [ 9877.012929][ T73] inet6_addr_add+0x30e/0xa40 [ 9877.012929][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.012929][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.012929][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.012929][ T73] netlink_unicast+0x449/0x710 [ 9877.012929][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.012929][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.012929][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.012929][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.012929][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.012929][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.012929][ T73] [ 9877.014960][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9877.014960][ T73] netdev_get_by_index+0x5e/0x80 [ 9877.014960][ T73] fib6_nh_init+0x3d8/0x1580 [ 9877.014960][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9877.014960][ T73] ip6_route_add+0x1c/0x140 [ 9877.014960][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9877.014960][ T73] addrconf_add_dev+0xe2/0x170 [ 9877.014960][ T73] inet6_addr_add+0x12f/0xa40 [ 9877.014960][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9877.014960][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.014960][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.014960][ T73] netlink_unicast+0x449/0x710 [ 9877.014960][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.014960][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.014960][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.014960][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.014960][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.014960][ T73] [ 9877.016949][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9877.016949][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9877.016949][ T73] ipv6_find_idev+0x102/0x170 [ 9877.016949][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.016949][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.016949][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.016949][ T73] netlink_unicast+0x449/0x710 [ 9877.016949][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.016949][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.016949][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.016949][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.016949][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.016949][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.016949][ T73] [ 9877.018506][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9877.018506][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9877.018506][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9877.018506][ T73] ipv6_find_idev+0x102/0x170 [ 9877.018506][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9877.018506][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9877.018506][ T73] netlink_rcv_skb+0x130/0x360 [ 9877.018506][ T73] netlink_unicast+0x449/0x710 [ 9877.018506][ T73] netlink_sendmsg+0x723/0xbe0 [ 9877.018506][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9877.018506][ T73] ___sys_sendmsg+0xee/0x170 [ 9877.018506][ T73] __sys_sendmsg+0xcd/0x170 [ 9877.018506][ T73] do_syscall_64+0xc6/0x1e0 [ 9877.018506][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9877.018506][ T73] [ 9882.917638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9882.918125][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9882.918125][ T1076] netdev_get_by_index+0x5e/0x80 [ 9882.918125][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9882.918125][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9882.918125][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9882.918125][ T1076] ipv6_add_addr+0x411/0x2000 [ 9882.918125][ T1076] inet6_addr_add+0x30e/0xa40 [ 9882.918125][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9882.918125][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.918125][ T1076] netlink_rcv_skb+0x130/0x360 [ 9882.918125][ T1076] netlink_unicast+0x449/0x710 [ 9882.918125][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9882.918125][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9882.918125][ T1076] ___sys_sendmsg+0xee/0x170 [ 9882.918125][ T1076] __sys_sendmsg+0xcd/0x170 [ 9882.918125][ T1076] do_syscall_64+0xc6/0x1e0 [ 9882.918125][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.918125][ T1076] [ 9882.920373][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9882.920373][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9882.920373][ T1076] ipv6_find_idev+0x102/0x170 [ 9882.920373][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9882.920373][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.920373][ T1076] netlink_rcv_skb+0x130/0x360 [ 9882.920373][ T1076] netlink_unicast+0x449/0x710 [ 9882.920373][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9882.920373][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9882.920373][ T1076] ___sys_sendmsg+0xee/0x170 [ 9882.920373][ T1076] __sys_sendmsg+0xcd/0x170 [ 9882.920373][ T1076] do_syscall_64+0xc6/0x1e0 [ 9882.920373][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.920373][ T1076] [ 9882.922098][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9882.922098][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9882.922098][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9882.922098][ T1076] ipv6_find_idev+0x102/0x170 [ 9882.922098][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9882.922098][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9882.922098][ T1076] netlink_rcv_skb+0x130/0x360 [ 9882.922098][ T1076] netlink_unicast+0x449/0x710 [ 9882.922098][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9882.922098][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9882.922098][ T1076] ___sys_sendmsg+0xee/0x170 [ 9882.922098][ T1076] __sys_sendmsg+0xcd/0x170 [ 9882.922098][ T1076] do_syscall_64+0xc6/0x1e0 [ 9882.922098][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9882.922098][ T1076] [ 9887.261702][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9887.262101][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9887.262101][ T73] dst_init+0x84/0x4a0 [ 9887.262101][ T73] dst_alloc+0x97/0x150 [ 9887.262101][ T73] ip6_dst_alloc+0x23/0x90 [ 9887.262101][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9887.262101][ T73] ip6_pol_route+0x56f/0x840 [ 9887.262101][ T73] fib6_rule_lookup+0x456/0x630 [ 9887.262101][ T73] ip6_route_input+0x59c/0xa50 [ 9887.262101][ T73] ipv6_rcv+0x397/0x810 [ 9887.262101][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9887.262101][ T73] process_backlog+0x101/0x620 [ 9887.262101][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9887.262101][ T73] net_rx_action+0x495/0xbe0 [ 9887.262101][ T73] __do_softirq+0x1b5/0x7f6 [ 9887.262101][ T73] [ 9887.263776][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9887.263776][ T73] netdev_get_by_index+0x5e/0x80 [ 9887.263776][ T73] fib6_nh_init+0x3d8/0x1580 [ 9887.263776][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9887.263776][ T73] ip6_route_add+0x1c/0x140 [ 9887.263776][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9887.263776][ T73] inet6_addr_add+0x4f8/0xa40 [ 9887.263776][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.263776][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.263776][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.263776][ T73] netlink_unicast+0x449/0x710 [ 9887.263776][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.263776][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.263776][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.263776][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.263776][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.263776][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.263776][ T73] [ 9887.265792][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9887.265792][ T73] netdev_get_by_index+0x5e/0x80 [ 9887.265792][ T73] fib6_nh_init+0x3d8/0x1580 [ 9887.265792][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9887.265792][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9887.265792][ T73] ipv6_add_addr+0x411/0x2000 [ 9887.265792][ T73] inet6_addr_add+0x30e/0xa40 [ 9887.265792][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.265792][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.265792][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.265792][ T73] netlink_unicast+0x449/0x710 [ 9887.265792][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.265792][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.265792][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.265792][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.265792][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.265792][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.265792][ T73] [ 9887.267814][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9887.267814][ T73] netdev_get_by_index+0x5e/0x80 [ 9887.267814][ T73] fib6_nh_init+0x3d8/0x1580 [ 9887.267814][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9887.267814][ T73] ip6_route_add+0x1c/0x140 [ 9887.267814][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9887.267814][ T73] addrconf_add_dev+0xe2/0x170 [ 9887.267814][ T73] inet6_addr_add+0x12f/0xa40 [ 9887.267814][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.267814][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.267814][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.267814][ T73] netlink_unicast+0x449/0x710 [ 9887.267814][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.267814][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.267814][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.267814][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.267814][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.267814][ T73] [ 9887.269788][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9887.269788][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9887.269788][ T73] ipv6_find_idev+0x102/0x170 [ 9887.269788][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.269788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.269788][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.269788][ T73] netlink_unicast+0x449/0x710 [ 9887.269788][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.269788][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.269788][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.269788][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.269788][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.269788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.269788][ T73] [ 9887.271338][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9887.271338][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9887.271338][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9887.271338][ T73] ipv6_find_idev+0x102/0x170 [ 9887.271338][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.271338][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.271338][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.271338][ T73] netlink_unicast+0x449/0x710 [ 9887.271338][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.271338][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.271338][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.271338][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.271338][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.271338][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.271338][ T73] [ 9887.273062][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9887.273303][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9887.273303][ T73] dst_init+0x84/0x4a0 [ 9887.273303][ T73] dst_alloc+0x97/0x150 [ 9887.273303][ T73] ip6_dst_alloc+0x23/0x90 [ 9887.273303][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9887.273303][ T73] ip6_pol_route+0x56f/0x840 [ 9887.273303][ T73] fib6_rule_lookup+0x456/0x630 [ 9887.273303][ T73] ip6_route_input+0x59c/0xa50 [ 9887.273303][ T73] ipv6_rcv+0x397/0x810 [ 9887.273303][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9887.273303][ T73] process_backlog+0x101/0x620 [ 9887.273303][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9887.273303][ T73] net_rx_action+0x495/0xbe0 [ 9887.273303][ T73] __do_softirq+0x1b5/0x7f6 [ 9887.273303][ T73] [ 9887.274954][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9887.274954][ T73] netdev_get_by_index+0x5e/0x80 [ 9887.274954][ T73] fib6_nh_init+0x3d8/0x1580 [ 9887.274954][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9887.274954][ T73] ip6_route_add+0x1c/0x140 [ 9887.274954][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9887.274954][ T73] inet6_addr_add+0x4f8/0xa40 [ 9887.274954][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.274954][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.274954][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.274954][ T73] netlink_unicast+0x449/0x710 [ 9887.274954][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.274954][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.274954][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.274954][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.274954][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.274954][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.274954][ T73] [ 9887.277096][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9887.277096][ T73] netdev_get_by_index+0x5e/0x80 [ 9887.277096][ T73] fib6_nh_init+0x3d8/0x1580 [ 9887.277096][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9887.277096][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9887.277096][ T73] ipv6_add_addr+0x411/0x2000 [ 9887.277096][ T73] inet6_addr_add+0x30e/0xa40 [ 9887.277096][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.277096][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.277096][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.277096][ T73] netlink_unicast+0x449/0x710 [ 9887.277096][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.277096][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.277096][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.277096][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.277096][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.277096][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.277096][ T73] [ 9887.279117][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9887.279117][ T73] netdev_get_by_index+0x5e/0x80 [ 9887.279117][ T73] fib6_nh_init+0x3d8/0x1580 [ 9887.279117][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9887.279117][ T73] ip6_route_add+0x1c/0x140 [ 9887.279117][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9887.279117][ T73] addrconf_add_dev+0xe2/0x170 [ 9887.279117][ T73] inet6_addr_add+0x12f/0xa40 [ 9887.279117][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9887.279117][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.279117][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.279117][ T73] netlink_unicast+0x449/0x710 [ 9887.279117][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.279117][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.279117][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.279117][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.279117][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.279117][ T73] [ 9887.281092][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9887.281092][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9887.281092][ T73] ipv6_find_idev+0x102/0x170 [ 9887.281092][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.281092][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.281092][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.281092][ T73] netlink_unicast+0x449/0x710 [ 9887.281092][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.281092][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.281092][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.281092][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.281092][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.281092][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.281092][ T73] [ 9887.282637][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9887.282637][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9887.282637][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9887.282637][ T73] ipv6_find_idev+0x102/0x170 [ 9887.282637][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9887.282637][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9887.282637][ T73] netlink_rcv_skb+0x130/0x360 [ 9887.282637][ T73] netlink_unicast+0x449/0x710 [ 9887.282637][ T73] netlink_sendmsg+0x723/0xbe0 [ 9887.282637][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9887.282637][ T73] ___sys_sendmsg+0xee/0x170 [ 9887.282637][ T73] __sys_sendmsg+0xcd/0x170 [ 9887.282637][ T73] do_syscall_64+0xc6/0x1e0 [ 9887.282637][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9887.282637][ T73] [ 9892.925731][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9892.926226][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9892.926226][ T1076] netdev_get_by_index+0x5e/0x80 [ 9892.926226][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9892.926226][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9892.926226][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9892.926226][ T1076] ipv6_add_addr+0x411/0x2000 [ 9892.926226][ T1076] inet6_addr_add+0x30e/0xa40 [ 9892.926226][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9892.926226][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.926226][ T1076] netlink_rcv_skb+0x130/0x360 [ 9892.926226][ T1076] netlink_unicast+0x449/0x710 [ 9892.926226][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9892.926226][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9892.926226][ T1076] ___sys_sendmsg+0xee/0x170 [ 9892.926226][ T1076] __sys_sendmsg+0xcd/0x170 [ 9892.926226][ T1076] do_syscall_64+0xc6/0x1e0 [ 9892.926226][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.926226][ T1076] [ 9892.928532][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9892.928532][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9892.928532][ T1076] ipv6_find_idev+0x102/0x170 [ 9892.928532][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9892.928532][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.928532][ T1076] netlink_rcv_skb+0x130/0x360 [ 9892.928532][ T1076] netlink_unicast+0x449/0x710 [ 9892.928532][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9892.928532][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9892.928532][ T1076] ___sys_sendmsg+0xee/0x170 [ 9892.928532][ T1076] __sys_sendmsg+0xcd/0x170 [ 9892.928532][ T1076] do_syscall_64+0xc6/0x1e0 [ 9892.928532][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.928532][ T1076] [ 9892.930265][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9892.930265][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9892.930265][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9892.930265][ T1076] ipv6_find_idev+0x102/0x170 [ 9892.930265][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9892.930265][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9892.930265][ T1076] netlink_rcv_skb+0x130/0x360 [ 9892.930265][ T1076] netlink_unicast+0x449/0x710 [ 9892.930265][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9892.930265][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9892.930265][ T1076] ___sys_sendmsg+0xee/0x170 [ 9892.930265][ T1076] __sys_sendmsg+0xcd/0x170 [ 9892.930265][ T1076] do_syscall_64+0xc6/0x1e0 [ 9892.930265][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9892.930265][ T1076] [ 9897.525705][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9897.526114][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9897.526114][ T73] dst_init+0x84/0x4a0 [ 9897.526114][ T73] dst_alloc+0x97/0x150 [ 9897.526114][ T73] ip6_dst_alloc+0x23/0x90 [ 9897.526114][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9897.526114][ T73] ip6_pol_route+0x56f/0x840 [ 9897.526114][ T73] fib6_rule_lookup+0x456/0x630 [ 9897.526114][ T73] ip6_route_input+0x59c/0xa50 [ 9897.526114][ T73] ipv6_rcv+0x397/0x810 [ 9897.526114][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9897.526114][ T73] process_backlog+0x101/0x620 [ 9897.526114][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9897.526114][ T73] net_rx_action+0x495/0xbe0 [ 9897.526114][ T73] __do_softirq+0x1b5/0x7f6 [ 9897.526114][ T73] [ 9897.527791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9897.527791][ T73] netdev_get_by_index+0x5e/0x80 [ 9897.527791][ T73] fib6_nh_init+0x3d8/0x1580 [ 9897.527791][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9897.527791][ T73] ip6_route_add+0x1c/0x140 [ 9897.527791][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9897.527791][ T73] inet6_addr_add+0x4f8/0xa40 [ 9897.527791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.527791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.527791][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.527791][ T73] netlink_unicast+0x449/0x710 [ 9897.527791][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.527791][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.527791][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.527791][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.527791][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.527791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.527791][ T73] [ 9897.529796][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9897.529796][ T73] netdev_get_by_index+0x5e/0x80 [ 9897.529796][ T73] fib6_nh_init+0x3d8/0x1580 [ 9897.529796][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9897.529796][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9897.529796][ T73] ipv6_add_addr+0x411/0x2000 [ 9897.529796][ T73] inet6_addr_add+0x30e/0xa40 [ 9897.529796][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.529796][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.529796][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.529796][ T73] netlink_unicast+0x449/0x710 [ 9897.529796][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.529796][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.529796][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.529796][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.529796][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.529796][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.529796][ T73] [ 9897.531811][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9897.531811][ T73] netdev_get_by_index+0x5e/0x80 [ 9897.531811][ T73] fib6_nh_init+0x3d8/0x1580 [ 9897.531811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9897.531811][ T73] ip6_route_add+0x1c/0x140 [ 9897.531811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9897.531811][ T73] addrconf_add_dev+0xe2/0x170 [ 9897.531811][ T73] inet6_addr_add+0x12f/0xa40 [ 9897.531811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.531811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.531811][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.531811][ T73] netlink_unicast+0x449/0x710 [ 9897.531811][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.531811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.531811][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.531811][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.531811][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.531811][ T73] [ 9897.533787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9897.533787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9897.533787][ T73] ipv6_find_idev+0x102/0x170 [ 9897.533787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.533787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.533787][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.533787][ T73] netlink_unicast+0x449/0x710 [ 9897.533787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.533787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.533787][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.533787][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.533787][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.533787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.533787][ T73] [ 9897.535345][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9897.535345][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9897.535345][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9897.535345][ T73] ipv6_find_idev+0x102/0x170 [ 9897.535345][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.535345][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.535345][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.535345][ T73] netlink_unicast+0x449/0x710 [ 9897.535345][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.535345][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.535345][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.535345][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.535345][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.535345][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.535345][ T73] [ 9897.537069][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9897.537311][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9897.537311][ T73] dst_init+0x84/0x4a0 [ 9897.537311][ T73] dst_alloc+0x97/0x150 [ 9897.537311][ T73] ip6_dst_alloc+0x23/0x90 [ 9897.537311][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9897.537311][ T73] ip6_pol_route+0x56f/0x840 [ 9897.537311][ T73] fib6_rule_lookup+0x456/0x630 [ 9897.537311][ T73] ip6_route_input+0x59c/0xa50 [ 9897.537311][ T73] ipv6_rcv+0x397/0x810 [ 9897.537311][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9897.537311][ T73] process_backlog+0x101/0x620 [ 9897.537311][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9897.537311][ T73] net_rx_action+0x495/0xbe0 [ 9897.537311][ T73] __do_softirq+0x1b5/0x7f6 [ 9897.537311][ T73] [ 9897.538975][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9897.538975][ T73] netdev_get_by_index+0x5e/0x80 [ 9897.538975][ T73] fib6_nh_init+0x3d8/0x1580 [ 9897.538975][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9897.538975][ T73] ip6_route_add+0x1c/0x140 [ 9897.538975][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9897.538975][ T73] inet6_addr_add+0x4f8/0xa40 [ 9897.538975][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.538975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.538975][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.538975][ T73] netlink_unicast+0x449/0x710 [ 9897.538975][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.538975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.538975][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.538975][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.538975][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.538975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.538975][ T73] [ 9897.540987][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9897.540987][ T73] netdev_get_by_index+0x5e/0x80 [ 9897.540987][ T73] fib6_nh_init+0x3d8/0x1580 [ 9897.540987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9897.540987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9897.540987][ T73] ipv6_add_addr+0x411/0x2000 [ 9897.540987][ T73] inet6_addr_add+0x30e/0xa40 [ 9897.540987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.540987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.540987][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.540987][ T73] netlink_unicast+0x449/0x710 [ 9897.540987][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.540987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.540987][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.540987][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.540987][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.540987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.540987][ T73] [ 9897.542995][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9897.542995][ T73] netdev_get_by_index+0x5e/0x80 [ 9897.542995][ T73] fib6_nh_init+0x3d8/0x1580 [ 9897.542995][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9897.542995][ T73] ip6_route_add+0x1c/0x140 [ 9897.542995][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9897.542995][ T73] addrconf_add_dev+0xe2/0x170 [ 9897.542995][ T73] inet6_addr_add+0x12f/0xa40 [ 9897.542995][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9897.542995][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.542995][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.542995][ T73] netlink_unicast+0x449/0x710 [ 9897.542995][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.542995][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.542995][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.542995][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.542995][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.542995][ T73] [ 9897.544971][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9897.544971][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9897.544971][ T73] ipv6_find_idev+0x102/0x170 [ 9897.544971][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.544971][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.544971][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.544971][ T73] netlink_unicast+0x449/0x710 [ 9897.544971][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.544971][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.544971][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.544971][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.544971][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.544971][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.544971][ T73] [ 9897.546528][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9897.546528][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9897.546528][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9897.546528][ T73] ipv6_find_idev+0x102/0x170 [ 9897.546528][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9897.546528][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9897.546528][ T73] netlink_rcv_skb+0x130/0x360 [ 9897.546528][ T73] netlink_unicast+0x449/0x710 [ 9897.546528][ T73] netlink_sendmsg+0x723/0xbe0 [ 9897.546528][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9897.546528][ T73] ___sys_sendmsg+0xee/0x170 [ 9897.546528][ T73] __sys_sendmsg+0xcd/0x170 [ 9897.546528][ T73] do_syscall_64+0xc6/0x1e0 [ 9897.546528][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9897.546528][ T73] [ 9902.933700][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9902.934174][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9902.934174][ T1076] netdev_get_by_index+0x5e/0x80 [ 9902.934174][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9902.934174][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9902.934174][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9902.934174][ T1076] ipv6_add_addr+0x411/0x2000 [ 9902.934174][ T1076] inet6_addr_add+0x30e/0xa40 [ 9902.934174][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9902.934174][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.934174][ T1076] netlink_rcv_skb+0x130/0x360 [ 9902.934174][ T1076] netlink_unicast+0x449/0x710 [ 9902.934174][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9902.934174][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9902.934174][ T1076] ___sys_sendmsg+0xee/0x170 [ 9902.934174][ T1076] __sys_sendmsg+0xcd/0x170 [ 9902.934174][ T1076] do_syscall_64+0xc6/0x1e0 [ 9902.934174][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.934174][ T1076] [ 9902.936435][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9902.936435][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9902.936435][ T1076] ipv6_find_idev+0x102/0x170 [ 9902.936435][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9902.936435][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.936435][ T1076] netlink_rcv_skb+0x130/0x360 [ 9902.936435][ T1076] netlink_unicast+0x449/0x710 [ 9902.936435][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9902.936435][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9902.936435][ T1076] ___sys_sendmsg+0xee/0x170 [ 9902.936435][ T1076] __sys_sendmsg+0xcd/0x170 [ 9902.936435][ T1076] do_syscall_64+0xc6/0x1e0 [ 9902.936435][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.936435][ T1076] [ 9902.938183][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9902.938183][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9902.938183][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9902.938183][ T1076] ipv6_find_idev+0x102/0x170 [ 9902.938183][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9902.938183][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9902.938183][ T1076] netlink_rcv_skb+0x130/0x360 [ 9902.938183][ T1076] netlink_unicast+0x449/0x710 [ 9902.938183][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9902.938183][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9902.938183][ T1076] ___sys_sendmsg+0xee/0x170 [ 9902.938183][ T1076] __sys_sendmsg+0xcd/0x170 [ 9902.938183][ T1076] do_syscall_64+0xc6/0x1e0 [ 9902.938183][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9902.938183][ T1076] [ 9907.789708][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9907.790079][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9907.790079][ T73] dst_init+0x84/0x4a0 [ 9907.790079][ T73] dst_alloc+0x97/0x150 [ 9907.790079][ T73] ip6_dst_alloc+0x23/0x90 [ 9907.790079][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9907.790079][ T73] ip6_pol_route+0x56f/0x840 [ 9907.790079][ T73] fib6_rule_lookup+0x456/0x630 [ 9907.790079][ T73] ip6_route_input+0x59c/0xa50 [ 9907.790079][ T73] ipv6_rcv+0x397/0x810 [ 9907.790079][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9907.790079][ T73] process_backlog+0x101/0x620 [ 9907.790079][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9907.790079][ T73] net_rx_action+0x495/0xbe0 [ 9907.790079][ T73] __do_softirq+0x1b5/0x7f6 [ 9907.790079][ T73] [ 9907.791754][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9907.791754][ T73] netdev_get_by_index+0x5e/0x80 [ 9907.791754][ T73] fib6_nh_init+0x3d8/0x1580 [ 9907.791754][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9907.791754][ T73] ip6_route_add+0x1c/0x140 [ 9907.791754][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9907.791754][ T73] inet6_addr_add+0x4f8/0xa40 [ 9907.791754][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.791754][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.791754][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.791754][ T73] netlink_unicast+0x449/0x710 [ 9907.791754][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.791754][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.791754][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.791754][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.791754][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.791754][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.791754][ T73] [ 9907.793807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9907.793807][ T73] netdev_get_by_index+0x5e/0x80 [ 9907.793807][ T73] fib6_nh_init+0x3d8/0x1580 [ 9907.793807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9907.793807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9907.793807][ T73] ipv6_add_addr+0x411/0x2000 [ 9907.793807][ T73] inet6_addr_add+0x30e/0xa40 [ 9907.793807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.793807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.793807][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.793807][ T73] netlink_unicast+0x449/0x710 [ 9907.793807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.793807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.793807][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.793807][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.793807][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.793807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.793807][ T73] [ 9907.795828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9907.795828][ T73] netdev_get_by_index+0x5e/0x80 [ 9907.795828][ T73] fib6_nh_init+0x3d8/0x1580 [ 9907.795828][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9907.795828][ T73] ip6_route_add+0x1c/0x140 [ 9907.795828][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9907.795828][ T73] addrconf_add_dev+0xe2/0x170 [ 9907.795828][ T73] inet6_addr_add+0x12f/0xa40 [ 9907.795828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.795828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.795828][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.795828][ T73] netlink_unicast+0x449/0x710 [ 9907.795828][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.795828][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.795828][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.795828][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.795828][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.795828][ T73] [ 9907.797812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9907.797812][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9907.797812][ T73] ipv6_find_idev+0x102/0x170 [ 9907.797812][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.797812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.797812][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.797812][ T73] netlink_unicast+0x449/0x710 [ 9907.797812][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.797812][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.797812][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.797812][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.797812][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.797812][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.797812][ T73] [ 9907.799369][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9907.799369][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9907.799369][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9907.799369][ T73] ipv6_find_idev+0x102/0x170 [ 9907.799369][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.799369][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.799369][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.799369][ T73] netlink_unicast+0x449/0x710 [ 9907.799369][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.799369][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.799369][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.799369][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.799369][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.799369][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.799369][ T73] [ 9907.801080][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9907.801324][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9907.801324][ T73] dst_init+0x84/0x4a0 [ 9907.801324][ T73] dst_alloc+0x97/0x150 [ 9907.801324][ T73] ip6_dst_alloc+0x23/0x90 [ 9907.801324][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9907.801324][ T73] ip6_pol_route+0x56f/0x840 [ 9907.801324][ T73] fib6_rule_lookup+0x456/0x630 [ 9907.801324][ T73] ip6_route_input+0x59c/0xa50 [ 9907.801324][ T73] ipv6_rcv+0x397/0x810 [ 9907.801324][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9907.801324][ T73] process_backlog+0x101/0x620 [ 9907.801324][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9907.801324][ T73] net_rx_action+0x495/0xbe0 [ 9907.801324][ T73] __do_softirq+0x1b5/0x7f6 [ 9907.801324][ T73] [ 9907.802977][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9907.802977][ T73] netdev_get_by_index+0x5e/0x80 [ 9907.802977][ T73] fib6_nh_init+0x3d8/0x1580 [ 9907.802977][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9907.802977][ T73] ip6_route_add+0x1c/0x140 [ 9907.802977][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9907.802977][ T73] inet6_addr_add+0x4f8/0xa40 [ 9907.802977][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.802977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.802977][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.802977][ T73] netlink_unicast+0x449/0x710 [ 9907.802977][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.802977][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.802977][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.802977][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.802977][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.802977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.802977][ T73] [ 9907.805002][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9907.805002][ T73] netdev_get_by_index+0x5e/0x80 [ 9907.805002][ T73] fib6_nh_init+0x3d8/0x1580 [ 9907.805002][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9907.805002][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9907.805002][ T73] ipv6_add_addr+0x411/0x2000 [ 9907.805002][ T73] inet6_addr_add+0x30e/0xa40 [ 9907.805002][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.805002][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.805002][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.805002][ T73] netlink_unicast+0x449/0x710 [ 9907.805002][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.805002][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.805002][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.805002][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.805002][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.805002][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.805002][ T73] [ 9907.807043][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9907.807043][ T73] netdev_get_by_index+0x5e/0x80 [ 9907.807043][ T73] fib6_nh_init+0x3d8/0x1580 [ 9907.807043][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9907.807043][ T73] ip6_route_add+0x1c/0x140 [ 9907.807043][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9907.807043][ T73] addrconf_add_dev+0xe2/0x170 [ 9907.807043][ T73] inet6_addr_add+0x12f/0xa40 [ 9907.807043][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9907.807043][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.807043][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.807043][ T73] netlink_unicast+0x449/0x710 [ 9907.807043][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.807043][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.807043][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.807043][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.807043][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.807043][ T73] [ 9907.809047][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9907.809047][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9907.809047][ T73] ipv6_find_idev+0x102/0x170 [ 9907.809047][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.809047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.809047][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.809047][ T73] netlink_unicast+0x449/0x710 [ 9907.809047][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.809047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.809047][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.809047][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.809047][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.809047][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.809047][ T73] [ 9907.810619][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9907.810619][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9907.810619][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9907.810619][ T73] ipv6_find_idev+0x102/0x170 [ 9907.810619][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9907.810619][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9907.810619][ T73] netlink_rcv_skb+0x130/0x360 [ 9907.810619][ T73] netlink_unicast+0x449/0x710 [ 9907.810619][ T73] netlink_sendmsg+0x723/0xbe0 [ 9907.810619][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9907.810619][ T73] ___sys_sendmsg+0xee/0x170 [ 9907.810619][ T73] __sys_sendmsg+0xcd/0x170 [ 9907.810619][ T73] do_syscall_64+0xc6/0x1e0 [ 9907.810619][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9907.810619][ T73] [ 9912.941645][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9912.942136][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9912.942136][ T1076] netdev_get_by_index+0x5e/0x80 [ 9912.942136][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9912.942136][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9912.942136][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9912.942136][ T1076] ipv6_add_addr+0x411/0x2000 [ 9912.942136][ T1076] inet6_addr_add+0x30e/0xa40 [ 9912.942136][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9912.942136][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.942136][ T1076] netlink_rcv_skb+0x130/0x360 [ 9912.942136][ T1076] netlink_unicast+0x449/0x710 [ 9912.942136][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9912.942136][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9912.942136][ T1076] ___sys_sendmsg+0xee/0x170 [ 9912.942136][ T1076] __sys_sendmsg+0xcd/0x170 [ 9912.942136][ T1076] do_syscall_64+0xc6/0x1e0 [ 9912.942136][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.942136][ T1076] [ 9912.944397][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9912.944397][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9912.944397][ T1076] ipv6_find_idev+0x102/0x170 [ 9912.944397][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9912.944397][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.944397][ T1076] netlink_rcv_skb+0x130/0x360 [ 9912.944397][ T1076] netlink_unicast+0x449/0x710 [ 9912.944397][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9912.944397][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9912.944397][ T1076] ___sys_sendmsg+0xee/0x170 [ 9912.944397][ T1076] __sys_sendmsg+0xcd/0x170 [ 9912.944397][ T1076] do_syscall_64+0xc6/0x1e0 [ 9912.944397][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.944397][ T1076] [ 9912.946131][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9912.946131][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9912.946131][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9912.946131][ T1076] ipv6_find_idev+0x102/0x170 [ 9912.946131][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9912.946131][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9912.946131][ T1076] netlink_rcv_skb+0x130/0x360 [ 9912.946131][ T1076] netlink_unicast+0x449/0x710 [ 9912.946131][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9912.946131][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9912.946131][ T1076] ___sys_sendmsg+0xee/0x170 [ 9912.946131][ T1076] __sys_sendmsg+0xcd/0x170 [ 9912.946131][ T1076] do_syscall_64+0xc6/0x1e0 [ 9912.946131][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9912.946131][ T1076] [ 9918.053727][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9918.054165][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9918.054165][ T73] dst_init+0x84/0x4a0 [ 9918.054165][ T73] dst_alloc+0x97/0x150 [ 9918.054165][ T73] ip6_dst_alloc+0x23/0x90 [ 9918.054165][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9918.054165][ T73] ip6_pol_route+0x56f/0x840 [ 9918.054165][ T73] fib6_rule_lookup+0x456/0x630 [ 9918.054165][ T73] ip6_route_input+0x59c/0xa50 [ 9918.054165][ T73] ipv6_rcv+0x397/0x810 [ 9918.054165][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9918.054165][ T73] process_backlog+0x101/0x620 [ 9918.054165][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9918.054165][ T73] net_rx_action+0x495/0xbe0 [ 9918.054165][ T73] __do_softirq+0x1b5/0x7f6 [ 9918.054165][ T73] [ 9918.055847][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9918.055847][ T73] netdev_get_by_index+0x5e/0x80 [ 9918.055847][ T73] fib6_nh_init+0x3d8/0x1580 [ 9918.055847][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9918.055847][ T73] ip6_route_add+0x1c/0x140 [ 9918.055847][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9918.055847][ T73] inet6_addr_add+0x4f8/0xa40 [ 9918.055847][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.055847][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.055847][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.055847][ T73] netlink_unicast+0x449/0x710 [ 9918.055847][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.055847][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.055847][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.055847][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.055847][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.055847][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.055847][ T73] [ 9918.057877][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9918.057877][ T73] netdev_get_by_index+0x5e/0x80 [ 9918.057877][ T73] fib6_nh_init+0x3d8/0x1580 [ 9918.057877][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9918.057877][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9918.057877][ T73] ipv6_add_addr+0x411/0x2000 [ 9918.057877][ T73] inet6_addr_add+0x30e/0xa40 [ 9918.057877][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.057877][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.057877][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.057877][ T73] netlink_unicast+0x449/0x710 [ 9918.057877][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.057877][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.057877][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.057877][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.057877][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.057877][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.057877][ T73] [ 9918.059887][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9918.059887][ T73] netdev_get_by_index+0x5e/0x80 [ 9918.059887][ T73] fib6_nh_init+0x3d8/0x1580 [ 9918.059887][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9918.059887][ T73] ip6_route_add+0x1c/0x140 [ 9918.059887][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9918.059887][ T73] addrconf_add_dev+0xe2/0x170 [ 9918.059887][ T73] inet6_addr_add+0x12f/0xa40 [ 9918.059887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.059887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.059887][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.059887][ T73] netlink_unicast+0x449/0x710 [ 9918.059887][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.059887][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.059887][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.059887][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.059887][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.059887][ T73] [ 9918.061890][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9918.061890][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9918.061890][ T73] ipv6_find_idev+0x102/0x170 [ 9918.061890][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.061890][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.061890][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.061890][ T73] netlink_unicast+0x449/0x710 [ 9918.061890][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.061890][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.061890][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.061890][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.061890][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.061890][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.061890][ T73] [ 9918.063446][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9918.063446][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9918.063446][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9918.063446][ T73] ipv6_find_idev+0x102/0x170 [ 9918.063446][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.063446][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.063446][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.063446][ T73] netlink_unicast+0x449/0x710 [ 9918.063446][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.063446][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.063446][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.063446][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.063446][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.063446][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.063446][ T73] [ 9918.065171][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9918.065424][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9918.065424][ T73] dst_init+0x84/0x4a0 [ 9918.065424][ T73] dst_alloc+0x97/0x150 [ 9918.065424][ T73] ip6_dst_alloc+0x23/0x90 [ 9918.065424][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9918.065424][ T73] ip6_pol_route+0x56f/0x840 [ 9918.065424][ T73] fib6_rule_lookup+0x456/0x630 [ 9918.065424][ T73] ip6_route_input+0x59c/0xa50 [ 9918.065424][ T73] ipv6_rcv+0x397/0x810 [ 9918.065424][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9918.065424][ T73] process_backlog+0x101/0x620 [ 9918.065424][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9918.065424][ T73] net_rx_action+0x495/0xbe0 [ 9918.065424][ T73] __do_softirq+0x1b5/0x7f6 [ 9918.065424][ T73] [ 9918.067077][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9918.067077][ T73] netdev_get_by_index+0x5e/0x80 [ 9918.067077][ T73] fib6_nh_init+0x3d8/0x1580 [ 9918.067077][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9918.067077][ T73] ip6_route_add+0x1c/0x140 [ 9918.067077][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9918.067077][ T73] inet6_addr_add+0x4f8/0xa40 [ 9918.067077][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.067077][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.067077][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.067077][ T73] netlink_unicast+0x449/0x710 [ 9918.067077][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.067077][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.067077][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.067077][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.067077][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.067077][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.067077][ T73] [ 9918.069112][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9918.069112][ T73] netdev_get_by_index+0x5e/0x80 [ 9918.069112][ T73] fib6_nh_init+0x3d8/0x1580 [ 9918.069112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9918.069112][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9918.069112][ T73] ipv6_add_addr+0x411/0x2000 [ 9918.069112][ T73] inet6_addr_add+0x30e/0xa40 [ 9918.069112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.069112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.069112][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.069112][ T73] netlink_unicast+0x449/0x710 [ 9918.069112][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.069112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.069112][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.069112][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.069112][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.069112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.069112][ T73] [ 9918.071135][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9918.071135][ T73] netdev_get_by_index+0x5e/0x80 [ 9918.071135][ T73] fib6_nh_init+0x3d8/0x1580 [ 9918.071135][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9918.071135][ T73] ip6_route_add+0x1c/0x140 [ 9918.071135][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9918.071135][ T73] addrconf_add_dev+0xe2/0x170 [ 9918.071135][ T73] inet6_addr_add+0x12f/0xa40 [ 9918.071135][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9918.071135][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.071135][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.071135][ T73] netlink_unicast+0x449/0x710 [ 9918.071135][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.071135][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.071135][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.071135][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.071135][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.071135][ T73] [ 9918.073114][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9918.073114][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9918.073114][ T73] ipv6_find_idev+0x102/0x170 [ 9918.073114][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.073114][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.073114][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.073114][ T73] netlink_unicast+0x449/0x710 [ 9918.073114][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.073114][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.073114][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.073114][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.073114][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.073114][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.073114][ T73] [ 9918.074667][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9918.074667][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9918.074667][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9918.074667][ T73] ipv6_find_idev+0x102/0x170 [ 9918.074667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9918.074667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9918.074667][ T73] netlink_rcv_skb+0x130/0x360 [ 9918.074667][ T73] netlink_unicast+0x449/0x710 [ 9918.074667][ T73] netlink_sendmsg+0x723/0xbe0 [ 9918.074667][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9918.074667][ T73] ___sys_sendmsg+0xee/0x170 [ 9918.074667][ T73] __sys_sendmsg+0xcd/0x170 [ 9918.074667][ T73] do_syscall_64+0xc6/0x1e0 [ 9918.074667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9918.074667][ T73] [ 9922.949714][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9922.950132][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9922.950132][ T1076] netdev_get_by_index+0x5e/0x80 [ 9922.950132][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9922.950132][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9922.950132][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9922.950132][ T1076] ipv6_add_addr+0x411/0x2000 [ 9922.950132][ T1076] inet6_addr_add+0x30e/0xa40 [ 9922.950132][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9922.950132][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.950132][ T1076] netlink_rcv_skb+0x130/0x360 [ 9922.950132][ T1076] netlink_unicast+0x449/0x710 [ 9922.950132][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9922.950132][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9922.950132][ T1076] ___sys_sendmsg+0xee/0x170 [ 9922.950132][ T1076] __sys_sendmsg+0xcd/0x170 [ 9922.950132][ T1076] do_syscall_64+0xc6/0x1e0 [ 9922.950132][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.950132][ T1076] [ 9922.952394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9922.952394][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9922.952394][ T1076] ipv6_find_idev+0x102/0x170 [ 9922.952394][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9922.952394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.952394][ T1076] netlink_rcv_skb+0x130/0x360 [ 9922.952394][ T1076] netlink_unicast+0x449/0x710 [ 9922.952394][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9922.952394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9922.952394][ T1076] ___sys_sendmsg+0xee/0x170 [ 9922.952394][ T1076] __sys_sendmsg+0xcd/0x170 [ 9922.952394][ T1076] do_syscall_64+0xc6/0x1e0 [ 9922.952394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.952394][ T1076] [ 9922.954127][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9922.954127][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9922.954127][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9922.954127][ T1076] ipv6_find_idev+0x102/0x170 [ 9922.954127][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9922.954127][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9922.954127][ T1076] netlink_rcv_skb+0x130/0x360 [ 9922.954127][ T1076] netlink_unicast+0x449/0x710 [ 9922.954127][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9922.954127][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9922.954127][ T1076] ___sys_sendmsg+0xee/0x170 [ 9922.954127][ T1076] __sys_sendmsg+0xcd/0x170 [ 9922.954127][ T1076] do_syscall_64+0xc6/0x1e0 [ 9922.954127][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9922.954127][ T1076] [ 9928.317699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9928.318064][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9928.318064][ T73] dst_init+0x84/0x4a0 [ 9928.318064][ T73] dst_alloc+0x97/0x150 [ 9928.318064][ T73] ip6_dst_alloc+0x23/0x90 [ 9928.318064][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9928.318064][ T73] ip6_pol_route+0x56f/0x840 [ 9928.318064][ T73] fib6_rule_lookup+0x456/0x630 [ 9928.318064][ T73] ip6_route_input+0x59c/0xa50 [ 9928.318064][ T73] ipv6_rcv+0x397/0x810 [ 9928.318064][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9928.318064][ T73] process_backlog+0x101/0x620 [ 9928.318064][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9928.318064][ T73] net_rx_action+0x495/0xbe0 [ 9928.318064][ T73] __do_softirq+0x1b5/0x7f6 [ 9928.318064][ T73] [ 9928.319747][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9928.319747][ T73] netdev_get_by_index+0x5e/0x80 [ 9928.319747][ T73] fib6_nh_init+0x3d8/0x1580 [ 9928.319747][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9928.319747][ T73] ip6_route_add+0x1c/0x140 [ 9928.319747][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9928.319747][ T73] inet6_addr_add+0x4f8/0xa40 [ 9928.319747][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.319747][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.319747][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.319747][ T73] netlink_unicast+0x449/0x710 [ 9928.319747][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.319747][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.319747][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.319747][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.319747][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.319747][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.319747][ T73] [ 9928.321769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9928.321769][ T73] netdev_get_by_index+0x5e/0x80 [ 9928.321769][ T73] fib6_nh_init+0x3d8/0x1580 [ 9928.321769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9928.321769][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9928.321769][ T73] ipv6_add_addr+0x411/0x2000 [ 9928.321769][ T73] inet6_addr_add+0x30e/0xa40 [ 9928.321769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.321769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.321769][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.321769][ T73] netlink_unicast+0x449/0x710 [ 9928.321769][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.321769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.321769][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.321769][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.321769][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.321769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.321769][ T73] [ 9928.323784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9928.323784][ T73] netdev_get_by_index+0x5e/0x80 [ 9928.323784][ T73] fib6_nh_init+0x3d8/0x1580 [ 9928.323784][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9928.323784][ T73] ip6_route_add+0x1c/0x140 [ 9928.323784][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9928.323784][ T73] addrconf_add_dev+0xe2/0x170 [ 9928.323784][ T73] inet6_addr_add+0x12f/0xa40 [ 9928.323784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.323784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.323784][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.323784][ T73] netlink_unicast+0x449/0x710 [ 9928.323784][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.323784][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.323784][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.323784][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.323784][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.323784][ T73] [ 9928.325765][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9928.325765][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9928.325765][ T73] ipv6_find_idev+0x102/0x170 [ 9928.325765][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.325765][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.325765][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.325765][ T73] netlink_unicast+0x449/0x710 [ 9928.325765][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.325765][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.325765][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.325765][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.325765][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.325765][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.325765][ T73] [ 9928.327327][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9928.327327][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9928.327327][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9928.327327][ T73] ipv6_find_idev+0x102/0x170 [ 9928.327327][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.327327][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.327327][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.327327][ T73] netlink_unicast+0x449/0x710 [ 9928.327327][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.327327][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.327327][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.327327][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.327327][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.327327][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.327327][ T73] [ 9928.329037][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9928.329279][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9928.329279][ T73] dst_init+0x84/0x4a0 [ 9928.329279][ T73] dst_alloc+0x97/0x150 [ 9928.329279][ T73] ip6_dst_alloc+0x23/0x90 [ 9928.329279][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9928.329279][ T73] ip6_pol_route+0x56f/0x840 [ 9928.329279][ T73] fib6_rule_lookup+0x456/0x630 [ 9928.329279][ T73] ip6_route_input+0x59c/0xa50 [ 9928.329279][ T73] ipv6_rcv+0x397/0x810 [ 9928.329279][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9928.329279][ T73] process_backlog+0x101/0x620 [ 9928.329279][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9928.329279][ T73] net_rx_action+0x495/0xbe0 [ 9928.329279][ T73] __do_softirq+0x1b5/0x7f6 [ 9928.329279][ T73] [ 9928.330927][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9928.330927][ T73] netdev_get_by_index+0x5e/0x80 [ 9928.330927][ T73] fib6_nh_init+0x3d8/0x1580 [ 9928.330927][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9928.330927][ T73] ip6_route_add+0x1c/0x140 [ 9928.330927][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9928.330927][ T73] inet6_addr_add+0x4f8/0xa40 [ 9928.330927][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.330927][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.330927][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.330927][ T73] netlink_unicast+0x449/0x710 [ 9928.330927][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.330927][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.330927][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.330927][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.330927][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.330927][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.330927][ T73] [ 9928.332939][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9928.332939][ T73] netdev_get_by_index+0x5e/0x80 [ 9928.332939][ T73] fib6_nh_init+0x3d8/0x1580 [ 9928.332939][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9928.332939][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9928.332939][ T73] ipv6_add_addr+0x411/0x2000 [ 9928.332939][ T73] inet6_addr_add+0x30e/0xa40 [ 9928.332939][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.332939][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.332939][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.332939][ T73] netlink_unicast+0x449/0x710 [ 9928.332939][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.332939][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.332939][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.332939][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.332939][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.332939][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.332939][ T73] [ 9928.334952][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9928.334952][ T73] netdev_get_by_index+0x5e/0x80 [ 9928.334952][ T73] fib6_nh_init+0x3d8/0x1580 [ 9928.334952][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9928.334952][ T73] ip6_route_add+0x1c/0x140 [ 9928.334952][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9928.334952][ T73] addrconf_add_dev+0xe2/0x170 [ 9928.334952][ T73] inet6_addr_add+0x12f/0xa40 [ 9928.334952][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9928.334952][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.334952][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.334952][ T73] netlink_unicast+0x449/0x710 [ 9928.334952][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.334952][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.334952][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.334952][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.334952][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.334952][ T73] [ 9928.336937][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9928.336937][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9928.336937][ T73] ipv6_find_idev+0x102/0x170 [ 9928.336937][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.336937][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.336937][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.336937][ T73] netlink_unicast+0x449/0x710 [ 9928.336937][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.336937][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.336937][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.336937][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.336937][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.336937][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.336937][ T73] [ 9928.338505][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9928.338505][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9928.338505][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9928.338505][ T73] ipv6_find_idev+0x102/0x170 [ 9928.338505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9928.338505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9928.338505][ T73] netlink_rcv_skb+0x130/0x360 [ 9928.338505][ T73] netlink_unicast+0x449/0x710 [ 9928.338505][ T73] netlink_sendmsg+0x723/0xbe0 [ 9928.338505][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9928.338505][ T73] ___sys_sendmsg+0xee/0x170 [ 9928.338505][ T73] __sys_sendmsg+0xcd/0x170 [ 9928.338505][ T73] do_syscall_64+0xc6/0x1e0 [ 9928.338505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9928.338505][ T73] [ 9932.957638][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9932.958060][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9932.958060][ T1076] netdev_get_by_index+0x5e/0x80 [ 9932.958060][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9932.958060][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9932.958060][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9932.958060][ T1076] ipv6_add_addr+0x411/0x2000 [ 9932.958060][ T1076] inet6_addr_add+0x30e/0xa40 [ 9932.958060][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9932.958060][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.958060][ T1076] netlink_rcv_skb+0x130/0x360 [ 9932.958060][ T1076] netlink_unicast+0x449/0x710 [ 9932.958060][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9932.958060][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9932.958060][ T1076] ___sys_sendmsg+0xee/0x170 [ 9932.958060][ T1076] __sys_sendmsg+0xcd/0x170 [ 9932.958060][ T1076] do_syscall_64+0xc6/0x1e0 [ 9932.958060][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.958060][ T1076] [ 9932.960320][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9932.960320][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9932.960320][ T1076] ipv6_find_idev+0x102/0x170 [ 9932.960320][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9932.960320][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.960320][ T1076] netlink_rcv_skb+0x130/0x360 [ 9932.960320][ T1076] netlink_unicast+0x449/0x710 [ 9932.960320][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9932.960320][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9932.960320][ T1076] ___sys_sendmsg+0xee/0x170 [ 9932.960320][ T1076] __sys_sendmsg+0xcd/0x170 [ 9932.960320][ T1076] do_syscall_64+0xc6/0x1e0 [ 9932.960320][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.960320][ T1076] [ 9932.962057][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9932.962057][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9932.962057][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9932.962057][ T1076] ipv6_find_idev+0x102/0x170 [ 9932.962057][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9932.962057][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9932.962057][ T1076] netlink_rcv_skb+0x130/0x360 [ 9932.962057][ T1076] netlink_unicast+0x449/0x710 [ 9932.962057][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9932.962057][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9932.962057][ T1076] ___sys_sendmsg+0xee/0x170 [ 9932.962057][ T1076] __sys_sendmsg+0xcd/0x170 [ 9932.962057][ T1076] do_syscall_64+0xc6/0x1e0 [ 9932.962057][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9932.962057][ T1076] [ 9938.581702][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9938.582061][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9938.582061][ T73] dst_init+0x84/0x4a0 [ 9938.582061][ T73] dst_alloc+0x97/0x150 [ 9938.582061][ T73] ip6_dst_alloc+0x23/0x90 [ 9938.582061][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9938.582061][ T73] ip6_pol_route+0x56f/0x840 [ 9938.582061][ T73] fib6_rule_lookup+0x456/0x630 [ 9938.582061][ T73] ip6_route_input+0x59c/0xa50 [ 9938.582061][ T73] ipv6_rcv+0x397/0x810 [ 9938.582061][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9938.582061][ T73] process_backlog+0x101/0x620 [ 9938.582061][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9938.582061][ T73] net_rx_action+0x495/0xbe0 [ 9938.582061][ T73] __do_softirq+0x1b5/0x7f6 [ 9938.582061][ T73] [ 9938.583750][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9938.583750][ T73] netdev_get_by_index+0x5e/0x80 [ 9938.583750][ T73] fib6_nh_init+0x3d8/0x1580 [ 9938.583750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9938.583750][ T73] ip6_route_add+0x1c/0x140 [ 9938.583750][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9938.583750][ T73] inet6_addr_add+0x4f8/0xa40 [ 9938.583750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.583750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.583750][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.583750][ T73] netlink_unicast+0x449/0x710 [ 9938.583750][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.583750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.583750][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.583750][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.583750][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.583750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.583750][ T73] [ 9938.585769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9938.585769][ T73] netdev_get_by_index+0x5e/0x80 [ 9938.585769][ T73] fib6_nh_init+0x3d8/0x1580 [ 9938.585769][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9938.585769][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9938.585769][ T73] ipv6_add_addr+0x411/0x2000 [ 9938.585769][ T73] inet6_addr_add+0x30e/0xa40 [ 9938.585769][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.585769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.585769][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.585769][ T73] netlink_unicast+0x449/0x710 [ 9938.585769][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.585769][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.585769][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.585769][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.585769][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.585769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.585769][ T73] [ 9938.587807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9938.587807][ T73] netdev_get_by_index+0x5e/0x80 [ 9938.587807][ T73] fib6_nh_init+0x3d8/0x1580 [ 9938.587807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9938.587807][ T73] ip6_route_add+0x1c/0x140 [ 9938.587807][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9938.587807][ T73] addrconf_add_dev+0xe2/0x170 [ 9938.587807][ T73] inet6_addr_add+0x12f/0xa40 [ 9938.587807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.587807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.587807][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.587807][ T73] netlink_unicast+0x449/0x710 [ 9938.587807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.587807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.587807][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.587807][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.587807][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.587807][ T73] [ 9938.589798][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9938.589798][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9938.589798][ T73] ipv6_find_idev+0x102/0x170 [ 9938.589798][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.589798][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.589798][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.589798][ T73] netlink_unicast+0x449/0x710 [ 9938.589798][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.589798][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.589798][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.589798][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.589798][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.589798][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.589798][ T73] [ 9938.591351][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9938.591351][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9938.591351][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9938.591351][ T73] ipv6_find_idev+0x102/0x170 [ 9938.591351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.591351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.591351][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.591351][ T73] netlink_unicast+0x449/0x710 [ 9938.591351][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.591351][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.591351][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.591351][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.591351][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.591351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.591351][ T73] [ 9938.593076][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9938.593319][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9938.593319][ T73] dst_init+0x84/0x4a0 [ 9938.593319][ T73] dst_alloc+0x97/0x150 [ 9938.593319][ T73] ip6_dst_alloc+0x23/0x90 [ 9938.593319][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9938.593319][ T73] ip6_pol_route+0x56f/0x840 [ 9938.593319][ T73] fib6_rule_lookup+0x456/0x630 [ 9938.593319][ T73] ip6_route_input+0x59c/0xa50 [ 9938.593319][ T73] ipv6_rcv+0x397/0x810 [ 9938.593319][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9938.593319][ T73] process_backlog+0x101/0x620 [ 9938.593319][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9938.593319][ T73] net_rx_action+0x495/0xbe0 [ 9938.593319][ T73] __do_softirq+0x1b5/0x7f6 [ 9938.593319][ T73] [ 9938.594981][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9938.594981][ T73] netdev_get_by_index+0x5e/0x80 [ 9938.594981][ T73] fib6_nh_init+0x3d8/0x1580 [ 9938.594981][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9938.594981][ T73] ip6_route_add+0x1c/0x140 [ 9938.594981][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9938.594981][ T73] inet6_addr_add+0x4f8/0xa40 [ 9938.594981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.594981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.594981][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.594981][ T73] netlink_unicast+0x449/0x710 [ 9938.594981][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.594981][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.594981][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.594981][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.594981][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.594981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.594981][ T73] [ 9938.597012][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9938.597012][ T73] netdev_get_by_index+0x5e/0x80 [ 9938.597012][ T73] fib6_nh_init+0x3d8/0x1580 [ 9938.597012][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9938.597012][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9938.597012][ T73] ipv6_add_addr+0x411/0x2000 [ 9938.597012][ T73] inet6_addr_add+0x30e/0xa40 [ 9938.597012][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.597012][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.597012][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.597012][ T73] netlink_unicast+0x449/0x710 [ 9938.597012][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.597012][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.597012][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.597012][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.597012][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.597012][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.597012][ T73] [ 9938.599047][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9938.599047][ T73] netdev_get_by_index+0x5e/0x80 [ 9938.599047][ T73] fib6_nh_init+0x3d8/0x1580 [ 9938.599047][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9938.599047][ T73] ip6_route_add+0x1c/0x140 [ 9938.599047][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9938.599047][ T73] addrconf_add_dev+0xe2/0x170 [ 9938.599047][ T73] inet6_addr_add+0x12f/0xa40 [ 9938.599047][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9938.599047][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.599047][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.599047][ T73] netlink_unicast+0x449/0x710 [ 9938.599047][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.599047][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.599047][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.599047][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.599047][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.599047][ T73] [ 9938.601035][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9938.601035][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9938.601035][ T73] ipv6_find_idev+0x102/0x170 [ 9938.601035][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.601035][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.601035][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.601035][ T73] netlink_unicast+0x449/0x710 [ 9938.601035][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.601035][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.601035][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.601035][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.601035][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.601035][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.601035][ T73] [ 9938.602601][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9938.602601][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9938.602601][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9938.602601][ T73] ipv6_find_idev+0x102/0x170 [ 9938.602601][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9938.602601][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9938.602601][ T73] netlink_rcv_skb+0x130/0x360 [ 9938.602601][ T73] netlink_unicast+0x449/0x710 [ 9938.602601][ T73] netlink_sendmsg+0x723/0xbe0 [ 9938.602601][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9938.602601][ T73] ___sys_sendmsg+0xee/0x170 [ 9938.602601][ T73] __sys_sendmsg+0xcd/0x170 [ 9938.602601][ T73] do_syscall_64+0xc6/0x1e0 [ 9938.602601][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9938.602601][ T73] [ 9943.037637][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9943.038052][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9943.038052][ T1076] netdev_get_by_index+0x5e/0x80 [ 9943.038052][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9943.038052][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9943.038052][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9943.038052][ T1076] ipv6_add_addr+0x411/0x2000 [ 9943.038052][ T1076] inet6_addr_add+0x30e/0xa40 [ 9943.038052][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9943.038052][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.038052][ T1076] netlink_rcv_skb+0x130/0x360 [ 9943.038052][ T1076] netlink_unicast+0x449/0x710 [ 9943.038052][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9943.038052][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9943.038052][ T1076] ___sys_sendmsg+0xee/0x170 [ 9943.038052][ T1076] __sys_sendmsg+0xcd/0x170 [ 9943.038052][ T1076] do_syscall_64+0xc6/0x1e0 [ 9943.038052][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.038052][ T1076] [ 9943.040311][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9943.040311][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9943.040311][ T1076] ipv6_find_idev+0x102/0x170 [ 9943.040311][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9943.040311][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.040311][ T1076] netlink_rcv_skb+0x130/0x360 [ 9943.040311][ T1076] netlink_unicast+0x449/0x710 [ 9943.040311][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9943.040311][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9943.040311][ T1076] ___sys_sendmsg+0xee/0x170 [ 9943.040311][ T1076] __sys_sendmsg+0xcd/0x170 [ 9943.040311][ T1076] do_syscall_64+0xc6/0x1e0 [ 9943.040311][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.040311][ T1076] [ 9943.042050][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9943.042050][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9943.042050][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9943.042050][ T1076] ipv6_find_idev+0x102/0x170 [ 9943.042050][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9943.042050][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9943.042050][ T1076] netlink_rcv_skb+0x130/0x360 [ 9943.042050][ T1076] netlink_unicast+0x449/0x710 [ 9943.042050][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9943.042050][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9943.042050][ T1076] ___sys_sendmsg+0xee/0x170 [ 9943.042050][ T1076] __sys_sendmsg+0xcd/0x170 [ 9943.042050][ T1076] do_syscall_64+0xc6/0x1e0 [ 9943.042050][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9943.042050][ T1076] [ 9948.845641][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9948.846012][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9948.846012][ T73] dst_init+0x84/0x4a0 [ 9948.846012][ T73] dst_alloc+0x97/0x150 [ 9948.846012][ T73] ip6_dst_alloc+0x23/0x90 [ 9948.846012][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9948.846012][ T73] ip6_pol_route+0x56f/0x840 [ 9948.846012][ T73] fib6_rule_lookup+0x456/0x630 [ 9948.846012][ T73] ip6_route_input+0x59c/0xa50 [ 9948.846012][ T73] ipv6_rcv+0x397/0x810 [ 9948.846012][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9948.846012][ T73] process_backlog+0x101/0x620 [ 9948.846012][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9948.846012][ T73] net_rx_action+0x495/0xbe0 [ 9948.846012][ T73] __do_softirq+0x1b5/0x7f6 [ 9948.846012][ T73] [ 9948.847693][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9948.847693][ T73] netdev_get_by_index+0x5e/0x80 [ 9948.847693][ T73] fib6_nh_init+0x3d8/0x1580 [ 9948.847693][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9948.847693][ T73] ip6_route_add+0x1c/0x140 [ 9948.847693][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9948.847693][ T73] inet6_addr_add+0x4f8/0xa40 [ 9948.847693][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.847693][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.847693][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.847693][ T73] netlink_unicast+0x449/0x710 [ 9948.847693][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.847693][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.847693][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.847693][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.847693][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.847693][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.847693][ T73] [ 9948.849714][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9948.849714][ T73] netdev_get_by_index+0x5e/0x80 [ 9948.849714][ T73] fib6_nh_init+0x3d8/0x1580 [ 9948.849714][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9948.849714][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9948.849714][ T73] ipv6_add_addr+0x411/0x2000 [ 9948.849714][ T73] inet6_addr_add+0x30e/0xa40 [ 9948.849714][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.849714][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.849714][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.849714][ T73] netlink_unicast+0x449/0x710 [ 9948.849714][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.849714][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.849714][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.849714][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.849714][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.849714][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.849714][ T73] [ 9948.851727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9948.851727][ T73] netdev_get_by_index+0x5e/0x80 [ 9948.851727][ T73] fib6_nh_init+0x3d8/0x1580 [ 9948.851727][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9948.851727][ T73] ip6_route_add+0x1c/0x140 [ 9948.851727][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9948.851727][ T73] addrconf_add_dev+0xe2/0x170 [ 9948.851727][ T73] inet6_addr_add+0x12f/0xa40 [ 9948.851727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.851727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.851727][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.851727][ T73] netlink_unicast+0x449/0x710 [ 9948.851727][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.851727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.851727][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.851727][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.851727][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.851727][ T73] [ 9948.853711][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9948.853711][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9948.853711][ T73] ipv6_find_idev+0x102/0x170 [ 9948.853711][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.853711][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.853711][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.853711][ T73] netlink_unicast+0x449/0x710 [ 9948.853711][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.853711][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.853711][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.853711][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.853711][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.853711][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.853711][ T73] [ 9948.855266][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9948.855266][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9948.855266][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9948.855266][ T73] ipv6_find_idev+0x102/0x170 [ 9948.855266][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.855266][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.855266][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.855266][ T73] netlink_unicast+0x449/0x710 [ 9948.855266][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.855266][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.855266][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.855266][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.855266][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.855266][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.855266][ T73] [ 9948.856986][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9948.857236][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9948.857236][ T73] dst_init+0x84/0x4a0 [ 9948.857236][ T73] dst_alloc+0x97/0x150 [ 9948.857236][ T73] ip6_dst_alloc+0x23/0x90 [ 9948.857236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9948.857236][ T73] ip6_pol_route+0x56f/0x840 [ 9948.857236][ T73] fib6_rule_lookup+0x456/0x630 [ 9948.857236][ T73] ip6_route_input+0x59c/0xa50 [ 9948.857236][ T73] ipv6_rcv+0x397/0x810 [ 9948.857236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9948.857236][ T73] process_backlog+0x101/0x620 [ 9948.857236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9948.857236][ T73] net_rx_action+0x495/0xbe0 [ 9948.857236][ T73] __do_softirq+0x1b5/0x7f6 [ 9948.857236][ T73] [ 9948.858897][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9948.858897][ T73] netdev_get_by_index+0x5e/0x80 [ 9948.858897][ T73] fib6_nh_init+0x3d8/0x1580 [ 9948.858897][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9948.858897][ T73] ip6_route_add+0x1c/0x140 [ 9948.858897][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9948.858897][ T73] inet6_addr_add+0x4f8/0xa40 [ 9948.858897][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.858897][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.858897][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.858897][ T73] netlink_unicast+0x449/0x710 [ 9948.858897][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.858897][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.858897][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.858897][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.858897][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.858897][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.858897][ T73] [ 9948.860916][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9948.860916][ T73] netdev_get_by_index+0x5e/0x80 [ 9948.860916][ T73] fib6_nh_init+0x3d8/0x1580 [ 9948.860916][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9948.860916][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9948.860916][ T73] ipv6_add_addr+0x411/0x2000 [ 9948.860916][ T73] inet6_addr_add+0x30e/0xa40 [ 9948.860916][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.860916][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.860916][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.860916][ T73] netlink_unicast+0x449/0x710 [ 9948.860916][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.860916][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.860916][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.860916][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.860916][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.860916][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.860916][ T73] [ 9948.862933][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9948.862933][ T73] netdev_get_by_index+0x5e/0x80 [ 9948.862933][ T73] fib6_nh_init+0x3d8/0x1580 [ 9948.862933][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9948.862933][ T73] ip6_route_add+0x1c/0x140 [ 9948.862933][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9948.862933][ T73] addrconf_add_dev+0xe2/0x170 [ 9948.862933][ T73] inet6_addr_add+0x12f/0xa40 [ 9948.862933][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9948.862933][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.862933][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.862933][ T73] netlink_unicast+0x449/0x710 [ 9948.862933][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.862933][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.862933][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.862933][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.862933][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.862933][ T73] [ 9948.864915][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9948.864915][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9948.864915][ T73] ipv6_find_idev+0x102/0x170 [ 9948.864915][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.864915][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.864915][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.864915][ T73] netlink_unicast+0x449/0x710 [ 9948.864915][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.864915][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.864915][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.864915][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.864915][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.864915][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.864915][ T73] [ 9948.866975][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9948.866975][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9948.866975][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9948.866975][ T73] ipv6_find_idev+0x102/0x170 [ 9948.866975][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9948.866975][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9948.866975][ T73] netlink_rcv_skb+0x130/0x360 [ 9948.866975][ T73] netlink_unicast+0x449/0x710 [ 9948.866975][ T73] netlink_sendmsg+0x723/0xbe0 [ 9948.866975][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9948.866975][ T73] ___sys_sendmsg+0xee/0x170 [ 9948.866975][ T73] __sys_sendmsg+0xcd/0x170 [ 9948.866975][ T73] do_syscall_64+0xc6/0x1e0 [ 9948.866975][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9948.866975][ T73] [ 9953.285695][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9953.286199][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9953.286199][ T1076] netdev_get_by_index+0x5e/0x80 [ 9953.286199][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9953.286199][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9953.286199][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9953.286199][ T1076] ipv6_add_addr+0x411/0x2000 [ 9953.286199][ T1076] inet6_addr_add+0x30e/0xa40 [ 9953.286199][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9953.286199][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.286199][ T1076] netlink_rcv_skb+0x130/0x360 [ 9953.286199][ T1076] netlink_unicast+0x449/0x710 [ 9953.286199][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9953.286199][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9953.286199][ T1076] ___sys_sendmsg+0xee/0x170 [ 9953.286199][ T1076] __sys_sendmsg+0xcd/0x170 [ 9953.286199][ T1076] do_syscall_64+0xc6/0x1e0 [ 9953.286199][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.286199][ T1076] [ 9953.288494][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9953.288494][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9953.288494][ T1076] ipv6_find_idev+0x102/0x170 [ 9953.288494][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9953.288494][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.288494][ T1076] netlink_rcv_skb+0x130/0x360 [ 9953.288494][ T1076] netlink_unicast+0x449/0x710 [ 9953.288494][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9953.288494][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9953.288494][ T1076] ___sys_sendmsg+0xee/0x170 [ 9953.288494][ T1076] __sys_sendmsg+0xcd/0x170 [ 9953.288494][ T1076] do_syscall_64+0xc6/0x1e0 [ 9953.288494][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.288494][ T1076] [ 9953.290240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9953.290240][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9953.290240][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9953.290240][ T1076] ipv6_find_idev+0x102/0x170 [ 9953.290240][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9953.290240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9953.290240][ T1076] netlink_rcv_skb+0x130/0x360 [ 9953.290240][ T1076] netlink_unicast+0x449/0x710 [ 9953.290240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9953.290240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9953.290240][ T1076] ___sys_sendmsg+0xee/0x170 [ 9953.290240][ T1076] __sys_sendmsg+0xcd/0x170 [ 9953.290240][ T1076] do_syscall_64+0xc6/0x1e0 [ 9953.290240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9953.290240][ T1076] [ 9959.109635][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9959.110438][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9959.110438][ T73] dst_init+0x84/0x4a0 [ 9959.110438][ T73] dst_alloc+0x97/0x150 [ 9959.110438][ T73] ip6_dst_alloc+0x23/0x90 [ 9959.110438][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9959.110438][ T73] ip6_pol_route+0x56f/0x840 [ 9959.110438][ T73] fib6_rule_lookup+0x456/0x630 [ 9959.110438][ T73] ip6_route_input+0x59c/0xa50 [ 9959.110438][ T73] ipv6_rcv+0x397/0x810 [ 9959.110438][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9959.110438][ T73] process_backlog+0x101/0x620 [ 9959.110438][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9959.110438][ T73] net_rx_action+0x495/0xbe0 [ 9959.110438][ T73] __do_softirq+0x1b5/0x7f6 [ 9959.110438][ T73] [ 9959.112104][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9959.112104][ T73] netdev_get_by_index+0x5e/0x80 [ 9959.112104][ T73] fib6_nh_init+0x3d8/0x1580 [ 9959.112104][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9959.112104][ T73] ip6_route_add+0x1c/0x140 [ 9959.112104][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9959.112104][ T73] inet6_addr_add+0x4f8/0xa40 [ 9959.112104][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.112104][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.112104][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.112104][ T73] netlink_unicast+0x449/0x710 [ 9959.112104][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.112104][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.112104][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.112104][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.112104][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.112104][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.112104][ T73] [ 9959.114112][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9959.114112][ T73] netdev_get_by_index+0x5e/0x80 [ 9959.114112][ T73] fib6_nh_init+0x3d8/0x1580 [ 9959.114112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9959.114112][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9959.114112][ T73] ipv6_add_addr+0x411/0x2000 [ 9959.114112][ T73] inet6_addr_add+0x30e/0xa40 [ 9959.114112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.114112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.114112][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.114112][ T73] netlink_unicast+0x449/0x710 [ 9959.114112][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.114112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.114112][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.114112][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.114112][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.114112][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.114112][ T73] [ 9959.116112][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9959.116112][ T73] netdev_get_by_index+0x5e/0x80 [ 9959.116112][ T73] fib6_nh_init+0x3d8/0x1580 [ 9959.116112][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9959.116112][ T73] ip6_route_add+0x1c/0x140 [ 9959.116112][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9959.116112][ T73] addrconf_add_dev+0xe2/0x170 [ 9959.116112][ T73] inet6_addr_add+0x12f/0xa40 [ 9959.116112][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.116112][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.116112][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.116112][ T73] netlink_unicast+0x449/0x710 [ 9959.116112][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.116112][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.116112][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.116112][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.116112][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.116112][ T73] [ 9959.118090][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9959.118090][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9959.118090][ T73] ipv6_find_idev+0x102/0x170 [ 9959.118090][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.118090][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.118090][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.118090][ T73] netlink_unicast+0x449/0x710 [ 9959.118090][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.118090][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.118090][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.118090][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.118090][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.118090][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.118090][ T73] [ 9959.119629][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9959.119629][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9959.119629][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9959.119629][ T73] ipv6_find_idev+0x102/0x170 [ 9959.119629][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.119629][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.119629][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.119629][ T73] netlink_unicast+0x449/0x710 [ 9959.119629][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.119629][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.119629][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.119629][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.119629][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.119629][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.119629][ T73] [ 9959.121317][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9959.121564][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9959.121564][ T73] dst_init+0x84/0x4a0 [ 9959.121564][ T73] dst_alloc+0x97/0x150 [ 9959.121564][ T73] ip6_dst_alloc+0x23/0x90 [ 9959.121564][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9959.121564][ T73] ip6_pol_route+0x56f/0x840 [ 9959.121564][ T73] fib6_rule_lookup+0x456/0x630 [ 9959.121564][ T73] ip6_route_input+0x59c/0xa50 [ 9959.121564][ T73] ipv6_rcv+0x397/0x810 [ 9959.121564][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9959.121564][ T73] process_backlog+0x101/0x620 [ 9959.121564][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9959.121564][ T73] net_rx_action+0x495/0xbe0 [ 9959.121564][ T73] __do_softirq+0x1b5/0x7f6 [ 9959.121564][ T73] [ 9959.123203][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9959.123203][ T73] netdev_get_by_index+0x5e/0x80 [ 9959.123203][ T73] fib6_nh_init+0x3d8/0x1580 [ 9959.123203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9959.123203][ T73] ip6_route_add+0x1c/0x140 [ 9959.123203][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9959.123203][ T73] inet6_addr_add+0x4f8/0xa40 [ 9959.123203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.123203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.123203][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.123203][ T73] netlink_unicast+0x449/0x710 [ 9959.123203][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.123203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.123203][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.123203][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.123203][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.123203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.123203][ T73] [ 9959.125203][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9959.125203][ T73] netdev_get_by_index+0x5e/0x80 [ 9959.125203][ T73] fib6_nh_init+0x3d8/0x1580 [ 9959.125203][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9959.125203][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9959.125203][ T73] ipv6_add_addr+0x411/0x2000 [ 9959.125203][ T73] inet6_addr_add+0x30e/0xa40 [ 9959.125203][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.125203][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.125203][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.125203][ T73] netlink_unicast+0x449/0x710 [ 9959.125203][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.125203][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.125203][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.125203][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.125203][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.125203][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.125203][ T73] [ 9959.127725][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9959.127725][ T73] netdev_get_by_index+0x5e/0x80 [ 9959.127725][ T73] fib6_nh_init+0x3d8/0x1580 [ 9959.127725][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9959.127725][ T73] ip6_route_add+0x1c/0x140 [ 9959.127725][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9959.127725][ T73] addrconf_add_dev+0xe2/0x170 [ 9959.127725][ T73] inet6_addr_add+0x12f/0xa40 [ 9959.127725][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9959.127725][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.127725][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.127725][ T73] netlink_unicast+0x449/0x710 [ 9959.127725][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.127725][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.127725][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.127725][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.127725][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.127725][ T73] [ 9959.129690][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9959.129690][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9959.129690][ T73] ipv6_find_idev+0x102/0x170 [ 9959.129690][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.129690][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.129690][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.129690][ T73] netlink_unicast+0x449/0x710 [ 9959.129690][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.129690][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.129690][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.129690][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.129690][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.129690][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.129690][ T73] [ 9959.131231][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9959.131231][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9959.131231][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9959.131231][ T73] ipv6_find_idev+0x102/0x170 [ 9959.131231][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9959.131231][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9959.131231][ T73] netlink_rcv_skb+0x130/0x360 [ 9959.131231][ T73] netlink_unicast+0x449/0x710 [ 9959.131231][ T73] netlink_sendmsg+0x723/0xbe0 [ 9959.131231][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9959.131231][ T73] ___sys_sendmsg+0xee/0x170 [ 9959.131231][ T73] __sys_sendmsg+0xcd/0x170 [ 9959.131231][ T73] do_syscall_64+0xc6/0x1e0 [ 9959.131231][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9959.131231][ T73] [ 9963.533697][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9963.534197][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9963.534197][ T1076] netdev_get_by_index+0x5e/0x80 [ 9963.534197][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9963.534197][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9963.534197][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9963.534197][ T1076] ipv6_add_addr+0x411/0x2000 [ 9963.534197][ T1076] inet6_addr_add+0x30e/0xa40 [ 9963.534197][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9963.534197][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.534197][ T1076] netlink_rcv_skb+0x130/0x360 [ 9963.534197][ T1076] netlink_unicast+0x449/0x710 [ 9963.534197][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9963.534197][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9963.534197][ T1076] ___sys_sendmsg+0xee/0x170 [ 9963.534197][ T1076] __sys_sendmsg+0xcd/0x170 [ 9963.534197][ T1076] do_syscall_64+0xc6/0x1e0 [ 9963.534197][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.534197][ T1076] [ 9963.536483][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9963.536483][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9963.536483][ T1076] ipv6_find_idev+0x102/0x170 [ 9963.536483][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9963.536483][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.536483][ T1076] netlink_rcv_skb+0x130/0x360 [ 9963.536483][ T1076] netlink_unicast+0x449/0x710 [ 9963.536483][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9963.536483][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9963.536483][ T1076] ___sys_sendmsg+0xee/0x170 [ 9963.536483][ T1076] __sys_sendmsg+0xcd/0x170 [ 9963.536483][ T1076] do_syscall_64+0xc6/0x1e0 [ 9963.536483][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.536483][ T1076] [ 9963.538240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9963.538240][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9963.538240][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9963.538240][ T1076] ipv6_find_idev+0x102/0x170 [ 9963.538240][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9963.538240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9963.538240][ T1076] netlink_rcv_skb+0x130/0x360 [ 9963.538240][ T1076] netlink_unicast+0x449/0x710 [ 9963.538240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9963.538240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9963.538240][ T1076] ___sys_sendmsg+0xee/0x170 [ 9963.538240][ T1076] __sys_sendmsg+0xcd/0x170 [ 9963.538240][ T1076] do_syscall_64+0xc6/0x1e0 [ 9963.538240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9963.538240][ T1076] [ 9969.373729][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9969.374135][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9969.374135][ T73] dst_init+0x84/0x4a0 [ 9969.374135][ T73] dst_alloc+0x97/0x150 [ 9969.374135][ T73] ip6_dst_alloc+0x23/0x90 [ 9969.374135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9969.374135][ T73] ip6_pol_route+0x56f/0x840 [ 9969.374135][ T73] fib6_rule_lookup+0x456/0x630 [ 9969.374135][ T73] ip6_route_input+0x59c/0xa50 [ 9969.374135][ T73] ipv6_rcv+0x397/0x810 [ 9969.374135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9969.374135][ T73] process_backlog+0x101/0x620 [ 9969.374135][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9969.374135][ T73] net_rx_action+0x495/0xbe0 [ 9969.374135][ T73] __do_softirq+0x1b5/0x7f6 [ 9969.374135][ T73] [ 9969.375808][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9969.375808][ T73] netdev_get_by_index+0x5e/0x80 [ 9969.375808][ T73] fib6_nh_init+0x3d8/0x1580 [ 9969.375808][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9969.375808][ T73] ip6_route_add+0x1c/0x140 [ 9969.375808][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9969.375808][ T73] inet6_addr_add+0x4f8/0xa40 [ 9969.375808][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.375808][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.375808][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.375808][ T73] netlink_unicast+0x449/0x710 [ 9969.375808][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.375808][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.375808][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.375808][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.375808][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.375808][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.375808][ T73] [ 9969.377807][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9969.377807][ T73] netdev_get_by_index+0x5e/0x80 [ 9969.377807][ T73] fib6_nh_init+0x3d8/0x1580 [ 9969.377807][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9969.377807][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9969.377807][ T73] ipv6_add_addr+0x411/0x2000 [ 9969.377807][ T73] inet6_addr_add+0x30e/0xa40 [ 9969.377807][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.377807][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.377807][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.377807][ T73] netlink_unicast+0x449/0x710 [ 9969.377807][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.377807][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.377807][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.377807][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.377807][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.377807][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.377807][ T73] [ 9969.379800][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9969.379800][ T73] netdev_get_by_index+0x5e/0x80 [ 9969.379800][ T73] fib6_nh_init+0x3d8/0x1580 [ 9969.379800][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9969.379800][ T73] ip6_route_add+0x1c/0x140 [ 9969.379800][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9969.379800][ T73] addrconf_add_dev+0xe2/0x170 [ 9969.379800][ T73] inet6_addr_add+0x12f/0xa40 [ 9969.379800][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.379800][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.379800][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.379800][ T73] netlink_unicast+0x449/0x710 [ 9969.379800][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.379800][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.379800][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.379800][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.379800][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.379800][ T73] [ 9969.381756][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9969.381756][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9969.381756][ T73] ipv6_find_idev+0x102/0x170 [ 9969.381756][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.381756][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.381756][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.381756][ T73] netlink_unicast+0x449/0x710 [ 9969.381756][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.381756][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.381756][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.381756][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.381756][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.381756][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.381756][ T73] [ 9969.383289][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9969.383289][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9969.383289][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9969.383289][ T73] ipv6_find_idev+0x102/0x170 [ 9969.383289][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.383289][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.383289][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.383289][ T73] netlink_unicast+0x449/0x710 [ 9969.383289][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.383289][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.383289][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.383289][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.383289][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.383289][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.383289][ T73] [ 9969.384994][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9969.385236][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9969.385236][ T73] dst_init+0x84/0x4a0 [ 9969.385236][ T73] dst_alloc+0x97/0x150 [ 9969.385236][ T73] ip6_dst_alloc+0x23/0x90 [ 9969.385236][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9969.385236][ T73] ip6_pol_route+0x56f/0x840 [ 9969.385236][ T73] fib6_rule_lookup+0x456/0x630 [ 9969.385236][ T73] ip6_route_input+0x59c/0xa50 [ 9969.385236][ T73] ipv6_rcv+0x397/0x810 [ 9969.385236][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9969.385236][ T73] process_backlog+0x101/0x620 [ 9969.385236][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9969.385236][ T73] net_rx_action+0x495/0xbe0 [ 9969.385236][ T73] __do_softirq+0x1b5/0x7f6 [ 9969.385236][ T73] [ 9969.386868][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9969.386868][ T73] netdev_get_by_index+0x5e/0x80 [ 9969.386868][ T73] fib6_nh_init+0x3d8/0x1580 [ 9969.386868][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9969.386868][ T73] ip6_route_add+0x1c/0x140 [ 9969.386868][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9969.386868][ T73] inet6_addr_add+0x4f8/0xa40 [ 9969.386868][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.386868][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.386868][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.386868][ T73] netlink_unicast+0x449/0x710 [ 9969.386868][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.386868][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.386868][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.386868][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.386868][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.386868][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.386868][ T73] [ 9969.388864][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9969.388864][ T73] netdev_get_by_index+0x5e/0x80 [ 9969.388864][ T73] fib6_nh_init+0x3d8/0x1580 [ 9969.388864][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9969.388864][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9969.388864][ T73] ipv6_add_addr+0x411/0x2000 [ 9969.388864][ T73] inet6_addr_add+0x30e/0xa40 [ 9969.388864][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.388864][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.388864][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.388864][ T73] netlink_unicast+0x449/0x710 [ 9969.388864][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.388864][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.388864][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.388864][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.388864][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.388864][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.388864][ T73] [ 9969.390853][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9969.390853][ T73] netdev_get_by_index+0x5e/0x80 [ 9969.390853][ T73] fib6_nh_init+0x3d8/0x1580 [ 9969.390853][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9969.390853][ T73] ip6_route_add+0x1c/0x140 [ 9969.390853][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9969.390853][ T73] addrconf_add_dev+0xe2/0x170 [ 9969.390853][ T73] inet6_addr_add+0x12f/0xa40 [ 9969.390853][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9969.390853][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.390853][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.390853][ T73] netlink_unicast+0x449/0x710 [ 9969.390853][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.390853][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.390853][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.390853][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.390853][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.390853][ T73] [ 9969.392885][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9969.392885][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9969.392885][ T73] ipv6_find_idev+0x102/0x170 [ 9969.392885][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.392885][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.392885][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.392885][ T73] netlink_unicast+0x449/0x710 [ 9969.392885][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.392885][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.392885][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.392885][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.392885][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.392885][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.392885][ T73] [ 9969.394418][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9969.394418][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9969.394418][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9969.394418][ T73] ipv6_find_idev+0x102/0x170 [ 9969.394418][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9969.394418][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9969.394418][ T73] netlink_rcv_skb+0x130/0x360 [ 9969.394418][ T73] netlink_unicast+0x449/0x710 [ 9969.394418][ T73] netlink_sendmsg+0x723/0xbe0 [ 9969.394418][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9969.394418][ T73] ___sys_sendmsg+0xee/0x170 [ 9969.394418][ T73] __sys_sendmsg+0xcd/0x170 [ 9969.394418][ T73] do_syscall_64+0xc6/0x1e0 [ 9969.394418][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9969.394418][ T73] [ 9973.781641][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9973.782070][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9973.782070][ T1076] netdev_get_by_index+0x5e/0x80 [ 9973.782070][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9973.782070][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9973.782070][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9973.782070][ T1076] ipv6_add_addr+0x411/0x2000 [ 9973.782070][ T1076] inet6_addr_add+0x30e/0xa40 [ 9973.782070][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9973.782070][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.782070][ T1076] netlink_rcv_skb+0x130/0x360 [ 9973.782070][ T1076] netlink_unicast+0x449/0x710 [ 9973.782070][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9973.782070][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9973.782070][ T1076] ___sys_sendmsg+0xee/0x170 [ 9973.782070][ T1076] __sys_sendmsg+0xcd/0x170 [ 9973.782070][ T1076] do_syscall_64+0xc6/0x1e0 [ 9973.782070][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.782070][ T1076] [ 9973.784352][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9973.784352][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9973.784352][ T1076] ipv6_find_idev+0x102/0x170 [ 9973.784352][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9973.784352][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.784352][ T1076] netlink_rcv_skb+0x130/0x360 [ 9973.784352][ T1076] netlink_unicast+0x449/0x710 [ 9973.784352][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9973.784352][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9973.784352][ T1076] ___sys_sendmsg+0xee/0x170 [ 9973.784352][ T1076] __sys_sendmsg+0xcd/0x170 [ 9973.784352][ T1076] do_syscall_64+0xc6/0x1e0 [ 9973.784352][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.784352][ T1076] [ 9973.786105][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9973.786105][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9973.786105][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9973.786105][ T1076] ipv6_find_idev+0x102/0x170 [ 9973.786105][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9973.786105][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9973.786105][ T1076] netlink_rcv_skb+0x130/0x360 [ 9973.786105][ T1076] netlink_unicast+0x449/0x710 [ 9973.786105][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9973.786105][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9973.786105][ T1076] ___sys_sendmsg+0xee/0x170 [ 9973.786105][ T1076] __sys_sendmsg+0xcd/0x170 [ 9973.786105][ T1076] do_syscall_64+0xc6/0x1e0 [ 9973.786105][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9973.786105][ T1076] [ 9979.637713][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9979.638073][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9979.638073][ T73] dst_init+0x84/0x4a0 [ 9979.638073][ T73] dst_alloc+0x97/0x150 [ 9979.638073][ T73] ip6_dst_alloc+0x23/0x90 [ 9979.638073][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9979.638073][ T73] ip6_pol_route+0x56f/0x840 [ 9979.638073][ T73] fib6_rule_lookup+0x456/0x630 [ 9979.638073][ T73] ip6_route_input+0x59c/0xa50 [ 9979.638073][ T73] ipv6_rcv+0x397/0x810 [ 9979.638073][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9979.638073][ T73] process_backlog+0x101/0x620 [ 9979.638073][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9979.638073][ T73] net_rx_action+0x495/0xbe0 [ 9979.638073][ T73] __do_softirq+0x1b5/0x7f6 [ 9979.638073][ T73] [ 9979.639755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9979.639755][ T73] netdev_get_by_index+0x5e/0x80 [ 9979.639755][ T73] fib6_nh_init+0x3d8/0x1580 [ 9979.639755][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9979.639755][ T73] ip6_route_add+0x1c/0x140 [ 9979.639755][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9979.639755][ T73] inet6_addr_add+0x4f8/0xa40 [ 9979.639755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.639755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.639755][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.639755][ T73] netlink_unicast+0x449/0x710 [ 9979.639755][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.639755][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.639755][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.639755][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.639755][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.639755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.639755][ T73] [ 9979.641777][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9979.641777][ T73] netdev_get_by_index+0x5e/0x80 [ 9979.641777][ T73] fib6_nh_init+0x3d8/0x1580 [ 9979.641777][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9979.641777][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9979.641777][ T73] ipv6_add_addr+0x411/0x2000 [ 9979.641777][ T73] inet6_addr_add+0x30e/0xa40 [ 9979.641777][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.641777][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.641777][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.641777][ T73] netlink_unicast+0x449/0x710 [ 9979.641777][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.641777][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.641777][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.641777][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.641777][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.641777][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.641777][ T73] [ 9979.643795][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9979.643795][ T73] netdev_get_by_index+0x5e/0x80 [ 9979.643795][ T73] fib6_nh_init+0x3d8/0x1580 [ 9979.643795][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9979.643795][ T73] ip6_route_add+0x1c/0x140 [ 9979.643795][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9979.643795][ T73] addrconf_add_dev+0xe2/0x170 [ 9979.643795][ T73] inet6_addr_add+0x12f/0xa40 [ 9979.643795][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.643795][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.643795][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.643795][ T73] netlink_unicast+0x449/0x710 [ 9979.643795][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.643795][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.643795][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.643795][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.643795][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.643795][ T73] [ 9979.645787][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9979.645787][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9979.645787][ T73] ipv6_find_idev+0x102/0x170 [ 9979.645787][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.645787][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.645787][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.645787][ T73] netlink_unicast+0x449/0x710 [ 9979.645787][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.645787][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.645787][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.645787][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.645787][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.645787][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.645787][ T73] [ 9979.647470][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9979.647470][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9979.647470][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9979.647470][ T73] ipv6_find_idev+0x102/0x170 [ 9979.647470][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.647470][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.647470][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.647470][ T73] netlink_unicast+0x449/0x710 [ 9979.647470][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.647470][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.647470][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.647470][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.647470][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.647470][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.647470][ T73] [ 9979.649215][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9979.649464][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9979.649464][ T73] dst_init+0x84/0x4a0 [ 9979.649464][ T73] dst_alloc+0x97/0x150 [ 9979.649464][ T73] ip6_dst_alloc+0x23/0x90 [ 9979.649464][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9979.649464][ T73] ip6_pol_route+0x56f/0x840 [ 9979.649464][ T73] fib6_rule_lookup+0x456/0x630 [ 9979.649464][ T73] ip6_route_input+0x59c/0xa50 [ 9979.649464][ T73] ipv6_rcv+0x397/0x810 [ 9979.649464][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9979.649464][ T73] process_backlog+0x101/0x620 [ 9979.649464][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9979.649464][ T73] net_rx_action+0x495/0xbe0 [ 9979.649464][ T73] __do_softirq+0x1b5/0x7f6 [ 9979.649464][ T73] [ 9979.651126][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9979.651126][ T73] netdev_get_by_index+0x5e/0x80 [ 9979.651126][ T73] fib6_nh_init+0x3d8/0x1580 [ 9979.651126][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9979.651126][ T73] ip6_route_add+0x1c/0x140 [ 9979.651126][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9979.651126][ T73] inet6_addr_add+0x4f8/0xa40 [ 9979.651126][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.651126][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.651126][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.651126][ T73] netlink_unicast+0x449/0x710 [ 9979.651126][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.651126][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.651126][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.651126][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.651126][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.651126][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.651126][ T73] [ 9979.653156][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9979.653156][ T73] netdev_get_by_index+0x5e/0x80 [ 9979.653156][ T73] fib6_nh_init+0x3d8/0x1580 [ 9979.653156][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9979.653156][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9979.653156][ T73] ipv6_add_addr+0x411/0x2000 [ 9979.653156][ T73] inet6_addr_add+0x30e/0xa40 [ 9979.653156][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.653156][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.653156][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.653156][ T73] netlink_unicast+0x449/0x710 [ 9979.653156][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.653156][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.653156][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.653156][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.653156][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.653156][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.653156][ T73] [ 9979.655180][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9979.655180][ T73] netdev_get_by_index+0x5e/0x80 [ 9979.655180][ T73] fib6_nh_init+0x3d8/0x1580 [ 9979.655180][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9979.655180][ T73] ip6_route_add+0x1c/0x140 [ 9979.655180][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9979.655180][ T73] addrconf_add_dev+0xe2/0x170 [ 9979.655180][ T73] inet6_addr_add+0x12f/0xa40 [ 9979.655180][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9979.655180][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.655180][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.655180][ T73] netlink_unicast+0x449/0x710 [ 9979.655180][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.655180][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.655180][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.655180][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.655180][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.655180][ T73] [ 9979.657174][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9979.657174][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9979.657174][ T73] ipv6_find_idev+0x102/0x170 [ 9979.657174][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.657174][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.657174][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.657174][ T73] netlink_unicast+0x449/0x710 [ 9979.657174][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.657174][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.657174][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.657174][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.657174][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.657174][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.657174][ T73] [ 9979.658727][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9979.658727][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9979.658727][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9979.658727][ T73] ipv6_find_idev+0x102/0x170 [ 9979.658727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9979.658727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9979.658727][ T73] netlink_rcv_skb+0x130/0x360 [ 9979.658727][ T73] netlink_unicast+0x449/0x710 [ 9979.658727][ T73] netlink_sendmsg+0x723/0xbe0 [ 9979.658727][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9979.658727][ T73] ___sys_sendmsg+0xee/0x170 [ 9979.658727][ T73] __sys_sendmsg+0xcd/0x170 [ 9979.658727][ T73] do_syscall_64+0xc6/0x1e0 [ 9979.658727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9979.658727][ T73] [ 9984.029719][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9984.030161][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9984.030161][ T1076] netdev_get_by_index+0x5e/0x80 [ 9984.030161][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9984.030161][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9984.030161][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9984.030161][ T1076] ipv6_add_addr+0x411/0x2000 [ 9984.030161][ T1076] inet6_addr_add+0x30e/0xa40 [ 9984.030161][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9984.030161][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.030161][ T1076] netlink_rcv_skb+0x130/0x360 [ 9984.030161][ T1076] netlink_unicast+0x449/0x710 [ 9984.030161][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9984.030161][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9984.030161][ T1076] ___sys_sendmsg+0xee/0x170 [ 9984.030161][ T1076] __sys_sendmsg+0xcd/0x170 [ 9984.030161][ T1076] do_syscall_64+0xc6/0x1e0 [ 9984.030161][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.030161][ T1076] [ 9984.032453][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9984.032453][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9984.032453][ T1076] ipv6_find_idev+0x102/0x170 [ 9984.032453][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9984.032453][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.032453][ T1076] netlink_rcv_skb+0x130/0x360 [ 9984.032453][ T1076] netlink_unicast+0x449/0x710 [ 9984.032453][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9984.032453][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9984.032453][ T1076] ___sys_sendmsg+0xee/0x170 [ 9984.032453][ T1076] __sys_sendmsg+0xcd/0x170 [ 9984.032453][ T1076] do_syscall_64+0xc6/0x1e0 [ 9984.032453][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.032453][ T1076] [ 9984.034240][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9984.034240][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9984.034240][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9984.034240][ T1076] ipv6_find_idev+0x102/0x170 [ 9984.034240][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9984.034240][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9984.034240][ T1076] netlink_rcv_skb+0x130/0x360 [ 9984.034240][ T1076] netlink_unicast+0x449/0x710 [ 9984.034240][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9984.034240][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9984.034240][ T1076] ___sys_sendmsg+0xee/0x170 [ 9984.034240][ T1076] __sys_sendmsg+0xcd/0x170 [ 9984.034240][ T1076] do_syscall_64+0xc6/0x1e0 [ 9984.034240][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9984.034240][ T1076] [ 9989.901699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [ 9989.902065][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [ 9989.902065][ T73] dst_init+0x84/0x4a0 [ 9989.902065][ T73] dst_alloc+0x97/0x150 [ 9989.902065][ T73] ip6_dst_alloc+0x23/0x90 [ 9989.902065][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9989.902065][ T73] ip6_pol_route+0x56f/0x840 [ 9989.902065][ T73] fib6_rule_lookup+0x456/0x630 [ 9989.902065][ T73] ip6_route_input+0x59c/0xa50 [ 9989.902065][ T73] ipv6_rcv+0x397/0x810 [ 9989.902065][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9989.902065][ T73] process_backlog+0x101/0x620 [ 9989.902065][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9989.902065][ T73] net_rx_action+0x495/0xbe0 [ 9989.902065][ T73] __do_softirq+0x1b5/0x7f6 [ 9989.902065][ T73] [ 9989.903750][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9989.903750][ T73] netdev_get_by_index+0x5e/0x80 [ 9989.903750][ T73] fib6_nh_init+0x3d8/0x1580 [ 9989.903750][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9989.903750][ T73] ip6_route_add+0x1c/0x140 [ 9989.903750][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9989.903750][ T73] inet6_addr_add+0x4f8/0xa40 [ 9989.903750][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.903750][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.903750][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.903750][ T73] netlink_unicast+0x449/0x710 [ 9989.903750][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.903750][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.903750][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.903750][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.903750][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.903750][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.903750][ T73] [ 9989.905789][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9989.905789][ T73] netdev_get_by_index+0x5e/0x80 [ 9989.905789][ T73] fib6_nh_init+0x3d8/0x1580 [ 9989.905789][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9989.905789][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9989.905789][ T73] ipv6_add_addr+0x411/0x2000 [ 9989.905789][ T73] inet6_addr_add+0x30e/0xa40 [ 9989.905789][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.905789][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.905789][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.905789][ T73] netlink_unicast+0x449/0x710 [ 9989.905789][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.905789][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.905789][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.905789][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.905789][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.905789][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.905789][ T73] [ 9989.907811][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9989.907811][ T73] netdev_get_by_index+0x5e/0x80 [ 9989.907811][ T73] fib6_nh_init+0x3d8/0x1580 [ 9989.907811][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9989.907811][ T73] ip6_route_add+0x1c/0x140 [ 9989.907811][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9989.907811][ T73] addrconf_add_dev+0xe2/0x170 [ 9989.907811][ T73] inet6_addr_add+0x12f/0xa40 [ 9989.907811][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.907811][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.907811][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.907811][ T73] netlink_unicast+0x449/0x710 [ 9989.907811][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.907811][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.907811][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.907811][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.907811][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.907811][ T73] [ 9989.909799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9989.909799][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9989.909799][ T73] ipv6_find_idev+0x102/0x170 [ 9989.909799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9989.909799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.909799][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.909799][ T73] netlink_unicast+0x449/0x710 [ 9989.909799][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.909799][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.909799][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.909799][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.909799][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.909799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.909799][ T73] [ 9989.911353][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [ 9989.911353][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9989.911353][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9989.911353][ T73] ipv6_find_idev+0x102/0x170 [ 9989.911353][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9989.911353][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.911353][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.911353][ T73] netlink_unicast+0x449/0x710 [ 9989.911353][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.911353][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.911353][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.911353][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.911353][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.911353][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.911353][ T73] [ 9989.913071][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 9989.913317][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9989.913317][ T73] dst_init+0x84/0x4a0 [ 9989.913317][ T73] dst_alloc+0x97/0x150 [ 9989.913317][ T73] ip6_dst_alloc+0x23/0x90 [ 9989.913317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 9989.913317][ T73] ip6_pol_route+0x56f/0x840 [ 9989.913317][ T73] fib6_rule_lookup+0x456/0x630 [ 9989.913317][ T73] ip6_route_input+0x59c/0xa50 [ 9989.913317][ T73] ipv6_rcv+0x397/0x810 [ 9989.913317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [ 9989.913317][ T73] process_backlog+0x101/0x620 [ 9989.913317][ T73] __napi_poll.constprop.0+0xa2/0x460 [ 9989.913317][ T73] net_rx_action+0x495/0xbe0 [ 9989.913317][ T73] __do_softirq+0x1b5/0x7f6 [ 9989.913317][ T73] [ 9989.914969][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9989.914969][ T73] netdev_get_by_index+0x5e/0x80 [ 9989.914969][ T73] fib6_nh_init+0x3d8/0x1580 [ 9989.914969][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9989.914969][ T73] ip6_route_add+0x1c/0x140 [ 9989.914969][ T73] addrconf_prefix_route+0x2a6/0x430 [ 9989.914969][ T73] inet6_addr_add+0x4f8/0xa40 [ 9989.914969][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.914969][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.914969][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.914969][ T73] netlink_unicast+0x449/0x710 [ 9989.914969][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.914969][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.914969][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.914969][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.914969][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.914969][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.914969][ T73] [ 9989.916987][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9989.916987][ T73] netdev_get_by_index+0x5e/0x80 [ 9989.916987][ T73] fib6_nh_init+0x3d8/0x1580 [ 9989.916987][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9989.916987][ T73] addrconf_f6i_alloc+0x315/0x560 [ 9989.916987][ T73] ipv6_add_addr+0x411/0x2000 [ 9989.916987][ T73] inet6_addr_add+0x30e/0xa40 [ 9989.916987][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.916987][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.916987][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.916987][ T73] netlink_unicast+0x449/0x710 [ 9989.916987][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.916987][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.916987][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.916987][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.916987][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.916987][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.916987][ T73] [ 9989.919013][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9989.919013][ T73] netdev_get_by_index+0x5e/0x80 [ 9989.919013][ T73] fib6_nh_init+0x3d8/0x1580 [ 9989.919013][ T73] ip6_route_info_create+0xf18/0x17d0 [ 9989.919013][ T73] ip6_route_add+0x1c/0x140 [ 9989.919013][ T73] addrconf_add_mroute+0x1ac/0x2c0 [ 9989.919013][ T73] addrconf_add_dev+0xe2/0x170 [ 9989.919013][ T73] inet6_addr_add+0x12f/0xa40 [ 9989.919013][ T73] inet6_rtm_newaddr+0x560/0x6b0 [ 9989.919013][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.919013][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.919013][ T73] netlink_unicast+0x449/0x710 [ 9989.919013][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.919013][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.919013][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.919013][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.919013][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.919013][ T73] [ 9989.920991][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9989.920991][ T73] ipv6_add_dev+0x3ba/0x11c0 [ 9989.920991][ T73] ipv6_find_idev+0x102/0x170 [ 9989.920991][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9989.920991][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.920991][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.920991][ T73] netlink_unicast+0x449/0x710 [ 9989.920991][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.920991][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.920991][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.920991][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.920991][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.920991][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.920991][ T73] [ 9989.922547][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [ 9989.922547][ T73] neigh_parms_alloc+0x1e5/0x510 [ 9989.922547][ T73] ipv6_add_dev+0x2fe/0x11c0 [ 9989.922547][ T73] ipv6_find_idev+0x102/0x170 [ 9989.922547][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [ 9989.922547][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9989.922547][ T73] netlink_rcv_skb+0x130/0x360 [ 9989.922547][ T73] netlink_unicast+0x449/0x710 [ 9989.922547][ T73] netlink_sendmsg+0x723/0xbe0 [ 9989.922547][ T73] ____sys_sendmsg+0x7b2/0xa10 [ 9989.922547][ T73] ___sys_sendmsg+0xee/0x170 [ 9989.922547][ T73] __sys_sendmsg+0xcd/0x170 [ 9989.922547][ T73] do_syscall_64+0xc6/0x1e0 [ 9989.922547][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9989.922547][ T73] [ 9994.045708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [ 9994.046149][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9994.046149][ T1076] netdev_get_by_index+0x5e/0x80 [ 9994.046149][ T1076] fib6_nh_init+0x3d8/0x1580 [ 9994.046149][ T1076] ip6_route_info_create+0xf18/0x17d0 [ 9994.046149][ T1076] addrconf_f6i_alloc+0x315/0x560 [ 9994.046149][ T1076] ipv6_add_addr+0x411/0x2000 [ 9994.046149][ T1076] inet6_addr_add+0x30e/0xa40 [ 9994.046149][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [ 9994.046149][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.046149][ T1076] netlink_rcv_skb+0x130/0x360 [ 9994.046149][ T1076] netlink_unicast+0x449/0x710 [ 9994.046149][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9994.046149][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9994.046149][ T1076] ___sys_sendmsg+0xee/0x170 [ 9994.046149][ T1076] __sys_sendmsg+0xcd/0x170 [ 9994.046149][ T1076] do_syscall_64+0xc6/0x1e0 [ 9994.046149][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.046149][ T1076] [ 9994.048448][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9994.048448][ T1076] ipv6_add_dev+0x3ba/0x11c0 [ 9994.048448][ T1076] ipv6_find_idev+0x102/0x170 [ 9994.048448][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9994.048448][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.048448][ T1076] netlink_rcv_skb+0x130/0x360 [ 9994.048448][ T1076] netlink_unicast+0x449/0x710 [ 9994.048448][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9994.048448][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9994.048448][ T1076] ___sys_sendmsg+0xee/0x170 [ 9994.048448][ T1076] __sys_sendmsg+0xcd/0x170 [ 9994.048448][ T1076] do_syscall_64+0xc6/0x1e0 [ 9994.048448][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.048448][ T1076] [ 9994.050193][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [ 9994.050193][ T1076] neigh_parms_alloc+0x1e5/0x510 [ 9994.050193][ T1076] ipv6_add_dev+0x2fe/0x11c0 [ 9994.050193][ T1076] ipv6_find_idev+0x102/0x170 [ 9994.050193][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [ 9994.050193][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 9994.050193][ T1076] netlink_rcv_skb+0x130/0x360 [ 9994.050193][ T1076] netlink_unicast+0x449/0x710 [ 9994.050193][ T1076] netlink_sendmsg+0x723/0xbe0 [ 9994.050193][ T1076] ____sys_sendmsg+0x7b2/0xa10 [ 9994.050193][ T1076] ___sys_sendmsg+0xee/0x170 [ 9994.050193][ T1076] __sys_sendmsg+0xcd/0x170 [ 9994.050193][ T1076] do_syscall_64+0xc6/0x1e0 [ 9994.050193][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 9994.050193][ T1076] [10000.165699][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10000.166061][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10000.166061][ T73] dst_init+0x84/0x4a0 [10000.166061][ T73] dst_alloc+0x97/0x150 [10000.166061][ T73] ip6_dst_alloc+0x23/0x90 [10000.166061][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10000.166061][ T73] ip6_pol_route+0x56f/0x840 [10000.166061][ T73] fib6_rule_lookup+0x456/0x630 [10000.166061][ T73] ip6_route_input+0x59c/0xa50 [10000.166061][ T73] ipv6_rcv+0x397/0x810 [10000.166061][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10000.166061][ T73] process_backlog+0x101/0x620 [10000.166061][ T73] __napi_poll.constprop.0+0xa2/0x460 [10000.166061][ T73] net_rx_action+0x495/0xbe0 [10000.166061][ T73] __do_softirq+0x1b5/0x7f6 [10000.166061][ T73] [10000.167745][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10000.167745][ T73] netdev_get_by_index+0x5e/0x80 [10000.167745][ T73] fib6_nh_init+0x3d8/0x1580 [10000.167745][ T73] ip6_route_info_create+0xf18/0x17d0 [10000.167745][ T73] ip6_route_add+0x1c/0x140 [10000.167745][ T73] addrconf_prefix_route+0x2a6/0x430 [10000.167745][ T73] inet6_addr_add+0x4f8/0xa40 [10000.167745][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10000.167745][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.167745][ T73] netlink_rcv_skb+0x130/0x360 [10000.167745][ T73] netlink_unicast+0x449/0x710 [10000.167745][ T73] netlink_sendmsg+0x723/0xbe0 [10000.167745][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.167745][ T73] ___sys_sendmsg+0xee/0x170 [10000.167745][ T73] __sys_sendmsg+0xcd/0x170 [10000.167745][ T73] do_syscall_64+0xc6/0x1e0 [10000.167745][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.167745][ T73] [10000.169759][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10000.169759][ T73] netdev_get_by_index+0x5e/0x80 [10000.169759][ T73] fib6_nh_init+0x3d8/0x1580 [10000.169759][ T73] ip6_route_info_create+0xf18/0x17d0 [10000.169759][ T73] addrconf_f6i_alloc+0x315/0x560 [10000.169759][ T73] ipv6_add_addr+0x411/0x2000 [10000.169759][ T73] inet6_addr_add+0x30e/0xa40 [10000.169759][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10000.169759][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.169759][ T73] netlink_rcv_skb+0x130/0x360 [10000.169759][ T73] netlink_unicast+0x449/0x710 [10000.169759][ T73] netlink_sendmsg+0x723/0xbe0 [10000.169759][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.169759][ T73] ___sys_sendmsg+0xee/0x170 [10000.169759][ T73] __sys_sendmsg+0xcd/0x170 [10000.169759][ T73] do_syscall_64+0xc6/0x1e0 [10000.169759][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.169759][ T73] [10000.171791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10000.171791][ T73] netdev_get_by_index+0x5e/0x80 [10000.171791][ T73] fib6_nh_init+0x3d8/0x1580 [10000.171791][ T73] ip6_route_info_create+0xf18/0x17d0 [10000.171791][ T73] ip6_route_add+0x1c/0x140 [10000.171791][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10000.171791][ T73] addrconf_add_dev+0xe2/0x170 [10000.171791][ T73] inet6_addr_add+0x12f/0xa40 [10000.171791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10000.171791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.171791][ T73] netlink_rcv_skb+0x130/0x360 [10000.171791][ T73] netlink_unicast+0x449/0x710 [10000.171791][ T73] netlink_sendmsg+0x723/0xbe0 [10000.171791][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.171791][ T73] ___sys_sendmsg+0xee/0x170 [10000.171791][ T73] __sys_sendmsg+0xcd/0x170 [10000.171791][ T73] do_syscall_64+0xc6/0x1e0 [10000.171791][ T73] [10000.173773][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10000.173773][ T73] ipv6_add_dev+0x3ba/0x11c0 [10000.173773][ T73] ipv6_find_idev+0x102/0x170 [10000.173773][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10000.173773][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.173773][ T73] netlink_rcv_skb+0x130/0x360 [10000.173773][ T73] netlink_unicast+0x449/0x710 [10000.173773][ T73] netlink_sendmsg+0x723/0xbe0 [10000.173773][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.173773][ T73] ___sys_sendmsg+0xee/0x170 [10000.173773][ T73] __sys_sendmsg+0xcd/0x170 [10000.173773][ T73] do_syscall_64+0xc6/0x1e0 [10000.173773][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.173773][ T73] [10000.175318][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10000.175318][ T73] neigh_parms_alloc+0x1e5/0x510 [10000.175318][ T73] ipv6_add_dev+0x2fe/0x11c0 [10000.175318][ T73] ipv6_find_idev+0x102/0x170 [10000.175318][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10000.175318][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.175318][ T73] netlink_rcv_skb+0x130/0x360 [10000.175318][ T73] netlink_unicast+0x449/0x710 [10000.175318][ T73] netlink_sendmsg+0x723/0xbe0 [10000.175318][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.175318][ T73] ___sys_sendmsg+0xee/0x170 [10000.175318][ T73] __sys_sendmsg+0xcd/0x170 [10000.175318][ T73] do_syscall_64+0xc6/0x1e0 [10000.175318][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.175318][ T73] [10000.177042][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10000.177289][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10000.177289][ T73] dst_init+0x84/0x4a0 [10000.177289][ T73] dst_alloc+0x97/0x150 [10000.177289][ T73] ip6_dst_alloc+0x23/0x90 [10000.177289][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10000.177289][ T73] ip6_pol_route+0x56f/0x840 [10000.177289][ T73] fib6_rule_lookup+0x456/0x630 [10000.177289][ T73] ip6_route_input+0x59c/0xa50 [10000.177289][ T73] ipv6_rcv+0x397/0x810 [10000.177289][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10000.177289][ T73] process_backlog+0x101/0x620 [10000.177289][ T73] __napi_poll.constprop.0+0xa2/0x460 [10000.177289][ T73] net_rx_action+0x495/0xbe0 [10000.177289][ T73] __do_softirq+0x1b5/0x7f6 [10000.177289][ T73] [10000.178942][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10000.178942][ T73] netdev_get_by_index+0x5e/0x80 [10000.178942][ T73] fib6_nh_init+0x3d8/0x1580 [10000.178942][ T73] ip6_route_info_create+0xf18/0x17d0 [10000.178942][ T73] ip6_route_add+0x1c/0x140 [10000.178942][ T73] addrconf_prefix_route+0x2a6/0x430 [10000.178942][ T73] inet6_addr_add+0x4f8/0xa40 [10000.178942][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10000.178942][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.178942][ T73] netlink_rcv_skb+0x130/0x360 [10000.178942][ T73] netlink_unicast+0x449/0x710 [10000.178942][ T73] netlink_sendmsg+0x723/0xbe0 [10000.178942][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.178942][ T73] ___sys_sendmsg+0xee/0x170 [10000.178942][ T73] __sys_sendmsg+0xcd/0x170 [10000.178942][ T73] do_syscall_64+0xc6/0x1e0 [10000.178942][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.178942][ T73] [10000.180959][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10000.180959][ T73] netdev_get_by_index+0x5e/0x80 [10000.180959][ T73] fib6_nh_init+0x3d8/0x1580 [10000.180959][ T73] ip6_route_info_create+0xf18/0x17d0 [10000.180959][ T73] addrconf_f6i_alloc+0x315/0x560 [10000.180959][ T73] ipv6_add_addr+0x411/0x2000 [10000.180959][ T73] inet6_addr_add+0x30e/0xa40 [10000.180959][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10000.180959][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.180959][ T73] netlink_rcv_skb+0x130/0x360 [10000.180959][ T73] netlink_unicast+0x449/0x710 [10000.180959][ T73] netlink_sendmsg+0x723/0xbe0 [10000.180959][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.180959][ T73] ___sys_sendmsg+0xee/0x170 [10000.180959][ T73] __sys_sendmsg+0xcd/0x170 [10000.180959][ T73] do_syscall_64+0xc6/0x1e0 [10000.180959][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.180959][ T73] [10000.182979][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10000.182979][ T73] netdev_get_by_index+0x5e/0x80 [10000.182979][ T73] fib6_nh_init+0x3d8/0x1580 [10000.182979][ T73] ip6_route_info_create+0xf18/0x17d0 [10000.182979][ T73] ip6_route_add+0x1c/0x140 [10000.182979][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10000.182979][ T73] addrconf_add_dev+0xe2/0x170 [10000.182979][ T73] inet6_addr_add+0x12f/0xa40 [10000.182979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10000.182979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.182979][ T73] netlink_rcv_skb+0x130/0x360 [10000.182979][ T73] netlink_unicast+0x449/0x710 [10000.182979][ T73] netlink_sendmsg+0x723/0xbe0 [10000.182979][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.182979][ T73] ___sys_sendmsg+0xee/0x170 [10000.182979][ T73] __sys_sendmsg+0xcd/0x170 [10000.182979][ T73] do_syscall_64+0xc6/0x1e0 [10000.182979][ T73] [10000.184962][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10000.184962][ T73] ipv6_add_dev+0x3ba/0x11c0 [10000.184962][ T73] ipv6_find_idev+0x102/0x170 [10000.184962][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10000.184962][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.184962][ T73] netlink_rcv_skb+0x130/0x360 [10000.184962][ T73] netlink_unicast+0x449/0x710 [10000.184962][ T73] netlink_sendmsg+0x723/0xbe0 [10000.184962][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.184962][ T73] ___sys_sendmsg+0xee/0x170 [10000.184962][ T73] __sys_sendmsg+0xcd/0x170 [10000.184962][ T73] do_syscall_64+0xc6/0x1e0 [10000.184962][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.184962][ T73] [10000.186618][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10000.186618][ T73] neigh_parms_alloc+0x1e5/0x510 [10000.186618][ T73] ipv6_add_dev+0x2fe/0x11c0 [10000.186618][ T73] ipv6_find_idev+0x102/0x170 [10000.186618][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10000.186618][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10000.186618][ T73] netlink_rcv_skb+0x130/0x360 [10000.186618][ T73] netlink_unicast+0x449/0x710 [10000.186618][ T73] netlink_sendmsg+0x723/0xbe0 [10000.186618][ T73] ____sys_sendmsg+0x7b2/0xa10 [10000.186618][ T73] ___sys_sendmsg+0xee/0x170 [10000.186618][ T73] __sys_sendmsg+0xcd/0x170 [10000.186618][ T73] do_syscall_64+0xc6/0x1e0 [10000.186618][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10000.186618][ T73] [10004.085711][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10004.086209][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10004.086209][ T1076] netdev_get_by_index+0x5e/0x80 [10004.086209][ T1076] fib6_nh_init+0x3d8/0x1580 [10004.086209][ T1076] ip6_route_info_create+0xf18/0x17d0 [10004.086209][ T1076] addrconf_f6i_alloc+0x315/0x560 [10004.086209][ T1076] ipv6_add_addr+0x411/0x2000 [10004.086209][ T1076] inet6_addr_add+0x30e/0xa40 [10004.086209][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10004.086209][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.086209][ T1076] netlink_rcv_skb+0x130/0x360 [10004.086209][ T1076] netlink_unicast+0x449/0x710 [10004.086209][ T1076] netlink_sendmsg+0x723/0xbe0 [10004.086209][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10004.086209][ T1076] ___sys_sendmsg+0xee/0x170 [10004.086209][ T1076] __sys_sendmsg+0xcd/0x170 [10004.086209][ T1076] do_syscall_64+0xc6/0x1e0 [10004.086209][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.086209][ T1076] [10004.088517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10004.088517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10004.088517][ T1076] ipv6_find_idev+0x102/0x170 [10004.088517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10004.088517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.088517][ T1076] netlink_rcv_skb+0x130/0x360 [10004.088517][ T1076] netlink_unicast+0x449/0x710 [10004.088517][ T1076] netlink_sendmsg+0x723/0xbe0 [10004.088517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10004.088517][ T1076] ___sys_sendmsg+0xee/0x170 [10004.088517][ T1076] __sys_sendmsg+0xcd/0x170 [10004.088517][ T1076] do_syscall_64+0xc6/0x1e0 [10004.088517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.088517][ T1076] [10004.090287][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10004.090287][ T1076] neigh_parms_alloc+0x1e5/0x510 [10004.090287][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10004.090287][ T1076] ipv6_find_idev+0x102/0x170 [10004.090287][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10004.090287][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10004.090287][ T1076] netlink_rcv_skb+0x130/0x360 [10004.090287][ T1076] netlink_unicast+0x449/0x710 [10004.090287][ T1076] netlink_sendmsg+0x723/0xbe0 [10004.090287][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10004.090287][ T1076] ___sys_sendmsg+0xee/0x170 [10004.090287][ T1076] __sys_sendmsg+0xcd/0x170 [10004.090287][ T1076] do_syscall_64+0xc6/0x1e0 [10004.090287][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10004.090287][ T1076] [10010.429715][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10010.430087][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10010.430087][ T73] dst_init+0x84/0x4a0 [10010.430087][ T73] dst_alloc+0x97/0x150 [10010.430087][ T73] ip6_dst_alloc+0x23/0x90 [10010.430087][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10010.430087][ T73] ip6_pol_route+0x56f/0x840 [10010.430087][ T73] fib6_rule_lookup+0x456/0x630 [10010.430087][ T73] ip6_route_input+0x59c/0xa50 [10010.430087][ T73] ipv6_rcv+0x397/0x810 [10010.430087][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10010.430087][ T73] process_backlog+0x101/0x620 [10010.430087][ T73] __napi_poll.constprop.0+0xa2/0x460 [10010.430087][ T73] net_rx_action+0x495/0xbe0 [10010.430087][ T73] __do_softirq+0x1b5/0x7f6 [10010.430087][ T73] [10010.431761][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10010.431761][ T73] netdev_get_by_index+0x5e/0x80 [10010.431761][ T73] fib6_nh_init+0x3d8/0x1580 [10010.431761][ T73] ip6_route_info_create+0xf18/0x17d0 [10010.431761][ T73] ip6_route_add+0x1c/0x140 [10010.431761][ T73] addrconf_prefix_route+0x2a6/0x430 [10010.431761][ T73] inet6_addr_add+0x4f8/0xa40 [10010.431761][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10010.431761][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.431761][ T73] netlink_rcv_skb+0x130/0x360 [10010.431761][ T73] netlink_unicast+0x449/0x710 [10010.431761][ T73] netlink_sendmsg+0x723/0xbe0 [10010.431761][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.431761][ T73] ___sys_sendmsg+0xee/0x170 [10010.431761][ T73] __sys_sendmsg+0xcd/0x170 [10010.431761][ T73] do_syscall_64+0xc6/0x1e0 [10010.431761][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.431761][ T73] [10010.433743][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10010.433743][ T73] netdev_get_by_index+0x5e/0x80 [10010.433743][ T73] fib6_nh_init+0x3d8/0x1580 [10010.433743][ T73] ip6_route_info_create+0xf18/0x17d0 [10010.433743][ T73] addrconf_f6i_alloc+0x315/0x560 [10010.433743][ T73] ipv6_add_addr+0x411/0x2000 [10010.433743][ T73] inet6_addr_add+0x30e/0xa40 [10010.433743][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10010.433743][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.433743][ T73] netlink_rcv_skb+0x130/0x360 [10010.433743][ T73] netlink_unicast+0x449/0x710 [10010.433743][ T73] netlink_sendmsg+0x723/0xbe0 [10010.433743][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.433743][ T73] ___sys_sendmsg+0xee/0x170 [10010.433743][ T73] __sys_sendmsg+0xcd/0x170 [10010.433743][ T73] do_syscall_64+0xc6/0x1e0 [10010.433743][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.433743][ T73] [10010.435782][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10010.435782][ T73] netdev_get_by_index+0x5e/0x80 [10010.435782][ T73] fib6_nh_init+0x3d8/0x1580 [10010.435782][ T73] ip6_route_info_create+0xf18/0x17d0 [10010.435782][ T73] ip6_route_add+0x1c/0x140 [10010.435782][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10010.435782][ T73] addrconf_add_dev+0xe2/0x170 [10010.435782][ T73] inet6_addr_add+0x12f/0xa40 [10010.435782][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10010.435782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.435782][ T73] netlink_rcv_skb+0x130/0x360 [10010.435782][ T73] netlink_unicast+0x449/0x710 [10010.435782][ T73] netlink_sendmsg+0x723/0xbe0 [10010.435782][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.435782][ T73] ___sys_sendmsg+0xee/0x170 [10010.435782][ T73] __sys_sendmsg+0xcd/0x170 [10010.435782][ T73] do_syscall_64+0xc6/0x1e0 [10010.435782][ T73] [10010.437769][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10010.437769][ T73] ipv6_add_dev+0x3ba/0x11c0 [10010.437769][ T73] ipv6_find_idev+0x102/0x170 [10010.437769][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10010.437769][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.437769][ T73] netlink_rcv_skb+0x130/0x360 [10010.437769][ T73] netlink_unicast+0x449/0x710 [10010.437769][ T73] netlink_sendmsg+0x723/0xbe0 [10010.437769][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.437769][ T73] ___sys_sendmsg+0xee/0x170 [10010.437769][ T73] __sys_sendmsg+0xcd/0x170 [10010.437769][ T73] do_syscall_64+0xc6/0x1e0 [10010.437769][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.437769][ T73] [10010.439347][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10010.439347][ T73] neigh_parms_alloc+0x1e5/0x510 [10010.439347][ T73] ipv6_add_dev+0x2fe/0x11c0 [10010.439347][ T73] ipv6_find_idev+0x102/0x170 [10010.439347][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10010.439347][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.439347][ T73] netlink_rcv_skb+0x130/0x360 [10010.439347][ T73] netlink_unicast+0x449/0x710 [10010.439347][ T73] netlink_sendmsg+0x723/0xbe0 [10010.439347][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.439347][ T73] ___sys_sendmsg+0xee/0x170 [10010.439347][ T73] __sys_sendmsg+0xcd/0x170 [10010.439347][ T73] do_syscall_64+0xc6/0x1e0 [10010.439347][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.439347][ T73] [10010.441068][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10010.441313][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10010.441313][ T73] dst_init+0x84/0x4a0 [10010.441313][ T73] dst_alloc+0x97/0x150 [10010.441313][ T73] ip6_dst_alloc+0x23/0x90 [10010.441313][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10010.441313][ T73] ip6_pol_route+0x56f/0x840 [10010.441313][ T73] fib6_rule_lookup+0x456/0x630 [10010.441313][ T73] ip6_route_input+0x59c/0xa50 [10010.441313][ T73] ipv6_rcv+0x397/0x810 [10010.441313][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10010.441313][ T73] process_backlog+0x101/0x620 [10010.441313][ T73] __napi_poll.constprop.0+0xa2/0x460 [10010.441313][ T73] net_rx_action+0x495/0xbe0 [10010.441313][ T73] __do_softirq+0x1b5/0x7f6 [10010.441313][ T73] [10010.442970][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10010.442970][ T73] netdev_get_by_index+0x5e/0x80 [10010.442970][ T73] fib6_nh_init+0x3d8/0x1580 [10010.442970][ T73] ip6_route_info_create+0xf18/0x17d0 [10010.442970][ T73] ip6_route_add+0x1c/0x140 [10010.442970][ T73] addrconf_prefix_route+0x2a6/0x430 [10010.442970][ T73] inet6_addr_add+0x4f8/0xa40 [10010.442970][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10010.442970][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.442970][ T73] netlink_rcv_skb+0x130/0x360 [10010.442970][ T73] netlink_unicast+0x449/0x710 [10010.442970][ T73] netlink_sendmsg+0x723/0xbe0 [10010.442970][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.442970][ T73] ___sys_sendmsg+0xee/0x170 [10010.442970][ T73] __sys_sendmsg+0xcd/0x170 [10010.442970][ T73] do_syscall_64+0xc6/0x1e0 [10010.442970][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.442970][ T73] [10010.444990][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10010.444990][ T73] netdev_get_by_index+0x5e/0x80 [10010.444990][ T73] fib6_nh_init+0x3d8/0x1580 [10010.444990][ T73] ip6_route_info_create+0xf18/0x17d0 [10010.444990][ T73] addrconf_f6i_alloc+0x315/0x560 [10010.444990][ T73] ipv6_add_addr+0x411/0x2000 [10010.444990][ T73] inet6_addr_add+0x30e/0xa40 [10010.444990][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10010.444990][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.444990][ T73] netlink_rcv_skb+0x130/0x360 [10010.444990][ T73] netlink_unicast+0x449/0x710 [10010.444990][ T73] netlink_sendmsg+0x723/0xbe0 [10010.444990][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.444990][ T73] ___sys_sendmsg+0xee/0x170 [10010.444990][ T73] __sys_sendmsg+0xcd/0x170 [10010.444990][ T73] do_syscall_64+0xc6/0x1e0 [10010.444990][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.444990][ T73] [10010.447027][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10010.447027][ T73] netdev_get_by_index+0x5e/0x80 [10010.447027][ T73] fib6_nh_init+0x3d8/0x1580 [10010.447027][ T73] ip6_route_info_create+0xf18/0x17d0 [10010.447027][ T73] ip6_route_add+0x1c/0x140 [10010.447027][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10010.447027][ T73] addrconf_add_dev+0xe2/0x170 [10010.447027][ T73] inet6_addr_add+0x12f/0xa40 [10010.447027][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10010.447027][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.447027][ T73] netlink_rcv_skb+0x130/0x360 [10010.447027][ T73] netlink_unicast+0x449/0x710 [10010.447027][ T73] netlink_sendmsg+0x723/0xbe0 [10010.447027][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.447027][ T73] ___sys_sendmsg+0xee/0x170 [10010.447027][ T73] __sys_sendmsg+0xcd/0x170 [10010.447027][ T73] do_syscall_64+0xc6/0x1e0 [10010.447027][ T73] [10010.449016][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10010.449016][ T73] ipv6_add_dev+0x3ba/0x11c0 [10010.449016][ T73] ipv6_find_idev+0x102/0x170 [10010.449016][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10010.449016][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.449016][ T73] netlink_rcv_skb+0x130/0x360 [10010.449016][ T73] netlink_unicast+0x449/0x710 [10010.449016][ T73] netlink_sendmsg+0x723/0xbe0 [10010.449016][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.449016][ T73] ___sys_sendmsg+0xee/0x170 [10010.449016][ T73] __sys_sendmsg+0xcd/0x170 [10010.449016][ T73] do_syscall_64+0xc6/0x1e0 [10010.449016][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.449016][ T73] [10010.450583][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10010.450583][ T73] neigh_parms_alloc+0x1e5/0x510 [10010.450583][ T73] ipv6_add_dev+0x2fe/0x11c0 [10010.450583][ T73] ipv6_find_idev+0x102/0x170 [10010.450583][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10010.450583][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10010.450583][ T73] netlink_rcv_skb+0x130/0x360 [10010.450583][ T73] netlink_unicast+0x449/0x710 [10010.450583][ T73] netlink_sendmsg+0x723/0xbe0 [10010.450583][ T73] ____sys_sendmsg+0x7b2/0xa10 [10010.450583][ T73] ___sys_sendmsg+0xee/0x170 [10010.450583][ T73] __sys_sendmsg+0xcd/0x170 [10010.450583][ T73] do_syscall_64+0xc6/0x1e0 [10010.450583][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10010.450583][ T73] [10014.333709][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10014.334155][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10014.334155][ T1076] netdev_get_by_index+0x5e/0x80 [10014.334155][ T1076] fib6_nh_init+0x3d8/0x1580 [10014.334155][ T1076] ip6_route_info_create+0xf18/0x17d0 [10014.334155][ T1076] addrconf_f6i_alloc+0x315/0x560 [10014.334155][ T1076] ipv6_add_addr+0x411/0x2000 [10014.334155][ T1076] inet6_addr_add+0x30e/0xa40 [10014.334155][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10014.334155][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.334155][ T1076] netlink_rcv_skb+0x130/0x360 [10014.334155][ T1076] netlink_unicast+0x449/0x710 [10014.334155][ T1076] netlink_sendmsg+0x723/0xbe0 [10014.334155][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10014.334155][ T1076] ___sys_sendmsg+0xee/0x170 [10014.334155][ T1076] __sys_sendmsg+0xcd/0x170 [10014.334155][ T1076] do_syscall_64+0xc6/0x1e0 [10014.334155][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.334155][ T1076] [10014.336415][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10014.336415][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10014.336415][ T1076] ipv6_find_idev+0x102/0x170 [10014.336415][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10014.336415][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.336415][ T1076] netlink_rcv_skb+0x130/0x360 [10014.336415][ T1076] netlink_unicast+0x449/0x710 [10014.336415][ T1076] netlink_sendmsg+0x723/0xbe0 [10014.336415][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10014.336415][ T1076] ___sys_sendmsg+0xee/0x170 [10014.336415][ T1076] __sys_sendmsg+0xcd/0x170 [10014.336415][ T1076] do_syscall_64+0xc6/0x1e0 [10014.336415][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.336415][ T1076] [10014.338173][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10014.338173][ T1076] neigh_parms_alloc+0x1e5/0x510 [10014.338173][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10014.338173][ T1076] ipv6_find_idev+0x102/0x170 [10014.338173][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10014.338173][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10014.338173][ T1076] netlink_rcv_skb+0x130/0x360 [10014.338173][ T1076] netlink_unicast+0x449/0x710 [10014.338173][ T1076] netlink_sendmsg+0x723/0xbe0 [10014.338173][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10014.338173][ T1076] ___sys_sendmsg+0xee/0x170 [10014.338173][ T1076] __sys_sendmsg+0xcd/0x170 [10014.338173][ T1076] do_syscall_64+0xc6/0x1e0 [10014.338173][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10014.338173][ T1076] [10020.693725][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10020.694095][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10020.694095][ T73] dst_init+0x84/0x4a0 [10020.694095][ T73] dst_alloc+0x97/0x150 [10020.694095][ T73] ip6_dst_alloc+0x23/0x90 [10020.694095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10020.694095][ T73] ip6_pol_route+0x56f/0x840 [10020.694095][ T73] fib6_rule_lookup+0x456/0x630 [10020.694095][ T73] ip6_route_input+0x59c/0xa50 [10020.694095][ T73] ipv6_rcv+0x397/0x810 [10020.694095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10020.694095][ T73] process_backlog+0x101/0x620 [10020.694095][ T73] __napi_poll.constprop.0+0xa2/0x460 [10020.694095][ T73] net_rx_action+0x495/0xbe0 [10020.694095][ T73] __do_softirq+0x1b5/0x7f6 [10020.694095][ T73] [10020.695763][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10020.695763][ T73] netdev_get_by_index+0x5e/0x80 [10020.695763][ T73] fib6_nh_init+0x3d8/0x1580 [10020.695763][ T73] ip6_route_info_create+0xf18/0x17d0 [10020.695763][ T73] ip6_route_add+0x1c/0x140 [10020.695763][ T73] addrconf_prefix_route+0x2a6/0x430 [10020.695763][ T73] inet6_addr_add+0x4f8/0xa40 [10020.695763][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10020.695763][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.695763][ T73] netlink_rcv_skb+0x130/0x360 [10020.695763][ T73] netlink_unicast+0x449/0x710 [10020.695763][ T73] netlink_sendmsg+0x723/0xbe0 [10020.695763][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.695763][ T73] ___sys_sendmsg+0xee/0x170 [10020.695763][ T73] __sys_sendmsg+0xcd/0x170 [10020.695763][ T73] do_syscall_64+0xc6/0x1e0 [10020.695763][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.695763][ T73] [10020.697784][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10020.697784][ T73] netdev_get_by_index+0x5e/0x80 [10020.697784][ T73] fib6_nh_init+0x3d8/0x1580 [10020.697784][ T73] ip6_route_info_create+0xf18/0x17d0 [10020.697784][ T73] addrconf_f6i_alloc+0x315/0x560 [10020.697784][ T73] ipv6_add_addr+0x411/0x2000 [10020.697784][ T73] inet6_addr_add+0x30e/0xa40 [10020.697784][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10020.697784][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.697784][ T73] netlink_rcv_skb+0x130/0x360 [10020.697784][ T73] netlink_unicast+0x449/0x710 [10020.697784][ T73] netlink_sendmsg+0x723/0xbe0 [10020.697784][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.697784][ T73] ___sys_sendmsg+0xee/0x170 [10020.697784][ T73] __sys_sendmsg+0xcd/0x170 [10020.697784][ T73] do_syscall_64+0xc6/0x1e0 [10020.697784][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.697784][ T73] [10020.699822][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10020.699822][ T73] netdev_get_by_index+0x5e/0x80 [10020.699822][ T73] fib6_nh_init+0x3d8/0x1580 [10020.699822][ T73] ip6_route_info_create+0xf18/0x17d0 [10020.699822][ T73] ip6_route_add+0x1c/0x140 [10020.699822][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10020.699822][ T73] addrconf_add_dev+0xe2/0x170 [10020.699822][ T73] inet6_addr_add+0x12f/0xa40 [10020.699822][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10020.699822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.699822][ T73] netlink_rcv_skb+0x130/0x360 [10020.699822][ T73] netlink_unicast+0x449/0x710 [10020.699822][ T73] netlink_sendmsg+0x723/0xbe0 [10020.699822][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.699822][ T73] ___sys_sendmsg+0xee/0x170 [10020.699822][ T73] __sys_sendmsg+0xcd/0x170 [10020.699822][ T73] do_syscall_64+0xc6/0x1e0 [10020.699822][ T73] [10020.701810][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10020.701810][ T73] ipv6_add_dev+0x3ba/0x11c0 [10020.701810][ T73] ipv6_find_idev+0x102/0x170 [10020.701810][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10020.701810][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.701810][ T73] netlink_rcv_skb+0x130/0x360 [10020.701810][ T73] netlink_unicast+0x449/0x710 [10020.701810][ T73] netlink_sendmsg+0x723/0xbe0 [10020.701810][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.701810][ T73] ___sys_sendmsg+0xee/0x170 [10020.701810][ T73] __sys_sendmsg+0xcd/0x170 [10020.701810][ T73] do_syscall_64+0xc6/0x1e0 [10020.701810][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.701810][ T73] [10020.703371][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10020.703371][ T73] neigh_parms_alloc+0x1e5/0x510 [10020.703371][ T73] ipv6_add_dev+0x2fe/0x11c0 [10020.703371][ T73] ipv6_find_idev+0x102/0x170 [10020.703371][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10020.703371][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.703371][ T73] netlink_rcv_skb+0x130/0x360 [10020.703371][ T73] netlink_unicast+0x449/0x710 [10020.703371][ T73] netlink_sendmsg+0x723/0xbe0 [10020.703371][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.703371][ T73] ___sys_sendmsg+0xee/0x170 [10020.703371][ T73] __sys_sendmsg+0xcd/0x170 [10020.703371][ T73] do_syscall_64+0xc6/0x1e0 [10020.703371][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.703371][ T73] [10020.705093][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10020.705337][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10020.705337][ T73] dst_init+0x84/0x4a0 [10020.705337][ T73] dst_alloc+0x97/0x150 [10020.705337][ T73] ip6_dst_alloc+0x23/0x90 [10020.705337][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10020.705337][ T73] ip6_pol_route+0x56f/0x840 [10020.705337][ T73] fib6_rule_lookup+0x456/0x630 [10020.705337][ T73] ip6_route_input+0x59c/0xa50 [10020.705337][ T73] ipv6_rcv+0x397/0x810 [10020.705337][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10020.705337][ T73] process_backlog+0x101/0x620 [10020.705337][ T73] __napi_poll.constprop.0+0xa2/0x460 [10020.705337][ T73] net_rx_action+0x495/0xbe0 [10020.705337][ T73] __do_softirq+0x1b5/0x7f6 [10020.705337][ T73] [10020.706994][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10020.706994][ T73] netdev_get_by_index+0x5e/0x80 [10020.706994][ T73] fib6_nh_init+0x3d8/0x1580 [10020.706994][ T73] ip6_route_info_create+0xf18/0x17d0 [10020.706994][ T73] ip6_route_add+0x1c/0x140 [10020.706994][ T73] addrconf_prefix_route+0x2a6/0x430 [10020.706994][ T73] inet6_addr_add+0x4f8/0xa40 [10020.706994][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10020.706994][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.706994][ T73] netlink_rcv_skb+0x130/0x360 [10020.706994][ T73] netlink_unicast+0x449/0x710 [10020.706994][ T73] netlink_sendmsg+0x723/0xbe0 [10020.706994][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.706994][ T73] ___sys_sendmsg+0xee/0x170 [10020.706994][ T73] __sys_sendmsg+0xcd/0x170 [10020.706994][ T73] do_syscall_64+0xc6/0x1e0 [10020.706994][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.706994][ T73] [10020.709029][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10020.709029][ T73] netdev_get_by_index+0x5e/0x80 [10020.709029][ T73] fib6_nh_init+0x3d8/0x1580 [10020.709029][ T73] ip6_route_info_create+0xf18/0x17d0 [10020.709029][ T73] addrconf_f6i_alloc+0x315/0x560 [10020.709029][ T73] ipv6_add_addr+0x411/0x2000 [10020.709029][ T73] inet6_addr_add+0x30e/0xa40 [10020.709029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10020.709029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.709029][ T73] netlink_rcv_skb+0x130/0x360 [10020.709029][ T73] netlink_unicast+0x449/0x710 [10020.709029][ T73] netlink_sendmsg+0x723/0xbe0 [10020.709029][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.709029][ T73] ___sys_sendmsg+0xee/0x170 [10020.709029][ T73] __sys_sendmsg+0xcd/0x170 [10020.709029][ T73] do_syscall_64+0xc6/0x1e0 [10020.709029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.709029][ T73] [10020.711061][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10020.711061][ T73] netdev_get_by_index+0x5e/0x80 [10020.711061][ T73] fib6_nh_init+0x3d8/0x1580 [10020.711061][ T73] ip6_route_info_create+0xf18/0x17d0 [10020.711061][ T73] ip6_route_add+0x1c/0x140 [10020.711061][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10020.711061][ T73] addrconf_add_dev+0xe2/0x170 [10020.711061][ T73] inet6_addr_add+0x12f/0xa40 [10020.711061][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10020.711061][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.711061][ T73] netlink_rcv_skb+0x130/0x360 [10020.711061][ T73] netlink_unicast+0x449/0x710 [10020.711061][ T73] netlink_sendmsg+0x723/0xbe0 [10020.711061][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.711061][ T73] ___sys_sendmsg+0xee/0x170 [10020.711061][ T73] __sys_sendmsg+0xcd/0x170 [10020.711061][ T73] do_syscall_64+0xc6/0x1e0 [10020.711061][ T73] [10020.713048][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10020.713048][ T73] ipv6_add_dev+0x3ba/0x11c0 [10020.713048][ T73] ipv6_find_idev+0x102/0x170 [10020.713048][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10020.713048][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.713048][ T73] netlink_rcv_skb+0x130/0x360 [10020.713048][ T73] netlink_unicast+0x449/0x710 [10020.713048][ T73] netlink_sendmsg+0x723/0xbe0 [10020.713048][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.713048][ T73] ___sys_sendmsg+0xee/0x170 [10020.713048][ T73] __sys_sendmsg+0xcd/0x170 [10020.713048][ T73] do_syscall_64+0xc6/0x1e0 [10020.713048][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.713048][ T73] [10020.714608][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10020.714608][ T73] neigh_parms_alloc+0x1e5/0x510 [10020.714608][ T73] ipv6_add_dev+0x2fe/0x11c0 [10020.714608][ T73] ipv6_find_idev+0x102/0x170 [10020.714608][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10020.714608][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10020.714608][ T73] netlink_rcv_skb+0x130/0x360 [10020.714608][ T73] netlink_unicast+0x449/0x710 [10020.714608][ T73] netlink_sendmsg+0x723/0xbe0 [10020.714608][ T73] ____sys_sendmsg+0x7b2/0xa10 [10020.714608][ T73] ___sys_sendmsg+0xee/0x170 [10020.714608][ T73] __sys_sendmsg+0xcd/0x170 [10020.714608][ T73] do_syscall_64+0xc6/0x1e0 [10020.714608][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10020.714608][ T73] [10024.581705][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10024.582152][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10024.582152][ T1076] netdev_get_by_index+0x5e/0x80 [10024.582152][ T1076] fib6_nh_init+0x3d8/0x1580 [10024.582152][ T1076] ip6_route_info_create+0xf18/0x17d0 [10024.582152][ T1076] addrconf_f6i_alloc+0x315/0x560 [10024.582152][ T1076] ipv6_add_addr+0x411/0x2000 [10024.582152][ T1076] inet6_addr_add+0x30e/0xa40 [10024.582152][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10024.582152][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10024.582152][ T1076] netlink_rcv_skb+0x130/0x360 [10024.582152][ T1076] netlink_unicast+0x449/0x710 [10024.582152][ T1076] netlink_sendmsg+0x723/0xbe0 [10024.582152][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10024.582152][ T1076] ___sys_sendmsg+0xee/0x170 [10024.582152][ T1076] __sys_sendmsg+0xcd/0x170 [10024.582152][ T1076] do_syscall_64+0xc6/0x1e0 [10024.582152][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10024.582152][ T1076] [10024.584462][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10024.584462][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10024.584462][ T1076] ipv6_find_idev+0x102/0x170 [10024.584462][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10024.584462][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10024.584462][ T1076] netlink_rcv_skb+0x130/0x360 [10024.584462][ T1076] netlink_unicast+0x449/0x710 [10024.584462][ T1076] netlink_sendmsg+0x723/0xbe0 [10024.584462][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10024.584462][ T1076] ___sys_sendmsg+0xee/0x170 [10024.584462][ T1076] __sys_sendmsg+0xcd/0x170 [10024.584462][ T1076] do_syscall_64+0xc6/0x1e0 [10024.584462][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10024.584462][ T1076] [10024.586187][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10024.586187][ T1076] neigh_parms_alloc+0x1e5/0x510 [10024.586187][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10024.586187][ T1076] ipv6_find_idev+0x102/0x170 [10024.586187][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10024.586187][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10024.586187][ T1076] netlink_rcv_skb+0x130/0x360 [10024.586187][ T1076] netlink_unicast+0x449/0x710 [10024.586187][ T1076] netlink_sendmsg+0x723/0xbe0 [10024.586187][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10024.586187][ T1076] ___sys_sendmsg+0xee/0x170 [10024.586187][ T1076] __sys_sendmsg+0xcd/0x170 [10024.586187][ T1076] do_syscall_64+0xc6/0x1e0 [10024.586187][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10024.586187][ T1076] [10030.957650][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10030.958028][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10030.958028][ T73] dst_init+0x84/0x4a0 [10030.958028][ T73] dst_alloc+0x97/0x150 [10030.958028][ T73] ip6_dst_alloc+0x23/0x90 [10030.958028][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10030.958028][ T73] ip6_pol_route+0x56f/0x840 [10030.958028][ T73] fib6_rule_lookup+0x456/0x630 [10030.958028][ T73] ip6_route_input+0x59c/0xa50 [10030.958028][ T73] ipv6_rcv+0x397/0x810 [10030.958028][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10030.958028][ T73] process_backlog+0x101/0x620 [10030.958028][ T73] __napi_poll.constprop.0+0xa2/0x460 [10030.958028][ T73] net_rx_action+0x495/0xbe0 [10030.958028][ T73] __do_softirq+0x1b5/0x7f6 [10030.958028][ T73] [10030.959701][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10030.959701][ T73] netdev_get_by_index+0x5e/0x80 [10030.959701][ T73] fib6_nh_init+0x3d8/0x1580 [10030.959701][ T73] ip6_route_info_create+0xf18/0x17d0 [10030.959701][ T73] ip6_route_add+0x1c/0x140 [10030.959701][ T73] addrconf_prefix_route+0x2a6/0x430 [10030.959701][ T73] inet6_addr_add+0x4f8/0xa40 [10030.959701][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10030.959701][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.959701][ T73] netlink_rcv_skb+0x130/0x360 [10030.959701][ T73] netlink_unicast+0x449/0x710 [10030.959701][ T73] netlink_sendmsg+0x723/0xbe0 [10030.959701][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.959701][ T73] ___sys_sendmsg+0xee/0x170 [10030.959701][ T73] __sys_sendmsg+0xcd/0x170 [10030.959701][ T73] do_syscall_64+0xc6/0x1e0 [10030.959701][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.959701][ T73] [10030.961728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10030.961728][ T73] netdev_get_by_index+0x5e/0x80 [10030.961728][ T73] fib6_nh_init+0x3d8/0x1580 [10030.961728][ T73] ip6_route_info_create+0xf18/0x17d0 [10030.961728][ T73] addrconf_f6i_alloc+0x315/0x560 [10030.961728][ T73] ipv6_add_addr+0x411/0x2000 [10030.961728][ T73] inet6_addr_add+0x30e/0xa40 [10030.961728][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10030.961728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.961728][ T73] netlink_rcv_skb+0x130/0x360 [10030.961728][ T73] netlink_unicast+0x449/0x710 [10030.961728][ T73] netlink_sendmsg+0x723/0xbe0 [10030.961728][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.961728][ T73] ___sys_sendmsg+0xee/0x170 [10030.961728][ T73] __sys_sendmsg+0xcd/0x170 [10030.961728][ T73] do_syscall_64+0xc6/0x1e0 [10030.961728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.961728][ T73] [10030.963746][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10030.963746][ T73] netdev_get_by_index+0x5e/0x80 [10030.963746][ T73] fib6_nh_init+0x3d8/0x1580 [10030.963746][ T73] ip6_route_info_create+0xf18/0x17d0 [10030.963746][ T73] ip6_route_add+0x1c/0x140 [10030.963746][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10030.963746][ T73] addrconf_add_dev+0xe2/0x170 [10030.963746][ T73] inet6_addr_add+0x12f/0xa40 [10030.963746][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10030.963746][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.963746][ T73] netlink_rcv_skb+0x130/0x360 [10030.963746][ T73] netlink_unicast+0x449/0x710 [10030.963746][ T73] netlink_sendmsg+0x723/0xbe0 [10030.963746][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.963746][ T73] ___sys_sendmsg+0xee/0x170 [10030.963746][ T73] __sys_sendmsg+0xcd/0x170 [10030.963746][ T73] do_syscall_64+0xc6/0x1e0 [10030.963746][ T73] [10030.965728][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10030.965728][ T73] ipv6_add_dev+0x3ba/0x11c0 [10030.965728][ T73] ipv6_find_idev+0x102/0x170 [10030.965728][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10030.965728][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.965728][ T73] netlink_rcv_skb+0x130/0x360 [10030.965728][ T73] netlink_unicast+0x449/0x710 [10030.965728][ T73] netlink_sendmsg+0x723/0xbe0 [10030.965728][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.965728][ T73] ___sys_sendmsg+0xee/0x170 [10030.965728][ T73] __sys_sendmsg+0xcd/0x170 [10030.965728][ T73] do_syscall_64+0xc6/0x1e0 [10030.965728][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.965728][ T73] [10030.967822][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10030.967822][ T73] neigh_parms_alloc+0x1e5/0x510 [10030.967822][ T73] ipv6_add_dev+0x2fe/0x11c0 [10030.967822][ T73] ipv6_find_idev+0x102/0x170 [10030.967822][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10030.967822][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.967822][ T73] netlink_rcv_skb+0x130/0x360 [10030.967822][ T73] netlink_unicast+0x449/0x710 [10030.967822][ T73] netlink_sendmsg+0x723/0xbe0 [10030.967822][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.967822][ T73] ___sys_sendmsg+0xee/0x170 [10030.967822][ T73] __sys_sendmsg+0xcd/0x170 [10030.967822][ T73] do_syscall_64+0xc6/0x1e0 [10030.967822][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.967822][ T73] [10030.969550][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10030.969809][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10030.969809][ T73] dst_init+0x84/0x4a0 [10030.969809][ T73] dst_alloc+0x97/0x150 [10030.969809][ T73] ip6_dst_alloc+0x23/0x90 [10030.969809][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10030.969809][ T73] ip6_pol_route+0x56f/0x840 [10030.969809][ T73] fib6_rule_lookup+0x456/0x630 [10030.969809][ T73] ip6_route_input+0x59c/0xa50 [10030.969809][ T73] ipv6_rcv+0x397/0x810 [10030.969809][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10030.969809][ T73] process_backlog+0x101/0x620 [10030.969809][ T73] __napi_poll.constprop.0+0xa2/0x460 [10030.969809][ T73] net_rx_action+0x495/0xbe0 [10030.969809][ T73] __do_softirq+0x1b5/0x7f6 [10030.969809][ T73] [10030.971856][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10030.971856][ T73] netdev_get_by_index+0x5e/0x80 [10030.971856][ T73] fib6_nh_init+0x3d8/0x1580 [10030.971856][ T73] ip6_route_info_create+0xf18/0x17d0 [10030.971856][ T73] ip6_route_add+0x1c/0x140 [10030.971856][ T73] addrconf_prefix_route+0x2a6/0x430 [10030.971856][ T73] inet6_addr_add+0x4f8/0xa40 [10030.971856][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10030.971856][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.971856][ T73] netlink_rcv_skb+0x130/0x360 [10030.971856][ T73] netlink_unicast+0x449/0x710 [10030.971856][ T73] netlink_sendmsg+0x723/0xbe0 [10030.971856][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.971856][ T73] ___sys_sendmsg+0xee/0x170 [10030.971856][ T73] __sys_sendmsg+0xcd/0x170 [10030.971856][ T73] do_syscall_64+0xc6/0x1e0 [10030.971856][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.971856][ T73] [10030.973981][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10030.973981][ T73] netdev_get_by_index+0x5e/0x80 [10030.973981][ T73] fib6_nh_init+0x3d8/0x1580 [10030.973981][ T73] ip6_route_info_create+0xf18/0x17d0 [10030.973981][ T73] addrconf_f6i_alloc+0x315/0x560 [10030.973981][ T73] ipv6_add_addr+0x411/0x2000 [10030.973981][ T73] inet6_addr_add+0x30e/0xa40 [10030.973981][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10030.973981][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.973981][ T73] netlink_rcv_skb+0x130/0x360 [10030.973981][ T73] netlink_unicast+0x449/0x710 [10030.973981][ T73] netlink_sendmsg+0x723/0xbe0 [10030.973981][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.973981][ T73] ___sys_sendmsg+0xee/0x170 [10030.973981][ T73] __sys_sendmsg+0xcd/0x170 [10030.973981][ T73] do_syscall_64+0xc6/0x1e0 [10030.973981][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.973981][ T73] [10030.975992][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10030.975992][ T73] netdev_get_by_index+0x5e/0x80 [10030.975992][ T73] fib6_nh_init+0x3d8/0x1580 [10030.975992][ T73] ip6_route_info_create+0xf18/0x17d0 [10030.975992][ T73] ip6_route_add+0x1c/0x140 [10030.975992][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10030.975992][ T73] addrconf_add_dev+0xe2/0x170 [10030.975992][ T73] inet6_addr_add+0x12f/0xa40 [10030.975992][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10030.975992][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.975992][ T73] netlink_rcv_skb+0x130/0x360 [10030.975992][ T73] netlink_unicast+0x449/0x710 [10030.975992][ T73] netlink_sendmsg+0x723/0xbe0 [10030.975992][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.975992][ T73] ___sys_sendmsg+0xee/0x170 [10030.975992][ T73] __sys_sendmsg+0xcd/0x170 [10030.975992][ T73] do_syscall_64+0xc6/0x1e0 [10030.975992][ T73] [10030.977977][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10030.977977][ T73] ipv6_add_dev+0x3ba/0x11c0 [10030.977977][ T73] ipv6_find_idev+0x102/0x170 [10030.977977][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10030.977977][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.977977][ T73] netlink_rcv_skb+0x130/0x360 [10030.977977][ T73] netlink_unicast+0x449/0x710 [10030.977977][ T73] netlink_sendmsg+0x723/0xbe0 [10030.977977][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.977977][ T73] ___sys_sendmsg+0xee/0x170 [10030.977977][ T73] __sys_sendmsg+0xcd/0x170 [10030.977977][ T73] do_syscall_64+0xc6/0x1e0 [10030.977977][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.977977][ T73] [10030.979523][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10030.979523][ T73] neigh_parms_alloc+0x1e5/0x510 [10030.979523][ T73] ipv6_add_dev+0x2fe/0x11c0 [10030.979523][ T73] ipv6_find_idev+0x102/0x170 [10030.979523][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10030.979523][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10030.979523][ T73] netlink_rcv_skb+0x130/0x360 [10030.979523][ T73] netlink_unicast+0x449/0x710 [10030.979523][ T73] netlink_sendmsg+0x723/0xbe0 [10030.979523][ T73] ____sys_sendmsg+0x7b2/0xa10 [10030.979523][ T73] ___sys_sendmsg+0xee/0x170 [10030.979523][ T73] __sys_sendmsg+0xcd/0x170 [10030.979523][ T73] do_syscall_64+0xc6/0x1e0 [10030.979523][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10030.979523][ T73] [10034.605730][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10034.606233][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10034.606233][ T1076] netdev_get_by_index+0x5e/0x80 [10034.606233][ T1076] fib6_nh_init+0x3d8/0x1580 [10034.606233][ T1076] ip6_route_info_create+0xf18/0x17d0 [10034.606233][ T1076] addrconf_f6i_alloc+0x315/0x560 [10034.606233][ T1076] ipv6_add_addr+0x411/0x2000 [10034.606233][ T1076] inet6_addr_add+0x30e/0xa40 [10034.606233][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10034.606233][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10034.606233][ T1076] netlink_rcv_skb+0x130/0x360 [10034.606233][ T1076] netlink_unicast+0x449/0x710 [10034.606233][ T1076] netlink_sendmsg+0x723/0xbe0 [10034.606233][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10034.606233][ T1076] ___sys_sendmsg+0xee/0x170 [10034.606233][ T1076] __sys_sendmsg+0xcd/0x170 [10034.606233][ T1076] do_syscall_64+0xc6/0x1e0 [10034.606233][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10034.606233][ T1076] [10034.608517][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10034.608517][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10034.608517][ T1076] ipv6_find_idev+0x102/0x170 [10034.608517][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10034.608517][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10034.608517][ T1076] netlink_rcv_skb+0x130/0x360 [10034.608517][ T1076] netlink_unicast+0x449/0x710 [10034.608517][ T1076] netlink_sendmsg+0x723/0xbe0 [10034.608517][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10034.608517][ T1076] ___sys_sendmsg+0xee/0x170 [10034.608517][ T1076] __sys_sendmsg+0xcd/0x170 [10034.608517][ T1076] do_syscall_64+0xc6/0x1e0 [10034.608517][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10034.608517][ T1076] [10034.610254][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10034.610254][ T1076] neigh_parms_alloc+0x1e5/0x510 [10034.610254][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10034.610254][ T1076] ipv6_find_idev+0x102/0x170 [10034.610254][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10034.610254][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10034.610254][ T1076] netlink_rcv_skb+0x130/0x360 [10034.610254][ T1076] netlink_unicast+0x449/0x710 [10034.610254][ T1076] netlink_sendmsg+0x723/0xbe0 [10034.610254][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10034.610254][ T1076] ___sys_sendmsg+0xee/0x170 [10034.610254][ T1076] __sys_sendmsg+0xcd/0x170 [10034.610254][ T1076] do_syscall_64+0xc6/0x1e0 [10034.610254][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10034.610254][ T1076] [10041.005725][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10041.006134][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10041.006134][ T73] dst_init+0x84/0x4a0 [10041.006134][ T73] dst_alloc+0x97/0x150 [10041.006134][ T73] ip6_dst_alloc+0x23/0x90 [10041.006134][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10041.006134][ T73] ip6_pol_route+0x56f/0x840 [10041.006134][ T73] fib6_rule_lookup+0x456/0x630 [10041.006134][ T73] ip6_route_input+0x59c/0xa50 [10041.006134][ T73] ipv6_rcv+0x397/0x810 [10041.006134][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10041.006134][ T73] process_backlog+0x101/0x620 [10041.006134][ T73] __napi_poll.constprop.0+0xa2/0x460 [10041.006134][ T73] net_rx_action+0x495/0xbe0 [10041.006134][ T73] __do_softirq+0x1b5/0x7f6 [10041.006134][ T73] [10041.007801][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10041.007801][ T73] netdev_get_by_index+0x5e/0x80 [10041.007801][ T73] fib6_nh_init+0x3d8/0x1580 [10041.007801][ T73] ip6_route_info_create+0xf18/0x17d0 [10041.007801][ T73] ip6_route_add+0x1c/0x140 [10041.007801][ T73] addrconf_prefix_route+0x2a6/0x430 [10041.007801][ T73] inet6_addr_add+0x4f8/0xa40 [10041.007801][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10041.007801][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.007801][ T73] netlink_rcv_skb+0x130/0x360 [10041.007801][ T73] netlink_unicast+0x449/0x710 [10041.007801][ T73] netlink_sendmsg+0x723/0xbe0 [10041.007801][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.007801][ T73] ___sys_sendmsg+0xee/0x170 [10041.007801][ T73] __sys_sendmsg+0xcd/0x170 [10041.007801][ T73] do_syscall_64+0xc6/0x1e0 [10041.007801][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.007801][ T73] [10041.009799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10041.009799][ T73] netdev_get_by_index+0x5e/0x80 [10041.009799][ T73] fib6_nh_init+0x3d8/0x1580 [10041.009799][ T73] ip6_route_info_create+0xf18/0x17d0 [10041.009799][ T73] addrconf_f6i_alloc+0x315/0x560 [10041.009799][ T73] ipv6_add_addr+0x411/0x2000 [10041.009799][ T73] inet6_addr_add+0x30e/0xa40 [10041.009799][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10041.009799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.009799][ T73] netlink_rcv_skb+0x130/0x360 [10041.009799][ T73] netlink_unicast+0x449/0x710 [10041.009799][ T73] netlink_sendmsg+0x723/0xbe0 [10041.009799][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.009799][ T73] ___sys_sendmsg+0xee/0x170 [10041.009799][ T73] __sys_sendmsg+0xcd/0x170 [10041.009799][ T73] do_syscall_64+0xc6/0x1e0 [10041.009799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.009799][ T73] [10041.012141][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10041.012141][ T73] netdev_get_by_index+0x5e/0x80 [10041.012141][ T73] fib6_nh_init+0x3d8/0x1580 [10041.012141][ T73] ip6_route_info_create+0xf18/0x17d0 [10041.012141][ T73] ip6_route_add+0x1c/0x140 [10041.012141][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10041.012141][ T73] addrconf_add_dev+0xe2/0x170 [10041.012141][ T73] inet6_addr_add+0x12f/0xa40 [10041.012141][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10041.012141][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.012141][ T73] netlink_rcv_skb+0x130/0x360 [10041.012141][ T73] netlink_unicast+0x449/0x710 [10041.012141][ T73] netlink_sendmsg+0x723/0xbe0 [10041.012141][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.012141][ T73] ___sys_sendmsg+0xee/0x170 [10041.012141][ T73] __sys_sendmsg+0xcd/0x170 [10041.012141][ T73] do_syscall_64+0xc6/0x1e0 [10041.012141][ T73] [10041.014091][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10041.014091][ T73] ipv6_add_dev+0x3ba/0x11c0 [10041.014091][ T73] ipv6_find_idev+0x102/0x170 [10041.014091][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10041.014091][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.014091][ T73] netlink_rcv_skb+0x130/0x360 [10041.014091][ T73] netlink_unicast+0x449/0x710 [10041.014091][ T73] netlink_sendmsg+0x723/0xbe0 [10041.014091][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.014091][ T73] ___sys_sendmsg+0xee/0x170 [10041.014091][ T73] __sys_sendmsg+0xcd/0x170 [10041.014091][ T73] do_syscall_64+0xc6/0x1e0 [10041.014091][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.014091][ T73] [10041.015627][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10041.015627][ T73] neigh_parms_alloc+0x1e5/0x510 [10041.015627][ T73] ipv6_add_dev+0x2fe/0x11c0 [10041.015627][ T73] ipv6_find_idev+0x102/0x170 [10041.015627][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10041.015627][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.015627][ T73] netlink_rcv_skb+0x130/0x360 [10041.015627][ T73] netlink_unicast+0x449/0x710 [10041.015627][ T73] netlink_sendmsg+0x723/0xbe0 [10041.015627][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.015627][ T73] ___sys_sendmsg+0xee/0x170 [10041.015627][ T73] __sys_sendmsg+0xcd/0x170 [10041.015627][ T73] do_syscall_64+0xc6/0x1e0 [10041.015627][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.015627][ T73] [10041.017312][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10041.017552][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10041.017552][ T73] dst_init+0x84/0x4a0 [10041.017552][ T73] dst_alloc+0x97/0x150 [10041.017552][ T73] ip6_dst_alloc+0x23/0x90 [10041.017552][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10041.017552][ T73] ip6_pol_route+0x56f/0x840 [10041.017552][ T73] fib6_rule_lookup+0x456/0x630 [10041.017552][ T73] ip6_route_input+0x59c/0xa50 [10041.017552][ T73] ipv6_rcv+0x397/0x810 [10041.017552][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10041.017552][ T73] process_backlog+0x101/0x620 [10041.017552][ T73] __napi_poll.constprop.0+0xa2/0x460 [10041.017552][ T73] net_rx_action+0x495/0xbe0 [10041.017552][ T73] __do_softirq+0x1b5/0x7f6 [10041.017552][ T73] [10041.019179][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10041.019179][ T73] netdev_get_by_index+0x5e/0x80 [10041.019179][ T73] fib6_nh_init+0x3d8/0x1580 [10041.019179][ T73] ip6_route_info_create+0xf18/0x17d0 [10041.019179][ T73] ip6_route_add+0x1c/0x140 [10041.019179][ T73] addrconf_prefix_route+0x2a6/0x430 [10041.019179][ T73] inet6_addr_add+0x4f8/0xa40 [10041.019179][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10041.019179][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.019179][ T73] netlink_rcv_skb+0x130/0x360 [10041.019179][ T73] netlink_unicast+0x449/0x710 [10041.019179][ T73] netlink_sendmsg+0x723/0xbe0 [10041.019179][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.019179][ T73] ___sys_sendmsg+0xee/0x170 [10041.019179][ T73] __sys_sendmsg+0xcd/0x170 [10041.019179][ T73] do_syscall_64+0xc6/0x1e0 [10041.019179][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.019179][ T73] [10041.021169][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10041.021169][ T73] netdev_get_by_index+0x5e/0x80 [10041.021169][ T73] fib6_nh_init+0x3d8/0x1580 [10041.021169][ T73] ip6_route_info_create+0xf18/0x17d0 [10041.021169][ T73] addrconf_f6i_alloc+0x315/0x560 [10041.021169][ T73] ipv6_add_addr+0x411/0x2000 [10041.021169][ T73] inet6_addr_add+0x30e/0xa40 [10041.021169][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10041.021169][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.021169][ T73] netlink_rcv_skb+0x130/0x360 [10041.021169][ T73] netlink_unicast+0x449/0x710 [10041.021169][ T73] netlink_sendmsg+0x723/0xbe0 [10041.021169][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.021169][ T73] ___sys_sendmsg+0xee/0x170 [10041.021169][ T73] __sys_sendmsg+0xcd/0x170 [10041.021169][ T73] do_syscall_64+0xc6/0x1e0 [10041.021169][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.021169][ T73] [10041.023159][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10041.023159][ T73] netdev_get_by_index+0x5e/0x80 [10041.023159][ T73] fib6_nh_init+0x3d8/0x1580 [10041.023159][ T73] ip6_route_info_create+0xf18/0x17d0 [10041.023159][ T73] ip6_route_add+0x1c/0x140 [10041.023159][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10041.023159][ T73] addrconf_add_dev+0xe2/0x170 [10041.023159][ T73] inet6_addr_add+0x12f/0xa40 [10041.023159][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10041.023159][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.023159][ T73] netlink_rcv_skb+0x130/0x360 [10041.023159][ T73] netlink_unicast+0x449/0x710 [10041.023159][ T73] netlink_sendmsg+0x723/0xbe0 [10041.023159][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.023159][ T73] ___sys_sendmsg+0xee/0x170 [10041.023159][ T73] __sys_sendmsg+0xcd/0x170 [10041.023159][ T73] do_syscall_64+0xc6/0x1e0 [10041.023159][ T73] [10041.025130][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10041.025130][ T73] ipv6_add_dev+0x3ba/0x11c0 [10041.025130][ T73] ipv6_find_idev+0x102/0x170 [10041.025130][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10041.025130][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.025130][ T73] netlink_rcv_skb+0x130/0x360 [10041.025130][ T73] netlink_unicast+0x449/0x710 [10041.025130][ T73] netlink_sendmsg+0x723/0xbe0 [10041.025130][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.025130][ T73] ___sys_sendmsg+0xee/0x170 [10041.025130][ T73] __sys_sendmsg+0xcd/0x170 [10041.025130][ T73] do_syscall_64+0xc6/0x1e0 [10041.025130][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.025130][ T73] [10041.026688][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10041.026688][ T73] neigh_parms_alloc+0x1e5/0x510 [10041.026688][ T73] ipv6_add_dev+0x2fe/0x11c0 [10041.026688][ T73] ipv6_find_idev+0x102/0x170 [10041.026688][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10041.026688][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10041.026688][ T73] netlink_rcv_skb+0x130/0x360 [10041.026688][ T73] netlink_unicast+0x449/0x710 [10041.026688][ T73] netlink_sendmsg+0x723/0xbe0 [10041.026688][ T73] ____sys_sendmsg+0x7b2/0xa10 [10041.026688][ T73] ___sys_sendmsg+0xee/0x170 [10041.026688][ T73] __sys_sendmsg+0xcd/0x170 [10041.026688][ T73] do_syscall_64+0xc6/0x1e0 [10041.026688][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10041.026688][ T73] [10044.781702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10044.782113][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10044.782113][ T1076] netdev_get_by_index+0x5e/0x80 [10044.782113][ T1076] fib6_nh_init+0x3d8/0x1580 [10044.782113][ T1076] ip6_route_info_create+0xf18/0x17d0 [10044.782113][ T1076] addrconf_f6i_alloc+0x315/0x560 [10044.782113][ T1076] ipv6_add_addr+0x411/0x2000 [10044.782113][ T1076] inet6_addr_add+0x30e/0xa40 [10044.782113][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10044.782113][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10044.782113][ T1076] netlink_rcv_skb+0x130/0x360 [10044.782113][ T1076] netlink_unicast+0x449/0x710 [10044.782113][ T1076] netlink_sendmsg+0x723/0xbe0 [10044.782113][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10044.782113][ T1076] ___sys_sendmsg+0xee/0x170 [10044.782113][ T1076] __sys_sendmsg+0xcd/0x170 [10044.782113][ T1076] do_syscall_64+0xc6/0x1e0 [10044.782113][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10044.782113][ T1076] [10044.784385][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10044.784385][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10044.784385][ T1076] ipv6_find_idev+0x102/0x170 [10044.784385][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10044.784385][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10044.784385][ T1076] netlink_rcv_skb+0x130/0x360 [10044.784385][ T1076] netlink_unicast+0x449/0x710 [10044.784385][ T1076] netlink_sendmsg+0x723/0xbe0 [10044.784385][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10044.784385][ T1076] ___sys_sendmsg+0xee/0x170 [10044.784385][ T1076] __sys_sendmsg+0xcd/0x170 [10044.784385][ T1076] do_syscall_64+0xc6/0x1e0 [10044.784385][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10044.784385][ T1076] [10044.786118][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10044.786118][ T1076] neigh_parms_alloc+0x1e5/0x510 [10044.786118][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10044.786118][ T1076] ipv6_find_idev+0x102/0x170 [10044.786118][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10044.786118][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10044.786118][ T1076] netlink_rcv_skb+0x130/0x360 [10044.786118][ T1076] netlink_unicast+0x449/0x710 [10044.786118][ T1076] netlink_sendmsg+0x723/0xbe0 [10044.786118][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10044.786118][ T1076] ___sys_sendmsg+0xee/0x170 [10044.786118][ T1076] __sys_sendmsg+0xcd/0x170 [10044.786118][ T1076] do_syscall_64+0xc6/0x1e0 [10044.786118][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10044.786118][ T1076] [10051.277615][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10051.278036][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10051.278036][ T73] dst_init+0x84/0x4a0 [10051.278036][ T73] dst_alloc+0x97/0x150 [10051.278036][ T73] ip6_dst_alloc+0x23/0x90 [10051.278036][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10051.278036][ T73] ip6_pol_route+0x56f/0x840 [10051.278036][ T73] fib6_rule_lookup+0x456/0x630 [10051.278036][ T73] ip6_route_input+0x59c/0xa50 [10051.278036][ T73] ipv6_rcv+0x397/0x810 [10051.278036][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10051.278036][ T73] process_backlog+0x101/0x620 [10051.278036][ T73] __napi_poll.constprop.0+0xa2/0x460 [10051.278036][ T73] net_rx_action+0x495/0xbe0 [10051.278036][ T73] __do_softirq+0x1b5/0x7f6 [10051.278036][ T73] [10051.279702][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10051.279702][ T73] netdev_get_by_index+0x5e/0x80 [10051.279702][ T73] fib6_nh_init+0x3d8/0x1580 [10051.279702][ T73] ip6_route_info_create+0xf18/0x17d0 [10051.279702][ T73] ip6_route_add+0x1c/0x140 [10051.279702][ T73] addrconf_prefix_route+0x2a6/0x430 [10051.279702][ T73] inet6_addr_add+0x4f8/0xa40 [10051.279702][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10051.279702][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.279702][ T73] netlink_rcv_skb+0x130/0x360 [10051.279702][ T73] netlink_unicast+0x449/0x710 [10051.279702][ T73] netlink_sendmsg+0x723/0xbe0 [10051.279702][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.279702][ T73] ___sys_sendmsg+0xee/0x170 [10051.279702][ T73] __sys_sendmsg+0xcd/0x170 [10051.279702][ T73] do_syscall_64+0xc6/0x1e0 [10051.279702][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.279702][ T73] [10051.281727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10051.281727][ T73] netdev_get_by_index+0x5e/0x80 [10051.281727][ T73] fib6_nh_init+0x3d8/0x1580 [10051.281727][ T73] ip6_route_info_create+0xf18/0x17d0 [10051.281727][ T73] addrconf_f6i_alloc+0x315/0x560 [10051.281727][ T73] ipv6_add_addr+0x411/0x2000 [10051.281727][ T73] inet6_addr_add+0x30e/0xa40 [10051.281727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10051.281727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.281727][ T73] netlink_rcv_skb+0x130/0x360 [10051.281727][ T73] netlink_unicast+0x449/0x710 [10051.281727][ T73] netlink_sendmsg+0x723/0xbe0 [10051.281727][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.281727][ T73] ___sys_sendmsg+0xee/0x170 [10051.281727][ T73] __sys_sendmsg+0xcd/0x170 [10051.281727][ T73] do_syscall_64+0xc6/0x1e0 [10051.281727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.281727][ T73] [10051.283727][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10051.283727][ T73] netdev_get_by_index+0x5e/0x80 [10051.283727][ T73] fib6_nh_init+0x3d8/0x1580 [10051.283727][ T73] ip6_route_info_create+0xf18/0x17d0 [10051.283727][ T73] ip6_route_add+0x1c/0x140 [10051.283727][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10051.283727][ T73] addrconf_add_dev+0xe2/0x170 [10051.283727][ T73] inet6_addr_add+0x12f/0xa40 [10051.283727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10051.283727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.283727][ T73] netlink_rcv_skb+0x130/0x360 [10051.283727][ T73] netlink_unicast+0x449/0x710 [10051.283727][ T73] netlink_sendmsg+0x723/0xbe0 [10051.283727][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.283727][ T73] ___sys_sendmsg+0xee/0x170 [10051.283727][ T73] __sys_sendmsg+0xcd/0x170 [10051.283727][ T73] do_syscall_64+0xc6/0x1e0 [10051.283727][ T73] [10051.285695][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10051.285695][ T73] ipv6_add_dev+0x3ba/0x11c0 [10051.285695][ T73] ipv6_find_idev+0x102/0x170 [10051.285695][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10051.285695][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.285695][ T73] netlink_rcv_skb+0x130/0x360 [10051.285695][ T73] netlink_unicast+0x449/0x710 [10051.285695][ T73] netlink_sendmsg+0x723/0xbe0 [10051.285695][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.285695][ T73] ___sys_sendmsg+0xee/0x170 [10051.285695][ T73] __sys_sendmsg+0xcd/0x170 [10051.285695][ T73] do_syscall_64+0xc6/0x1e0 [10051.285695][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.285695][ T73] [10051.287248][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10051.287248][ T73] neigh_parms_alloc+0x1e5/0x510 [10051.287248][ T73] ipv6_add_dev+0x2fe/0x11c0 [10051.287248][ T73] ipv6_find_idev+0x102/0x170 [10051.287248][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10051.287248][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.287248][ T73] netlink_rcv_skb+0x130/0x360 [10051.287248][ T73] netlink_unicast+0x449/0x710 [10051.287248][ T73] netlink_sendmsg+0x723/0xbe0 [10051.287248][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.287248][ T73] ___sys_sendmsg+0xee/0x170 [10051.287248][ T73] __sys_sendmsg+0xcd/0x170 [10051.287248][ T73] do_syscall_64+0xc6/0x1e0 [10051.287248][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.287248][ T73] [10051.288934][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10051.289184][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10051.289184][ T73] dst_init+0x84/0x4a0 [10051.289184][ T73] dst_alloc+0x97/0x150 [10051.289184][ T73] ip6_dst_alloc+0x23/0x90 [10051.289184][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10051.289184][ T73] ip6_pol_route+0x56f/0x840 [10051.289184][ T73] fib6_rule_lookup+0x456/0x630 [10051.289184][ T73] ip6_route_input+0x59c/0xa50 [10051.289184][ T73] ipv6_rcv+0x397/0x810 [10051.289184][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10051.289184][ T73] process_backlog+0x101/0x620 [10051.289184][ T73] __napi_poll.constprop.0+0xa2/0x460 [10051.289184][ T73] net_rx_action+0x495/0xbe0 [10051.289184][ T73] __do_softirq+0x1b5/0x7f6 [10051.289184][ T73] [10051.290824][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10051.290824][ T73] netdev_get_by_index+0x5e/0x80 [10051.290824][ T73] fib6_nh_init+0x3d8/0x1580 [10051.290824][ T73] ip6_route_info_create+0xf18/0x17d0 [10051.290824][ T73] ip6_route_add+0x1c/0x140 [10051.290824][ T73] addrconf_prefix_route+0x2a6/0x430 [10051.290824][ T73] inet6_addr_add+0x4f8/0xa40 [10051.290824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10051.290824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.290824][ T73] netlink_rcv_skb+0x130/0x360 [10051.290824][ T73] netlink_unicast+0x449/0x710 [10051.290824][ T73] netlink_sendmsg+0x723/0xbe0 [10051.290824][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.290824][ T73] ___sys_sendmsg+0xee/0x170 [10051.290824][ T73] __sys_sendmsg+0xcd/0x170 [10051.290824][ T73] do_syscall_64+0xc6/0x1e0 [10051.290824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.290824][ T73] [10051.292826][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10051.292826][ T73] netdev_get_by_index+0x5e/0x80 [10051.292826][ T73] fib6_nh_init+0x3d8/0x1580 [10051.292826][ T73] ip6_route_info_create+0xf18/0x17d0 [10051.292826][ T73] addrconf_f6i_alloc+0x315/0x560 [10051.292826][ T73] ipv6_add_addr+0x411/0x2000 [10051.292826][ T73] inet6_addr_add+0x30e/0xa40 [10051.292826][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10051.292826][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.292826][ T73] netlink_rcv_skb+0x130/0x360 [10051.292826][ T73] netlink_unicast+0x449/0x710 [10051.292826][ T73] netlink_sendmsg+0x723/0xbe0 [10051.292826][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.292826][ T73] ___sys_sendmsg+0xee/0x170 [10051.292826][ T73] __sys_sendmsg+0xcd/0x170 [10051.292826][ T73] do_syscall_64+0xc6/0x1e0 [10051.292826][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.292826][ T73] [10051.294827][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10051.294827][ T73] netdev_get_by_index+0x5e/0x80 [10051.294827][ T73] fib6_nh_init+0x3d8/0x1580 [10051.294827][ T73] ip6_route_info_create+0xf18/0x17d0 [10051.294827][ T73] ip6_route_add+0x1c/0x140 [10051.294827][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10051.294827][ T73] addrconf_add_dev+0xe2/0x170 [10051.294827][ T73] inet6_addr_add+0x12f/0xa40 [10051.294827][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10051.294827][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.294827][ T73] netlink_rcv_skb+0x130/0x360 [10051.294827][ T73] netlink_unicast+0x449/0x710 [10051.294827][ T73] netlink_sendmsg+0x723/0xbe0 [10051.294827][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.294827][ T73] ___sys_sendmsg+0xee/0x170 [10051.294827][ T73] __sys_sendmsg+0xcd/0x170 [10051.294827][ T73] do_syscall_64+0xc6/0x1e0 [10051.294827][ T73] [10051.297319][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10051.297319][ T73] ipv6_add_dev+0x3ba/0x11c0 [10051.297319][ T73] ipv6_find_idev+0x102/0x170 [10051.297319][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10051.297319][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.297319][ T73] netlink_rcv_skb+0x130/0x360 [10051.297319][ T73] netlink_unicast+0x449/0x710 [10051.297319][ T73] netlink_sendmsg+0x723/0xbe0 [10051.297319][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.297319][ T73] ___sys_sendmsg+0xee/0x170 [10051.297319][ T73] __sys_sendmsg+0xcd/0x170 [10051.297319][ T73] do_syscall_64+0xc6/0x1e0 [10051.297319][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.297319][ T73] [10051.298871][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10051.298871][ T73] neigh_parms_alloc+0x1e5/0x510 [10051.298871][ T73] ipv6_add_dev+0x2fe/0x11c0 [10051.298871][ T73] ipv6_find_idev+0x102/0x170 [10051.298871][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10051.298871][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10051.298871][ T73] netlink_rcv_skb+0x130/0x360 [10051.298871][ T73] netlink_unicast+0x449/0x710 [10051.298871][ T73] netlink_sendmsg+0x723/0xbe0 [10051.298871][ T73] ____sys_sendmsg+0x7b2/0xa10 [10051.298871][ T73] ___sys_sendmsg+0xee/0x170 [10051.298871][ T73] __sys_sendmsg+0xcd/0x170 [10051.298871][ T73] do_syscall_64+0xc6/0x1e0 [10051.298871][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10051.298871][ T73] [10055.029704][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10055.030125][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10055.030125][ T1076] netdev_get_by_index+0x5e/0x80 [10055.030125][ T1076] fib6_nh_init+0x3d8/0x1580 [10055.030125][ T1076] ip6_route_info_create+0xf18/0x17d0 [10055.030125][ T1076] addrconf_f6i_alloc+0x315/0x560 [10055.030125][ T1076] ipv6_add_addr+0x411/0x2000 [10055.030125][ T1076] inet6_addr_add+0x30e/0xa40 [10055.030125][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10055.030125][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.030125][ T1076] netlink_rcv_skb+0x130/0x360 [10055.030125][ T1076] netlink_unicast+0x449/0x710 [10055.030125][ T1076] netlink_sendmsg+0x723/0xbe0 [10055.030125][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10055.030125][ T1076] ___sys_sendmsg+0xee/0x170 [10055.030125][ T1076] __sys_sendmsg+0xcd/0x170 [10055.030125][ T1076] do_syscall_64+0xc6/0x1e0 [10055.030125][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.030125][ T1076] [10055.032394][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10055.032394][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10055.032394][ T1076] ipv6_find_idev+0x102/0x170 [10055.032394][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10055.032394][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.032394][ T1076] netlink_rcv_skb+0x130/0x360 [10055.032394][ T1076] netlink_unicast+0x449/0x710 [10055.032394][ T1076] netlink_sendmsg+0x723/0xbe0 [10055.032394][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10055.032394][ T1076] ___sys_sendmsg+0xee/0x170 [10055.032394][ T1076] __sys_sendmsg+0xcd/0x170 [10055.032394][ T1076] do_syscall_64+0xc6/0x1e0 [10055.032394][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.032394][ T1076] [10055.034120][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10055.034120][ T1076] neigh_parms_alloc+0x1e5/0x510 [10055.034120][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10055.034120][ T1076] ipv6_find_idev+0x102/0x170 [10055.034120][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10055.034120][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10055.034120][ T1076] netlink_rcv_skb+0x130/0x360 [10055.034120][ T1076] netlink_unicast+0x449/0x710 [10055.034120][ T1076] netlink_sendmsg+0x723/0xbe0 [10055.034120][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10055.034120][ T1076] ___sys_sendmsg+0xee/0x170 [10055.034120][ T1076] __sys_sendmsg+0xcd/0x170 [10055.034120][ T1076] do_syscall_64+0xc6/0x1e0 [10055.034120][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10055.034120][ T1076] [10061.301644][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10061.301994][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10061.301994][ T73] dst_init+0x84/0x4a0 [10061.301994][ T73] dst_alloc+0x97/0x150 [10061.301994][ T73] ip6_dst_alloc+0x23/0x90 [10061.301994][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10061.301994][ T73] ip6_pol_route+0x56f/0x840 [10061.301994][ T73] fib6_rule_lookup+0x456/0x630 [10061.301994][ T73] ip6_route_input+0x59c/0xa50 [10061.301994][ T73] ipv6_rcv+0x397/0x810 [10061.301994][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10061.301994][ T73] process_backlog+0x101/0x620 [10061.301994][ T73] __napi_poll.constprop.0+0xa2/0x460 [10061.301994][ T73] net_rx_action+0x495/0xbe0 [10061.301994][ T73] __do_softirq+0x1b5/0x7f6 [10061.301994][ T73] [10061.303654][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10061.303654][ T73] netdev_get_by_index+0x5e/0x80 [10061.303654][ T73] fib6_nh_init+0x3d8/0x1580 [10061.303654][ T73] ip6_route_info_create+0xf18/0x17d0 [10061.303654][ T73] ip6_route_add+0x1c/0x140 [10061.303654][ T73] addrconf_prefix_route+0x2a6/0x430 [10061.303654][ T73] inet6_addr_add+0x4f8/0xa40 [10061.303654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10061.303654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.303654][ T73] netlink_rcv_skb+0x130/0x360 [10061.303654][ T73] netlink_unicast+0x449/0x710 [10061.303654][ T73] netlink_sendmsg+0x723/0xbe0 [10061.303654][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.303654][ T73] ___sys_sendmsg+0xee/0x170 [10061.303654][ T73] __sys_sendmsg+0xcd/0x170 [10061.303654][ T73] do_syscall_64+0xc6/0x1e0 [10061.303654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.303654][ T73] [10061.305654][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10061.305654][ T73] netdev_get_by_index+0x5e/0x80 [10061.305654][ T73] fib6_nh_init+0x3d8/0x1580 [10061.305654][ T73] ip6_route_info_create+0xf18/0x17d0 [10061.305654][ T73] addrconf_f6i_alloc+0x315/0x560 [10061.305654][ T73] ipv6_add_addr+0x411/0x2000 [10061.305654][ T73] inet6_addr_add+0x30e/0xa40 [10061.305654][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10061.305654][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.305654][ T73] netlink_rcv_skb+0x130/0x360 [10061.305654][ T73] netlink_unicast+0x449/0x710 [10061.305654][ T73] netlink_sendmsg+0x723/0xbe0 [10061.305654][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.305654][ T73] ___sys_sendmsg+0xee/0x170 [10061.305654][ T73] __sys_sendmsg+0xcd/0x170 [10061.305654][ T73] do_syscall_64+0xc6/0x1e0 [10061.305654][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.305654][ T73] [10061.307658][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10061.307658][ T73] netdev_get_by_index+0x5e/0x80 [10061.307658][ T73] fib6_nh_init+0x3d8/0x1580 [10061.307658][ T73] ip6_route_info_create+0xf18/0x17d0 [10061.307658][ T73] ip6_route_add+0x1c/0x140 [10061.307658][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10061.307658][ T73] addrconf_add_dev+0xe2/0x170 [10061.307658][ T73] inet6_addr_add+0x12f/0xa40 [10061.307658][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10061.307658][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.307658][ T73] netlink_rcv_skb+0x130/0x360 [10061.307658][ T73] netlink_unicast+0x449/0x710 [10061.307658][ T73] netlink_sendmsg+0x723/0xbe0 [10061.307658][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.307658][ T73] ___sys_sendmsg+0xee/0x170 [10061.307658][ T73] __sys_sendmsg+0xcd/0x170 [10061.307658][ T73] do_syscall_64+0xc6/0x1e0 [10061.307658][ T73] [10061.309626][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10061.309626][ T73] ipv6_add_dev+0x3ba/0x11c0 [10061.309626][ T73] ipv6_find_idev+0x102/0x170 [10061.309626][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10061.309626][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.309626][ T73] netlink_rcv_skb+0x130/0x360 [10061.309626][ T73] netlink_unicast+0x449/0x710 [10061.309626][ T73] netlink_sendmsg+0x723/0xbe0 [10061.309626][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.309626][ T73] ___sys_sendmsg+0xee/0x170 [10061.309626][ T73] __sys_sendmsg+0xcd/0x170 [10061.309626][ T73] do_syscall_64+0xc6/0x1e0 [10061.309626][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.309626][ T73] [10061.311167][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10061.311167][ T73] neigh_parms_alloc+0x1e5/0x510 [10061.311167][ T73] ipv6_add_dev+0x2fe/0x11c0 [10061.311167][ T73] ipv6_find_idev+0x102/0x170 [10061.311167][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10061.311167][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.311167][ T73] netlink_rcv_skb+0x130/0x360 [10061.311167][ T73] netlink_unicast+0x449/0x710 [10061.311167][ T73] netlink_sendmsg+0x723/0xbe0 [10061.311167][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.311167][ T73] ___sys_sendmsg+0xee/0x170 [10061.311167][ T73] __sys_sendmsg+0xcd/0x170 [10061.311167][ T73] do_syscall_64+0xc6/0x1e0 [10061.311167][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.311167][ T73] [10061.312847][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10061.313095][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10061.313095][ T73] dst_init+0x84/0x4a0 [10061.313095][ T73] dst_alloc+0x97/0x150 [10061.313095][ T73] ip6_dst_alloc+0x23/0x90 [10061.313095][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10061.313095][ T73] ip6_pol_route+0x56f/0x840 [10061.313095][ T73] fib6_rule_lookup+0x456/0x630 [10061.313095][ T73] ip6_route_input+0x59c/0xa50 [10061.313095][ T73] ipv6_rcv+0x397/0x810 [10061.313095][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10061.313095][ T73] process_backlog+0x101/0x620 [10061.313095][ T73] __napi_poll.constprop.0+0xa2/0x460 [10061.313095][ T73] net_rx_action+0x495/0xbe0 [10061.313095][ T73] __do_softirq+0x1b5/0x7f6 [10061.313095][ T73] [10061.314727][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10061.314727][ T73] netdev_get_by_index+0x5e/0x80 [10061.314727][ T73] fib6_nh_init+0x3d8/0x1580 [10061.314727][ T73] ip6_route_info_create+0xf18/0x17d0 [10061.314727][ T73] ip6_route_add+0x1c/0x140 [10061.314727][ T73] addrconf_prefix_route+0x2a6/0x430 [10061.314727][ T73] inet6_addr_add+0x4f8/0xa40 [10061.314727][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10061.314727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.314727][ T73] netlink_rcv_skb+0x130/0x360 [10061.314727][ T73] netlink_unicast+0x449/0x710 [10061.314727][ T73] netlink_sendmsg+0x723/0xbe0 [10061.314727][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.314727][ T73] ___sys_sendmsg+0xee/0x170 [10061.314727][ T73] __sys_sendmsg+0xcd/0x170 [10061.314727][ T73] do_syscall_64+0xc6/0x1e0 [10061.314727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.314727][ T73] [10061.316721][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10061.316721][ T73] netdev_get_by_index+0x5e/0x80 [10061.316721][ T73] fib6_nh_init+0x3d8/0x1580 [10061.316721][ T73] ip6_route_info_create+0xf18/0x17d0 [10061.316721][ T73] addrconf_f6i_alloc+0x315/0x560 [10061.316721][ T73] ipv6_add_addr+0x411/0x2000 [10061.316721][ T73] inet6_addr_add+0x30e/0xa40 [10061.316721][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10061.316721][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.316721][ T73] netlink_rcv_skb+0x130/0x360 [10061.316721][ T73] netlink_unicast+0x449/0x710 [10061.316721][ T73] netlink_sendmsg+0x723/0xbe0 [10061.316721][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.316721][ T73] ___sys_sendmsg+0xee/0x170 [10061.316721][ T73] __sys_sendmsg+0xcd/0x170 [10061.316721][ T73] do_syscall_64+0xc6/0x1e0 [10061.316721][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.316721][ T73] [10061.318716][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10061.318716][ T73] netdev_get_by_index+0x5e/0x80 [10061.318716][ T73] fib6_nh_init+0x3d8/0x1580 [10061.318716][ T73] ip6_route_info_create+0xf18/0x17d0 [10061.318716][ T73] ip6_route_add+0x1c/0x140 [10061.318716][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10061.318716][ T73] addrconf_add_dev+0xe2/0x170 [10061.318716][ T73] inet6_addr_add+0x12f/0xa40 [10061.318716][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10061.318716][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.318716][ T73] netlink_rcv_skb+0x130/0x360 [10061.318716][ T73] netlink_unicast+0x449/0x710 [10061.318716][ T73] netlink_sendmsg+0x723/0xbe0 [10061.318716][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.318716][ T73] ___sys_sendmsg+0xee/0x170 [10061.318716][ T73] __sys_sendmsg+0xcd/0x170 [10061.318716][ T73] do_syscall_64+0xc6/0x1e0 [10061.318716][ T73] [10061.320667][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10061.320667][ T73] ipv6_add_dev+0x3ba/0x11c0 [10061.320667][ T73] ipv6_find_idev+0x102/0x170 [10061.320667][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10061.320667][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.320667][ T73] netlink_rcv_skb+0x130/0x360 [10061.320667][ T73] netlink_unicast+0x449/0x710 [10061.320667][ T73] netlink_sendmsg+0x723/0xbe0 [10061.320667][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.320667][ T73] ___sys_sendmsg+0xee/0x170 [10061.320667][ T73] __sys_sendmsg+0xcd/0x170 [10061.320667][ T73] do_syscall_64+0xc6/0x1e0 [10061.320667][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.320667][ T73] [10061.322219][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10061.322219][ T73] neigh_parms_alloc+0x1e5/0x510 [10061.322219][ T73] ipv6_add_dev+0x2fe/0x11c0 [10061.322219][ T73] ipv6_find_idev+0x102/0x170 [10061.322219][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10061.322219][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10061.322219][ T73] netlink_rcv_skb+0x130/0x360 [10061.322219][ T73] netlink_unicast+0x449/0x710 [10061.322219][ T73] netlink_sendmsg+0x723/0xbe0 [10061.322219][ T73] ____sys_sendmsg+0x7b2/0xa10 [10061.322219][ T73] ___sys_sendmsg+0xee/0x170 [10061.322219][ T73] __sys_sendmsg+0xcd/0x170 [10061.322219][ T73] do_syscall_64+0xc6/0x1e0 [10061.322219][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10061.322219][ T73] [10065.277706][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10065.278131][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10065.278131][ T1076] netdev_get_by_index+0x5e/0x80 [10065.278131][ T1076] fib6_nh_init+0x3d8/0x1580 [10065.278131][ T1076] ip6_route_info_create+0xf18/0x17d0 [10065.278131][ T1076] addrconf_f6i_alloc+0x315/0x560 [10065.278131][ T1076] ipv6_add_addr+0x411/0x2000 [10065.278131][ T1076] inet6_addr_add+0x30e/0xa40 [10065.278131][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10065.278131][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10065.278131][ T1076] netlink_rcv_skb+0x130/0x360 [10065.278131][ T1076] netlink_unicast+0x449/0x710 [10065.278131][ T1076] netlink_sendmsg+0x723/0xbe0 [10065.278131][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10065.278131][ T1076] ___sys_sendmsg+0xee/0x170 [10065.278131][ T1076] __sys_sendmsg+0xcd/0x170 [10065.278131][ T1076] do_syscall_64+0xc6/0x1e0 [10065.278131][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10065.278131][ T1076] [10065.280405][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10065.280405][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10065.280405][ T1076] ipv6_find_idev+0x102/0x170 [10065.280405][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10065.280405][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10065.280405][ T1076] netlink_rcv_skb+0x130/0x360 [10065.280405][ T1076] netlink_unicast+0x449/0x710 [10065.280405][ T1076] netlink_sendmsg+0x723/0xbe0 [10065.280405][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10065.280405][ T1076] ___sys_sendmsg+0xee/0x170 [10065.280405][ T1076] __sys_sendmsg+0xcd/0x170 [10065.280405][ T1076] do_syscall_64+0xc6/0x1e0 [10065.280405][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10065.280405][ T1076] [10065.282137][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10065.282137][ T1076] neigh_parms_alloc+0x1e5/0x510 [10065.282137][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10065.282137][ T1076] ipv6_find_idev+0x102/0x170 [10065.282137][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10065.282137][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10065.282137][ T1076] netlink_rcv_skb+0x130/0x360 [10065.282137][ T1076] netlink_unicast+0x449/0x710 [10065.282137][ T1076] netlink_sendmsg+0x723/0xbe0 [10065.282137][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10065.282137][ T1076] ___sys_sendmsg+0xee/0x170 [10065.282137][ T1076] __sys_sendmsg+0xcd/0x170 [10065.282137][ T1076] do_syscall_64+0xc6/0x1e0 [10065.282137][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10065.282137][ T1076] [10071.565701][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10071.566135][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10071.566135][ T73] dst_init+0x84/0x4a0 [10071.566135][ T73] dst_alloc+0x97/0x150 [10071.566135][ T73] ip6_dst_alloc+0x23/0x90 [10071.566135][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10071.566135][ T73] ip6_pol_route+0x56f/0x840 [10071.566135][ T73] fib6_rule_lookup+0x456/0x630 [10071.566135][ T73] ip6_route_input+0x59c/0xa50 [10071.566135][ T73] ipv6_rcv+0x397/0x810 [10071.566135][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10071.566135][ T73] process_backlog+0x101/0x620 [10071.566135][ T73] __napi_poll.constprop.0+0xa2/0x460 [10071.566135][ T73] net_rx_action+0x495/0xbe0 [10071.566135][ T73] __do_softirq+0x1b5/0x7f6 [10071.566135][ T73] [10071.567828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10071.567828][ T73] netdev_get_by_index+0x5e/0x80 [10071.567828][ T73] fib6_nh_init+0x3d8/0x1580 [10071.567828][ T73] ip6_route_info_create+0xf18/0x17d0 [10071.567828][ T73] ip6_route_add+0x1c/0x140 [10071.567828][ T73] addrconf_prefix_route+0x2a6/0x430 [10071.567828][ T73] inet6_addr_add+0x4f8/0xa40 [10071.567828][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10071.567828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.567828][ T73] netlink_rcv_skb+0x130/0x360 [10071.567828][ T73] netlink_unicast+0x449/0x710 [10071.567828][ T73] netlink_sendmsg+0x723/0xbe0 [10071.567828][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.567828][ T73] ___sys_sendmsg+0xee/0x170 [10071.567828][ T73] __sys_sendmsg+0xcd/0x170 [10071.567828][ T73] do_syscall_64+0xc6/0x1e0 [10071.567828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.567828][ T73] [10071.569849][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10071.569849][ T73] netdev_get_by_index+0x5e/0x80 [10071.569849][ T73] fib6_nh_init+0x3d8/0x1580 [10071.569849][ T73] ip6_route_info_create+0xf18/0x17d0 [10071.569849][ T73] addrconf_f6i_alloc+0x315/0x560 [10071.569849][ T73] ipv6_add_addr+0x411/0x2000 [10071.569849][ T73] inet6_addr_add+0x30e/0xa40 [10071.569849][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10071.569849][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.569849][ T73] netlink_rcv_skb+0x130/0x360 [10071.569849][ T73] netlink_unicast+0x449/0x710 [10071.569849][ T73] netlink_sendmsg+0x723/0xbe0 [10071.569849][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.569849][ T73] ___sys_sendmsg+0xee/0x170 [10071.569849][ T73] __sys_sendmsg+0xcd/0x170 [10071.569849][ T73] do_syscall_64+0xc6/0x1e0 [10071.569849][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.569849][ T73] [10071.571861][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10071.571861][ T73] netdev_get_by_index+0x5e/0x80 [10071.571861][ T73] fib6_nh_init+0x3d8/0x1580 [10071.571861][ T73] ip6_route_info_create+0xf18/0x17d0 [10071.571861][ T73] ip6_route_add+0x1c/0x140 [10071.571861][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10071.571861][ T73] addrconf_add_dev+0xe2/0x170 [10071.571861][ T73] inet6_addr_add+0x12f/0xa40 [10071.571861][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10071.571861][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.571861][ T73] netlink_rcv_skb+0x130/0x360 [10071.571861][ T73] netlink_unicast+0x449/0x710 [10071.571861][ T73] netlink_sendmsg+0x723/0xbe0 [10071.571861][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.571861][ T73] ___sys_sendmsg+0xee/0x170 [10071.571861][ T73] __sys_sendmsg+0xcd/0x170 [10071.571861][ T73] do_syscall_64+0xc6/0x1e0 [10071.571861][ T73] [10071.573843][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10071.573843][ T73] ipv6_add_dev+0x3ba/0x11c0 [10071.573843][ T73] ipv6_find_idev+0x102/0x170 [10071.573843][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10071.573843][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.573843][ T73] netlink_rcv_skb+0x130/0x360 [10071.573843][ T73] netlink_unicast+0x449/0x710 [10071.573843][ T73] netlink_sendmsg+0x723/0xbe0 [10071.573843][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.573843][ T73] ___sys_sendmsg+0xee/0x170 [10071.573843][ T73] __sys_sendmsg+0xcd/0x170 [10071.573843][ T73] do_syscall_64+0xc6/0x1e0 [10071.573843][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.573843][ T73] [10071.575396][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10071.575396][ T73] neigh_parms_alloc+0x1e5/0x510 [10071.575396][ T73] ipv6_add_dev+0x2fe/0x11c0 [10071.575396][ T73] ipv6_find_idev+0x102/0x170 [10071.575396][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10071.575396][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.575396][ T73] netlink_rcv_skb+0x130/0x360 [10071.575396][ T73] netlink_unicast+0x449/0x710 [10071.575396][ T73] netlink_sendmsg+0x723/0xbe0 [10071.575396][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.575396][ T73] ___sys_sendmsg+0xee/0x170 [10071.575396][ T73] __sys_sendmsg+0xcd/0x170 [10071.575396][ T73] do_syscall_64+0xc6/0x1e0 [10071.575396][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.575396][ T73] [10071.577116][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10071.577360][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10071.577360][ T73] dst_init+0x84/0x4a0 [10071.577360][ T73] dst_alloc+0x97/0x150 [10071.577360][ T73] ip6_dst_alloc+0x23/0x90 [10071.577360][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10071.577360][ T73] ip6_pol_route+0x56f/0x840 [10071.577360][ T73] fib6_rule_lookup+0x456/0x630 [10071.577360][ T73] ip6_route_input+0x59c/0xa50 [10071.577360][ T73] ipv6_rcv+0x397/0x810 [10071.577360][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10071.577360][ T73] process_backlog+0x101/0x620 [10071.577360][ T73] __napi_poll.constprop.0+0xa2/0x460 [10071.577360][ T73] net_rx_action+0x495/0xbe0 [10071.577360][ T73] __do_softirq+0x1b5/0x7f6 [10071.577360][ T73] [10071.579005][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10071.579005][ T73] netdev_get_by_index+0x5e/0x80 [10071.579005][ T73] fib6_nh_init+0x3d8/0x1580 [10071.579005][ T73] ip6_route_info_create+0xf18/0x17d0 [10071.579005][ T73] ip6_route_add+0x1c/0x140 [10071.579005][ T73] addrconf_prefix_route+0x2a6/0x430 [10071.579005][ T73] inet6_addr_add+0x4f8/0xa40 [10071.579005][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10071.579005][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.579005][ T73] netlink_rcv_skb+0x130/0x360 [10071.579005][ T73] netlink_unicast+0x449/0x710 [10071.579005][ T73] netlink_sendmsg+0x723/0xbe0 [10071.579005][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.579005][ T73] ___sys_sendmsg+0xee/0x170 [10071.579005][ T73] __sys_sendmsg+0xcd/0x170 [10071.579005][ T73] do_syscall_64+0xc6/0x1e0 [10071.579005][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.579005][ T73] [10071.581029][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10071.581029][ T73] netdev_get_by_index+0x5e/0x80 [10071.581029][ T73] fib6_nh_init+0x3d8/0x1580 [10071.581029][ T73] ip6_route_info_create+0xf18/0x17d0 [10071.581029][ T73] addrconf_f6i_alloc+0x315/0x560 [10071.581029][ T73] ipv6_add_addr+0x411/0x2000 [10071.581029][ T73] inet6_addr_add+0x30e/0xa40 [10071.581029][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10071.581029][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.581029][ T73] netlink_rcv_skb+0x130/0x360 [10071.581029][ T73] netlink_unicast+0x449/0x710 [10071.581029][ T73] netlink_sendmsg+0x723/0xbe0 [10071.581029][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.581029][ T73] ___sys_sendmsg+0xee/0x170 [10071.581029][ T73] __sys_sendmsg+0xcd/0x170 [10071.581029][ T73] do_syscall_64+0xc6/0x1e0 [10071.581029][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.581029][ T73] [10071.583044][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10071.583044][ T73] netdev_get_by_index+0x5e/0x80 [10071.583044][ T73] fib6_nh_init+0x3d8/0x1580 [10071.583044][ T73] ip6_route_info_create+0xf18/0x17d0 [10071.583044][ T73] ip6_route_add+0x1c/0x140 [10071.583044][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10071.583044][ T73] addrconf_add_dev+0xe2/0x170 [10071.583044][ T73] inet6_addr_add+0x12f/0xa40 [10071.583044][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10071.583044][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.583044][ T73] netlink_rcv_skb+0x130/0x360 [10071.583044][ T73] netlink_unicast+0x449/0x710 [10071.583044][ T73] netlink_sendmsg+0x723/0xbe0 [10071.583044][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.583044][ T73] ___sys_sendmsg+0xee/0x170 [10071.583044][ T73] __sys_sendmsg+0xcd/0x170 [10071.583044][ T73] do_syscall_64+0xc6/0x1e0 [10071.583044][ T73] [10071.585020][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10071.585020][ T73] ipv6_add_dev+0x3ba/0x11c0 [10071.585020][ T73] ipv6_find_idev+0x102/0x170 [10071.585020][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10071.585020][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.585020][ T73] netlink_rcv_skb+0x130/0x360 [10071.585020][ T73] netlink_unicast+0x449/0x710 [10071.585020][ T73] netlink_sendmsg+0x723/0xbe0 [10071.585020][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.585020][ T73] ___sys_sendmsg+0xee/0x170 [10071.585020][ T73] __sys_sendmsg+0xcd/0x170 [10071.585020][ T73] do_syscall_64+0xc6/0x1e0 [10071.585020][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.585020][ T73] [10071.586569][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10071.586569][ T73] neigh_parms_alloc+0x1e5/0x510 [10071.586569][ T73] ipv6_add_dev+0x2fe/0x11c0 [10071.586569][ T73] ipv6_find_idev+0x102/0x170 [10071.586569][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10071.586569][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10071.586569][ T73] netlink_rcv_skb+0x130/0x360 [10071.586569][ T73] netlink_unicast+0x449/0x710 [10071.586569][ T73] netlink_sendmsg+0x723/0xbe0 [10071.586569][ T73] ____sys_sendmsg+0x7b2/0xa10 [10071.586569][ T73] ___sys_sendmsg+0xee/0x170 [10071.586569][ T73] __sys_sendmsg+0xcd/0x170 [10071.586569][ T73] do_syscall_64+0xc6/0x1e0 [10071.586569][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10071.586569][ T73] [10075.525800][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10075.526222][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10075.526222][ T1076] netdev_get_by_index+0x5e/0x80 [10075.526222][ T1076] fib6_nh_init+0x3d8/0x1580 [10075.526222][ T1076] ip6_route_info_create+0xf18/0x17d0 [10075.526222][ T1076] addrconf_f6i_alloc+0x315/0x560 [10075.526222][ T1076] ipv6_add_addr+0x411/0x2000 [10075.526222][ T1076] inet6_addr_add+0x30e/0xa40 [10075.526222][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10075.526222][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10075.526222][ T1076] netlink_rcv_skb+0x130/0x360 [10075.526222][ T1076] netlink_unicast+0x449/0x710 [10075.526222][ T1076] netlink_sendmsg+0x723/0xbe0 [10075.526222][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10075.526222][ T1076] ___sys_sendmsg+0xee/0x170 [10075.526222][ T1076] __sys_sendmsg+0xcd/0x170 [10075.526222][ T1076] do_syscall_64+0xc6/0x1e0 [10075.526222][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10075.526222][ T1076] [10075.528480][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10075.528480][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10075.528480][ T1076] ipv6_find_idev+0x102/0x170 [10075.528480][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10075.528480][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10075.528480][ T1076] netlink_rcv_skb+0x130/0x360 [10075.528480][ T1076] netlink_unicast+0x449/0x710 [10075.528480][ T1076] netlink_sendmsg+0x723/0xbe0 [10075.528480][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10075.528480][ T1076] ___sys_sendmsg+0xee/0x170 [10075.528480][ T1076] __sys_sendmsg+0xcd/0x170 [10075.528480][ T1076] do_syscall_64+0xc6/0x1e0 [10075.528480][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10075.528480][ T1076] [10075.530210][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10075.530210][ T1076] neigh_parms_alloc+0x1e5/0x510 [10075.530210][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10075.530210][ T1076] ipv6_find_idev+0x102/0x170 [10075.530210][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10075.530210][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10075.530210][ T1076] netlink_rcv_skb+0x130/0x360 [10075.530210][ T1076] netlink_unicast+0x449/0x710 [10075.530210][ T1076] netlink_sendmsg+0x723/0xbe0 [10075.530210][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10075.530210][ T1076] ___sys_sendmsg+0xee/0x170 [10075.530210][ T1076] __sys_sendmsg+0xcd/0x170 [10075.530210][ T1076] do_syscall_64+0xc6/0x1e0 [10075.530210][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10075.530210][ T1076] [10081.829719][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10081.830094][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10081.830094][ T73] dst_init+0x84/0x4a0 [10081.830094][ T73] dst_alloc+0x97/0x150 [10081.830094][ T73] ip6_dst_alloc+0x23/0x90 [10081.830094][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10081.830094][ T73] ip6_pol_route+0x56f/0x840 [10081.830094][ T73] fib6_rule_lookup+0x456/0x630 [10081.830094][ T73] ip6_route_input+0x59c/0xa50 [10081.830094][ T73] ipv6_rcv+0x397/0x810 [10081.830094][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10081.830094][ T73] process_backlog+0x101/0x620 [10081.830094][ T73] __napi_poll.constprop.0+0xa2/0x460 [10081.830094][ T73] net_rx_action+0x495/0xbe0 [10081.830094][ T73] __do_softirq+0x1b5/0x7f6 [10081.830094][ T73] [10081.831767][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10081.831767][ T73] netdev_get_by_index+0x5e/0x80 [10081.831767][ T73] fib6_nh_init+0x3d8/0x1580 [10081.831767][ T73] ip6_route_info_create+0xf18/0x17d0 [10081.831767][ T73] ip6_route_add+0x1c/0x140 [10081.831767][ T73] addrconf_prefix_route+0x2a6/0x430 [10081.831767][ T73] inet6_addr_add+0x4f8/0xa40 [10081.831767][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10081.831767][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.831767][ T73] netlink_rcv_skb+0x130/0x360 [10081.831767][ T73] netlink_unicast+0x449/0x710 [10081.831767][ T73] netlink_sendmsg+0x723/0xbe0 [10081.831767][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.831767][ T73] ___sys_sendmsg+0xee/0x170 [10081.831767][ T73] __sys_sendmsg+0xcd/0x170 [10081.831767][ T73] do_syscall_64+0xc6/0x1e0 [10081.831767][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.831767][ T73] [10081.833791][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10081.833791][ T73] netdev_get_by_index+0x5e/0x80 [10081.833791][ T73] fib6_nh_init+0x3d8/0x1580 [10081.833791][ T73] ip6_route_info_create+0xf18/0x17d0 [10081.833791][ T73] addrconf_f6i_alloc+0x315/0x560 [10081.833791][ T73] ipv6_add_addr+0x411/0x2000 [10081.833791][ T73] inet6_addr_add+0x30e/0xa40 [10081.833791][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10081.833791][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.833791][ T73] netlink_rcv_skb+0x130/0x360 [10081.833791][ T73] netlink_unicast+0x449/0x710 [10081.833791][ T73] netlink_sendmsg+0x723/0xbe0 [10081.833791][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.833791][ T73] ___sys_sendmsg+0xee/0x170 [10081.833791][ T73] __sys_sendmsg+0xcd/0x170 [10081.833791][ T73] do_syscall_64+0xc6/0x1e0 [10081.833791][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.833791][ T73] [10081.835812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10081.835812][ T73] netdev_get_by_index+0x5e/0x80 [10081.835812][ T73] fib6_nh_init+0x3d8/0x1580 [10081.835812][ T73] ip6_route_info_create+0xf18/0x17d0 [10081.835812][ T73] ip6_route_add+0x1c/0x140 [10081.835812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10081.835812][ T73] addrconf_add_dev+0xe2/0x170 [10081.835812][ T73] inet6_addr_add+0x12f/0xa40 [10081.835812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10081.835812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.835812][ T73] netlink_rcv_skb+0x130/0x360 [10081.835812][ T73] netlink_unicast+0x449/0x710 [10081.835812][ T73] netlink_sendmsg+0x723/0xbe0 [10081.835812][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.835812][ T73] ___sys_sendmsg+0xee/0x170 [10081.835812][ T73] __sys_sendmsg+0xcd/0x170 [10081.835812][ T73] do_syscall_64+0xc6/0x1e0 [10081.835812][ T73] [10081.837799][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10081.837799][ T73] ipv6_add_dev+0x3ba/0x11c0 [10081.837799][ T73] ipv6_find_idev+0x102/0x170 [10081.837799][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10081.837799][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.837799][ T73] netlink_rcv_skb+0x130/0x360 [10081.837799][ T73] netlink_unicast+0x449/0x710 [10081.837799][ T73] netlink_sendmsg+0x723/0xbe0 [10081.837799][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.837799][ T73] ___sys_sendmsg+0xee/0x170 [10081.837799][ T73] __sys_sendmsg+0xcd/0x170 [10081.837799][ T73] do_syscall_64+0xc6/0x1e0 [10081.837799][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.837799][ T73] [10081.839356][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10081.839356][ T73] neigh_parms_alloc+0x1e5/0x510 [10081.839356][ T73] ipv6_add_dev+0x2fe/0x11c0 [10081.839356][ T73] ipv6_find_idev+0x102/0x170 [10081.839356][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10081.839356][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.839356][ T73] netlink_rcv_skb+0x130/0x360 [10081.839356][ T73] netlink_unicast+0x449/0x710 [10081.839356][ T73] netlink_sendmsg+0x723/0xbe0 [10081.839356][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.839356][ T73] ___sys_sendmsg+0xee/0x170 [10081.839356][ T73] __sys_sendmsg+0xcd/0x170 [10081.839356][ T73] do_syscall_64+0xc6/0x1e0 [10081.839356][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.839356][ T73] [10081.841077][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10081.841325][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10081.841325][ T73] dst_init+0x84/0x4a0 [10081.841325][ T73] dst_alloc+0x97/0x150 [10081.841325][ T73] ip6_dst_alloc+0x23/0x90 [10081.841325][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10081.841325][ T73] ip6_pol_route+0x56f/0x840 [10081.841325][ T73] fib6_rule_lookup+0x456/0x630 [10081.841325][ T73] ip6_route_input+0x59c/0xa50 [10081.841325][ T73] ipv6_rcv+0x397/0x810 [10081.841325][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10081.841325][ T73] process_backlog+0x101/0x620 [10081.841325][ T73] __napi_poll.constprop.0+0xa2/0x460 [10081.841325][ T73] net_rx_action+0x495/0xbe0 [10081.841325][ T73] __do_softirq+0x1b5/0x7f6 [10081.841325][ T73] [10081.842980][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10081.842980][ T73] netdev_get_by_index+0x5e/0x80 [10081.842980][ T73] fib6_nh_init+0x3d8/0x1580 [10081.842980][ T73] ip6_route_info_create+0xf18/0x17d0 [10081.842980][ T73] ip6_route_add+0x1c/0x140 [10081.842980][ T73] addrconf_prefix_route+0x2a6/0x430 [10081.842980][ T73] inet6_addr_add+0x4f8/0xa40 [10081.842980][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10081.842980][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.842980][ T73] netlink_rcv_skb+0x130/0x360 [10081.842980][ T73] netlink_unicast+0x449/0x710 [10081.842980][ T73] netlink_sendmsg+0x723/0xbe0 [10081.842980][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.842980][ T73] ___sys_sendmsg+0xee/0x170 [10081.842980][ T73] __sys_sendmsg+0xcd/0x170 [10081.842980][ T73] do_syscall_64+0xc6/0x1e0 [10081.842980][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.842980][ T73] [10081.844996][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10081.844996][ T73] netdev_get_by_index+0x5e/0x80 [10081.844996][ T73] fib6_nh_init+0x3d8/0x1580 [10081.844996][ T73] ip6_route_info_create+0xf18/0x17d0 [10081.844996][ T73] addrconf_f6i_alloc+0x315/0x560 [10081.844996][ T73] ipv6_add_addr+0x411/0x2000 [10081.844996][ T73] inet6_addr_add+0x30e/0xa40 [10081.844996][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10081.844996][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.844996][ T73] netlink_rcv_skb+0x130/0x360 [10081.844996][ T73] netlink_unicast+0x449/0x710 [10081.844996][ T73] netlink_sendmsg+0x723/0xbe0 [10081.844996][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.844996][ T73] ___sys_sendmsg+0xee/0x170 [10081.844996][ T73] __sys_sendmsg+0xcd/0x170 [10081.844996][ T73] do_syscall_64+0xc6/0x1e0 [10081.844996][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.844996][ T73] [10081.847034][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10081.847034][ T73] netdev_get_by_index+0x5e/0x80 [10081.847034][ T73] fib6_nh_init+0x3d8/0x1580 [10081.847034][ T73] ip6_route_info_create+0xf18/0x17d0 [10081.847034][ T73] ip6_route_add+0x1c/0x140 [10081.847034][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10081.847034][ T73] addrconf_add_dev+0xe2/0x170 [10081.847034][ T73] inet6_addr_add+0x12f/0xa40 [10081.847034][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10081.847034][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.847034][ T73] netlink_rcv_skb+0x130/0x360 [10081.847034][ T73] netlink_unicast+0x449/0x710 [10081.847034][ T73] netlink_sendmsg+0x723/0xbe0 [10081.847034][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.847034][ T73] ___sys_sendmsg+0xee/0x170 [10081.847034][ T73] __sys_sendmsg+0xcd/0x170 [10081.847034][ T73] do_syscall_64+0xc6/0x1e0 [10081.847034][ T73] [10081.849023][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10081.849023][ T73] ipv6_add_dev+0x3ba/0x11c0 [10081.849023][ T73] ipv6_find_idev+0x102/0x170 [10081.849023][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10081.849023][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.849023][ T73] netlink_rcv_skb+0x130/0x360 [10081.849023][ T73] netlink_unicast+0x449/0x710 [10081.849023][ T73] netlink_sendmsg+0x723/0xbe0 [10081.849023][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.849023][ T73] ___sys_sendmsg+0xee/0x170 [10081.849023][ T73] __sys_sendmsg+0xcd/0x170 [10081.849023][ T73] do_syscall_64+0xc6/0x1e0 [10081.849023][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.849023][ T73] [10081.850579][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10081.850579][ T73] neigh_parms_alloc+0x1e5/0x510 [10081.850579][ T73] ipv6_add_dev+0x2fe/0x11c0 [10081.850579][ T73] ipv6_find_idev+0x102/0x170 [10081.850579][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10081.850579][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10081.850579][ T73] netlink_rcv_skb+0x130/0x360 [10081.850579][ T73] netlink_unicast+0x449/0x710 [10081.850579][ T73] netlink_sendmsg+0x723/0xbe0 [10081.850579][ T73] ____sys_sendmsg+0x7b2/0xa10 [10081.850579][ T73] ___sys_sendmsg+0xee/0x170 [10081.850579][ T73] __sys_sendmsg+0xcd/0x170 [10081.850579][ T73] do_syscall_64+0xc6/0x1e0 [10081.850579][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10081.850579][ T73] [10085.773715][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10085.774133][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10085.774133][ T1076] netdev_get_by_index+0x5e/0x80 [10085.774133][ T1076] fib6_nh_init+0x3d8/0x1580 [10085.774133][ T1076] ip6_route_info_create+0xf18/0x17d0 [10085.774133][ T1076] addrconf_f6i_alloc+0x315/0x560 [10085.774133][ T1076] ipv6_add_addr+0x411/0x2000 [10085.774133][ T1076] inet6_addr_add+0x30e/0xa40 [10085.774133][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10085.774133][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10085.774133][ T1076] netlink_rcv_skb+0x130/0x360 [10085.774133][ T1076] netlink_unicast+0x449/0x710 [10085.774133][ T1076] netlink_sendmsg+0x723/0xbe0 [10085.774133][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10085.774133][ T1076] ___sys_sendmsg+0xee/0x170 [10085.774133][ T1076] __sys_sendmsg+0xcd/0x170 [10085.774133][ T1076] do_syscall_64+0xc6/0x1e0 [10085.774133][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10085.774133][ T1076] [10085.776399][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10085.776399][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10085.776399][ T1076] ipv6_find_idev+0x102/0x170 [10085.776399][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10085.776399][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10085.776399][ T1076] netlink_rcv_skb+0x130/0x360 [10085.776399][ T1076] netlink_unicast+0x449/0x710 [10085.776399][ T1076] netlink_sendmsg+0x723/0xbe0 [10085.776399][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10085.776399][ T1076] ___sys_sendmsg+0xee/0x170 [10085.776399][ T1076] __sys_sendmsg+0xcd/0x170 [10085.776399][ T1076] do_syscall_64+0xc6/0x1e0 [10085.776399][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10085.776399][ T1076] [10085.778143][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10085.778143][ T1076] neigh_parms_alloc+0x1e5/0x510 [10085.778143][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10085.778143][ T1076] ipv6_find_idev+0x102/0x170 [10085.778143][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10085.778143][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10085.778143][ T1076] netlink_rcv_skb+0x130/0x360 [10085.778143][ T1076] netlink_unicast+0x449/0x710 [10085.778143][ T1076] netlink_sendmsg+0x723/0xbe0 [10085.778143][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10085.778143][ T1076] ___sys_sendmsg+0xee/0x170 [10085.778143][ T1076] __sys_sendmsg+0xcd/0x170 [10085.778143][ T1076] do_syscall_64+0xc6/0x1e0 [10085.778143][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10085.778143][ T1076] [10092.093702][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10092.094072][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10092.094072][ T73] dst_init+0x84/0x4a0 [10092.094072][ T73] dst_alloc+0x97/0x150 [10092.094072][ T73] ip6_dst_alloc+0x23/0x90 [10092.094072][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10092.094072][ T73] ip6_pol_route+0x56f/0x840 [10092.094072][ T73] fib6_rule_lookup+0x456/0x630 [10092.094072][ T73] ip6_route_input+0x59c/0xa50 [10092.094072][ T73] ipv6_rcv+0x397/0x810 [10092.094072][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10092.094072][ T73] process_backlog+0x101/0x620 [10092.094072][ T73] __napi_poll.constprop.0+0xa2/0x460 [10092.094072][ T73] net_rx_action+0x495/0xbe0 [10092.094072][ T73] __do_softirq+0x1b5/0x7f6 [10092.094072][ T73] [10092.095755][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10092.095755][ T73] netdev_get_by_index+0x5e/0x80 [10092.095755][ T73] fib6_nh_init+0x3d8/0x1580 [10092.095755][ T73] ip6_route_info_create+0xf18/0x17d0 [10092.095755][ T73] ip6_route_add+0x1c/0x140 [10092.095755][ T73] addrconf_prefix_route+0x2a6/0x430 [10092.095755][ T73] inet6_addr_add+0x4f8/0xa40 [10092.095755][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10092.095755][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.095755][ T73] netlink_rcv_skb+0x130/0x360 [10092.095755][ T73] netlink_unicast+0x449/0x710 [10092.095755][ T73] netlink_sendmsg+0x723/0xbe0 [10092.095755][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.095755][ T73] ___sys_sendmsg+0xee/0x170 [10092.095755][ T73] __sys_sendmsg+0xcd/0x170 [10092.095755][ T73] do_syscall_64+0xc6/0x1e0 [10092.095755][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.095755][ T73] [10092.097788][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10092.097788][ T73] netdev_get_by_index+0x5e/0x80 [10092.097788][ T73] fib6_nh_init+0x3d8/0x1580 [10092.097788][ T73] ip6_route_info_create+0xf18/0x17d0 [10092.097788][ T73] addrconf_f6i_alloc+0x315/0x560 [10092.097788][ T73] ipv6_add_addr+0x411/0x2000 [10092.097788][ T73] inet6_addr_add+0x30e/0xa40 [10092.097788][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10092.097788][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.097788][ T73] netlink_rcv_skb+0x130/0x360 [10092.097788][ T73] netlink_unicast+0x449/0x710 [10092.097788][ T73] netlink_sendmsg+0x723/0xbe0 [10092.097788][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.097788][ T73] ___sys_sendmsg+0xee/0x170 [10092.097788][ T73] __sys_sendmsg+0xcd/0x170 [10092.097788][ T73] do_syscall_64+0xc6/0x1e0 [10092.097788][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.097788][ T73] [10092.099900][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10092.099900][ T73] netdev_get_by_index+0x5e/0x80 [10092.099900][ T73] fib6_nh_init+0x3d8/0x1580 [10092.099900][ T73] ip6_route_info_create+0xf18/0x17d0 [10092.099900][ T73] ip6_route_add+0x1c/0x140 [10092.099900][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10092.099900][ T73] addrconf_add_dev+0xe2/0x170 [10092.099900][ T73] inet6_addr_add+0x12f/0xa40 [10092.099900][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10092.099900][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.099900][ T73] netlink_rcv_skb+0x130/0x360 [10092.099900][ T73] netlink_unicast+0x449/0x710 [10092.099900][ T73] netlink_sendmsg+0x723/0xbe0 [10092.099900][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.099900][ T73] ___sys_sendmsg+0xee/0x170 [10092.099900][ T73] __sys_sendmsg+0xcd/0x170 [10092.099900][ T73] do_syscall_64+0xc6/0x1e0 [10092.099900][ T73] [10092.101894][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10092.101894][ T73] ipv6_add_dev+0x3ba/0x11c0 [10092.101894][ T73] ipv6_find_idev+0x102/0x170 [10092.101894][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10092.101894][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.101894][ T73] netlink_rcv_skb+0x130/0x360 [10092.101894][ T73] netlink_unicast+0x449/0x710 [10092.101894][ T73] netlink_sendmsg+0x723/0xbe0 [10092.101894][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.101894][ T73] ___sys_sendmsg+0xee/0x170 [10092.101894][ T73] __sys_sendmsg+0xcd/0x170 [10092.101894][ T73] do_syscall_64+0xc6/0x1e0 [10092.101894][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.101894][ T73] [10092.103455][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10092.103455][ T73] neigh_parms_alloc+0x1e5/0x510 [10092.103455][ T73] ipv6_add_dev+0x2fe/0x11c0 [10092.103455][ T73] ipv6_find_idev+0x102/0x170 [10092.103455][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10092.103455][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.103455][ T73] netlink_rcv_skb+0x130/0x360 [10092.103455][ T73] netlink_unicast+0x449/0x710 [10092.103455][ T73] netlink_sendmsg+0x723/0xbe0 [10092.103455][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.103455][ T73] ___sys_sendmsg+0xee/0x170 [10092.103455][ T73] __sys_sendmsg+0xcd/0x170 [10092.103455][ T73] do_syscall_64+0xc6/0x1e0 [10092.103455][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.103455][ T73] [10092.105178][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10092.105421][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10092.105421][ T73] dst_init+0x84/0x4a0 [10092.105421][ T73] dst_alloc+0x97/0x150 [10092.105421][ T73] ip6_dst_alloc+0x23/0x90 [10092.105421][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10092.105421][ T73] ip6_pol_route+0x56f/0x840 [10092.105421][ T73] fib6_rule_lookup+0x456/0x630 [10092.105421][ T73] ip6_route_input+0x59c/0xa50 [10092.105421][ T73] ipv6_rcv+0x397/0x810 [10092.105421][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10092.105421][ T73] process_backlog+0x101/0x620 [10092.105421][ T73] __napi_poll.constprop.0+0xa2/0x460 [10092.105421][ T73] net_rx_action+0x495/0xbe0 [10092.105421][ T73] __do_softirq+0x1b5/0x7f6 [10092.105421][ T73] [10092.107093][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10092.107093][ T73] netdev_get_by_index+0x5e/0x80 [10092.107093][ T73] fib6_nh_init+0x3d8/0x1580 [10092.107093][ T73] ip6_route_info_create+0xf18/0x17d0 [10092.107093][ T73] ip6_route_add+0x1c/0x140 [10092.107093][ T73] addrconf_prefix_route+0x2a6/0x430 [10092.107093][ T73] inet6_addr_add+0x4f8/0xa40 [10092.107093][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10092.107093][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.107093][ T73] netlink_rcv_skb+0x130/0x360 [10092.107093][ T73] netlink_unicast+0x449/0x710 [10092.107093][ T73] netlink_sendmsg+0x723/0xbe0 [10092.107093][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.107093][ T73] ___sys_sendmsg+0xee/0x170 [10092.107093][ T73] __sys_sendmsg+0xcd/0x170 [10092.107093][ T73] do_syscall_64+0xc6/0x1e0 [10092.107093][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.107093][ T73] [10092.109110][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10092.109110][ T73] netdev_get_by_index+0x5e/0x80 [10092.109110][ T73] fib6_nh_init+0x3d8/0x1580 [10092.109110][ T73] ip6_route_info_create+0xf18/0x17d0 [10092.109110][ T73] addrconf_f6i_alloc+0x315/0x560 [10092.109110][ T73] ipv6_add_addr+0x411/0x2000 [10092.109110][ T73] inet6_addr_add+0x30e/0xa40 [10092.109110][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10092.109110][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.109110][ T73] netlink_rcv_skb+0x130/0x360 [10092.109110][ T73] netlink_unicast+0x449/0x710 [10092.109110][ T73] netlink_sendmsg+0x723/0xbe0 [10092.109110][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.109110][ T73] ___sys_sendmsg+0xee/0x170 [10092.109110][ T73] __sys_sendmsg+0xcd/0x170 [10092.109110][ T73] do_syscall_64+0xc6/0x1e0 [10092.109110][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.109110][ T73] [10092.111131][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10092.111131][ T73] netdev_get_by_index+0x5e/0x80 [10092.111131][ T73] fib6_nh_init+0x3d8/0x1580 [10092.111131][ T73] ip6_route_info_create+0xf18/0x17d0 [10092.111131][ T73] ip6_route_add+0x1c/0x140 [10092.111131][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10092.111131][ T73] addrconf_add_dev+0xe2/0x170 [10092.111131][ T73] inet6_addr_add+0x12f/0xa40 [10092.111131][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10092.111131][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.111131][ T73] netlink_rcv_skb+0x130/0x360 [10092.111131][ T73] netlink_unicast+0x449/0x710 [10092.111131][ T73] netlink_sendmsg+0x723/0xbe0 [10092.111131][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.111131][ T73] ___sys_sendmsg+0xee/0x170 [10092.111131][ T73] __sys_sendmsg+0xcd/0x170 [10092.111131][ T73] do_syscall_64+0xc6/0x1e0 [10092.111131][ T73] [10092.113123][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10092.113123][ T73] ipv6_add_dev+0x3ba/0x11c0 [10092.113123][ T73] ipv6_find_idev+0x102/0x170 [10092.113123][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10092.113123][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.113123][ T73] netlink_rcv_skb+0x130/0x360 [10092.113123][ T73] netlink_unicast+0x449/0x710 [10092.113123][ T73] netlink_sendmsg+0x723/0xbe0 [10092.113123][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.113123][ T73] ___sys_sendmsg+0xee/0x170 [10092.113123][ T73] __sys_sendmsg+0xcd/0x170 [10092.113123][ T73] do_syscall_64+0xc6/0x1e0 [10092.113123][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.113123][ T73] [10092.114675][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10092.114675][ T73] neigh_parms_alloc+0x1e5/0x510 [10092.114675][ T73] ipv6_add_dev+0x2fe/0x11c0 [10092.114675][ T73] ipv6_find_idev+0x102/0x170 [10092.114675][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10092.114675][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10092.114675][ T73] netlink_rcv_skb+0x130/0x360 [10092.114675][ T73] netlink_unicast+0x449/0x710 [10092.114675][ T73] netlink_sendmsg+0x723/0xbe0 [10092.114675][ T73] ____sys_sendmsg+0x7b2/0xa10 [10092.114675][ T73] ___sys_sendmsg+0xee/0x170 [10092.114675][ T73] __sys_sendmsg+0xcd/0x170 [10092.114675][ T73] do_syscall_64+0xc6/0x1e0 [10092.114675][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10092.114675][ T73] [10096.021695][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10096.022195][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10096.022195][ T1076] netdev_get_by_index+0x5e/0x80 [10096.022195][ T1076] fib6_nh_init+0x3d8/0x1580 [10096.022195][ T1076] ip6_route_info_create+0xf18/0x17d0 [10096.022195][ T1076] addrconf_f6i_alloc+0x315/0x560 [10096.022195][ T1076] ipv6_add_addr+0x411/0x2000 [10096.022195][ T1076] inet6_addr_add+0x30e/0xa40 [10096.022195][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10096.022195][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.022195][ T1076] netlink_rcv_skb+0x130/0x360 [10096.022195][ T1076] netlink_unicast+0x449/0x710 [10096.022195][ T1076] netlink_sendmsg+0x723/0xbe0 [10096.022195][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10096.022195][ T1076] ___sys_sendmsg+0xee/0x170 [10096.022195][ T1076] __sys_sendmsg+0xcd/0x170 [10096.022195][ T1076] do_syscall_64+0xc6/0x1e0 [10096.022195][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.022195][ T1076] [10096.024479][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10096.024479][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10096.024479][ T1076] ipv6_find_idev+0x102/0x170 [10096.024479][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10096.024479][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.024479][ T1076] netlink_rcv_skb+0x130/0x360 [10096.024479][ T1076] netlink_unicast+0x449/0x710 [10096.024479][ T1076] netlink_sendmsg+0x723/0xbe0 [10096.024479][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10096.024479][ T1076] ___sys_sendmsg+0xee/0x170 [10096.024479][ T1076] __sys_sendmsg+0xcd/0x170 [10096.024479][ T1076] do_syscall_64+0xc6/0x1e0 [10096.024479][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.024479][ T1076] [10096.026228][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10096.026228][ T1076] neigh_parms_alloc+0x1e5/0x510 [10096.026228][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10096.026228][ T1076] ipv6_find_idev+0x102/0x170 [10096.026228][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10096.026228][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10096.026228][ T1076] netlink_rcv_skb+0x130/0x360 [10096.026228][ T1076] netlink_unicast+0x449/0x710 [10096.026228][ T1076] netlink_sendmsg+0x723/0xbe0 [10096.026228][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10096.026228][ T1076] ___sys_sendmsg+0xee/0x170 [10096.026228][ T1076] __sys_sendmsg+0xcd/0x170 [10096.026228][ T1076] do_syscall_64+0xc6/0x1e0 [10096.026228][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10096.026228][ T1076] [10102.357714][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10102.358142][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10102.358142][ T73] dst_init+0x84/0x4a0 [10102.358142][ T73] dst_alloc+0x97/0x150 [10102.358142][ T73] ip6_dst_alloc+0x23/0x90 [10102.358142][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10102.358142][ T73] ip6_pol_route+0x56f/0x840 [10102.358142][ T73] fib6_rule_lookup+0x456/0x630 [10102.358142][ T73] ip6_route_input+0x59c/0xa50 [10102.358142][ T73] ipv6_rcv+0x397/0x810 [10102.358142][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10102.358142][ T73] process_backlog+0x101/0x620 [10102.358142][ T73] __napi_poll.constprop.0+0xa2/0x460 [10102.358142][ T73] net_rx_action+0x495/0xbe0 [10102.358142][ T73] __do_softirq+0x1b5/0x7f6 [10102.358142][ T73] [10102.359824][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10102.359824][ T73] netdev_get_by_index+0x5e/0x80 [10102.359824][ T73] fib6_nh_init+0x3d8/0x1580 [10102.359824][ T73] ip6_route_info_create+0xf18/0x17d0 [10102.359824][ T73] ip6_route_add+0x1c/0x140 [10102.359824][ T73] addrconf_prefix_route+0x2a6/0x430 [10102.359824][ T73] inet6_addr_add+0x4f8/0xa40 [10102.359824][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10102.359824][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.359824][ T73] netlink_rcv_skb+0x130/0x360 [10102.359824][ T73] netlink_unicast+0x449/0x710 [10102.359824][ T73] netlink_sendmsg+0x723/0xbe0 [10102.359824][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.359824][ T73] ___sys_sendmsg+0xee/0x170 [10102.359824][ T73] __sys_sendmsg+0xcd/0x170 [10102.359824][ T73] do_syscall_64+0xc6/0x1e0 [10102.359824][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.359824][ T73] [10102.361840][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10102.361840][ T73] netdev_get_by_index+0x5e/0x80 [10102.361840][ T73] fib6_nh_init+0x3d8/0x1580 [10102.361840][ T73] ip6_route_info_create+0xf18/0x17d0 [10102.361840][ T73] addrconf_f6i_alloc+0x315/0x560 [10102.361840][ T73] ipv6_add_addr+0x411/0x2000 [10102.361840][ T73] inet6_addr_add+0x30e/0xa40 [10102.361840][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10102.361840][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.361840][ T73] netlink_rcv_skb+0x130/0x360 [10102.361840][ T73] netlink_unicast+0x449/0x710 [10102.361840][ T73] netlink_sendmsg+0x723/0xbe0 [10102.361840][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.361840][ T73] ___sys_sendmsg+0xee/0x170 [10102.361840][ T73] __sys_sendmsg+0xcd/0x170 [10102.361840][ T73] do_syscall_64+0xc6/0x1e0 [10102.361840][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.361840][ T73] [10102.363859][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10102.363859][ T73] netdev_get_by_index+0x5e/0x80 [10102.363859][ T73] fib6_nh_init+0x3d8/0x1580 [10102.363859][ T73] ip6_route_info_create+0xf18/0x17d0 [10102.363859][ T73] ip6_route_add+0x1c/0x140 [10102.363859][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10102.363859][ T73] addrconf_add_dev+0xe2/0x170 [10102.363859][ T73] inet6_addr_add+0x12f/0xa40 [10102.363859][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10102.363859][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.363859][ T73] netlink_rcv_skb+0x130/0x360 [10102.363859][ T73] netlink_unicast+0x449/0x710 [10102.363859][ T73] netlink_sendmsg+0x723/0xbe0 [10102.363859][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.363859][ T73] ___sys_sendmsg+0xee/0x170 [10102.363859][ T73] __sys_sendmsg+0xcd/0x170 [10102.363859][ T73] do_syscall_64+0xc6/0x1e0 [10102.363859][ T73] [10102.365839][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10102.365839][ T73] ipv6_add_dev+0x3ba/0x11c0 [10102.365839][ T73] ipv6_find_idev+0x102/0x170 [10102.365839][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10102.365839][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.365839][ T73] netlink_rcv_skb+0x130/0x360 [10102.365839][ T73] netlink_unicast+0x449/0x710 [10102.365839][ T73] netlink_sendmsg+0x723/0xbe0 [10102.365839][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.365839][ T73] ___sys_sendmsg+0xee/0x170 [10102.365839][ T73] __sys_sendmsg+0xcd/0x170 [10102.365839][ T73] do_syscall_64+0xc6/0x1e0 [10102.365839][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.365839][ T73] [10102.367401][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10102.367401][ T73] neigh_parms_alloc+0x1e5/0x510 [10102.367401][ T73] ipv6_add_dev+0x2fe/0x11c0 [10102.367401][ T73] ipv6_find_idev+0x102/0x170 [10102.367401][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10102.367401][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.367401][ T73] netlink_rcv_skb+0x130/0x360 [10102.367401][ T73] netlink_unicast+0x449/0x710 [10102.367401][ T73] netlink_sendmsg+0x723/0xbe0 [10102.367401][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.367401][ T73] ___sys_sendmsg+0xee/0x170 [10102.367401][ T73] __sys_sendmsg+0xcd/0x170 [10102.367401][ T73] do_syscall_64+0xc6/0x1e0 [10102.367401][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.367401][ T73] [10102.369114][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10102.369370][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10102.369370][ T73] dst_init+0x84/0x4a0 [10102.369370][ T73] dst_alloc+0x97/0x150 [10102.369370][ T73] ip6_dst_alloc+0x23/0x90 [10102.369370][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10102.369370][ T73] ip6_pol_route+0x56f/0x840 [10102.369370][ T73] fib6_rule_lookup+0x456/0x630 [10102.369370][ T73] ip6_route_input+0x59c/0xa50 [10102.369370][ T73] ipv6_rcv+0x397/0x810 [10102.369370][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10102.369370][ T73] process_backlog+0x101/0x620 [10102.369370][ T73] __napi_poll.constprop.0+0xa2/0x460 [10102.369370][ T73] net_rx_action+0x495/0xbe0 [10102.369370][ T73] __do_softirq+0x1b5/0x7f6 [10102.369370][ T73] [10102.371021][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10102.371021][ T73] netdev_get_by_index+0x5e/0x80 [10102.371021][ T73] fib6_nh_init+0x3d8/0x1580 [10102.371021][ T73] ip6_route_info_create+0xf18/0x17d0 [10102.371021][ T73] ip6_route_add+0x1c/0x140 [10102.371021][ T73] addrconf_prefix_route+0x2a6/0x430 [10102.371021][ T73] inet6_addr_add+0x4f8/0xa40 [10102.371021][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10102.371021][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.371021][ T73] netlink_rcv_skb+0x130/0x360 [10102.371021][ T73] netlink_unicast+0x449/0x710 [10102.371021][ T73] netlink_sendmsg+0x723/0xbe0 [10102.371021][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.371021][ T73] ___sys_sendmsg+0xee/0x170 [10102.371021][ T73] __sys_sendmsg+0xcd/0x170 [10102.371021][ T73] do_syscall_64+0xc6/0x1e0 [10102.371021][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.371021][ T73] [10102.373050][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10102.373050][ T73] netdev_get_by_index+0x5e/0x80 [10102.373050][ T73] fib6_nh_init+0x3d8/0x1580 [10102.373050][ T73] ip6_route_info_create+0xf18/0x17d0 [10102.373050][ T73] addrconf_f6i_alloc+0x315/0x560 [10102.373050][ T73] ipv6_add_addr+0x411/0x2000 [10102.373050][ T73] inet6_addr_add+0x30e/0xa40 [10102.373050][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10102.373050][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.373050][ T73] netlink_rcv_skb+0x130/0x360 [10102.373050][ T73] netlink_unicast+0x449/0x710 [10102.373050][ T73] netlink_sendmsg+0x723/0xbe0 [10102.373050][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.373050][ T73] ___sys_sendmsg+0xee/0x170 [10102.373050][ T73] __sys_sendmsg+0xcd/0x170 [10102.373050][ T73] do_syscall_64+0xc6/0x1e0 [10102.373050][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.373050][ T73] [10102.375063][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10102.375063][ T73] netdev_get_by_index+0x5e/0x80 [10102.375063][ T73] fib6_nh_init+0x3d8/0x1580 [10102.375063][ T73] ip6_route_info_create+0xf18/0x17d0 [10102.375063][ T73] ip6_route_add+0x1c/0x140 [10102.375063][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10102.375063][ T73] addrconf_add_dev+0xe2/0x170 [10102.375063][ T73] inet6_addr_add+0x12f/0xa40 [10102.375063][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10102.375063][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.375063][ T73] netlink_rcv_skb+0x130/0x360 [10102.375063][ T73] netlink_unicast+0x449/0x710 [10102.375063][ T73] netlink_sendmsg+0x723/0xbe0 [10102.375063][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.375063][ T73] ___sys_sendmsg+0xee/0x170 [10102.375063][ T73] __sys_sendmsg+0xcd/0x170 [10102.375063][ T73] do_syscall_64+0xc6/0x1e0 [10102.375063][ T73] [10102.377058][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10102.377058][ T73] ipv6_add_dev+0x3ba/0x11c0 [10102.377058][ T73] ipv6_find_idev+0x102/0x170 [10102.377058][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10102.377058][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.377058][ T73] netlink_rcv_skb+0x130/0x360 [10102.377058][ T73] netlink_unicast+0x449/0x710 [10102.377058][ T73] netlink_sendmsg+0x723/0xbe0 [10102.377058][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.377058][ T73] ___sys_sendmsg+0xee/0x170 [10102.377058][ T73] __sys_sendmsg+0xcd/0x170 [10102.377058][ T73] do_syscall_64+0xc6/0x1e0 [10102.377058][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.377058][ T73] [10102.378606][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10102.378606][ T73] neigh_parms_alloc+0x1e5/0x510 [10102.378606][ T73] ipv6_add_dev+0x2fe/0x11c0 [10102.378606][ T73] ipv6_find_idev+0x102/0x170 [10102.378606][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10102.378606][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10102.378606][ T73] netlink_rcv_skb+0x130/0x360 [10102.378606][ T73] netlink_unicast+0x449/0x710 [10102.378606][ T73] netlink_sendmsg+0x723/0xbe0 [10102.378606][ T73] ____sys_sendmsg+0x7b2/0xa10 [10102.378606][ T73] ___sys_sendmsg+0xee/0x170 [10102.378606][ T73] __sys_sendmsg+0xcd/0x170 [10102.378606][ T73] do_syscall_64+0xc6/0x1e0 [10102.378606][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10102.378606][ T73] [10106.269708][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10106.270199][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10106.270199][ T1076] netdev_get_by_index+0x5e/0x80 [10106.270199][ T1076] fib6_nh_init+0x3d8/0x1580 [10106.270199][ T1076] ip6_route_info_create+0xf18/0x17d0 [10106.270199][ T1076] addrconf_f6i_alloc+0x315/0x560 [10106.270199][ T1076] ipv6_add_addr+0x411/0x2000 [10106.270199][ T1076] inet6_addr_add+0x30e/0xa40 [10106.270199][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10106.270199][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10106.270199][ T1076] netlink_rcv_skb+0x130/0x360 [10106.270199][ T1076] netlink_unicast+0x449/0x710 [10106.270199][ T1076] netlink_sendmsg+0x723/0xbe0 [10106.270199][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10106.270199][ T1076] ___sys_sendmsg+0xee/0x170 [10106.270199][ T1076] __sys_sendmsg+0xcd/0x170 [10106.270199][ T1076] do_syscall_64+0xc6/0x1e0 [10106.270199][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10106.270199][ T1076] [10106.272487][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10106.272487][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10106.272487][ T1076] ipv6_find_idev+0x102/0x170 [10106.272487][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10106.272487][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10106.272487][ T1076] netlink_rcv_skb+0x130/0x360 [10106.272487][ T1076] netlink_unicast+0x449/0x710 [10106.272487][ T1076] netlink_sendmsg+0x723/0xbe0 [10106.272487][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10106.272487][ T1076] ___sys_sendmsg+0xee/0x170 [10106.272487][ T1076] __sys_sendmsg+0xcd/0x170 [10106.272487][ T1076] do_syscall_64+0xc6/0x1e0 [10106.272487][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10106.272487][ T1076] [10106.274245][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10106.274245][ T1076] neigh_parms_alloc+0x1e5/0x510 [10106.274245][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10106.274245][ T1076] ipv6_find_idev+0x102/0x170 [10106.274245][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10106.274245][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10106.274245][ T1076] netlink_rcv_skb+0x130/0x360 [10106.274245][ T1076] netlink_unicast+0x449/0x710 [10106.274245][ T1076] netlink_sendmsg+0x723/0xbe0 [10106.274245][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10106.274245][ T1076] ___sys_sendmsg+0xee/0x170 [10106.274245][ T1076] __sys_sendmsg+0xcd/0x170 [10106.274245][ T1076] do_syscall_64+0xc6/0x1e0 [10106.274245][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10106.274245][ T1076] [10112.621707][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10112.622134][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10112.622134][ T73] dst_init+0x84/0x4a0 [10112.622134][ T73] dst_alloc+0x97/0x150 [10112.622134][ T73] ip6_dst_alloc+0x23/0x90 [10112.622134][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10112.622134][ T73] ip6_pol_route+0x56f/0x840 [10112.622134][ T73] fib6_rule_lookup+0x456/0x630 [10112.622134][ T73] ip6_route_input+0x59c/0xa50 [10112.622134][ T73] ipv6_rcv+0x397/0x810 [10112.622134][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10112.622134][ T73] process_backlog+0x101/0x620 [10112.622134][ T73] __napi_poll.constprop.0+0xa2/0x460 [10112.622134][ T73] net_rx_action+0x495/0xbe0 [10112.622134][ T73] __do_softirq+0x1b5/0x7f6 [10112.622134][ T73] [10112.623813][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10112.623813][ T73] netdev_get_by_index+0x5e/0x80 [10112.623813][ T73] fib6_nh_init+0x3d8/0x1580 [10112.623813][ T73] ip6_route_info_create+0xf18/0x17d0 [10112.623813][ T73] ip6_route_add+0x1c/0x140 [10112.623813][ T73] addrconf_prefix_route+0x2a6/0x430 [10112.623813][ T73] inet6_addr_add+0x4f8/0xa40 [10112.623813][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10112.623813][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.623813][ T73] netlink_rcv_skb+0x130/0x360 [10112.623813][ T73] netlink_unicast+0x449/0x710 [10112.623813][ T73] netlink_sendmsg+0x723/0xbe0 [10112.623813][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.623813][ T73] ___sys_sendmsg+0xee/0x170 [10112.623813][ T73] __sys_sendmsg+0xcd/0x170 [10112.623813][ T73] do_syscall_64+0xc6/0x1e0 [10112.623813][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.623813][ T73] [10112.625838][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10112.625838][ T73] netdev_get_by_index+0x5e/0x80 [10112.625838][ T73] fib6_nh_init+0x3d8/0x1580 [10112.625838][ T73] ip6_route_info_create+0xf18/0x17d0 [10112.625838][ T73] addrconf_f6i_alloc+0x315/0x560 [10112.625838][ T73] ipv6_add_addr+0x411/0x2000 [10112.625838][ T73] inet6_addr_add+0x30e/0xa40 [10112.625838][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10112.625838][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.625838][ T73] netlink_rcv_skb+0x130/0x360 [10112.625838][ T73] netlink_unicast+0x449/0x710 [10112.625838][ T73] netlink_sendmsg+0x723/0xbe0 [10112.625838][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.625838][ T73] ___sys_sendmsg+0xee/0x170 [10112.625838][ T73] __sys_sendmsg+0xcd/0x170 [10112.625838][ T73] do_syscall_64+0xc6/0x1e0 [10112.625838][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.625838][ T73] [10112.627867][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10112.627867][ T73] netdev_get_by_index+0x5e/0x80 [10112.627867][ T73] fib6_nh_init+0x3d8/0x1580 [10112.627867][ T73] ip6_route_info_create+0xf18/0x17d0 [10112.627867][ T73] ip6_route_add+0x1c/0x140 [10112.627867][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10112.627867][ T73] addrconf_add_dev+0xe2/0x170 [10112.627867][ T73] inet6_addr_add+0x12f/0xa40 [10112.627867][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10112.627867][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.627867][ T73] netlink_rcv_skb+0x130/0x360 [10112.627867][ T73] netlink_unicast+0x449/0x710 [10112.627867][ T73] netlink_sendmsg+0x723/0xbe0 [10112.627867][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.627867][ T73] ___sys_sendmsg+0xee/0x170 [10112.627867][ T73] __sys_sendmsg+0xcd/0x170 [10112.627867][ T73] do_syscall_64+0xc6/0x1e0 [10112.627867][ T73] [10112.629837][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10112.629837][ T73] ipv6_add_dev+0x3ba/0x11c0 [10112.629837][ T73] ipv6_find_idev+0x102/0x170 [10112.629837][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10112.629837][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.629837][ T73] netlink_rcv_skb+0x130/0x360 [10112.629837][ T73] netlink_unicast+0x449/0x710 [10112.629837][ T73] netlink_sendmsg+0x723/0xbe0 [10112.629837][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.629837][ T73] ___sys_sendmsg+0xee/0x170 [10112.629837][ T73] __sys_sendmsg+0xcd/0x170 [10112.629837][ T73] do_syscall_64+0xc6/0x1e0 [10112.629837][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.629837][ T73] [10112.631386][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10112.631386][ T73] neigh_parms_alloc+0x1e5/0x510 [10112.631386][ T73] ipv6_add_dev+0x2fe/0x11c0 [10112.631386][ T73] ipv6_find_idev+0x102/0x170 [10112.631386][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10112.631386][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.631386][ T73] netlink_rcv_skb+0x130/0x360 [10112.631386][ T73] netlink_unicast+0x449/0x710 [10112.631386][ T73] netlink_sendmsg+0x723/0xbe0 [10112.631386][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.631386][ T73] ___sys_sendmsg+0xee/0x170 [10112.631386][ T73] __sys_sendmsg+0xcd/0x170 [10112.631386][ T73] do_syscall_64+0xc6/0x1e0 [10112.631386][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.631386][ T73] [10112.633109][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10112.633355][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10112.633355][ T73] dst_init+0x84/0x4a0 [10112.633355][ T73] dst_alloc+0x97/0x150 [10112.633355][ T73] ip6_dst_alloc+0x23/0x90 [10112.633355][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10112.633355][ T73] ip6_pol_route+0x56f/0x840 [10112.633355][ T73] fib6_rule_lookup+0x456/0x630 [10112.633355][ T73] ip6_route_input+0x59c/0xa50 [10112.633355][ T73] ipv6_rcv+0x397/0x810 [10112.633355][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10112.633355][ T73] process_backlog+0x101/0x620 [10112.633355][ T73] __napi_poll.constprop.0+0xa2/0x460 [10112.633355][ T73] net_rx_action+0x495/0xbe0 [10112.633355][ T73] __do_softirq+0x1b5/0x7f6 [10112.633355][ T73] [10112.635004][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10112.635004][ T73] netdev_get_by_index+0x5e/0x80 [10112.635004][ T73] fib6_nh_init+0x3d8/0x1580 [10112.635004][ T73] ip6_route_info_create+0xf18/0x17d0 [10112.635004][ T73] ip6_route_add+0x1c/0x140 [10112.635004][ T73] addrconf_prefix_route+0x2a6/0x430 [10112.635004][ T73] inet6_addr_add+0x4f8/0xa40 [10112.635004][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10112.635004][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.635004][ T73] netlink_rcv_skb+0x130/0x360 [10112.635004][ T73] netlink_unicast+0x449/0x710 [10112.635004][ T73] netlink_sendmsg+0x723/0xbe0 [10112.635004][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.635004][ T73] ___sys_sendmsg+0xee/0x170 [10112.635004][ T73] __sys_sendmsg+0xcd/0x170 [10112.635004][ T73] do_syscall_64+0xc6/0x1e0 [10112.635004][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.635004][ T73] [10112.637015][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10112.637015][ T73] netdev_get_by_index+0x5e/0x80 [10112.637015][ T73] fib6_nh_init+0x3d8/0x1580 [10112.637015][ T73] ip6_route_info_create+0xf18/0x17d0 [10112.637015][ T73] addrconf_f6i_alloc+0x315/0x560 [10112.637015][ T73] ipv6_add_addr+0x411/0x2000 [10112.637015][ T73] inet6_addr_add+0x30e/0xa40 [10112.637015][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10112.637015][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.637015][ T73] netlink_rcv_skb+0x130/0x360 [10112.637015][ T73] netlink_unicast+0x449/0x710 [10112.637015][ T73] netlink_sendmsg+0x723/0xbe0 [10112.637015][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.637015][ T73] ___sys_sendmsg+0xee/0x170 [10112.637015][ T73] __sys_sendmsg+0xcd/0x170 [10112.637015][ T73] do_syscall_64+0xc6/0x1e0 [10112.637015][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.637015][ T73] [10112.639037][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10112.639037][ T73] netdev_get_by_index+0x5e/0x80 [10112.639037][ T73] fib6_nh_init+0x3d8/0x1580 [10112.639037][ T73] ip6_route_info_create+0xf18/0x17d0 [10112.639037][ T73] ip6_route_add+0x1c/0x140 [10112.639037][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10112.639037][ T73] addrconf_add_dev+0xe2/0x170 [10112.639037][ T73] inet6_addr_add+0x12f/0xa40 [10112.639037][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10112.639037][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.639037][ T73] netlink_rcv_skb+0x130/0x360 [10112.639037][ T73] netlink_unicast+0x449/0x710 [10112.639037][ T73] netlink_sendmsg+0x723/0xbe0 [10112.639037][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.639037][ T73] ___sys_sendmsg+0xee/0x170 [10112.639037][ T73] __sys_sendmsg+0xcd/0x170 [10112.639037][ T73] do_syscall_64+0xc6/0x1e0 [10112.639037][ T73] [10112.641014][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10112.641014][ T73] ipv6_add_dev+0x3ba/0x11c0 [10112.641014][ T73] ipv6_find_idev+0x102/0x170 [10112.641014][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10112.641014][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.641014][ T73] netlink_rcv_skb+0x130/0x360 [10112.641014][ T73] netlink_unicast+0x449/0x710 [10112.641014][ T73] netlink_sendmsg+0x723/0xbe0 [10112.641014][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.641014][ T73] ___sys_sendmsg+0xee/0x170 [10112.641014][ T73] __sys_sendmsg+0xcd/0x170 [10112.641014][ T73] do_syscall_64+0xc6/0x1e0 [10112.641014][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.641014][ T73] [10112.642563][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10112.642563][ T73] neigh_parms_alloc+0x1e5/0x510 [10112.642563][ T73] ipv6_add_dev+0x2fe/0x11c0 [10112.642563][ T73] ipv6_find_idev+0x102/0x170 [10112.642563][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10112.642563][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10112.642563][ T73] netlink_rcv_skb+0x130/0x360 [10112.642563][ T73] netlink_unicast+0x449/0x710 [10112.642563][ T73] netlink_sendmsg+0x723/0xbe0 [10112.642563][ T73] ____sys_sendmsg+0x7b2/0xa10 [10112.642563][ T73] ___sys_sendmsg+0xee/0x170 [10112.642563][ T73] __sys_sendmsg+0xcd/0x170 [10112.642563][ T73] do_syscall_64+0xc6/0x1e0 [10112.642563][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10112.642563][ T73] [10116.517723][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10116.518231][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10116.518231][ T1076] netdev_get_by_index+0x5e/0x80 [10116.518231][ T1076] fib6_nh_init+0x3d8/0x1580 [10116.518231][ T1076] ip6_route_info_create+0xf18/0x17d0 [10116.518231][ T1076] addrconf_f6i_alloc+0x315/0x560 [10116.518231][ T1076] ipv6_add_addr+0x411/0x2000 [10116.518231][ T1076] inet6_addr_add+0x30e/0xa40 [10116.518231][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10116.518231][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10116.518231][ T1076] netlink_rcv_skb+0x130/0x360 [10116.518231][ T1076] netlink_unicast+0x449/0x710 [10116.518231][ T1076] netlink_sendmsg+0x723/0xbe0 [10116.518231][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10116.518231][ T1076] ___sys_sendmsg+0xee/0x170 [10116.518231][ T1076] __sys_sendmsg+0xcd/0x170 [10116.518231][ T1076] do_syscall_64+0xc6/0x1e0 [10116.518231][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10116.518231][ T1076] [10116.520513][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10116.520513][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10116.520513][ T1076] ipv6_find_idev+0x102/0x170 [10116.520513][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10116.520513][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10116.520513][ T1076] netlink_rcv_skb+0x130/0x360 [10116.520513][ T1076] netlink_unicast+0x449/0x710 [10116.520513][ T1076] netlink_sendmsg+0x723/0xbe0 [10116.520513][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10116.520513][ T1076] ___sys_sendmsg+0xee/0x170 [10116.520513][ T1076] __sys_sendmsg+0xcd/0x170 [10116.520513][ T1076] do_syscall_64+0xc6/0x1e0 [10116.520513][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10116.520513][ T1076] [10116.522264][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10116.522264][ T1076] neigh_parms_alloc+0x1e5/0x510 [10116.522264][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10116.522264][ T1076] ipv6_find_idev+0x102/0x170 [10116.522264][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10116.522264][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10116.522264][ T1076] netlink_rcv_skb+0x130/0x360 [10116.522264][ T1076] netlink_unicast+0x449/0x710 [10116.522264][ T1076] netlink_sendmsg+0x723/0xbe0 [10116.522264][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10116.522264][ T1076] ___sys_sendmsg+0xee/0x170 [10116.522264][ T1076] __sys_sendmsg+0xcd/0x170 [10116.522264][ T1076] do_syscall_64+0xc6/0x1e0 [10116.522264][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10116.522264][ T1076] [10122.885720][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10122.886153][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10122.886153][ T73] dst_init+0x84/0x4a0 [10122.886153][ T73] dst_alloc+0x97/0x150 [10122.886153][ T73] ip6_dst_alloc+0x23/0x90 [10122.886153][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10122.886153][ T73] ip6_pol_route+0x56f/0x840 [10122.886153][ T73] fib6_rule_lookup+0x456/0x630 [10122.886153][ T73] ip6_route_input+0x59c/0xa50 [10122.886153][ T73] ipv6_rcv+0x397/0x810 [10122.886153][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10122.886153][ T73] process_backlog+0x101/0x620 [10122.886153][ T73] __napi_poll.constprop.0+0xa2/0x460 [10122.886153][ T73] net_rx_action+0x495/0xbe0 [10122.886153][ T73] __do_softirq+0x1b5/0x7f6 [10122.886153][ T73] [10122.887850][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10122.887850][ T73] netdev_get_by_index+0x5e/0x80 [10122.887850][ T73] fib6_nh_init+0x3d8/0x1580 [10122.887850][ T73] ip6_route_info_create+0xf18/0x17d0 [10122.887850][ T73] ip6_route_add+0x1c/0x140 [10122.887850][ T73] addrconf_prefix_route+0x2a6/0x430 [10122.887850][ T73] inet6_addr_add+0x4f8/0xa40 [10122.887850][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10122.887850][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.887850][ T73] netlink_rcv_skb+0x130/0x360 [10122.887850][ T73] netlink_unicast+0x449/0x710 [10122.887850][ T73] netlink_sendmsg+0x723/0xbe0 [10122.887850][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.887850][ T73] ___sys_sendmsg+0xee/0x170 [10122.887850][ T73] __sys_sendmsg+0xcd/0x170 [10122.887850][ T73] do_syscall_64+0xc6/0x1e0 [10122.887850][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.887850][ T73] [10122.889873][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10122.889873][ T73] netdev_get_by_index+0x5e/0x80 [10122.889873][ T73] fib6_nh_init+0x3d8/0x1580 [10122.889873][ T73] ip6_route_info_create+0xf18/0x17d0 [10122.889873][ T73] addrconf_f6i_alloc+0x315/0x560 [10122.889873][ T73] ipv6_add_addr+0x411/0x2000 [10122.889873][ T73] inet6_addr_add+0x30e/0xa40 [10122.889873][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10122.889873][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.889873][ T73] netlink_rcv_skb+0x130/0x360 [10122.889873][ T73] netlink_unicast+0x449/0x710 [10122.889873][ T73] netlink_sendmsg+0x723/0xbe0 [10122.889873][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.889873][ T73] ___sys_sendmsg+0xee/0x170 [10122.889873][ T73] __sys_sendmsg+0xcd/0x170 [10122.889873][ T73] do_syscall_64+0xc6/0x1e0 [10122.889873][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.889873][ T73] [10122.891887][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10122.891887][ T73] netdev_get_by_index+0x5e/0x80 [10122.891887][ T73] fib6_nh_init+0x3d8/0x1580 [10122.891887][ T73] ip6_route_info_create+0xf18/0x17d0 [10122.891887][ T73] ip6_route_add+0x1c/0x140 [10122.891887][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10122.891887][ T73] addrconf_add_dev+0xe2/0x170 [10122.891887][ T73] inet6_addr_add+0x12f/0xa40 [10122.891887][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10122.891887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.891887][ T73] netlink_rcv_skb+0x130/0x360 [10122.891887][ T73] netlink_unicast+0x449/0x710 [10122.891887][ T73] netlink_sendmsg+0x723/0xbe0 [10122.891887][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.891887][ T73] ___sys_sendmsg+0xee/0x170 [10122.891887][ T73] __sys_sendmsg+0xcd/0x170 [10122.891887][ T73] do_syscall_64+0xc6/0x1e0 [10122.891887][ T73] [10122.893887][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10122.893887][ T73] ipv6_add_dev+0x3ba/0x11c0 [10122.893887][ T73] ipv6_find_idev+0x102/0x170 [10122.893887][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10122.893887][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.893887][ T73] netlink_rcv_skb+0x130/0x360 [10122.893887][ T73] netlink_unicast+0x449/0x710 [10122.893887][ T73] netlink_sendmsg+0x723/0xbe0 [10122.893887][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.893887][ T73] ___sys_sendmsg+0xee/0x170 [10122.893887][ T73] __sys_sendmsg+0xcd/0x170 [10122.893887][ T73] do_syscall_64+0xc6/0x1e0 [10122.893887][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.893887][ T73] [10122.895557][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10122.895557][ T73] neigh_parms_alloc+0x1e5/0x510 [10122.895557][ T73] ipv6_add_dev+0x2fe/0x11c0 [10122.895557][ T73] ipv6_find_idev+0x102/0x170 [10122.895557][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10122.895557][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.895557][ T73] netlink_rcv_skb+0x130/0x360 [10122.895557][ T73] netlink_unicast+0x449/0x710 [10122.895557][ T73] netlink_sendmsg+0x723/0xbe0 [10122.895557][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.895557][ T73] ___sys_sendmsg+0xee/0x170 [10122.895557][ T73] __sys_sendmsg+0xcd/0x170 [10122.895557][ T73] do_syscall_64+0xc6/0x1e0 [10122.895557][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.895557][ T73] [10122.897280][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10122.897523][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10122.897523][ T73] dst_init+0x84/0x4a0 [10122.897523][ T73] dst_alloc+0x97/0x150 [10122.897523][ T73] ip6_dst_alloc+0x23/0x90 [10122.897523][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10122.897523][ T73] ip6_pol_route+0x56f/0x840 [10122.897523][ T73] fib6_rule_lookup+0x456/0x630 [10122.897523][ T73] ip6_route_input+0x59c/0xa50 [10122.897523][ T73] ipv6_rcv+0x397/0x810 [10122.897523][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10122.897523][ T73] process_backlog+0x101/0x620 [10122.897523][ T73] __napi_poll.constprop.0+0xa2/0x460 [10122.897523][ T73] net_rx_action+0x495/0xbe0 [10122.897523][ T73] __do_softirq+0x1b5/0x7f6 [10122.897523][ T73] [10122.899181][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10122.899181][ T73] netdev_get_by_index+0x5e/0x80 [10122.899181][ T73] fib6_nh_init+0x3d8/0x1580 [10122.899181][ T73] ip6_route_info_create+0xf18/0x17d0 [10122.899181][ T73] ip6_route_add+0x1c/0x140 [10122.899181][ T73] addrconf_prefix_route+0x2a6/0x430 [10122.899181][ T73] inet6_addr_add+0x4f8/0xa40 [10122.899181][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10122.899181][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.899181][ T73] netlink_rcv_skb+0x130/0x360 [10122.899181][ T73] netlink_unicast+0x449/0x710 [10122.899181][ T73] netlink_sendmsg+0x723/0xbe0 [10122.899181][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.899181][ T73] ___sys_sendmsg+0xee/0x170 [10122.899181][ T73] __sys_sendmsg+0xcd/0x170 [10122.899181][ T73] do_syscall_64+0xc6/0x1e0 [10122.899181][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.899181][ T73] [10122.901188][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10122.901188][ T73] netdev_get_by_index+0x5e/0x80 [10122.901188][ T73] fib6_nh_init+0x3d8/0x1580 [10122.901188][ T73] ip6_route_info_create+0xf18/0x17d0 [10122.901188][ T73] addrconf_f6i_alloc+0x315/0x560 [10122.901188][ T73] ipv6_add_addr+0x411/0x2000 [10122.901188][ T73] inet6_addr_add+0x30e/0xa40 [10122.901188][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10122.901188][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.901188][ T73] netlink_rcv_skb+0x130/0x360 [10122.901188][ T73] netlink_unicast+0x449/0x710 [10122.901188][ T73] netlink_sendmsg+0x723/0xbe0 [10122.901188][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.901188][ T73] ___sys_sendmsg+0xee/0x170 [10122.901188][ T73] __sys_sendmsg+0xcd/0x170 [10122.901188][ T73] do_syscall_64+0xc6/0x1e0 [10122.901188][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.901188][ T73] [10122.903198][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10122.903198][ T73] netdev_get_by_index+0x5e/0x80 [10122.903198][ T73] fib6_nh_init+0x3d8/0x1580 [10122.903198][ T73] ip6_route_info_create+0xf18/0x17d0 [10122.903198][ T73] ip6_route_add+0x1c/0x140 [10122.903198][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10122.903198][ T73] addrconf_add_dev+0xe2/0x170 [10122.903198][ T73] inet6_addr_add+0x12f/0xa40 [10122.903198][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10122.903198][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.903198][ T73] netlink_rcv_skb+0x130/0x360 [10122.903198][ T73] netlink_unicast+0x449/0x710 [10122.903198][ T73] netlink_sendmsg+0x723/0xbe0 [10122.903198][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.903198][ T73] ___sys_sendmsg+0xee/0x170 [10122.903198][ T73] __sys_sendmsg+0xcd/0x170 [10122.903198][ T73] do_syscall_64+0xc6/0x1e0 [10122.903198][ T73] [10122.905172][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10122.905172][ T73] ipv6_add_dev+0x3ba/0x11c0 [10122.905172][ T73] ipv6_find_idev+0x102/0x170 [10122.905172][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10122.905172][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.905172][ T73] netlink_rcv_skb+0x130/0x360 [10122.905172][ T73] netlink_unicast+0x449/0x710 [10122.905172][ T73] netlink_sendmsg+0x723/0xbe0 [10122.905172][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.905172][ T73] ___sys_sendmsg+0xee/0x170 [10122.905172][ T73] __sys_sendmsg+0xcd/0x170 [10122.905172][ T73] do_syscall_64+0xc6/0x1e0 [10122.905172][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.905172][ T73] [10122.906727][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10122.906727][ T73] neigh_parms_alloc+0x1e5/0x510 [10122.906727][ T73] ipv6_add_dev+0x2fe/0x11c0 [10122.906727][ T73] ipv6_find_idev+0x102/0x170 [10122.906727][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10122.906727][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10122.906727][ T73] netlink_rcv_skb+0x130/0x360 [10122.906727][ T73] netlink_unicast+0x449/0x710 [10122.906727][ T73] netlink_sendmsg+0x723/0xbe0 [10122.906727][ T73] ____sys_sendmsg+0x7b2/0xa10 [10122.906727][ T73] ___sys_sendmsg+0xee/0x170 [10122.906727][ T73] __sys_sendmsg+0xcd/0x170 [10122.906727][ T73] do_syscall_64+0xc6/0x1e0 [10122.906727][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10122.906727][ T73] [10126.597716][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10126.598218][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10126.598218][ T1076] netdev_get_by_index+0x5e/0x80 [10126.598218][ T1076] fib6_nh_init+0x3d8/0x1580 [10126.598218][ T1076] ip6_route_info_create+0xf18/0x17d0 [10126.598218][ T1076] addrconf_f6i_alloc+0x315/0x560 [10126.598218][ T1076] ipv6_add_addr+0x411/0x2000 [10126.598218][ T1076] inet6_addr_add+0x30e/0xa40 [10126.598218][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10126.598218][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10126.598218][ T1076] netlink_rcv_skb+0x130/0x360 [10126.598218][ T1076] netlink_unicast+0x449/0x710 [10126.598218][ T1076] netlink_sendmsg+0x723/0xbe0 [10126.598218][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10126.598218][ T1076] ___sys_sendmsg+0xee/0x170 [10126.598218][ T1076] __sys_sendmsg+0xcd/0x170 [10126.598218][ T1076] do_syscall_64+0xc6/0x1e0 [10126.598218][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10126.598218][ T1076] [10126.600503][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10126.600503][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10126.600503][ T1076] ipv6_find_idev+0x102/0x170 [10126.600503][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10126.600503][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10126.600503][ T1076] netlink_rcv_skb+0x130/0x360 [10126.600503][ T1076] netlink_unicast+0x449/0x710 [10126.600503][ T1076] netlink_sendmsg+0x723/0xbe0 [10126.600503][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10126.600503][ T1076] ___sys_sendmsg+0xee/0x170 [10126.600503][ T1076] __sys_sendmsg+0xcd/0x170 [10126.600503][ T1076] do_syscall_64+0xc6/0x1e0 [10126.600503][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10126.600503][ T1076] [10126.602260][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10126.602260][ T1076] neigh_parms_alloc+0x1e5/0x510 [10126.602260][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10126.602260][ T1076] ipv6_find_idev+0x102/0x170 [10126.602260][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10126.602260][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10126.602260][ T1076] netlink_rcv_skb+0x130/0x360 [10126.602260][ T1076] netlink_unicast+0x449/0x710 [10126.602260][ T1076] netlink_sendmsg+0x723/0xbe0 [10126.602260][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10126.602260][ T1076] ___sys_sendmsg+0xee/0x170 [10126.602260][ T1076] __sys_sendmsg+0xcd/0x170 [10126.602260][ T1076] do_syscall_64+0xc6/0x1e0 [10126.602260][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10126.602260][ T1076] [10132.917797][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10132.918224][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10132.918224][ T73] dst_init+0x84/0x4a0 [10132.918224][ T73] dst_alloc+0x97/0x150 [10132.918224][ T73] ip6_dst_alloc+0x23/0x90 [10132.918224][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10132.918224][ T73] ip6_pol_route+0x56f/0x840 [10132.918224][ T73] fib6_rule_lookup+0x456/0x630 [10132.918224][ T73] ip6_route_input+0x59c/0xa50 [10132.918224][ T73] ipv6_rcv+0x397/0x810 [10132.918224][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10132.918224][ T73] process_backlog+0x101/0x620 [10132.918224][ T73] __napi_poll.constprop.0+0xa2/0x460 [10132.918224][ T73] net_rx_action+0x495/0xbe0 [10132.918224][ T73] __do_softirq+0x1b5/0x7f6 [10132.918224][ T73] [10132.919909][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10132.919909][ T73] netdev_get_by_index+0x5e/0x80 [10132.919909][ T73] fib6_nh_init+0x3d8/0x1580 [10132.919909][ T73] ip6_route_info_create+0xf18/0x17d0 [10132.919909][ T73] ip6_route_add+0x1c/0x140 [10132.919909][ T73] addrconf_prefix_route+0x2a6/0x430 [10132.919909][ T73] inet6_addr_add+0x4f8/0xa40 [10132.919909][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10132.919909][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.919909][ T73] netlink_rcv_skb+0x130/0x360 [10132.919909][ T73] netlink_unicast+0x449/0x710 [10132.919909][ T73] netlink_sendmsg+0x723/0xbe0 [10132.919909][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.919909][ T73] ___sys_sendmsg+0xee/0x170 [10132.919909][ T73] __sys_sendmsg+0xcd/0x170 [10132.919909][ T73] do_syscall_64+0xc6/0x1e0 [10132.919909][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.919909][ T73] [10132.921946][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10132.921946][ T73] netdev_get_by_index+0x5e/0x80 [10132.921946][ T73] fib6_nh_init+0x3d8/0x1580 [10132.921946][ T73] ip6_route_info_create+0xf18/0x17d0 [10132.921946][ T73] addrconf_f6i_alloc+0x315/0x560 [10132.921946][ T73] ipv6_add_addr+0x411/0x2000 [10132.921946][ T73] inet6_addr_add+0x30e/0xa40 [10132.921946][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10132.921946][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.921946][ T73] netlink_rcv_skb+0x130/0x360 [10132.921946][ T73] netlink_unicast+0x449/0x710 [10132.921946][ T73] netlink_sendmsg+0x723/0xbe0 [10132.921946][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.921946][ T73] ___sys_sendmsg+0xee/0x170 [10132.921946][ T73] __sys_sendmsg+0xcd/0x170 [10132.921946][ T73] do_syscall_64+0xc6/0x1e0 [10132.921946][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.921946][ T73] [10132.923964][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10132.923964][ T73] netdev_get_by_index+0x5e/0x80 [10132.923964][ T73] fib6_nh_init+0x3d8/0x1580 [10132.923964][ T73] ip6_route_info_create+0xf18/0x17d0 [10132.923964][ T73] ip6_route_add+0x1c/0x140 [10132.923964][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10132.923964][ T73] addrconf_add_dev+0xe2/0x170 [10132.923964][ T73] inet6_addr_add+0x12f/0xa40 [10132.923964][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10132.923964][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.923964][ T73] netlink_rcv_skb+0x130/0x360 [10132.923964][ T73] netlink_unicast+0x449/0x710 [10132.923964][ T73] netlink_sendmsg+0x723/0xbe0 [10132.923964][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.923964][ T73] ___sys_sendmsg+0xee/0x170 [10132.923964][ T73] __sys_sendmsg+0xcd/0x170 [10132.923964][ T73] do_syscall_64+0xc6/0x1e0 [10132.923964][ T73] [10132.925940][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10132.925940][ T73] ipv6_add_dev+0x3ba/0x11c0 [10132.925940][ T73] ipv6_find_idev+0x102/0x170 [10132.925940][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10132.925940][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.925940][ T73] netlink_rcv_skb+0x130/0x360 [10132.925940][ T73] netlink_unicast+0x449/0x710 [10132.925940][ T73] netlink_sendmsg+0x723/0xbe0 [10132.925940][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.925940][ T73] ___sys_sendmsg+0xee/0x170 [10132.925940][ T73] __sys_sendmsg+0xcd/0x170 [10132.925940][ T73] do_syscall_64+0xc6/0x1e0 [10132.925940][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.925940][ T73] [10132.927505][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10132.927505][ T73] neigh_parms_alloc+0x1e5/0x510 [10132.927505][ T73] ipv6_add_dev+0x2fe/0x11c0 [10132.927505][ T73] ipv6_find_idev+0x102/0x170 [10132.927505][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10132.927505][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.927505][ T73] netlink_rcv_skb+0x130/0x360 [10132.927505][ T73] netlink_unicast+0x449/0x710 [10132.927505][ T73] netlink_sendmsg+0x723/0xbe0 [10132.927505][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.927505][ T73] ___sys_sendmsg+0xee/0x170 [10132.927505][ T73] __sys_sendmsg+0xcd/0x170 [10132.927505][ T73] do_syscall_64+0xc6/0x1e0 [10132.927505][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.927505][ T73] [10132.929231][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10132.929474][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10132.929474][ T73] dst_init+0x84/0x4a0 [10132.929474][ T73] dst_alloc+0x97/0x150 [10132.929474][ T73] ip6_dst_alloc+0x23/0x90 [10132.929474][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10132.929474][ T73] ip6_pol_route+0x56f/0x840 [10132.929474][ T73] fib6_rule_lookup+0x456/0x630 [10132.929474][ T73] ip6_route_input+0x59c/0xa50 [10132.929474][ T73] ipv6_rcv+0x397/0x810 [10132.929474][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10132.929474][ T73] process_backlog+0x101/0x620 [10132.929474][ T73] __napi_poll.constprop.0+0xa2/0x460 [10132.929474][ T73] net_rx_action+0x495/0xbe0 [10132.929474][ T73] __do_softirq+0x1b5/0x7f6 [10132.929474][ T73] [10132.931128][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10132.931128][ T73] netdev_get_by_index+0x5e/0x80 [10132.931128][ T73] fib6_nh_init+0x3d8/0x1580 [10132.931128][ T73] ip6_route_info_create+0xf18/0x17d0 [10132.931128][ T73] ip6_route_add+0x1c/0x140 [10132.931128][ T73] addrconf_prefix_route+0x2a6/0x430 [10132.931128][ T73] inet6_addr_add+0x4f8/0xa40 [10132.931128][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10132.931128][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.931128][ T73] netlink_rcv_skb+0x130/0x360 [10132.931128][ T73] netlink_unicast+0x449/0x710 [10132.931128][ T73] netlink_sendmsg+0x723/0xbe0 [10132.931128][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.931128][ T73] ___sys_sendmsg+0xee/0x170 [10132.931128][ T73] __sys_sendmsg+0xcd/0x170 [10132.931128][ T73] do_syscall_64+0xc6/0x1e0 [10132.931128][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.931128][ T73] [10132.933149][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10132.933149][ T73] netdev_get_by_index+0x5e/0x80 [10132.933149][ T73] fib6_nh_init+0x3d8/0x1580 [10132.933149][ T73] ip6_route_info_create+0xf18/0x17d0 [10132.933149][ T73] addrconf_f6i_alloc+0x315/0x560 [10132.933149][ T73] ipv6_add_addr+0x411/0x2000 [10132.933149][ T73] inet6_addr_add+0x30e/0xa40 [10132.933149][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10132.933149][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.933149][ T73] netlink_rcv_skb+0x130/0x360 [10132.933149][ T73] netlink_unicast+0x449/0x710 [10132.933149][ T73] netlink_sendmsg+0x723/0xbe0 [10132.933149][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.933149][ T73] ___sys_sendmsg+0xee/0x170 [10132.933149][ T73] __sys_sendmsg+0xcd/0x170 [10132.933149][ T73] do_syscall_64+0xc6/0x1e0 [10132.933149][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.933149][ T73] [10132.935254][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10132.935254][ T73] netdev_get_by_index+0x5e/0x80 [10132.935254][ T73] fib6_nh_init+0x3d8/0x1580 [10132.935254][ T73] ip6_route_info_create+0xf18/0x17d0 [10132.935254][ T73] ip6_route_add+0x1c/0x140 [10132.935254][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10132.935254][ T73] addrconf_add_dev+0xe2/0x170 [10132.935254][ T73] inet6_addr_add+0x12f/0xa40 [10132.935254][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10132.935254][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.935254][ T73] netlink_rcv_skb+0x130/0x360 [10132.935254][ T73] netlink_unicast+0x449/0x710 [10132.935254][ T73] netlink_sendmsg+0x723/0xbe0 [10132.935254][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.935254][ T73] ___sys_sendmsg+0xee/0x170 [10132.935254][ T73] __sys_sendmsg+0xcd/0x170 [10132.935254][ T73] do_syscall_64+0xc6/0x1e0 [10132.935254][ T73] [10132.937237][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10132.937237][ T73] ipv6_add_dev+0x3ba/0x11c0 [10132.937237][ T73] ipv6_find_idev+0x102/0x170 [10132.937237][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10132.937237][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.937237][ T73] netlink_rcv_skb+0x130/0x360 [10132.937237][ T73] netlink_unicast+0x449/0x710 [10132.937237][ T73] netlink_sendmsg+0x723/0xbe0 [10132.937237][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.937237][ T73] ___sys_sendmsg+0xee/0x170 [10132.937237][ T73] __sys_sendmsg+0xcd/0x170 [10132.937237][ T73] do_syscall_64+0xc6/0x1e0 [10132.937237][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.937237][ T73] [10132.938782][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10132.938782][ T73] neigh_parms_alloc+0x1e5/0x510 [10132.938782][ T73] ipv6_add_dev+0x2fe/0x11c0 [10132.938782][ T73] ipv6_find_idev+0x102/0x170 [10132.938782][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10132.938782][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10132.938782][ T73] netlink_rcv_skb+0x130/0x360 [10132.938782][ T73] netlink_unicast+0x449/0x710 [10132.938782][ T73] netlink_sendmsg+0x723/0xbe0 [10132.938782][ T73] ____sys_sendmsg+0x7b2/0xa10 [10132.938782][ T73] ___sys_sendmsg+0xee/0x170 [10132.938782][ T73] __sys_sendmsg+0xcd/0x170 [10132.938782][ T73] do_syscall_64+0xc6/0x1e0 [10132.938782][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10132.938782][ T73] [10136.757703][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10136.758189][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10136.758189][ T1076] netdev_get_by_index+0x5e/0x80 [10136.758189][ T1076] fib6_nh_init+0x3d8/0x1580 [10136.758189][ T1076] ip6_route_info_create+0xf18/0x17d0 [10136.758189][ T1076] addrconf_f6i_alloc+0x315/0x560 [10136.758189][ T1076] ipv6_add_addr+0x411/0x2000 [10136.758189][ T1076] inet6_addr_add+0x30e/0xa40 [10136.758189][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10136.758189][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10136.758189][ T1076] netlink_rcv_skb+0x130/0x360 [10136.758189][ T1076] netlink_unicast+0x449/0x710 [10136.758189][ T1076] netlink_sendmsg+0x723/0xbe0 [10136.758189][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10136.758189][ T1076] ___sys_sendmsg+0xee/0x170 [10136.758189][ T1076] __sys_sendmsg+0xcd/0x170 [10136.758189][ T1076] do_syscall_64+0xc6/0x1e0 [10136.758189][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10136.758189][ T1076] [10136.760464][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10136.760464][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10136.760464][ T1076] ipv6_find_idev+0x102/0x170 [10136.760464][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10136.760464][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10136.760464][ T1076] netlink_rcv_skb+0x130/0x360 [10136.760464][ T1076] netlink_unicast+0x449/0x710 [10136.760464][ T1076] netlink_sendmsg+0x723/0xbe0 [10136.760464][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10136.760464][ T1076] ___sys_sendmsg+0xee/0x170 [10136.760464][ T1076] __sys_sendmsg+0xcd/0x170 [10136.760464][ T1076] do_syscall_64+0xc6/0x1e0 [10136.760464][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10136.760464][ T1076] [10136.762196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10136.762196][ T1076] neigh_parms_alloc+0x1e5/0x510 [10136.762196][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10136.762196][ T1076] ipv6_find_idev+0x102/0x170 [10136.762196][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10136.762196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10136.762196][ T1076] netlink_rcv_skb+0x130/0x360 [10136.762196][ T1076] netlink_unicast+0x449/0x710 [10136.762196][ T1076] netlink_sendmsg+0x723/0xbe0 [10136.762196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10136.762196][ T1076] ___sys_sendmsg+0xee/0x170 [10136.762196][ T1076] __sys_sendmsg+0xcd/0x170 [10136.762196][ T1076] do_syscall_64+0xc6/0x1e0 [10136.762196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10136.762196][ T1076] [10143.181628][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10143.182062][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10143.182062][ T73] dst_init+0x84/0x4a0 [10143.182062][ T73] dst_alloc+0x97/0x150 [10143.182062][ T73] ip6_dst_alloc+0x23/0x90 [10143.182062][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10143.182062][ T73] ip6_pol_route+0x56f/0x840 [10143.182062][ T73] fib6_rule_lookup+0x456/0x630 [10143.182062][ T73] ip6_route_input+0x59c/0xa50 [10143.182062][ T73] ipv6_rcv+0x397/0x810 [10143.182062][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10143.182062][ T73] process_backlog+0x101/0x620 [10143.182062][ T73] __napi_poll.constprop.0+0xa2/0x460 [10143.182062][ T73] net_rx_action+0x495/0xbe0 [10143.182062][ T73] __do_softirq+0x1b5/0x7f6 [10143.182062][ T73] [10143.183748][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10143.183748][ T73] netdev_get_by_index+0x5e/0x80 [10143.183748][ T73] fib6_nh_init+0x3d8/0x1580 [10143.183748][ T73] ip6_route_info_create+0xf18/0x17d0 [10143.183748][ T73] ip6_route_add+0x1c/0x140 [10143.183748][ T73] addrconf_prefix_route+0x2a6/0x430 [10143.183748][ T73] inet6_addr_add+0x4f8/0xa40 [10143.183748][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10143.183748][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.183748][ T73] netlink_rcv_skb+0x130/0x360 [10143.183748][ T73] netlink_unicast+0x449/0x710 [10143.183748][ T73] netlink_sendmsg+0x723/0xbe0 [10143.183748][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.183748][ T73] ___sys_sendmsg+0xee/0x170 [10143.183748][ T73] __sys_sendmsg+0xcd/0x170 [10143.183748][ T73] do_syscall_64+0xc6/0x1e0 [10143.183748][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.183748][ T73] [10143.186290][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10143.186290][ T73] netdev_get_by_index+0x5e/0x80 [10143.186290][ T73] fib6_nh_init+0x3d8/0x1580 [10143.186290][ T73] ip6_route_info_create+0xf18/0x17d0 [10143.186290][ T73] addrconf_f6i_alloc+0x315/0x560 [10143.186290][ T73] ipv6_add_addr+0x411/0x2000 [10143.186290][ T73] inet6_addr_add+0x30e/0xa40 [10143.186290][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10143.186290][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.186290][ T73] netlink_rcv_skb+0x130/0x360 [10143.186290][ T73] netlink_unicast+0x449/0x710 [10143.186290][ T73] netlink_sendmsg+0x723/0xbe0 [10143.186290][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.186290][ T73] ___sys_sendmsg+0xee/0x170 [10143.186290][ T73] __sys_sendmsg+0xcd/0x170 [10143.186290][ T73] do_syscall_64+0xc6/0x1e0 [10143.186290][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.186290][ T73] [10143.188832][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10143.188832][ T73] netdev_get_by_index+0x5e/0x80 [10143.188832][ T73] fib6_nh_init+0x3d8/0x1580 [10143.188832][ T73] ip6_route_info_create+0xf18/0x17d0 [10143.188832][ T73] ip6_route_add+0x1c/0x140 [10143.188832][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10143.188832][ T73] addrconf_add_dev+0xe2/0x170 [10143.188832][ T73] inet6_addr_add+0x12f/0xa40 [10143.188832][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10143.188832][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.188832][ T73] netlink_rcv_skb+0x130/0x360 [10143.188832][ T73] netlink_unicast+0x449/0x710 [10143.188832][ T73] netlink_sendmsg+0x723/0xbe0 [10143.188832][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.188832][ T73] ___sys_sendmsg+0xee/0x170 [10143.188832][ T73] __sys_sendmsg+0xcd/0x170 [10143.188832][ T73] do_syscall_64+0xc6/0x1e0 [10143.188832][ T73] [10143.190828][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10143.190828][ T73] ipv6_add_dev+0x3ba/0x11c0 [10143.190828][ T73] ipv6_find_idev+0x102/0x170 [10143.190828][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10143.190828][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.190828][ T73] netlink_rcv_skb+0x130/0x360 [10143.190828][ T73] netlink_unicast+0x449/0x710 [10143.190828][ T73] netlink_sendmsg+0x723/0xbe0 [10143.190828][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.190828][ T73] ___sys_sendmsg+0xee/0x170 [10143.190828][ T73] __sys_sendmsg+0xcd/0x170 [10143.190828][ T73] do_syscall_64+0xc6/0x1e0 [10143.190828][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.190828][ T73] [10143.192389][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10143.192389][ T73] neigh_parms_alloc+0x1e5/0x510 [10143.192389][ T73] ipv6_add_dev+0x2fe/0x11c0 [10143.192389][ T73] ipv6_find_idev+0x102/0x170 [10143.192389][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10143.192389][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.192389][ T73] netlink_rcv_skb+0x130/0x360 [10143.192389][ T73] netlink_unicast+0x449/0x710 [10143.192389][ T73] netlink_sendmsg+0x723/0xbe0 [10143.192389][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.192389][ T73] ___sys_sendmsg+0xee/0x170 [10143.192389][ T73] __sys_sendmsg+0xcd/0x170 [10143.192389][ T73] do_syscall_64+0xc6/0x1e0 [10143.192389][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.192389][ T73] [10143.194118][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10143.194363][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10143.194363][ T73] dst_init+0x84/0x4a0 [10143.194363][ T73] dst_alloc+0x97/0x150 [10143.194363][ T73] ip6_dst_alloc+0x23/0x90 [10143.194363][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10143.194363][ T73] ip6_pol_route+0x56f/0x840 [10143.194363][ T73] fib6_rule_lookup+0x456/0x630 [10143.194363][ T73] ip6_route_input+0x59c/0xa50 [10143.194363][ T73] ipv6_rcv+0x397/0x810 [10143.194363][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10143.194363][ T73] process_backlog+0x101/0x620 [10143.194363][ T73] __napi_poll.constprop.0+0xa2/0x460 [10143.194363][ T73] net_rx_action+0x495/0xbe0 [10143.194363][ T73] __do_softirq+0x1b5/0x7f6 [10143.194363][ T73] [10143.196025][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10143.196025][ T73] netdev_get_by_index+0x5e/0x80 [10143.196025][ T73] fib6_nh_init+0x3d8/0x1580 [10143.196025][ T73] ip6_route_info_create+0xf18/0x17d0 [10143.196025][ T73] ip6_route_add+0x1c/0x140 [10143.196025][ T73] addrconf_prefix_route+0x2a6/0x430 [10143.196025][ T73] inet6_addr_add+0x4f8/0xa40 [10143.196025][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10143.196025][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.196025][ T73] netlink_rcv_skb+0x130/0x360 [10143.196025][ T73] netlink_unicast+0x449/0x710 [10143.196025][ T73] netlink_sendmsg+0x723/0xbe0 [10143.196025][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.196025][ T73] ___sys_sendmsg+0xee/0x170 [10143.196025][ T73] __sys_sendmsg+0xcd/0x170 [10143.196025][ T73] do_syscall_64+0xc6/0x1e0 [10143.196025][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.196025][ T73] [10143.198055][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10143.198055][ T73] netdev_get_by_index+0x5e/0x80 [10143.198055][ T73] fib6_nh_init+0x3d8/0x1580 [10143.198055][ T73] ip6_route_info_create+0xf18/0x17d0 [10143.198055][ T73] addrconf_f6i_alloc+0x315/0x560 [10143.198055][ T73] ipv6_add_addr+0x411/0x2000 [10143.198055][ T73] inet6_addr_add+0x30e/0xa40 [10143.198055][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10143.198055][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.198055][ T73] netlink_rcv_skb+0x130/0x360 [10143.198055][ T73] netlink_unicast+0x449/0x710 [10143.198055][ T73] netlink_sendmsg+0x723/0xbe0 [10143.198055][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.198055][ T73] ___sys_sendmsg+0xee/0x170 [10143.198055][ T73] __sys_sendmsg+0xcd/0x170 [10143.198055][ T73] do_syscall_64+0xc6/0x1e0 [10143.198055][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.198055][ T73] [10143.200080][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10143.200080][ T73] netdev_get_by_index+0x5e/0x80 [10143.200080][ T73] fib6_nh_init+0x3d8/0x1580 [10143.200080][ T73] ip6_route_info_create+0xf18/0x17d0 [10143.200080][ T73] ip6_route_add+0x1c/0x140 [10143.200080][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10143.200080][ T73] addrconf_add_dev+0xe2/0x170 [10143.200080][ T73] inet6_addr_add+0x12f/0xa40 [10143.200080][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10143.200080][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.200080][ T73] netlink_rcv_skb+0x130/0x360 [10143.200080][ T73] netlink_unicast+0x449/0x710 [10143.200080][ T73] netlink_sendmsg+0x723/0xbe0 [10143.200080][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.200080][ T73] ___sys_sendmsg+0xee/0x170 [10143.200080][ T73] __sys_sendmsg+0xcd/0x170 [10143.200080][ T73] do_syscall_64+0xc6/0x1e0 [10143.200080][ T73] [10143.202074][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10143.202074][ T73] ipv6_add_dev+0x3ba/0x11c0 [10143.202074][ T73] ipv6_find_idev+0x102/0x170 [10143.202074][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10143.202074][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.202074][ T73] netlink_rcv_skb+0x130/0x360 [10143.202074][ T73] netlink_unicast+0x449/0x710 [10143.202074][ T73] netlink_sendmsg+0x723/0xbe0 [10143.202074][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.202074][ T73] ___sys_sendmsg+0xee/0x170 [10143.202074][ T73] __sys_sendmsg+0xcd/0x170 [10143.202074][ T73] do_syscall_64+0xc6/0x1e0 [10143.202074][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.202074][ T73] [10143.204024][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10143.204024][ T73] neigh_parms_alloc+0x1e5/0x510 [10143.204024][ T73] ipv6_add_dev+0x2fe/0x11c0 [10143.204024][ T73] ipv6_find_idev+0x102/0x170 [10143.204024][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10143.204024][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10143.204024][ T73] netlink_rcv_skb+0x130/0x360 [10143.204024][ T73] netlink_unicast+0x449/0x710 [10143.204024][ T73] netlink_sendmsg+0x723/0xbe0 [10143.204024][ T73] ____sys_sendmsg+0x7b2/0xa10 [10143.204024][ T73] ___sys_sendmsg+0xee/0x170 [10143.204024][ T73] __sys_sendmsg+0xcd/0x170 [10143.204024][ T73] do_syscall_64+0xc6/0x1e0 [10143.204024][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10143.204024][ T73] [10147.005702][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10147.006132][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10147.006132][ T1076] netdev_get_by_index+0x5e/0x80 [10147.006132][ T1076] fib6_nh_init+0x3d8/0x1580 [10147.006132][ T1076] ip6_route_info_create+0xf18/0x17d0 [10147.006132][ T1076] addrconf_f6i_alloc+0x315/0x560 [10147.006132][ T1076] ipv6_add_addr+0x411/0x2000 [10147.006132][ T1076] inet6_addr_add+0x30e/0xa40 [10147.006132][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10147.006132][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10147.006132][ T1076] netlink_rcv_skb+0x130/0x360 [10147.006132][ T1076] netlink_unicast+0x449/0x710 [10147.006132][ T1076] netlink_sendmsg+0x723/0xbe0 [10147.006132][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10147.006132][ T1076] ___sys_sendmsg+0xee/0x170 [10147.006132][ T1076] __sys_sendmsg+0xcd/0x170 [10147.006132][ T1076] do_syscall_64+0xc6/0x1e0 [10147.006132][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10147.006132][ T1076] [10147.008409][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10147.008409][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10147.008409][ T1076] ipv6_find_idev+0x102/0x170 [10147.008409][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10147.008409][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10147.008409][ T1076] netlink_rcv_skb+0x130/0x360 [10147.008409][ T1076] netlink_unicast+0x449/0x710 [10147.008409][ T1076] netlink_sendmsg+0x723/0xbe0 [10147.008409][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10147.008409][ T1076] ___sys_sendmsg+0xee/0x170 [10147.008409][ T1076] __sys_sendmsg+0xcd/0x170 [10147.008409][ T1076] do_syscall_64+0xc6/0x1e0 [10147.008409][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10147.008409][ T1076] [10147.010144][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10147.010144][ T1076] neigh_parms_alloc+0x1e5/0x510 [10147.010144][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10147.010144][ T1076] ipv6_find_idev+0x102/0x170 [10147.010144][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10147.010144][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10147.010144][ T1076] netlink_rcv_skb+0x130/0x360 [10147.010144][ T1076] netlink_unicast+0x449/0x710 [10147.010144][ T1076] netlink_sendmsg+0x723/0xbe0 [10147.010144][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10147.010144][ T1076] ___sys_sendmsg+0xee/0x170 [10147.010144][ T1076] __sys_sendmsg+0xcd/0x170 [10147.010144][ T1076] do_syscall_64+0xc6/0x1e0 [10147.010144][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10147.010144][ T1076] [10153.445637][ T73] unregister_netdevice: waiting for veth2 to become free. Usage count = 8 [10153.446071][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 2/7 users at [10153.446071][ T73] dst_init+0x84/0x4a0 [10153.446071][ T73] dst_alloc+0x97/0x150 [10153.446071][ T73] ip6_dst_alloc+0x23/0x90 [10153.446071][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10153.446071][ T73] ip6_pol_route+0x56f/0x840 [10153.446071][ T73] fib6_rule_lookup+0x456/0x630 [10153.446071][ T73] ip6_route_input+0x59c/0xa50 [10153.446071][ T73] ipv6_rcv+0x397/0x810 [10153.446071][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10153.446071][ T73] process_backlog+0x101/0x620 [10153.446071][ T73] __napi_poll.constprop.0+0xa2/0x460 [10153.446071][ T73] net_rx_action+0x495/0xbe0 [10153.446071][ T73] __do_softirq+0x1b5/0x7f6 [10153.446071][ T73] [10153.447760][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10153.447760][ T73] netdev_get_by_index+0x5e/0x80 [10153.447760][ T73] fib6_nh_init+0x3d8/0x1580 [10153.447760][ T73] ip6_route_info_create+0xf18/0x17d0 [10153.447760][ T73] ip6_route_add+0x1c/0x140 [10153.447760][ T73] addrconf_prefix_route+0x2a6/0x430 [10153.447760][ T73] inet6_addr_add+0x4f8/0xa40 [10153.447760][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10153.447760][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.447760][ T73] netlink_rcv_skb+0x130/0x360 [10153.447760][ T73] netlink_unicast+0x449/0x710 [10153.447760][ T73] netlink_sendmsg+0x723/0xbe0 [10153.447760][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.447760][ T73] ___sys_sendmsg+0xee/0x170 [10153.447760][ T73] __sys_sendmsg+0xcd/0x170 [10153.447760][ T73] do_syscall_64+0xc6/0x1e0 [10153.447760][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.447760][ T73] [10153.449785][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10153.449785][ T73] netdev_get_by_index+0x5e/0x80 [10153.449785][ T73] fib6_nh_init+0x3d8/0x1580 [10153.449785][ T73] ip6_route_info_create+0xf18/0x17d0 [10153.449785][ T73] addrconf_f6i_alloc+0x315/0x560 [10153.449785][ T73] ipv6_add_addr+0x411/0x2000 [10153.449785][ T73] inet6_addr_add+0x30e/0xa40 [10153.449785][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10153.449785][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.449785][ T73] netlink_rcv_skb+0x130/0x360 [10153.449785][ T73] netlink_unicast+0x449/0x710 [10153.449785][ T73] netlink_sendmsg+0x723/0xbe0 [10153.449785][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.449785][ T73] ___sys_sendmsg+0xee/0x170 [10153.449785][ T73] __sys_sendmsg+0xcd/0x170 [10153.449785][ T73] do_syscall_64+0xc6/0x1e0 [10153.449785][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.449785][ T73] [10153.451812][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10153.451812][ T73] netdev_get_by_index+0x5e/0x80 [10153.451812][ T73] fib6_nh_init+0x3d8/0x1580 [10153.451812][ T73] ip6_route_info_create+0xf18/0x17d0 [10153.451812][ T73] ip6_route_add+0x1c/0x140 [10153.451812][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10153.451812][ T73] addrconf_add_dev+0xe2/0x170 [10153.451812][ T73] inet6_addr_add+0x12f/0xa40 [10153.451812][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10153.451812][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.451812][ T73] netlink_rcv_skb+0x130/0x360 [10153.451812][ T73] netlink_unicast+0x449/0x710 [10153.451812][ T73] netlink_sendmsg+0x723/0xbe0 [10153.451812][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.451812][ T73] ___sys_sendmsg+0xee/0x170 [10153.451812][ T73] __sys_sendmsg+0xcd/0x170 [10153.451812][ T73] do_syscall_64+0xc6/0x1e0 [10153.451812][ T73] [10153.453793][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10153.453793][ T73] ipv6_add_dev+0x3ba/0x11c0 [10153.453793][ T73] ipv6_find_idev+0x102/0x170 [10153.453793][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10153.453793][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.453793][ T73] netlink_rcv_skb+0x130/0x360 [10153.453793][ T73] netlink_unicast+0x449/0x710 [10153.453793][ T73] netlink_sendmsg+0x723/0xbe0 [10153.453793][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.453793][ T73] ___sys_sendmsg+0xee/0x170 [10153.453793][ T73] __sys_sendmsg+0xcd/0x170 [10153.453793][ T73] do_syscall_64+0xc6/0x1e0 [10153.453793][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.453793][ T73] [10153.455351][ T73] ref_tracker: veth2@ffff88800bb4c5e0 has 1/7 users at [10153.455351][ T73] neigh_parms_alloc+0x1e5/0x510 [10153.455351][ T73] ipv6_add_dev+0x2fe/0x11c0 [10153.455351][ T73] ipv6_find_idev+0x102/0x170 [10153.455351][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10153.455351][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.455351][ T73] netlink_rcv_skb+0x130/0x360 [10153.455351][ T73] netlink_unicast+0x449/0x710 [10153.455351][ T73] netlink_sendmsg+0x723/0xbe0 [10153.455351][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.455351][ T73] ___sys_sendmsg+0xee/0x170 [10153.455351][ T73] __sys_sendmsg+0xcd/0x170 [10153.455351][ T73] do_syscall_64+0xc6/0x1e0 [10153.455351][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.455351][ T73] [10153.457070][ T73] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [10153.457317][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10153.457317][ T73] dst_init+0x84/0x4a0 [10153.457317][ T73] dst_alloc+0x97/0x150 [10153.457317][ T73] ip6_dst_alloc+0x23/0x90 [10153.457317][ T73] ip6_rt_pcpu_alloc+0x1e6/0x520 [10153.457317][ T73] ip6_pol_route+0x56f/0x840 [10153.457317][ T73] fib6_rule_lookup+0x456/0x630 [10153.457317][ T73] ip6_route_input+0x59c/0xa50 [10153.457317][ T73] ipv6_rcv+0x397/0x810 [10153.457317][ T73] __netif_receive_skb_one_core+0x118/0x1b0 [10153.457317][ T73] process_backlog+0x101/0x620 [10153.457317][ T73] __napi_poll.constprop.0+0xa2/0x460 [10153.457317][ T73] net_rx_action+0x495/0xbe0 [10153.457317][ T73] __do_softirq+0x1b5/0x7f6 [10153.457317][ T73] [10153.458963][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10153.458963][ T73] netdev_get_by_index+0x5e/0x80 [10153.458963][ T73] fib6_nh_init+0x3d8/0x1580 [10153.458963][ T73] ip6_route_info_create+0xf18/0x17d0 [10153.458963][ T73] ip6_route_add+0x1c/0x140 [10153.458963][ T73] addrconf_prefix_route+0x2a6/0x430 [10153.458963][ T73] inet6_addr_add+0x4f8/0xa40 [10153.458963][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10153.458963][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.458963][ T73] netlink_rcv_skb+0x130/0x360 [10153.458963][ T73] netlink_unicast+0x449/0x710 [10153.458963][ T73] netlink_sendmsg+0x723/0xbe0 [10153.458963][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.458963][ T73] ___sys_sendmsg+0xee/0x170 [10153.458963][ T73] __sys_sendmsg+0xcd/0x170 [10153.458963][ T73] do_syscall_64+0xc6/0x1e0 [10153.458963][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.458963][ T73] [10153.460979][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10153.460979][ T73] netdev_get_by_index+0x5e/0x80 [10153.460979][ T73] fib6_nh_init+0x3d8/0x1580 [10153.460979][ T73] ip6_route_info_create+0xf18/0x17d0 [10153.460979][ T73] addrconf_f6i_alloc+0x315/0x560 [10153.460979][ T73] ipv6_add_addr+0x411/0x2000 [10153.460979][ T73] inet6_addr_add+0x30e/0xa40 [10153.460979][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10153.460979][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.460979][ T73] netlink_rcv_skb+0x130/0x360 [10153.460979][ T73] netlink_unicast+0x449/0x710 [10153.460979][ T73] netlink_sendmsg+0x723/0xbe0 [10153.460979][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.460979][ T73] ___sys_sendmsg+0xee/0x170 [10153.460979][ T73] __sys_sendmsg+0xcd/0x170 [10153.460979][ T73] do_syscall_64+0xc6/0x1e0 [10153.460979][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.460979][ T73] [10153.462983][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10153.462983][ T73] netdev_get_by_index+0x5e/0x80 [10153.462983][ T73] fib6_nh_init+0x3d8/0x1580 [10153.462983][ T73] ip6_route_info_create+0xf18/0x17d0 [10153.462983][ T73] ip6_route_add+0x1c/0x140 [10153.462983][ T73] addrconf_add_mroute+0x1ac/0x2c0 [10153.462983][ T73] addrconf_add_dev+0xe2/0x170 [10153.462983][ T73] inet6_addr_add+0x12f/0xa40 [10153.462983][ T73] inet6_rtm_newaddr+0x560/0x6b0 [10153.462983][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.462983][ T73] netlink_rcv_skb+0x130/0x360 [10153.462983][ T73] netlink_unicast+0x449/0x710 [10153.462983][ T73] netlink_sendmsg+0x723/0xbe0 [10153.462983][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.462983][ T73] ___sys_sendmsg+0xee/0x170 [10153.462983][ T73] __sys_sendmsg+0xcd/0x170 [10153.462983][ T73] do_syscall_64+0xc6/0x1e0 [10153.462983][ T73] [10153.464957][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10153.464957][ T73] ipv6_add_dev+0x3ba/0x11c0 [10153.464957][ T73] ipv6_find_idev+0x102/0x170 [10153.464957][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10153.464957][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.464957][ T73] netlink_rcv_skb+0x130/0x360 [10153.464957][ T73] netlink_unicast+0x449/0x710 [10153.464957][ T73] netlink_sendmsg+0x723/0xbe0 [10153.464957][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.464957][ T73] ___sys_sendmsg+0xee/0x170 [10153.464957][ T73] __sys_sendmsg+0xcd/0x170 [10153.464957][ T73] do_syscall_64+0xc6/0x1e0 [10153.464957][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.464957][ T73] [10153.466516][ T73] ref_tracker: veth1@ffff888005b2c5e0 has 1/6 users at [10153.466516][ T73] neigh_parms_alloc+0x1e5/0x510 [10153.466516][ T73] ipv6_add_dev+0x2fe/0x11c0 [10153.466516][ T73] ipv6_find_idev+0x102/0x170 [10153.466516][ T73] inet6_rtm_newaddr+0x37c/0x6b0 [10153.466516][ T73] rtnetlink_rcv_msg+0x2fb/0xbf0 [10153.466516][ T73] netlink_rcv_skb+0x130/0x360 [10153.466516][ T73] netlink_unicast+0x449/0x710 [10153.466516][ T73] netlink_sendmsg+0x723/0xbe0 [10153.466516][ T73] ____sys_sendmsg+0x7b2/0xa10 [10153.466516][ T73] ___sys_sendmsg+0xee/0x170 [10153.466516][ T73] __sys_sendmsg+0xcd/0x170 [10153.466516][ T73] do_syscall_64+0xc6/0x1e0 [10153.466516][ T73] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10153.466516][ T73] [10157.253712][ T1076] unregister_netdevice: waiting for ip6gretap00 to become free. Usage count = 4 [10157.254196][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10157.254196][ T1076] netdev_get_by_index+0x5e/0x80 [10157.254196][ T1076] fib6_nh_init+0x3d8/0x1580 [10157.254196][ T1076] ip6_route_info_create+0xf18/0x17d0 [10157.254196][ T1076] addrconf_f6i_alloc+0x315/0x560 [10157.254196][ T1076] ipv6_add_addr+0x411/0x2000 [10157.254196][ T1076] inet6_addr_add+0x30e/0xa40 [10157.254196][ T1076] inet6_rtm_newaddr+0x560/0x6b0 [10157.254196][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10157.254196][ T1076] netlink_rcv_skb+0x130/0x360 [10157.254196][ T1076] netlink_unicast+0x449/0x710 [10157.254196][ T1076] netlink_sendmsg+0x723/0xbe0 [10157.254196][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10157.254196][ T1076] ___sys_sendmsg+0xee/0x170 [10157.254196][ T1076] __sys_sendmsg+0xcd/0x170 [10157.254196][ T1076] do_syscall_64+0xc6/0x1e0 [10157.254196][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10157.254196][ T1076] [10157.256475][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10157.256475][ T1076] ipv6_add_dev+0x3ba/0x11c0 [10157.256475][ T1076] ipv6_find_idev+0x102/0x170 [10157.256475][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10157.256475][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10157.256475][ T1076] netlink_rcv_skb+0x130/0x360 [10157.256475][ T1076] netlink_unicast+0x449/0x710 [10157.256475][ T1076] netlink_sendmsg+0x723/0xbe0 [10157.256475][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10157.256475][ T1076] ___sys_sendmsg+0xee/0x170 [10157.256475][ T1076] __sys_sendmsg+0xcd/0x170 [10157.256475][ T1076] do_syscall_64+0xc6/0x1e0 [10157.256475][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10157.256475][ T1076] [10157.258206][ T1076] ref_tracker: ip6gretap00@ffff8880079695e0 has 1/3 users at [10157.258206][ T1076] neigh_parms_alloc+0x1e5/0x510 [10157.258206][ T1076] ipv6_add_dev+0x2fe/0x11c0 [10157.258206][ T1076] ipv6_find_idev+0x102/0x170 [10157.258206][ T1076] inet6_rtm_newaddr+0x37c/0x6b0 [10157.258206][ T1076] rtnetlink_rcv_msg+0x2fb/0xbf0 [10157.258206][ T1076] netlink_rcv_skb+0x130/0x360 [10157.258206][ T1076] netlink_unicast+0x449/0x710 [10157.258206][ T1076] netlink_sendmsg+0x723/0xbe0 [10157.258206][ T1076] ____sys_sendmsg+0x7b2/0xa10 [10157.258206][ T1076] ___sys_sendmsg+0xee/0x170 [10157.258206][ T1076] __sys_sendmsg+0xcd/0x170 [10157.258206][ T1076] do_syscall_64+0xc6/0x1e0 [10157.258206][ T1076] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [10157.258206][ T1076] HARD STOP (2915.757053) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr